
| P i z j Star (sun) | ||||||
| zV Objects orbiting the sun | f Planetary | n^f Terrestrial planet | ||||
| ^f Jupiter-like planet | ||||||
| V^f Planet Uranus | ||||||
| f Dwarf planet | ||||||
| f What is the asteroid belt i PXj (Ceres) | ||||||
| ^V Plutonian objects | ||||||
| znV Small solar system bodies | ^VO Plutonian objects other than znOV Trans-Neptunian objects | |||||
| f Asteroids | ||||||
| a Comet | ||||||
| fo Interplanetary dust | ||||||
| zO Non-sun VV Celestial objects orbiting the | q i`j Satellite (undefined) | |||||
| Portal Project Template Portal Project Template | ||||||
f ijAsmall solar system bodiesi znV jAgUigUajB Asteroid (asteroid), small solar system bodies (small solar system bodies), the generic name but not the image diffusion component stars (what is the diffuse component is called a comet). EBAEn[VFAij ]PAMV iaster Pjς ieidosFpA`jAXeCh uasteroid"FPvB By William Herschel, (then) it looks like a star and a telescope, the Greek (aster star) ς (eidos: shape, form) from the asteroid "asteroid": something like a star "was named. znfVuminor planetFfvAuplanetoidFfvB The bodies of smaller planets in the solar system "minor planet: a small planet", "planetoid: like the planet" and also called. minor planetAasteroidB Currently, among the minor planet, a key ingredient to a rock called Asteroid.
O]A nt\B Many of them have orbits the orbit between Mars and Jupiter, there are things that could pass near the Earth. 21If (1) PX iCeresFOmftf (minor planet number)BljnB Was the largest asteroid in the early 21st century (1) Ceres (Ceres: number is the number of asteroids that orbit the final on the asteroid (minor planet number). Like) smaller than Earth's moon.
Contents |
fAOOAz2 - 4VPWB Most asteroids are found between the orbits of Mars and Jupiter's orbit, about the distance from the sun - and they come in range of 4 astronomical units. f (asteroid belt) B The asteroid belt in this area (asteroid belt) is called. znOGbW[XEJCp[xgCxg (main belt) B At present, the main belt to distinguish KAIPABERUTO and Edgeworth in the outer solar system (main belt), also called. fAQ^B Jupiter is the perturbation of the asteroid, to exercise in a group of several. eQ]B Each group is classified according to their orbital period. QgQ i12NjfQAzOp`_AVnOW_umB Trojan group to attract attention, especially in a group (about 1912 period) and the group known as the asteroid, which is a triangle with verticesbetween the sun and Jupiter, the two bodies in the system that is known to be located in the Lagrangian points. gQAQf (588) ALX (Achilles) B The name of the Trojan group, the asteroid was first detected in this group (588) Achilles (Achilles) CHINAMU.
1990N~ (50000) NIA[ (Quaoar) (90377) Zhi (Sedna) AGbW[XEJCp[xgOtrans-Neptunian objectsi znOV ATNOjXB Since the 1990s (50,000) KUWAOA (Quaoar) or (90377) Sedona (Sedna) and, outside KAIPABERUTO Edgeworth and more trans-Neptunian objects (trans-Neptunian objects, TNO) and continues to be discovered and was. Cxgf (asteroid) NlAlf (Minor planet) o^B These are main belt asteroids (asteroid) and is thought to have different origins, as well as the asteroid (Minor planet) have been registered.
1781NVA eBeBEXE{[f@AmfTsB 1781 was discovered Uranus in the year, the law of Titius Bourdais was attempting to explore the unknown planet between Mars and Jupiter. 1801N (1) PXA1802N (2) pX A 1804N (3) Wm[ A 1807N (4) xX^AuVAfAfB 1801 (a) the discovery of Ceres, next 1802 years (2) Pallas, in 1804 (3) Juno, 1807 year (4) and Vesta, discovered there were bodies in the same position It was, to be called a planet or is it too small, and eventually the planet to be sensitive. f (asteroid) A 1853NloB Asteroid (asteroid) words, 1853 was conceived in the early years.
