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
2012-01-21 09:53:21 C 07 22 41.62 +27 39 15.8 r G96
2012-01-21 09:56:47 C 07 22 41.30 +27 39 13.1 r G96
2012-01-21 09:59:29 C 07 22 41.01 +27 39 10.9 r G96
2012-01-21 10:03:25 C 07 22 40.65 +27 39 07.7 r G96
2012-01-21 10:39:38 C 07 22 37.12 +27 38 38.8 r G96
2012-01-21 10:40:28 C 07 22 37.02 +27 38 38.1 r G96
2012-01-21 10:41:19 C 07 22 36.94 +27 38 37.5 r G96
2012-01-21 10:42:09 C 07 22 36.87 +27 38 36.7 r G96
2012-01-21 10:52:53 C 07 22 35.83 +27 38 28.1 r G96
2012-01-21 10:57:51 C 07 22 35.32 +27 38 24.1 r G96
2012-01-21 11:01:18 C 07 22 35.00 +27 38 21.3 r G96
2012-01-21 11:04:32 C 07 22 34.68 +27 38 18.7 r G96
2012-01-21 19:47:24 C 07 21 45.33 +27 31 23.2 o J16
2012-01-21 19:57:43 C 07 21 44.35 +27 31 15.6 o J16
2012-01-21 20:09:50 C 07 21 43.17 +27 31 05.9 o J16
2012-01-21 20:59:28 C 07 21 38.33 +27 30 28.9 c A24
2012-01-21 21:00:31 C 07 21 38.23 +27 30 28.1 c A24
2012-01-21 22:25:55 C 07 21 29.90 +27 29 20.7 c A24
2012-01-21 22:26:57 C 07 21 29.87 +27 29 19.9 c A24
2012-01-22 07:37:09 C 07 20 37.716 +27 22 06.18 L F51
2012-01-22 08:15:55 C 07 20 34.049 +27 21 36.15 L F51
2012-01-22 08:34:08 C 07 20 32.281 +27 21 21.83 L F51
2012-01-22 19:46:28 C 07 19 29.18 +27 12 24.4 c A24
2012-01-22 19:47:30 C 07 19 29.07 +27 12 23.5 c A24
2012-01-22 20:53:18 C 07 19 22.81 +27 11 31.7 c A24
2012-01-22 20:54:20 C 07 19 22.70 +27 11 30.8 c A24
2012-01-23 15:13:00 C 07 17 40.40 +26 56 57.7 o 300
2012-01-23 15:14:17 C 07 17 40.35 +26 56 56.7 o 300
2012-01-23 15:15:36 C 07 17 40.17 +26 56 56.3 o 300
2012-01-23 15:16:54 C 07 17 40.10 +26 56 54.9 o 300
2012-01-23 15:18:12 C 07 17 39.93 +26 56 54.1 o 300
2012-01-23 15:23:24 C 07 17 39.42 +26 56 49.6 o 300
2012-01-23 21:00:43 C 07 17 08.86 +26 52 19.4 c A24
2012-01-23 21:01:44 C 07 17 08.78 +26 52 18.7 c A24
2012-01-23 21:32:13 C 07 17 05.92 +26 51 54.5 c A24
2012-01-23 21:33:15 C 07 17 05.82 +26 51 53.6 c A24
2012-01-23 21:49:26 C 07 17 04.28 +26 51 40.6 o J94
2012-01-23 22:07:39 C 07 17 02.61 +26 51 24.3 o J94
2012-01-23 22:24:30 C 07 17 01.10 +26 51 12.2 o J94
2012-01-24 22:09:28 C 07 14 52.33 +26 32 15.8 c A24
2012-01-24 22:10:31 C 07 14 52.25 +26 32 15.0 c A24
2012-01-25 21:09:08 C 07 12 50.74 +26 13 53.0 c A24
2012-01-25 21:10:10 C 07 12 50.65 +26 13 52.2 c A24
2012-01-26 04:58:32 C 07 12 10.01 +26 07 39.8 16.6 c 704
2012-01-26 05:16:47 C 07 12 08.41 +26 07 25.3 16.8 c 704
2012-01-26 05:35:15 C 07 12 06.76 +26 07 10.4 16.6 c 704
2012-01-26 05:53:32 C 07 12 05.13 +26 06 55.8 16.8 c 704
2012-01-26 06:11:51 C 07 12 03.53 +26 06 41.2 16.9 c 704
2012-01-26 20:55:33 C 07 10 48.05 +25 54 53.0 c A24
2012-01-26 20:56:36 C 07 10 47.97 +25 54 52.3 c A24