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
100004
Apollo near-Earth asteroid
—
2.59 AU · Sun
16.43 H
—
10004 Igormakarov
Main-belt asteroid
—
3.117 AU · Sun
13.05 H
—
10006 Sessai
Main-belt asteroid
—
2.635 AU · Sun
13.21 H
—
10007 Malytheatre
Main-belt asteroid
—
3.141 AU · Sun
12.16 H
—
100085
Apollo near-Earth asteroid
—
2.652 AU · Sun
17.89 H
—
1000 Piazzia
Main-belt asteroid
—
3.171 AU · Sun
10.63 H
—
1001 Gaussia
Outer main-belt asteroid
—
3.212 AU · Sun
9.83 H
—
10020 Bagenal
Main-belt asteroid
—
3.132 AU · Sun
12.56 H
—
10025 Rauer
Main-belt asteroid
—
2.908 AU · Sun
12.84 H
—
1002 Olbersia
Main-belt asteroid
—
2.787 AU · Sun
11.12 H
—
10031 Vladarnolda
Main-belt asteroid
—
2.586 AU · Sun
13.18 H
—
10033 Bodewits
Main-belt asteroid
—
3.021 AU · Sun
13.04 H
—
10037 Raypickard
Main-belt asteroid
—
2.389 AU · Sun
13.11 H
—
10039 Keet Seel
Main-belt asteroid
—
3.14 AU · Sun
13.19 H
—
1003 Lilofee
Main-belt asteroid
—
3.139 AU · Sun
10.77 H
—
10042 Budstewart
Main-belt asteroid
—
2.574 AU · Sun
13.17 H
—
10043 Janegann
Main-belt asteroid
—
3.127 AU · Sun
12.20 H
—
10045 Dorarussell
Main-belt asteroid
—
3.127 AU · Sun
13.00 H
—
100475
Jupiter trojan
—
5.322 AU · Sun
12.77 H
—
10048 Gronbech
Main-belt asteroid
—
3.093 AU · Sun
12.60 H
—
10049 Vorovich
Main-belt asteroid
—
3.113 AU · Sun
13.41 H
—
1004 Belopolskya
Outer main-belt asteroid
—
3.4 AU · Sun
9.77 H
—
10052 Nason
Main-belt asteroid
—
2.903 AU · Sun
13.26 H
—
1005 Arago
Main-belt asteroid
—
3.166 AU · Sun
10.09 H
—
100619
Jupiter trojan
—
5.128 AU · Sun
12.64 H
—
100624
Jupiter trojan
—
5.203 AU · Sun
12.75 H
—
10063 Erinleeryan
Outer main-belt asteroid
—
3.991 AU · Sun
12.83 H
—
10064 Hirosetamotsu
Main-belt asteroid
—
2.73 AU · Sun
12.31 H
—
10065 Greglisk
Main-belt asteroid
—
2.914 AU · Sun
13.11 H
—
10069 Fontenelle
Main-belt asteroid
—
2.998 AU · Sun
12.54 H
—
1006 Lagrangea
Main-belt asteroid
—
3.136 AU · Sun
11.41 H
—
100756
Apollo near-Earth asteroid
—
2.265 AU · Sun
16.34 H
—
10077 Raykoenig
Main-belt asteroid
—
2.56 AU · Sun
13.17 H
—
1007 Pawlowia
Main-belt asteroid
—
2.707 AU · Sun
11.40 H
—
10080 Macevans
Main-belt asteroid
—
3.128 AU · Sun
12.92 H
—
10085 Jekennedy
Main-belt asteroid
—
3.197 AU · Sun
12.57 H
—
1008 La Paz
Main-belt asteroid
—
3.095 AU · Sun
10.87 H
—
100926
Amor near-Earth asteroid
—
1.783 AU · Sun
16.63 H
—
10094 Eijikato
Main-belt asteroid
—
2.579 AU · Sun
12.29 H
—
10095 Carlloewe
Main-belt asteroid
—
3.002 AU · Sun
12.63 H
—
10096 Colleenohare
Main-belt asteroid
—
3.028 AU · Sun
12.46 H
—
10098 Jaymiematthews
Main-belt asteroid
—
3.024 AU · Sun
12.97 H
—
100 Hekate
Main-belt asteroid
—
3.091 AU · Sun
7.73 H
—
10108 Tomlinson
Main-belt asteroid
—
2.402 AU · Sun
13.45 H
—
10109 Sidhu
Main-belt asteroid
—
2.663 AU · Sun
12.62 H
—
1010 Marlene
Main-belt asteroid
—
2.928 AU · Sun
10.69 H
—
10111 Fresnel
Main-belt asteroid
—
2.554 AU · Sun
12.33 H
—
10112 Skookumjim
Main-belt asteroid
—
3.046 AU · Sun
12.63 H
—
10113 Alantitle
Main-belt asteroid
—
2.603 AU · Sun
12.72 H
—
