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
2023-03-23 07:42:24 C 05 46 00.398 +24 55 30.72 V T05
2023-03-23 07:50:24 C 05 46 00.816 +24 55 26.87 V T05
2023-03-23 08:55:40 C 05 46 04.411 +24 54 52.88 V T05
2023-03-27 05:29:03 C 05 51 12.720 +24 07 46.56 V T05
2023-03-27 05:33:37 C 05 51 12.950 +24 07 45.12 V T05
2023-03-27 05:41:26 C 05 51 13.373 +24 07 41.27 V T05
2023-03-27 06:13:47 C 05 51 15.175 +24 07 25.00 V T05
2023-04-09 03:05:14 C 06 09 20.437 +21 43 54.01 V G96
2023-04-09 03:14:53 C 06 09 21.010 +21 43 49.73 V G96
2023-04-09 03:24:33 C 06 09 21.586 +21 43 45.41 V G96
2023-04-09 03:34:13 C 06 09 22.169 +21 43 41.09 V G96
2024-02-25 08:52:40 C 17 49 14.85 -60 01 22.3 W X17
2024-02-25 08:53:55 C 17 49 15.08 -60 01 22.5 W X17
2024-02-25 08:55:10 C 17 49 15.30 -60 01 22.5 W X17
2024-02-25 08:56:26 C 17 49 15.50 -60 01 22.8 W X17
2024-02-25 08:57:42 C 17 49 15.74 -60 01 22.8 W X17
2024-02-26 08:28:36 C 17 53 39.52 -60 05 27.4 W X17
2024-02-26 08:29:50 C 17 53 39.75 -60 05 27.2 W X17
2024-02-26 08:31:06 C 17 53 39.99 -60 05 27.7 W X17
2024-02-26 08:32:21 C 17 53 40.27 -60 05 28.1 W X17
2024-02-26 08:33:38 C 17 53 40.47 -60 05 28.2 W X17
2024-02-28 08:08:44 C 18 02 34.898 -60 12 28.01 V W68
2024-02-28 08:13:29 C 18 02 35.741 -60 12 28.12 V W68
2024-02-28 08:48:46 C 18 02 42.29 -60 12 33.7 W X17
2024-02-28 08:50:02 C 18 02 42.51 -60 12 33.8 W X17
2024-02-28 08:51:17 C 18 02 42.76 -60 12 33.9 W X17
2024-02-28 08:52:33 C 18 02 43.01 -60 12 34.1 W X17
2024-02-28 09:01:25 C 18 02 44.618 -60 12 35.14 V W68
2024-03-01 08:22:56 C 18 11 36.80 -60 17 50.7 W X17
2024-03-01 08:24:11 C 18 11 37.03 -60 17 50.8 W X17
2024-03-01 08:25:27 C 18 11 37.28 -60 17 51.3 W X17
2024-03-01 08:26:44 C 18 11 37.53 -60 17 51.1 W X17
2024-03-01 08:28:00 C 18 11 37.72 -60 17 51.4 W X17
2024-03-11 08:50:15 C 18 56 09.420 -60 19 13.19 V W68
2024-03-11 08:54:10 C 18 56 10.102 -60 19 13.01 V W68
2024-03-11 09:21:15 C 18 56 14.974 -60 19 11.39 V W68
2024-03-19 08:26:10 C 19 30 11.119 -59 51 03.17 V W68
2024-03-19 09:01:02 C 19 30 17.074 -59 50 56.29 V W68
2024-03-19 09:08:24 C 19 30 18.353 -59 50 54.96 V W68
2024-03-19 09:18:43 C 19 30 20.095 -59 50 52.94 V W68
2024-03-23 08:21:58 C 19 46 27.758 -59 27 52.70 V W68
2024-03-23 08:53:39 C 19 46 32.974 -59 27 44.57 V W68
2024-03-23 09:06:31 C 19 46 35.093 -59 27 41.18 V W68
2024-03-23 09:21:11 C 19 46 37.500 -59 27 37.33 V W68
2024-03-27 08:49:07 C 20 02 13.051 -58 58 54.98 V W68
2024-03-27 08:53:47 C 20 02 13.819 -58 58 53.47 V W68
2024-03-27 09:18:41 C 20 02 17.753 -58 58 45.73 V W68
2024-03-27 09:39:52 C 20 02 21.096 -58 58 39.36 V W68
2024-03-31 09:11:59 C 20 17 17.654 -58 24 41.18 V W68
2024-03-31 09:38:53 C 20 17 21.737 -58 24 31.57 V W68