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
2020-10-13 10:59:06 C 09 01 16.48 +34 00 38.2 – V 703
2020-10-13 11:17:27 C 09 01 17.45 +34 00 29.7 – U I41
2020-10-13 12:15:09 C 09 01 20.63 +34 00 02.7 – U I41
2020-10-15 10:54:52 C 09 03 54.54 +33 37 48.5 – U I41
2020-10-15 12:15:34 C 09 03 58.82 +33 37 10.9 – U I41
2020-10-16 10:52:33 C 09 05 11.16 +33 26 24.5 – V 703
2020-10-16 11:00:25 C 09 05 11.57 +33 26 21.1 – V 703
2020-10-16 11:08:16 C 09 05 12.04 +33 26 17.4 – V 703
2020-10-16 11:16:08 C 09 05 12.39 +33 26 13.5 – V 703
2020-10-18 12:29:58 C 09 07 44.82 +33 02 49.1 – U I41
2020-10-18 12:51:46 C 09 07 45.91 +33 02 39.0 – U I41
2020-10-19 10:55:47 C 09 08 52.13 +32 52 09.2 – U I41
2020-10-19 11:18:33 C 09 08 53.23 +32 51 58.5 – U I41
2020-10-19 11:30:34 C 09 08 53.78 +32 51 53.1 – V 703
2020-10-19 11:38:14 C 09 08 54.18 +32 51 49.8 – V 703
2020-10-19 11:45:54 C 09 08 54.48 +32 51 45.1 – V 703
2020-10-19 11:53:33 C 09 08 54.91 +32 51 41.9 – V 703
2020-10-19 14:41:41 C 09 09 03.23 +32 50 24.0 – V T08
2020-10-19 14:47:40 C 09 09 03.52 +32 50 21.1 – V T08
2020-10-19 15:06:25 C 09 09 04.43 +32 50 12.2 – V T08
2020-10-19 15:16:24 C 09 09 04.92 +32 50 07.5 – V T08
2020-10-20 11:35:27 C 09 10 04.34 +32 40 27.2 – U I41
2020-10-20 12:36:50 C 09 10 07.24 +32 39 58.5 – U I41
2020-10-20 14:18:13 C 09 10 12.191 +32 39 11.16 – U F52
2020-10-20 14:33:04 C 09 10 12.891 +32 39 04.24 – U F52
2020-10-20 14:45:40 C 09 10 13.47 +32 38 58.2 – V T08
2020-10-20 14:47:49 C 09 10 13.586 +32 38 57.33 – U F52
2020-10-20 15:02:38 C 09 10 14.279 +32 38 50.40 – U F52
2020-10-20 15:08:42 C 09 10 14.58 +32 38 47.8 – V T08
2020-10-20 15:16:48 C 09 10 14.95 +32 38 44.1 – V T08
2020-10-20 15:28:50 C 09 10 15.51 +32 38 38.2 – V T08
2020-10-23 10:28:20 C 09 13 22.27 +32 06 52.4 – V 703
2020-10-23 10:35:39 C 09 13 22.62 +32 06 49.2 – V 703
2020-10-23 10:42:57 C 09 13 22.91 +32 06 45.5 – V 703
2020-10-23 10:50:16 C 09 13 23.24 +32 06 42.0 – V 703
2020-10-25 14:54:02 C 09 15 39.18 +31 42 07.7 – V T05
2020-10-25 14:58:39 C 09 15 39.39 +31 42 05.6 – V T05
2020-10-25 15:23:35 C 09 15 40.40 +31 41 54.3 – V T05
2020-10-25 15:27:32 C 09 15 40.55 +31 41 52.3 – V T05
2020-10-28 10:15:42 C 09 18 23.21 +31 10 22.6 – V 703
2020-10-28 10:22:59 C 09 18 23.45 +31 10 19.8 – V 703
2020-10-28 10:23:18 C 09 18 23.47 +31 10 18.5 – U I41
2020-10-28 10:30:17 C 09 18 23.69 +31 10 15.4 – V 703
2020-10-28 10:37:34 C 09 18 23.93 +31 10 12.6 – V 703
2020-10-28 12:23:31 C 09 18 27.98 +31 09 23.1 – V G96
2020-10-28 12:29:03 C 09 18 28.20 +31 09 20.6 – V G96
2020-10-28 12:34:34 C 09 18 28.40 +31 09 17.9 – V G96
2020-10-28 12:40:05 C 09 18 28.60 +31 09 15.4 – V G96
2020-10-28 12:43:47 C 09 18 28.80 +31 09 13.4 – U I41
2020-10-29 12:26:24 C 09 19 23.08 +30 58 05.4 – q U71