Asteroids
22 343 TRACKEDRocky leftovers from planet formation — the bright and the big, plus every near-Earth object worth watching.
RANKED LISTS
PRIMER — 60 SECONDS
What H means
Absolute magnitude: how bright the body would look one astronomical unit from both the Sun and the observer, with the Sun directly behind us. Nothing is ever in that position, which is the point — it is a property of the body rather than of where it happens to be, so it is the number in the magnitude column here. It stands in for size, since the diameter is measured for only 12,025 of the 22,220 asteroids in this catalogue.
Why the belt never became a planet
Jupiter's gravity stirs the region hard enough that collisions shatter bodies rather than accumulate them. All of it together would not make one Moon.
[
THE FAMOUS ONES
] 12 ENTRIESNAME
CLASS
MASS
DISTANCE
MAG
CONSTELLATION
1 Ceres★
Main-belt asteroid
1.57×10⁻⁴ M⊕
2.766 AU · Sun
3.34 H
—
4 Vesta★
Main-belt asteroid
2.59×10²⁰ kg
2.361 AU · Sun
3.25 H
—
2 Pallas★
Main-belt asteroid
2.04×10²⁰ kg
2.77 AU · Sun
4.12 H
—
16 Psyche★
Main-belt asteroid
2.4×10¹⁹ kg
2.926 AU · Sun
6.20 H
—
433 Eros★
Amor near-Earth asteroid
6.69×10¹⁵ kg
1.458 AU · Sun
10.40 H
—
3200 Phaethon★
Apollo near-Earth asteroid
—
1.271 AU · Sun
14.38 H
—
162173 Ryugu★
Apollo near-Earth asteroid
4.49×10¹¹ kg
1.191 AU · Sun
19.55 H
—
101955 Bennu★
Apollo near-Earth asteroid
7.33×10¹⁰ kg
1.126 AU · Sun
20.21 H
—
99942 Apophis★
Aten near-Earth asteroid
—
0.9224 AU · Sun
19.09 H
—
25143 Itokawa★
Apollo near-Earth asteroid
3.15×10¹⁰ kg
1.324 AU · Sun
19.26 H
—
134340 Pluto★
Trans-Neptunian object
—
39.59 AU · Sun
−0.55 H
—
136199 Eris★
Trans-Neptunian object
—
67.93 AU · Sun
−1.26 H
—
ALL CLASSESMAIN-BELT ASTEROID · 9712TRANS-NEPTUNIAN OBJECT · 7173JUPITER TROJAN · 2724OUTER MAIN-BELT ASTEROID · 1139APOLLO NEAR-EARTH ASTEROID · 544AMOR NEAR-EARTH ASTEROID · 496CENTAUR · 403MARS-CROSSING ASTEROID · 75ATEN NEAR-EARTH ASTEROID · 38INNER MAIN-BELT ASTEROID · 26ATIRA NEAR-EARTH ASTEROID · 8ASTEROID · 4
10228
Main-belt asteroid
—
3.055 AU · Sun
13.15 H
—
1022 Olympiada
Main-belt asteroid
—
2.81 AU · Sun
10.40 H
—
10233 Le Creusot
Main-belt asteroid
—
2.724 AU · Sun
13.44 H
—
10234 Sixtygarden
Main-belt asteroid
—
2.988 AU · Sun
12.81 H
—
10235
Main-belt asteroid
—
3.057 AU · Sun
12.75 H
—
10239 Hermann
Main-belt asteroid
—
3.173 AU · Sun
12.51 H
—
1023 Thomana
Main-belt asteroid
—
3.172 AU · Sun
10.15 H
—
10245 Inselsberg
Main-belt asteroid
—
2.78 AU · Sun
13.36 H
—
10247 Amphiaraos
Jupiter trojan
—
5.296 AU · Sun
11.21 H
—
102492
Outer main-belt asteroid
—
3.225 AU · Sun
13.21 H
—
1024 Hale
Main-belt asteroid