2006N 8vnJVwA (IAU) f`AffPX2003 UB 313 i GX jdwarf planetXAf\Idwarf planetX\lB 2006 International Astronomical Union held in Prague on Monday (IAU) as a result of the adoption of the definition of a planet in the meeting, and Ceres was an asteroid, and Pluto was a planet before 2003 UB 313 (Ellis) is changed to a dwarf planet, in the future a dozen more of the asteroid to dwarf planet that has the potential to be changed. fTNOasmall solar system bodies (SSBO) JeS[B Asteroids and TNO with comets and small solar system bodies (SSBO) had to be comprehensive in that category.
A {wpc2007N 49OijAdwarf planetATNOAsmall solar system bodiesu f vu znOV vu znV vgpB As a result, a subcommittee of the Science Council of Japan, April 9, 2007 report on foreign (Report I) in, dwarf planet, TNO, small solar system bodies and a translation of "dwarf planet" and "trans-Neptunian objects "" small solar system bodies "of proposals to encourage the use of. AfAIgpjif#{wpcOQjB The dwarf planet is for the time being, and education policy is not recommended to use a positive (for details see the report # planet outside the Science Council of Japan).
2008N 12AOmftV202,885i f 5B fQjB 2008 of December, the bodies numbered asteroid to determine the trajectory is up to 202,885 units (including five dwarf planet. See the list of asteroids). o^fA153,021A180,692Av436,598BB The asteroid, which is registered only other temporary sign, which was observing the crash of 153,021 units, an observation that the crash was one in 80,692 pieces, and the total reached 436,598. o^A14,920[1] B The registered number of those, 14,920 have been named one of [1]. a1kmxAf\B About 1km in diameter, or less about asteroids is estimated that there are hundreds of thousands are still undiscovered.
OmffQB How to increase the number of asteroids that orbit the additional confirmation of the number of asteroids.
A 2008N 9nTf5,546A P^EXznOV1,347if4jiw VN x2009NjB In 2008, nine near-Earth asteroid to March, including the 5546 temporary sign only one trans-Neptunian objects, including a family of Centaur 1347 is also up (dwarf planet, including four pieces) have been found (the astronomical Almanac, 2009 edition).
CxgOaeBeBEXE{[f@vAufjffjACxgfvfBAxB In order to meet most of the laws of Bourdais Titius long orbital radius of the main belt, some have argued that the theory of planetary destruction to the asteroid belt and made the destruction of the planet for some reason this position was in the past , the total mass of the planet's mass and the main asteroid belt from the meet and fall short, you do not have support. fNAalB Not have the same origin of all asteroids, thought to include what was once a comet. qtH{X_CXAfVcqlVB Phobos and DAIMOSU and moons of Mars on the other hand, once there are bodies that are believed to be the satellitecthe bodies were those of other asteroids.
fOAVBA^B The name of the asteroid is now only one of the bodies have been given the right to propose naming the discoverer.
AVVvV2uAfZ^[ (Minor Planet Center, MPC) A^B First, the celestial bodies that two new positions and observation over night, the asteroid center observations that (Minor Planet Center, MPC) and is reported to be given a code found temporary order. ]p[2] B Provisional alphanumeric code will follow the format from the following [2].
#fQB More tentative sign # refer to the asteroid.
tVmVOsB Celestial sign attached tentative identification of the work is done as an object with known orbits. IIOmVVmFA f^B When new bodies to verify that the final confirmation of the orbit, to be named on a given asteroid number.
iOmvZsjVfO IAU VRB The discovery (if the death has already been confirmed for the calculation of the orbit) and the proposed new name of the asteroid will be reviewed by the IAU's nomenclature committee of the small body. OeDEIAB The name is a matter of tacit understanding that the world is favorable to Latin, and now many are not. Au\p16i12jvAuAybgO[1] AfO[2]tvAuERAlOv100No]vAu~[3] v[3] B In addition, "a letter can be pronounced in English and 16 characters (most recently to 12 characters) that is less" and "obscene, pet names [1], names confusingly similar asteroids have already [2] not on "," name of the person and the incident is related to the political-military death beyond 100 to have a permanent evaluation and not more than a year after "," sale of naming rights is forbidden [3] "and other standards There are [3].
