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
2021-01-13 10:00:13 C 08 29 04.10 +16 11 56.7 U I41
2021-01-13 10:05:58 C 08 29 03.54 +16 11 53.3 U I41
2021-01-13 10:07:20 C 08 29 03.41 +16 11 52.5 U I41
2021-01-14 00:52:35 C 08 27 39.92 +16 03 19.3 V 130
2021-01-14 00:54:06 C 08 27 39.76 +16 03 18.8 V 130
2021-01-14 00:55:38 C 08 27 39.64 +16 03 18.1 V 130
2021-01-14 00:57:33 C 08 27 39.44 +16 03 16.7 V 130
2021-01-14 06:40:43 C 08 27 07.25 +15 59 59.8 U I41
2021-01-14 07:17:12 C 08 27 03.73 +15 59 38.6 U I41
2021-01-14 07:30:09 C 08 27 02.43 +15 59 31.4 V 703
2021-01-14 07:37:42 C 08 27 01.70 +15 59 27.2 V 703
2021-01-14 07:42:27 C 08 27 01.28 +15 59 24.2 U I41
2021-01-14 07:45:14 C 08 27 00.98 +15 59 22.7 V 703
2021-01-14 07:52:46 C 08 27 00.21 +15 59 18.3 V 703
2021-01-14 09:41:21 C 08 26 49.78 +15 58 15.5 U I41
2021-01-14 09:52:24 C 08 26 48.71 +15 58 09.0 U I41
2021-01-14 09:53:04 C 08 26 48.64 +15 58 08.6 U I41
2021-01-14 10:44:30 C 08 26 43.67 +15 57 38.7 U I41
2021-01-15 07:13:43 C 08 24 47.40 +15 45 46.8 U I41
2021-01-15 09:00:12 C 08 24 37.05 +15 44 45.1 U I41
2021-01-15 12:05:16 C 08 24 19.38 +15 42 59.9 V T08
2021-01-15 12:09:55 C 08 24 18.94 +15 42 57.1 V T08
2021-01-15 12:24:12 C 08 24 17.54 +15 42 48.7 V T08
2021-01-15 12:47:32 C 08 24 15.27 +15 42 35.2 V T08
2021-01-16 06:42:28 C 08 22 33.35 +15 32 09.4 U I41
2021-01-16 06:57:25 C 08 22 31.90 +15 32 00.7 U I41
2021-01-16 08:19:57 C 08 22 23.87 +15 31 13.0 U I41
2021-01-16 09:57:29 C 08 22 14.38 +15 30 16.1 U I41
2021-01-16 10:57:33 C 08 22 08.55 +15 29 41.0 U I41
2021-01-17 05:55:25 C 08 20 20.61 +15 18 40.0 U I41
2021-01-17 06:26:48 C 08 20 17.56 +15 18 21.8 U I41
2021-01-17 07:59:14 C 08 20 08.56 +15 17 28.4 U I41
2021-01-17 07:59:55 C 08 20 08.50 +15 17 28.0 U I41
2021-01-17 08:00:35 C 08 20 08.42 +15 17 27.6 U I41
2021-01-17 08:07:50 C 08 20 08.052 +15 17 24.68 U F52
2021-01-17 08:22:31 C 08 20 06.627 +15 17 16.23 U F52
2021-01-17 08:33:21 C 08 20 05.24 +15 17 08.6 U I41
2021-01-17 08:34:43 C 08 20 05.10 +15 17 07.8 U I41
2021-01-17 08:35:24 C 08 20 05.04 +15 17 07.4 U I41
2021-01-17 08:37:14 C 08 20 05.196 +15 17 07.78 U F52
2021-01-17 08:51:56 C 08 20 03.768 +15 16 59.32 U F52
2021-01-17 09:05:25 C 08 20 02.11 +15 16 49.9 U I41
2021-01-17 09:37:16 C 08 19 59.01 +15 16 31.3 U I41
2021-01-17 09:57:48 C 08 19 57.35 +15 16 21.2 V T05
2021-01-17 10:01:06 C 08 19 57.02 +15 16 19.3 V T05
2021-01-17 10:31:59 C 08 19 54.01 +15 16 01.5 V T05
2021-01-17 10:36:36 C 08 19 53.57 +15 15 58.8 V T05
2021-01-18 06:33:58 C 08 17 59.44 +15 04 21.2 V G96
2021-01-18 06:41:19 C 08 17 58.72 +15 04 16.8 V G96
2021-01-18 06:48:41 C 08 17 58.02 +15 04 12.6 V G96