—
2.87 AU · Sun
10.91 H
—
10257 Garecynthia
Outer main-belt asteroid
—
3.46 AU · Sun
13.12 H
—
10258 Sarneczky
Main-belt asteroid
—
3.163 AU · Sun
12.12 H
—
10259 Osipovyurij
Main-belt asteroid
—
3.1 AU · Sun
12.52 H
—
1025 Riema
Inner main-belt asteroid
—
1.979 AU · Sun
12.48 H
—
10260 Stellaseitz
Main-belt asteroid
—
2.58 AU · Sun
13.19 H
—
10262 Samoilov
Main-belt asteroid
—
2.618 AU · Sun
12.28 H
—
10263 Vadimsimona
Main-belt asteroid
—
2.663 AU · Sun
13.17 H
—
10264 Marov
Outer main-belt asteroid
—
3.214 AU · Sun
13.31 H
—
10265 Gunnarsson
Outer main-belt asteroid
—
3.224 AU · Sun
12.64 H
—
10269 Tusi
Main-belt asteroid
—
3.138 AU · Sun
12.72 H
—
1026 Ingrid
Main-belt asteroid
—
2.256 AU · Sun
12.74 H
—
1027 Aesculapia
Main-belt asteroid
—
3.157 AU · Sun
10.89 H
—
10284 Damienlemay
Main-belt asteroid
—
2.877 AU · Sun
13.29 H
—
102873
Amor near-Earth asteroid
—
2.132 AU · Sun
17.64 H
—
10289 Geoffperry
Outer main-belt asteroid
—
3.207 AU · Sun
13.40 H
—
1028 Lydina
Outer main-belt asteroid
—
3.41 AU · Sun
9.32 H
—
10291
Main-belt asteroid
—
2.984 AU · Sun
12.83 H
—
10293 Pribina
Main-belt asteroid
—
3.003 AU · Sun
12.25 H
—
10296 Rominadisisto
Outer main-belt asteroid
—
3.955 AU · Sun
13.00 H
—
10299
Main-belt asteroid
—
2.679 AU · Sun
13.48 H
—
1029 La Plata
Main-belt asteroid
—
2.892 AU · Sun
10.99 H
—
102 Miriam
Main-belt asteroid
—
2.664 AU · Sun
9.43 H
—
103027
Outer main-belt asteroid
—
3.407 AU · Sun
13.41 H
—
10304 Iwaki
Main-belt asteroid
—
2.569 AU · Sun
13.48 H
—
103067
Apollo near-Earth asteroid
—
1.843 AU · Sun
16.80 H
—
10306 Pagnol
Main-belt asteroid
—
3.024 AU · Sun
12.88 H
—
1030 Vitja
Main-belt asteroid
—
3.118 AU · Sun
10.46 H
—
10314
Outer main-belt asteroid
—
3.215 AU · Sun
12.19 H
—
10316 Williamturner
Main-belt asteroid
—
3.157 AU · Sun
12.96 H
—
1031 Arctica
Main-belt asteroid
—
3.047 AU · Sun
9.49 H
—
10329
Main-belt asteroid
—
2.58 AU · Sun
13.48 H
—
1032 Pafuri
Main-belt asteroid
—
3.128 AU · Sun
10.30 H
—
10331 Peterbluhm
Outer main-belt asteroid
—
3.989 AU · Sun
11.96 H
—
10332 Defi
Main-belt asteroid
—
2.557 AU · Sun
13.23 H
—
10333 Portnoff
Main-belt asteroid
—
2.893 AU · Sun
13.38 H
—
10336
Main-belt asteroid
—
3.046 AU · Sun
13.42 H
—
10337
Main-belt asteroid
—
3.004 AU · Sun
12.93 H
—
10338
Main-belt asteroid
—
3.112 AU · Sun
13.33 H
—
1033 Simona
Main-belt asteroid
—
3 AU · Sun
11.18 H
—
10340 Jostjahn
Main-belt asteroid
—
2.877 AU · Sun
13.29 H
—
10342
Main-belt asteroid
—
2.998 AU · Sun
13.48 H
—
1034 Mozartia
Main-belt asteroid
—
2.294 AU · Sun
12.12 H
—
103508
Jupiter trojan
—
5.331 AU · Sun
12.91 H
—
10350 Spallanzani
Main-belt asteroid
—
2.64 AU · Sun
