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
2013-09-18 03:41:17 C 05 34 58.96 +80 50 22.6 c A24
2013-09-23 04:10:03 C 06 13 04.94 +81 46 22.2 c A24
2013-09-23 04:11:05 C 06 13 04.83 +81 46 22.7 c A24
2013-09-25 16:50:09 C 06 32 28.42 +82 09 29.0 o C94
2013-09-25 16:51:56 C 06 32 29.13 +82 09 30.1 o C94
2013-09-25 17:38:18 C 06 32 43.99 +82 09 47.4 o C94
2013-09-25 17:41:22 C 06 32 44.73 +82 09 49.0 o C94
2013-10-29 19:09:39 C 09 01 48.29 +85 53 38.7 q L22
2013-10-29 19:13:49 C 09 01 48.04 +85 53 40.3 q L22
2013-10-29 19:18:01 C 09 01 47.94 +85 53 42.0 q L22
2013-10-29 19:22:12 C 09 01 47.32 +85 53 43.6 q L22
2013-10-29 19:26:23 C 09 01 46.79 +85 53 45.3 q L22
2013-10-31 22:56:13 C 08 54 41.75 +86 12 55.6 m 006
2013-10-31 22:59:23 C 08 54 39.45 +86 12 58 d 162
2013-10-31 23:06:21 C 08 54 39.88 +86 12 59.5 m 006
2013-10-31 23:17:06 C 08 54 38.23 +86 13 03.5 m 006
2013-10-31 23:21:45 C 08 54 36.14 +86 13 06.1 d 162
2013-11-07 18:17:46 C 07 49 16.35 +87 10 25.6 r 168
2013-11-07 18:22:16 C 07 49 13.16 +87 10 27.2 r 168
2013-11-07 18:27:56 C 07 49 09.49 +87 10 28.5 r 168
2013-11-07 21:28:09 C 07 47 09.97 +87 11 19.8 q A92
2013-11-07 21:57:56 C 07 46 45.70 +87 11 27.6 q A92
2013-11-07 22:19:31 C 07 46 31.15 +87 11 35.1 q A92
2013-11-07 22:41:04 C 07 46 16.59 +87 11 39.8 q A92
2013-11-08 20:52:20 C 07 29 45.64 +87 17 08.6 r 168
2013-11-08 21:04:00 C 07 29 36.02 +87 17 11.9 r 168
2013-11-08 21:10:50 C 07 29 30.79 +87 17 13.6 r 168
2013-11-20 17:50:26 C 03 28 24.55 +85 55 13.7 V C95
2013-11-20 17:52:57 C 03 28 23.31 +85 55 11.7 V C95
2013-11-20 17:55:28 C 03 28 22.05 +85 55 09.9 V C95
2013-11-20 17:57:59 C 03 28 21.03 +85 55 08.0 V C95
2013-11-20 18:00:31 C 03 28 19.65 +85 55 06.0 V C95
2013-11-20 18:03:02 C 03 28 18.32 +85 55 04.1 V C95
2013-11-23 20:25:01 C 03 00 11.51 +84 50 55.1 u Z65
2013-11-23 20:38:28 C 03 00 07.56 +84 50 42.9 u Z65
2013-11-23 20:54:36 C 03 00 02.42 +84 50 27.8 u Z65
2013-11-26 20:35:25 C 02 43 34.90 +83 38 26.6 c A24
2013-11-26 20:36:26 C 02 43 34.87 +83 38 25.7 c A24
2013-11-26 21:40:40 C 02 43 22.51 +83 37 18.0 c A24
2013-11-26 22:06:37 C 02 43 17.62 +83 36 49.8 c A24
2013-11-26 22:07:39 C 02 43 17.32 +83 36 48.7 c A24
2013-11-26 23:11:13 C 02 43 05.31 +83 35 40.1 c A24
2013-11-26 23:12:20 C 02 43 05.16 +83 35 39.2 c A24
2013-11-27 20:25:34 C 02 39 43.37 +83 12 38.3 c A24
2013-11-27 20:26:35 C 02 39 43.20 +83 12 37.4 c A24
2013-12-01 20:45:06 C 02 29 40.55 +81 20 13.1 c A24
2013-12-01 20:46:08 C 02 29 40.42 +81 20 11.8 c A24
2013-12-01 21:47:28 C 02 29 35.89 +81 18 56.0 c A24
2013-12-01 21:48:30 C 02 29 35.51 +81 18 55.3 c A24
2013-12-02 21:46:51 C 02 28 09.53 +80 49 03.2 c A24