AgQgCAQm[4]A P^EX iqjP^EXOA znOVen_bsK[5] B The group is a Trojan warrior who participated in the Trojan war [4] in the family Centaurus (see below) is the name of the group Chiron, the trans-Neptunian objects will have to rule that the naming and the creation myth of the ethnic groups [ 5].
AlwExi(3744) WbNEh (Jack London) jA21Ii(79896) rwC[ (Billhaley) jB Regarding Person's Name, once was named a separate ((3744) Jack London (Jack London), etc.), in the early 21 th century has been done by naming the first and last names combined ((79,896) BIRUHEIRI (Billhaley)). AXflP[Xi m[g:fQjB In addition, a separate case to be coupled with people's names and the proposed naming the asteroid (Note: See asteroid).
{IAxfXAOIXi f#OQjB Basically, the name of the asteroid is named once it has been unable to change, a problem for some, has some exceptional cases that have been modified (No. asteroid # see exceptions). A\OXB And that would be the spelling of the name change during the application.
f{\L@fBAB How to spell the name in Japanese is different asteroid and the media. At@xbg\LA {f\LB Others expressed in letters orabout the asteroid namedN speaking Chinese, such as Japan and China will also be represented in Chinese characters.
fAf[}_b_^B Initially, just as another planet, was given the name of God of mythological Rome for asteroids. f_b_wiolAlnpB Literary characters and other mythological gods and will soon find a number of asteroids began to be used as a real person or place names or. Af_tAjOB However, since it was named after the goddess in the asteroid discovered earlier, was named to the women in the name of the man. (511) _r_ i fCBbhEgbh ( David Tod) David a jB An example is (511) DABIDA (Todd David (David Tod) David a), among others. A 1896NnOfA 1906NgQfAOfji_pYjtiL2 (433) GX A(588) ALXjB The 1896 asteroid approaching Earth's orbit for the first year, 1906 is found in asteroids Trojan group of first year, the asteroid's orbit with a peculiar name that they are men (or gods and heroes) and the found (the above two, respectively (433) Eros, (588) was named Achilles). AfXOoArIRB Then, came out short of the number likely to increase further as the name of the asteroid, was named to forgive is relatively free.
AfOA20If}ORALtoB But often linger in the identification of the orbit of an asteroid has been discovered, and 20ITSUKANAKU addition to the name of the proposed examination and the increasing number of asteroids found at the end of the century, kicking the light of a proper name that led to the idea of leaving. AfZ^[l1TB The asteroid is the center for one month per person identified and seeks to refrain from naming more than two. Aft10NOi10N[jB Meanwhile, with the number 10 is considered to be the asteroid that proposal would not give up its naming rights to the name within a year (Rule 10). AfB For these reasons, the percentage of the asteroid's name was not a lot less than the number found.
OvffO[vAp\IfufamillyvuasteroidsvtAftB A group of asteroids that have similar orbital elements, in English and after a typical asteroid name "familly" or "asteroids" or give a call by name with a suffix to the name of the asteroid. {A ]O[vu` famillyvuvAOuQvAi CgQjuvB In Japanese, the group that orbits Jupiter is from the inside "~ familly" a "tribe", the other "group" and translate, beyond Jupiter is (except for the Trojan group of Neptune) and all "ethnic"SURU often.
O[vV i nf jVOAeOWlA{IOufamillyvB These groups of the same parent body (protoplanet) and have continued around the track near the parent body and the division is thought to be gathered in a range of orbit and Jupiter's gravitational influence, Basically, the former "familly" calls.
ufamillyv{RA21ICxg\ufamillyvB "Familly" The discovery is the first to Hirayama Kiyotsugu of Japan, 10 to 21 the number of main belt early in the century "familly" has been found. OVA2007N2003 EL 61 inEA jufamillyv\B The celestial event horizon, in 2007, 2003 EL 61 (HAUMEA later), including the "familly" reported the possibility exists.