13.28 H
—
10351 Seiichisato
Main-belt asteroid
—
2.68 AU · Sun
12.81 H
—
10352 Kawamura
Main-belt asteroid
—
2.579 AU · Sun
13.38 H
—
10353 Momotaro
Main-belt asteroid
—
2.929 AU · Sun
12.78 H
—
10357
Main-belt asteroid
—
2.273 AU · Sun
13.01 H
—
10359
Main-belt asteroid
—
2.422 AU · Sun
13.39 H
—
1035 Amata
Main-belt asteroid
—
3.155 AU · Sun
10.52 H
—
10369 Sinden
Main-belt asteroid
—
2.61 AU · Sun
13.41 H
—
1036 Ganymed
Amor near-Earth asteroid
—
2.664 AU · Sun
9.17 H
—
10370 Hylonome
Centaur
—
24.95 AU · Sun
8.20 H
—
10372 Moran
Main-belt asteroid
—
2.618 AU · Sun
13.41 H
—
10376 Chiarini
Main-belt asteroid
—
2.676 AU · Sun
13.37 H
—
10379 Lake Placid
Outer main-belt asteroid
—
3.51 AU · Sun
12.87 H
—
10384
Main-belt asteroid
—
3.108 AU · Sun
13.09 H
—
10385 Amaterasu
Main-belt asteroid
—
2.685 AU · Sun
12.85 H
—
10386 Romulus
Outer main-belt asteroid
—
3.249 AU · Sun
12.58 H
—
10388 Zhuguangya
Outer main-belt asteroid
—
3.216 AU · Sun
12.26 H
—
1038 Tuckia
Outer main-belt asteroid
—
3.975 AU · Sun
10.64 H
—
10391
Main-belt asteroid
—
2.581 AU · Sun
12.99 H
—
10394
Main-belt asteroid
—
2.674 AU · Sun
13.31 H
—
10396
Main-belt asteroid
—
3.124 AU · Sun
13.34 H
—
103989
Jupiter trojan
—
5.37 AU · Sun
12.10 H
—
1039 Sonneberga
Main-belt asteroid
—
2.681 AU · Sun
11.64 H
—
103 Hera
Main-belt asteroid
—
2.701 AU · Sun
7.74 H
—
10400 Hakkaisan
Main-belt asteroid
—
2.327 AU · Sun
13.43 H
—
10406
Outer main-belt asteroid
—
3.202 AU · Sun
12.91 H
—
10409
Main-belt asteroid
—
3.119 AU · Sun
13.23 H
—
1040 Klumpkea
Main-belt asteroid
—
3.119 AU · Sun
10.40 H
—
10410 Yangguanghua
Main-belt asteroid
—
3.167 AU · Sun
12.60 H
—
10412 Tsukuyomi
Main-belt asteroid
—
2.985 AU · Sun
12.87 H
—
10413 Pansecchi
Main-belt asteroid
—
3.04 AU · Sun
13.16 H
—
10414
Main-belt asteroid
—
3.167 AU · Sun
13.19 H
—
10415 Mali Losinj
Main-belt asteroid
—
2.99 AU · Sun
11.99 H
—
10417
Main-belt asteroid
—
3.132 AU · Sun
13.33 H
—
10418
Main-belt asteroid
—
2.375 AU · Sun
13.15 H
—
10419
Main-belt asteroid
—
2.275 AU · Sun
13.48 H
—
1041 Asta
Main-belt asteroid
—
3.073 AU · Sun
10.30 H
—
10420
Main-belt asteroid
—
3.085 AU · Sun
12.96 H
—
10422
Main-belt asteroid
—
2.855 AU · Sun
12.52 H
—
10426 Charlierouse
Main-belt asteroid
—
2.634 AU · Sun
12.16 H
—
1042 Amazone
Outer main-belt asteroid
—
3.234 AU · Sun
9.95 H
—
1043 Beate
Main-belt asteroid
—
3.092 AU · Sun
9.81 H
—
10441 van Rijckevorsel
Main-belt asteroid
—
2.575 AU · Sun
13.37 H
—
10442 Biezenzo
Main-belt asteroid
—
3.18 AU · Sun
13.18 H
—
10444 de Hevesy
Main-belt asteroid
—
3.185 AU · Sun
13.32 H
—
10448 Schawlow
Main-belt asteroid
—
2.839 AU · Sun
13.32 H
—