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
2024-03-31 09:46:22 C 20 17 22.814 -58 24 28.73 V W68
2024-03-31 09:49:27 C 20 17 23.268 -58 24 27.36 V W68
2024-03-31 10:01:23 C 20 17 25.111 -58 24 23.44 V W68
2024-04-03 07:45:56 C 20 27 53.225 -57 56 27.46 V W68
2024-04-03 08:04:03 C 20 27 55.865 -57 56 20.22 V W68
2024-04-03 08:16:06 C 20 27 57.612 -57 56 15.47 V W68
2024-04-06 07:12:27 C 20 38 12.384 -57 25 21.79 V W68
2024-04-06 07:30:29 C 20 38 14.935 -57 25 13.87 V W68
2024-04-06 07:54:27 C 20 38 18.312 -57 25 03.43 V W68
2024-04-09 06:05:41 C 20 48 02.050 -56 52 06.38 V W68
2024-04-09 06:21:37 C 20 48 04.217 -56 51 59.00 V W68
2024-04-09 06:33:34 C 20 48 05.837 -56 51 53.53 V W68
2024-04-09 06:41:33 C 20 48 06.917 -56 51 49.68 V W68
2024-04-09 08:26:18 C 20 48 21.031 -56 51 00.94 V W68
2024-04-09 08:46:13 C 20 48 23.671 -56 50 51.65 V W68
2024-04-10 20:17:31 C 20 53 09.35 -56 33 17.8 u 323
2024-04-10 20:35:30 C 20 53 11.64 -56 33 08.6 u 323
2024-04-11 20:32:38 C 20 56 20.57 -56 20 59.7 u 323
2024-04-11 20:51:46 C 20 56 23.09 -56 20 51.9 u 323
2024-04-12 00:39:16 C 20 56 52.925 -56 18 51.26 V M22
2024-04-12 02:13:07 C 20 57 05.028 -56 18 05.00 V M22
2024-04-12 02:33:04 C 20 57 07.596 -56 17 54.96 V M22
2024-04-13 20:16:56 C 21 02 28.60 -55 56 02.9 u 323
2024-04-13 20:35:25 C 21 02 31.03 -55 55 53.8 u 323
2024-04-14 20:31:54 C 21 05 31.29 -55 42 59.5 u 323
2024-04-14 20:50:15 C 21 05 33.55 -55 42 50.0 u 323
2024-04-16 20:06:12 C 21 11 21.01 -55 16 39.6 u 323
2024-04-16 20:24:01 C 21 11 23.09 -55 16 30.0 u 323
2024-04-18 02:01:53 C 21 14 55.320 -54 59 38.51 V M22
2024-04-18 02:26:57 C 21 14 58.231 -54 59 24.61 V M22
2024-04-18 02:31:33 C 21 14 58.738 -54 59 22.09 V M22
2024-04-18 02:44:48 C 21 15 00.293 -54 59 14.71 V M22
2024-04-20 07:22:22 C 21 21 06.194 -54 28 22.80 V W68
2024-04-20 08:05:04 C 21 21 10.994 -54 27 58.07 V W68
2024-04-20 08:40:23 C 21 21 14.935 -54 27 37.51 V W68
2024-04-20 08:44:59 C 21 21 15.442 -54 27 34.99 V W68
2024-04-24 07:13:50 C 21 31 37.380 -53 29 23.06 V W68
2024-04-24 07:19:07 C 21 31 37.877 -53 29 19.25 V W68
2024-04-24 07:28:25 C 21 31 38.909 -53 29 13.85 V W68
2024-04-24 07:55:39 C 21 31 41.760 -53 28 56.93 V W68
2024-04-25 02:48:22 S 21 33 40.02 -53 16 54.1 L C51
2024-04-25 05:53:13 S 21 33 59.27 -53 14 55.5 L C51
2024-04-25 08:50:56 C 21 34 18.307 -53 13 02.14 V W68
2024-04-25 08:58:03 S 21 34 18.52 -53 12 55.7 L C51
2024-04-25 09:14:18 C 21 34 20.678 -53 12 47.34 V W68
2024-04-25 09:19:01 C 21 34 21.139 -53 12 44.42 V W68
2024-04-25 12:02:52 S 21 34 37.66 -53 10 56.9 L C51
2024-04-25 15:07:43 S 21 34 56.75 -53 08 57.6 L C51
2024-04-25 18:12:33 S 21 35 15.84 -53 06 58.2 L C51
2024-04-25 21:17:22 S 21 35 34.81 -53 04 58.2 L C51