10114 Greifswald
Main-belt asteroid
—
2.882 AU · Sun
12.96 H
—
10115
Apollo near-Earth asteroid
—
1.249 AU · Sun
17.14 H
—
10116 Robertfranz
Main-belt asteroid
—
3 AU · Sun
12.90 H
—
10117 Tanikawa
Main-belt asteroid
—
2.973 AU · Sun
13.24 H
—
10118 Jiwu
Main-belt asteroid
—
2.806 AU · Sun
13.05 H
—
10119 Remarque
Main-belt asteroid
—
3.133 AU · Sun
13.18 H
—
1011 Laodamia
Mars-crossing asteroid
—
2.395 AU · Sun
12.68 H
—
10120 Ypres
Main-belt asteroid
—
3.174 AU · Sun
13.21 H
—
1012 Sarema
Main-belt asteroid
—
2.479 AU · Sun
12.58 H
—
1013 Tombecka
Main-belt asteroid
—
2.684 AU · Sun
10.17 H
—
101405
Jupiter trojan
—
5.153 AU · Sun
13.21 H
—
10141 Gotenba
Main-belt asteroid
—
2.612 AU · Sun
12.64 H
—
10142 Sakka
Main-belt asteroid
—
2.749 AU · Sun
12.25 H
—
10143 Kamogawa
Main-belt asteroid
—
2.992 AU · Sun
12.42 H
—
10144 Bernardbigot
Main-belt asteroid
—
2.934 AU · Sun
13.12 H
—
10145
Apollo near-Earth asteroid
—
1.9 AU · Sun
17.00 H
—
101466
Jupiter trojan
—
5.2 AU · Sun
12.32 H
—
10147 Mizugatsuka
Main-belt asteroid
—
3.178 AU · Sun
13.46 H
—
10148 Shirase
Outer main-belt asteroid
—
3.211 AU · Sun
12.74 H
—
101492
Jupiter trojan
—
5.17 AU · Sun
12.19 H
—
1014 Semphyra
Main-belt asteroid
—
2.798 AU · Sun
11.95 H
—
10150
Amor near-Earth asteroid
—
2.374 AU · Sun
15.45 H
—
1015 Christa
Outer main-belt asteroid
—
3.204 AU · Sun
9.44 H
—
101612
Jupiter trojan
—
5.172 AU · Sun
12.49 H
—
10164 Akusekijima
Main-belt asteroid
—
2.603 AU · Sun
12.85 H
—
10165
Apollo near-Earth asteroid
—
1.235 AU · Sun
17.36 H
—
1016 Anitra
Main-belt asteroid
—
2.22 AU · Sun
11.88 H
—
10171 Takaotengu
Main-belt asteroid
—
2.622 AU · Sun
13.36 H
—
10179 Ishigaki
Main-belt asteroid
—
2.61 AU · Sun
13.01 H
—
1017 Jacqueline
Main-belt asteroid
—
2.606 AU · Sun
11.07 H
—
101819
Main-belt asteroid
—
2.776 AU · Sun
13.44 H
—
10185 Gaudi
Main-belt asteroid
—
2.595 AU · Sun
13.44 H
—
10187
Main-belt asteroid
—
2.411 AU · Sun
13.14 H
—
101873
Amor near-Earth asteroid
—
2.029 AU · Sun
16.39 H
—
101890
Outer main-belt asteroid
—
3.206 AU · Sun
13.21 H
—
1018 Arnolda
Main-belt asteroid
—
2.54 AU · Sun
11.06 H
—
10191 Scottbolton
Main-belt asteroid
—
2.677 AU · Sun
13.33 H
—
10194 Tonygeorge
Main-belt asteroid
—
2.984 AU · Sun
13.38 H
—
101955 Bennu★
Apollo near-Earth asteroid
7.33×10¹⁰ kg
1.126 AU · Sun
20.21 H
—
10195 Nebraska
Main-belt asteroid
—
2.888 AU · Sun
12.38 H
—
10199 Chariklo
Centaur
—
15.73 AU · Sun
6.55 H
—
1019 Strackea
Inner main-belt asteroid
—
1.911 AU · Sun
12.60 H
—
101 Helena
Main-belt asteroid
—
2.583 AU · Sun
8.39 H
—
1020 Arcadia
Main-belt asteroid
—
2.791 AU · Sun
12.22 H
—
10217 Richardcook
Main-belt asteroid
—
2.617 AU · Sun
12.49 H
—
1021 Flammario
Main-belt asteroid
—
2.74 AU · Sun
9.01 H
—
10222 Klotz
Main-belt asteroid
—
2.772 AU · Sun
13.07 H
—
10223 Zashikiwarashi
Main-belt asteroid
—
3.124 AU · Sun
13.26 H
—
10225
Main-belt asteroid
—
2.841 AU · Sun
13.04 H
—
10226 Seishika
Main-belt asteroid
—
2.488 AU · Sun
13.12 H
—
10227 Izanami
Main-belt asteroid
—
3.13 AU · Sun
12.49 H
—