IAA RAS IAA Minor Planet Database

21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2021-02-02 16:40:28 C 07 44 39.79 +11 36 08.1 – q C97
2021-02-02 16:42:42 C 07 44 39.61 +11 36 06.8 – q C97
2021-02-02 16:44:06 S 07 44 49.874 +11 37 29.60 – V C57
2021-02-02 16:44:06 s 1 -48736.445 0 +389107.90 9990.0 – C57
2021-02-02 16:54:06 S 07 44 49.238 +11 37 21.97 – V C57
2021-02-02 16:54:06 s 1 -49079.860 0 +389070.76 3210.0 – C57
2021-02-02 17:04:06 S 07 44 48.221 +11 37 18.80 – V C57
2021-02-02 17:04:06 s 1 -49423.157 0 +389032.71 6270.0 – C57
2021-02-02 17:14:06 S 07 44 47.467 +11 37 14.92 – V C57
2021-02-02 17:14:06 s 1 -49766.335 0 +388993.73 9190.0 – C57
2021-02-02 17:24:06 S 07 44 46.409 +11 37 08.40 – V C57
2021-02-02 17:24:06 s 1 -50109.393 0 +388953.83 1950.0 – C57
2021-02-02 17:34:06 S 07 44 45.751 +11 37 05.16 – V C57
2021-02-02 17:34:06 s 1 -50452.332 0 +388913.00 4570.0 – C57
2021-02-02 17:44:06 S 07 44 44.825 +11 36 55.30 – V C57
2021-02-02 17:44:06 s 1 -50795.148 0 +388871.26 7030.0 – C57
2021-02-02 17:54:06 S 07 44 44.066 +11 36 54.72 – V C57
2021-02-02 17:54:06 s 1 -51137.843 0 +388828.59 9330.0 – C57
2021-02-02 18:44:06 S 07 44 39.907 +11 36 23.62 – V C57
2021-02-02 18:44:06 s 1 -52849.460 0 +388601.43 8480.0 – C57
2021-02-02 18:54:06 S 07 44 39.065 +11 36 20.05 – V C57
2021-02-02 18:54:06 s 1 -53191.406 0 +388553.23 9820.0 – C57
2021-02-02 19:04:06 S 07 44 38.208 +11 36 15.41 – V C57
2021-02-02 19:04:06 s 1 -53533.224 0 +388504.11 1000.0 – C57
2021-02-02 19:14:06 S 07 44 37.229 +11 36 08.89 – V C57
2021-02-02 19:14:06 s 1 -53874.914 0 +388454.08 2010.0 – C57
2021-02-02 19:24:06 S 07 44 36.581 +11 36 03.24 – V C57
2021-02-02 19:24:06 s 1 -54216.475 0 +388403.12 2860.0 – C57
2021-02-02 19:34:06 S 07 44 35.748 +11 36 00.36 – V C57
2021-02-02 19:34:06 s 1 -54557.905 0 +388351.24 3530.0 – C57
2021-02-02 19:44:06 S 07 44 34.884 +11 35 55.97 – V C57
2021-02-02 19:44:06 s 1 -54899.205 0 +388298.44 4040.0 – C57
2021-02-02 19:54:06 S 07 44 34.015 +11 35 48.77 – V C57
2021-02-02 19:54:06 s 1 -55240.372 0 +388244.72 4370.0 – C57
2021-02-02 20:04:06 S 07 44 33.362 +11 35 42.40 – V C57
2021-02-02 20:04:06 s 1 -55581.408 0 +388190.08 4530.0 – C57
2021-02-02 20:14:06 S 07 44 32.323 +11 35 37.10 – V C57
2021-02-02 20:14:06 s 1 -55922.310 0 +388134.51 4510.0 – C57
2021-02-02 20:24:06 S 07 44 31.522 +11 35 30.66 – V C57
2021-02-02 20:24:06 s 1 -56263.078 0 +388078.03 4320.0 – C57
2021-02-02 20:34:06 S 07 44 30.662 +11 35 26.41 – V C57
2021-02-02 20:34:06 s 1 -56603.710 0 +388020.63 3950.0 – C57
2021-02-02 20:44:06 S 07 44 29.750 +11 35 20.87 – V C57
2021-02-02 20:44:06 s 1 -56944.207 0 +387962.31 3400.0 – C57
2021-02-02 20:54:06 S 07 44 29.117 +11 35 14.93 – V C57
2021-02-02 20:54:06 s 1 -57284.568 0 +387903.07 2670.0 – C57
2021-02-02 21:04:06 S 07 44 28.073 +11 35 11.33 – V C57
2021-02-02 21:04:06 s 1 -57624.791 0 +387842.91 1750.0 – C57
2021-02-02 21:14:06 S 07 44 27.346 +11 35 04.85 – V C57
2021-02-02 21:14:06 s 1 -57964.876 0 +387781.83 660.0 – C57