| Tribe | Oa Orbital radius length ( AU ) (AU) | S Eccentricity | OXp Inclination ( ) () | \If Typical asteroid |
|---|---|---|---|---|
| t[ Flora family | 2.15 - 2.35 2.15 - 2.35 | 0.03 - 0.23 0.03 - 0.23 | 1.5 - 8.0 1.5 - 8.0 | (8) t[ (8) Flora |
| xX^ Vesta family | 2.26 - 2.48 2.26 - 2.48 | 0.03 - 0.16 0.03 - 0.16 | 5.0 - 8.3 5.0 - 8.3 | (4) xX^ (4) Vesta |
| }bTA Tribe MASSARIA | 2.37 - 2.45 2.37 - 2.45 | 0.12 - 0.21 0.12 - 0.21 | 0.4 - 2.4 0.4 - 2.4 | (20) }bTA (20) MASSARIA |
| jT Nysa family | 2.41 - 2.5 2.41 - 2.5 | 0.12 - 0.21 0.12 - 0.21 | 1.5 - 4.3 1.5 - 4.3 | (44) jT (44) Nysa |
| }A Maria Tribe | 2.5 - 2.706 2.5 - 2.706 | 0.057 - 0.16 0.057 - 0.16 | 12 - 17 12 - 17 | (170) }A (170) Maria |
| GEm~A Tribe Eunomia | 2.53 - 2.72 2.53 - 2.72 | 0.08 - 0.22 0.08 - 0.22 | 11.1 - 15.8 11.1 - 15.8 | (15) GEm~A (15) Eunomia |
| pX Pallas family | 2.71 - 2.79 2.71 - 2.79 | 0.25 - 0.31 0.25 - 0.31 | 32 - 34 32 - 34 | (2) pX (2) Pallas |
| QtBI Tribe GEFION | 2.74 - 2.82 2.74 - 2.82 | 0.08 - 0.18 0.08 - 0.18 | 7.4 - 10.5 7.4 - 10.5 | (1272) QtBI (1272) GEFION |
| RjX Koronis family | 2.83 - 2.91 2.83 - 2.91 | 0 - 0.11 0 - 0.11 | 0 - 3.5 0 - 3.5 | (158) RjX (158) Koronis |
| GIX Eos family | 2.99 - 3.03 2.99 - 3.03 | 0.01 - 0.13 0.01 - 0.13 | 8 - 12 8 - 12 | (221) GIX (221) Eos |
| qMGA Tribe HIGIEA | 3.06 - 3.24 3.06 - 3.24 | 0.09 - 0.19 0.09 - 0.19 | 3.5 - 6.8 3.5 - 6.8 | (10) qMGA (10) HIGIEA |
| e~X Themis family | 3.08 - 3.24 3.08 - 3.24 | 0.09 - 0.22 0.09 - 0.22 | 0 - 3 0 - 3 | (24) e~X (24) Themis |
| Lx[ Tribe KYUBERE | (65) Lx[ (65) KYUBERE |
CxgOffB Other than the main asteroid belt asteroid called specificity.
