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
2021-01-30 23:14:06 S 07 50 24.098 +12 12 38.63 – V C57
2021-01-30 23:14:06 s 1 +86405.277 0 +328111.65 9190.0 – C57
2021-01-30 23:24:06 S 07 50 23.270 +12 12 33.62 – V C57
2021-01-30 23:24:06 s 1 +86088.017 0 +328476.15 4870.0 – C57
2021-01-30 23:34:06 S 07 50 22.411 +12 12 28.15 – V C57
2021-01-30 23:34:06 s 1 +85770.443 0 +328839.45 9950.0 – C57
2021-01-30 23:44:06 S 07 50 21.468 +12 12 21.56 – V C57
2021-01-30 23:44:06 s 1 +85452.555 0 +329201.54 4410.0 – C57
2021-01-30 23:54:06 S 07 50 20.686 +12 12 17.78 – V C57
2021-01-30 23:54:06 s 1 +85134.356 0 +329562.43 8260.0 – C57
2021-01-31 00:04:06 S 07 50 19.790 +12 12 12.35 – V C57
2021-01-31 00:04:06 s 1 +84815.847 0 +329922.12 1500.0 – C57
2021-01-31 00:14:06 S 07 50 18.962 +12 12 06.55 – V C57
2021-01-31 00:14:06 s 1 +84497.031 0 +330280.61 4150.0 – C57
2021-01-31 00:24:06 S 07 50 18.084 +12 12 00.11 – V C57
2021-01-31 00:24:06 s 1 +84177.909 0 +330637.90 6190.0 – C57
2021-01-31 00:34:06 S 07 50 17.234 +12 11 55.97 – V C57
2021-01-31 00:34:06 s 1 +83858.483 0 +330993.99 7640.0 – C57
2021-01-31 00:44:06 S 07 50 16.272 +12 11 49.60 – V C57
2021-01-31 00:44:06 s 1 +83538.755 0 +331348.89 8500.0 – C57
2021-01-31 00:54:06 S 07 50 15.473 +12 11 43.04 – V C57
2021-01-31 00:54:06 s 1 +83218.727 0 +331702.59 8760.0 – C57
2021-01-31 01:04:06 S 07 50 14.762 +12 11 40.09 – V C57
2021-01-31 01:04:06 s 1 +82898.401 0 +332055.10 8450.0 – C57
2021-01-31 01:14:06 S 07 50 13.846 +12 11 33.58 – V C57
2021-01-31 01:14:06 s 1 +82577.778 0 +332406.42 7550.0 – C57
2021-01-31 01:24:06 S 07 50 12.982 +12 11 27.96 – V C57
2021-01-31 01:24:06 s 1 +82256.861 0 +332756.55 6070.0 – C57
2021-01-31 01:34:06 S 07 50 12.082 +12 11 23.78 – V C57
2021-01-31 01:34:06 s 1 +81935.651 0 +333105.49 4010.0 – C57
2021-01-31 01:44:06 S 07 50 11.136 +12 11 18.96 – V C57
2021-01-31 01:44:06 s 1 +81614.150 0 +333453.25 1390.0 – C57
2021-01-31 01:54:06 S 07 50 10.282 +12 11 11.65 – V C57
2021-01-31 01:54:06 s 1 +81292.359 0 +333799.82 8190.0 – C57
2021-01-31 02:04:06 S 07 50 09.576 +12 11 07.48 – V C57
2021-01-31 02:04:06 s 1 +80970.281 0 +334145.20 4430.0 – C57
2021-01-31 02:14:06 S 07 50 08.633 +12 10 59.92 – V C57
2021-01-31 02:14:06 s 1 +80647.918 0 +334489.40 100.0 – C57
2021-01-31 02:24:06 S 07 50 07.726 +12 10 57.14 – V C57
2021-01-31 02:24:06 s 1 +80325.270 0 +334832.43 5220.0 – C57
2021-01-31 02:34:06 S 07 50 06.967 +12 10 52.21 – V C57
2021-01-31 02:34:06 s 1 +80002.341 0 +335174.27 9770.0 – C57
2021-01-31 02:44:06 S 07 50 06.077 +12 10 45.19 – V C57
2021-01-31 02:44:06 s 1 +79679.131 0 +335514.93 3780.0 – C57
2021-01-31 02:54:06 S 07 50 05.218 +12 10 40.55 – V C57
2021-01-31 02:54:06 s 1 +79355.643 0 +335854.42 7230.0 – C57
2021-01-31 03:04:06 S 07 50 04.418 +12 10 34.03 – V C57
2021-01-31 03:04:06 s 1 +79031.878 0 +336192.73 140.0 – C57
2021-01-31 03:14:06 S 07 50 03.511 +12 10 28.09 – V C57
2021-01-31 03:14:06 s 1 +78707.838 0 +336529.87 2510.0 – C57