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
2024-09-08 07:58:47 C 18 53 45.065 +45 35 54.64 V T08
2024-09-08 19:37:51 C 18 53 18.52 +45 38 01.5 q 168
2024-09-08 20:18:49 C 18 53 17.414 +45 38 13.38 Z C23
2024-09-08 20:24:40 C 18 53 16.70 +45 38 09.6 q 168
2024-09-08 20:31:47 C 18 53 16.889 +45 38 15.65 Z C23
2024-09-08 21:24:38 C 18 53 14.47 +45 38 19.7 q 168
2024-09-08 22:20:37 C 18 53 12.44 +45 38 29.0 q 168
2024-09-08 22:42:40 C 18 53 11.63 +45 38 32.8 q 168
2024-09-09 17:39:00 C 18 52 32.24 +45 42 05.6 q 168
2024-09-09 18:33:08 C 18 52 30.32 +45 42 14.2 q 168
2024-09-10 07:03:41 C 18 52 06.194 +45 44 31.27 V T05
2024-09-10 07:08:18 C 18 52 06.024 +45 44 31.99 V T05
2024-09-10 07:19:32 C 18 52 05.618 +45 44 33.76 V T05
2024-09-10 07:41:50 C 18 52 04.817 +45 44 37.03 V T05
2024-09-10 16:34:00 C 18 51 48.89 +45 45 55.5 q 168
2024-09-10 17:53:03 C 18 51 46.33 +45 46 07.2 q 168
2024-09-10 19:06:05 C 18 51 44.01 +45 46 17.5 q 168
2024-09-10 19:50:38 C 18 51 43.04 +45 46 29.2 Z D66
2024-09-10 20:05:01 C 18 51 42.57 +45 46 31.3 Z D66
2024-09-10 20:15:48 C 18 51 42.21 +45 46 32.8 Z D66
2024-09-10 20:19:07 C 18 51 41.76 +45 46 27.4 q 168
2024-09-10 21:20:06 C 18 51 39.94 +45 46 35.6 q 168
2024-09-10 22:33:16 C 18 51 37.84 +45 46 45.3 q 168
2024-09-11 16:44:33 C 18 51 08.23 +45 49 34.3 q 168
2024-09-11 17:36:40 C 18 51 06.74 +45 49 40.8 q 168
2024-09-11 18:34:38 C 18 51 05.10 +45 49 48.1 q 168
2024-09-11 19:29:38 C 18 51 03.59 +45 49 55.0 q 168
2024-09-11 20:27:37 C 18 51 02.04 +45 50 01.9 q 168
2024-09-11 21:29:38 C 18 51 00.44 +45 50 09.3 q 168
2024-09-11 22:19:37 C 18 50 59.18 +45 50 15.1 q 168
2024-09-12 05:56:42 C 18 50 48.529 +45 51 32.21 X F52
2024-09-12 06:15:47 C 18 50 47.969 +45 51 34.69 X F52
2024-09-12 06:34:49 C 18 50 47.418 +45 51 37.14 X F52
2024-09-12 06:53:53 C 18 50 46.863 +45 51 39.59 X F52
2024-09-12 16:31:00 C 18 50 33.54 +45 52 47.3 q 168
2024-09-12 17:24:25 C 18 50 32.513 +45 53 00.49 V 088
2024-09-12 17:25:20 C 18 50 32.494 +45 53 00.64 V 088
2024-09-12 17:26:27 C 18 50 32.462 +45 53 00.74 V 088
2024-09-12 17:27:47 C 18 50 32.426 +45 53 00.92 V 088
2024-09-12 17:29:21 C 18 50 32.383 +45 53 01.18 V 088
2024-09-12 17:38:01 C 18 50 31.85 +45 52 55.3 q 168
2024-09-12 18:51:02 C 18 50 30.06 +45 53 03.4 q 168
2024-09-12 20:04:05 C 18 50 28.35 +45 53 11.1 q 168
2024-09-12 21:17:06 C 18 50 26.70 +45 53 18.9 q 168
2024-09-12 22:12:07 C 18 50 25.55 +45 53 24.9 q 168
2024-09-12 22:43:52 C 18 50 24.850 +45 53 33.47 Z C23
2024-09-13 00:12:19 C 18 50 22.824 +45 53 42.50 Z C23
2024-09-13 16:25:33 C 18 50 03.69 +45 55 42.1 q 168
2024-09-13 17:03:37 C 18 50 02.86 +45 55 46.0 q 168
2024-09-13 17:49:36 C 18 50 01.88 +45 55 50.8 q 168