| Q And group | Oa Orbital radius length (AU) | ]iNj Orbital period (years) | f Planetary | ]iNj Orbital period (years) | Hi resonance | l Notes |
|---|---|---|---|---|---|---|
| nq Quasi-satellite of the Earth | 1.00 | 1.00 | n Earth | 1.00 | 1:1 | nuB Close to the Earth. |
| gQ Trojan group Mars | 1.52 | 1.88 | Mars | 1.88 | 1:1 | z - L4AL5_B Sun - Mars L4, L5. |
| nKAQ HANGARIA group | 1.85 | 2.52 | Mars | 1.88 | 4:3 | |
| A_ Tribe ARINDA | 2.50 | 3.95 | Jupiter | 11.86 | 1:3 | nTfB Also the near-Earth asteroid. |
| q_Q Hilda group | 3.97 | 7.91 | Jupiter | 11.86 | 2:3 | _ijB Perihelion passage time of the crash and Jupiter (Stay away from Jupiter). |
| `[Q Thule Group | 4.28 | 8.90 | Jupiter | 11.86 | 3:4 | 2B Found only two. |
| gQ Of Jupiter's Trojan | 5.20 | 11.86 | Jupiter | 11.86 | 1:1 | z - L4AL5_B Sun - Jupiter L4, L5. |
| CgQ Neptune Trojan group | 30.11 | 164 | C Neptune | 164 | 1:1 | z - CL4AL5_B Sun - Neptune L4, L5. |
| f Asteroids | |
| nTf Near-Earth asteroid | |
| nq Satellite quarterfinals of the earth | |
| f Asteroid belt | |
| gQ Trojan group of Jupiter | |
| _NX i tsf j Damocles group (retrograde asteroid) | |
| P^EX Centaurus group | |
| znOV Trans-Neptunian objects | |
| A See | fq Asteroid satellites |
| aEfJV Comet asteroid transition objects | |
| znV i a j Small solar system bodies (comets) | |
| Portal Project Template Portal Project Template | |
| znOV Trans-Neptunian objects | |
|---|---|
| GbW[XEJCp[xg Edgeworth KAIPABERUTO iC (Neptune and O j Orbital resonance) | (3:4) |
| (2:3) Tribe Pluto (2:3) | |
| (3:5) | |
| Lrm ( - ) Tribe KYUBIWANO (-) | |
| (1:2) | |
| U~V Scattered disk objects | |
| I[g_ Oort cloud | |
| V Similar objects | P^EX Centaurus group |
| CgQ Trojan group of Neptune | |
| a i JV j Comet (celestial transition) | |
| A See | f i ^V j Dwarf planet (Plutonian objects) |
| znV Small solar system bodies | |
| Portal Project Template Portal Project Template | |
znOVAO[vB The trans-Neptunian objects are divided into several groups.
EQ ( Asteroid groups and families )B There are many other ethnic groups (Asteroid groups and families).
fF A Axh i\jA XyNg3B Asteroids color, albedo (reflective power), by a large spectrum are three types.
L3TuO[v^AO}Ci[^B Equivalent to the above three types and sub-groups, there are other types of them minor.
]_A1990NfOmxApzoB Also point to the visible with a telescope, the 1990's before joining the study of asteroids is determined and remains photometric measurements of the orbit, it was not his area of imagination. APH`A nbuF]\]@[_[A`ApXB However, estimates of the shape of stellar food, measured by radar and telescope observations of high-performance, such as the Hubble telescope, such as size and shape, but their appearance has been revealed.
A 1989NKIA 1991N (951) KXv (Gaspra)A 1993N (243) C_ (Ida) fBeAlfNfB And by 1989 Galileo was launched in 1991 (951) GASUPURA (Gaspra), 1993 years (243) Ida (Ida) was shooting the video, the man saw the vivid images of the asteroid . A 1996NNEARV[[J[1997N (253) }eBh (Mathilde)A 2000N (433) GX (Eros) fBeA T@GXOB The 1996 was launched to NEAR by Shoemaker in 1997 (253) Mathilde (Mathilde), 2000 years (433) Eros (Eros) is shooting a video of the craft is in orbit after the orbit of Eros made a soft landing. AaT@ffBeAq@B Since then, are some pictures taken of the asteroid is not due to the spacecraft approached the comet, which is currently investigated by the method stated above.
AKIC_qA _NeB (243 Ida I Dactyl) B The Galileo discovered the satellites first Ida, DAKUTIRU (243 Ida I Dactyl) named. An150i 2008NjfqmFi fqQjB Since then, mainly observed in the ground more than 150 (2008 today) have confirmed the existence of asteroid satellites (see satellite asteroid).
2003NHwT@A 2004N 5nXCOoCsA 2005N 9 (25143) CgJ (Itokawa) BAsB 2003 experimental spacecraft engineering from the bush launched in 2004, five swing-by Earth on Monday, September 2005 (25143) Itokawa (Itokawa) reached were observed from close range. 112sATvisjB In November, two of the takeoff and landing times, tried Sampling (The outcome is unknown). 2010N6nA\ATvEfTv^[B 2010 Hayabusa is scheduled to return to Earth and six months, will return the first samples from the asteroid, if the successful removal of a sample.
~WX The goal was to change or cancel
| |||||||||||||||||||||||
