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
2001-01-02 09:39:06 C 09 18 41.37 +09 04 58.2 17.8 c 704
2001-01-02 09:41:00 C 09 18 41.30 +09 04 56.5 670
2001-01-02 10:00:31 C 09 18 39.92 +09 04 44.7 17.5 c 704
2001-01-02 11:14:22 C 09 18 34.96 +09 04 01.1 670
2001-01-02 12:02:32 C 09 18 31.76 +09 03 30.3 670
2001-01-03 09:06:28 C 09 17 07.41 +08 50 39.2 17.1 c 704
2001-01-03 09:28:16 C 09 17 05.91 +08 50 25.9 17.6 c 704
2001-01-03 09:50:06 C 09 17 04.36 +08 50 12.5 17.3 c 704
2001-01-03 10:11:32 C 09 17 02.85 +08 49 58.9 17.4 c 704
2001-01-03 10:33:29 C 09 17 01.34 +08 49 45.8 17.2 c 704
2001-01-13 01:38:23 C 08 59 33.03 +06 30 59.6 118
2001-01-13 01:51:43 C 08 59 31.89 +06 30 51.6 118
2001-01-19 07:34:21 C 08 46 43.16 +05 05 25.7 17.2 c 704
2001-01-19 07:57:32 C 08 46 41.06 +05 05 13.6 17.9 c 704
2001-01-19 08:19:33 C 08 46 39.08 +05 05 00.7 17.3 c 704
2001-01-19 08:41:58 C 08 46 37.05 +05 04 48.6 17.6 c 704
2001-01-19 09:06:06 C 08 46 34.91 +05 04 34.9 17.8 c 704
2001-01-21 07:55:36 C 08 42 25.95 +04 39 01.1 16.8 c 704
2001-01-21 08:17:26 C 08 42 23.96 +04 38 49.4 17.2 c 704
2001-01-21 08:39:51 C 08 42 21.92 +04 38 37.1 16.6 c 704
2001-01-21 09:02:04 C 08 42 19.91 +04 38 25.3 17.4 c 704
2001-01-21 09:24:58 C 08 42 17.81 +04 38 12.9 16.8 c 704
2001-01-25 07:15:04 C 08 33 54.052 +03 49 06.74 645
2001-01-25 07:16:16 C 08 33 53.938 +03 49 06.05 645
2001-01-25 07:18:39 C 08 33 53.728 +03 49 05.05 645
2001-01-25 07:19:51 C 08 33 53.606 +03 49 04.50 645
2001-01-26 07:16:41 C 08 31 44.87 +03 37 01.8 16.5 c 704
2001-01-26 07:38:07 C 08 31 42.94 +03 36 52.3 18.8 c 704
2001-01-26 07:59:33 C 08 31 40.97 +03 36 41.0 17.0 c 704
2001-01-26 08:21:02 C 08 31 39.01 +03 36 30.1 17.0 c 704
2001-01-26 08:42:28 C 08 31 37.05 +03 36 19.5 17.4 c 704
2001-01-27 20:11:46 C 08 28 27.29 +03 18 52.1 151
2001-01-27 20:15:25 C 08 28 26.98 +03 18 50.0 151
2001-01-27 20:18:30 C 08 28 26.69 +03 18 48.7 151
2001-01-27 20:20:55 C 08 28 26.47 +03 18 47.3 151
2001-01-28 06:07:33 C 08 27 34.19 +03 14 05.9 670
2001-01-28 07:55:24 C 08 27 24.44 +03 13 14.4 670
2001-01-28 10:11:22 C 08 27 12.09 +03 12 09.2 670
2001-02-02 04:39:12 C 08 17 12.23 +02 20 01.4 17.7 739
2001-02-02 04:42:23 C 08 17 11.94 +02 20 00.0 17.6 739
2001-02-02 04:49:36 C 08 17 11.31 +02 19 57.0 17.6 739
2001-02-02 04:53:21 C 08 17 10.99 +02 19 55.0 17.5 739
2001-02-03 05:29:21 C 08 15 05.51 +02 09 26.8 17.7 739
2001-02-03 05:33:06 C 08 15 05.13 +02 09 25.1 17.3 739
2001-02-03 05:39:39 C 08 15 04.50 +02 09 22.4 17.6 739
2001-02-10 20:50:22 C 08 00 27.84 +00 59 52.7 118
2001-02-10 20:56:26 C 08 00 27.40 +00 59 50.7 118
2001-02-12 02:41:04 C 07 58 16.66 +00 49 58.7 17.9 739
2001-02-12 02:44:13 C 07 58 16.38 +00 49 57.7 17.8 739
2001-02-12 02:56:28 C 07 58 15.51 +00 49 54.1 17.5 739