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
2024-09-24 08:17:46 C 18 49 33.202 +46 11 58.81 V T05
2024-09-24 08:34:46 C 18 49 33.391 +46 11 58.81 V T05
2024-09-24 17:01:33 C 18 49 41.23 +46 12 05.6 q 168
2024-09-24 17:33:36 C 18 49 41.64 +46 12 06.0 q 168
2024-09-24 18:01:32 C 18 49 42.02 +46 12 06.2 q 168
2024-09-24 18:33:39 C 18 49 42.45 +46 12 06.3 q 168
2024-09-24 18:59:44 C 18 49 42.81 +46 12 06.5 q 168
2024-09-25 15:57:01 C 18 50 03.79 +46 12 34.3 q 168
2024-09-25 16:52:00 C 18 50 04.63 +46 12 34.9 q 168
2024-09-25 17:46:11 C 18 50 05.47 +46 12 35.1 q 168
2024-09-25 18:47:19 C 18 50 06.47 +46 12 35.2 q 168
2024-09-26 07:30:28 C 18 50 20.606 +46 12 55.76 V T05
2024-09-26 08:03:19 C 18 50 21.137 +46 12 55.55 V T05
2024-09-26 08:26:56 C 18 50 21.535 +46 12 55.37 V T05
2024-09-26 08:46:47 C 18 50 21.871 +46 12 55.12 V T05
2024-09-26 16:47:33 C 18 50 32.03 +46 12 58.0 q 168
2024-09-26 17:15:37 C 18 50 32.52 +46 12 57.9 q 168
2024-09-26 17:45:33 C 18 50 33.08 +46 12 58.1 q 168
2024-09-26 18:11:36 C 18 50 33.57 +46 12 57.7 q 168
2024-09-26 18:28:39 B 18 50 34.198 +46 13 04.25 V L92
2024-09-26 18:41:32 C 18 50 34.14 +46 12 57.7 q 168
2024-09-26 18:42:48 B 18 50 34.374 +46 13 03.74 V L92
2024-09-26 18:56:57 B 18 50 34.612 +46 13 03.32 V L92
2024-09-26 18:57:36 C 18 50 34.46 +46 12 57.4 q 168
2024-09-27 16:13:00 C 18 51 02.60 +46 13 15.0 q 168
2024-09-27 16:55:09 C 18 51 03.48 +46 13 15.0 q 168
2024-09-27 17:38:04 C 18 51 04.40 +46 13 14.8 q 168
2024-09-27 18:21:01 C 18 51 05.34 +46 13 14.5 q 168
2024-09-27 19:03:07 C 18 51 06.26 +46 13 14.2 q 168
2024-09-28 21:28:04 C 18 51 45.586 +46 13 29.03 Z C23
2024-09-28 22:29:34 C 18 51 47.105 +46 13 28.27 Z C23
2024-09-29 03:44:50 C 18 51 55.649 +46 13 35.87 V G96
2024-09-29 03:54:25 C 18 51 55.876 +46 13 35.80 V G96
2024-09-29 04:01:21 C 18 51 56.038 +46 13 35.76 V G96
2024-09-29 04:08:16 C 18 51 56.210 +46 13 35.58 V G96
2024-09-30 06:12:06 C 18 52 40.668 +46 13 44.98 V T05
2024-09-30 06:14:03 C 18 52 40.721 +46 13 44.90 V T05
2024-09-30 06:29:14 C 18 52 41.119 +46 13 44.76 V T05
2024-09-30 06:35:07 C 18 52 41.263 +46 13 44.65 V T05
2024-09-30 06:37:04 C 18 52 41.321 +46 13 44.76 V T05
2024-09-30 06:42:18 C 18 52 41.453 +46 13 44.54 V T05
2024-09-30 06:42:57 C 18 52 41.474 +46 13 44.62 V T05
2024-09-30 06:53:35 C 18 52 41.734 +46 13 44.58 V T05
2024-10-01 04:51:05 C 18 53 22.500 +46 13 43.72 Z U76
2024-10-01 05:08:09 C 18 53 23.004 +46 13 43.32 Z U76
2024-10-01 05:22:13 C 18 53 23.419 +46 13 43.07 Z U76
2024-10-01 15:07:32 C 18 53 43.08 +46 13 41.0 q 168
2024-10-01 15:37:36 C 18 53 44.01 +46 13 40.7 q 168
2024-10-01 16:05:39 C 18 53 44.95 +46 13 39.9 q 168
2024-10-01 19:25:02 C 18 53 51.547 +46 13 41.92 Z C23