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
2015-08-31 01:21:35 C 17 29 14.33 -00 46 04.6 u H21
2015-08-31 01:24:06 C 17 29 14.44 -00 46 00.6 u H21
2015-08-31 01:26:37 C 17 29 14.55 -00 45 56.3 u H21
2015-08-31 01:29:08 C 17 29 14.68 -00 45 52.2 u H21
2015-08-31 01:31:39 C 17 29 14.78 -00 45 48.2 u H21
2015-08-31 01:34:10 C 17 29 14.90 -00 45 44.2 u H21
2015-08-31 01:36:42 C 17 29 15.02 -00 45 40.0 u H21
2015-08-31 01:39:43 C 17 29 15.17 -00 45 35.0 u H21
2015-08-31 19:19:28 C 17 30 06.78 -00 17 04.1 q 160
2015-08-31 19:22:21 C 17 30 06.92 -00 16 59.7 q 160
2015-08-31 19:25:14 C 17 30 07.06 -00 16 55.0 q 160
2015-09-02 01:20:59 C 17 31 36.39 +00 30 02.6 u H21
2015-09-02 01:23:15 C 17 31 36.50 +00 30 06.1 u H21
2015-09-02 01:25:46 C 17 31 36.62 +00 30 10.0 u H21
2015-09-02 01:28:17 C 17 31 36.74 +00 30 13.8 u H21
2015-09-02 01:30:49 C 17 31 36.86 +00 30 17.7 u H21
2015-09-02 01:33:21 C 17 31 36.98 +00 30 21.6 u H21
2015-09-02 01:35:52 C 17 31 37.10 +00 30 25.5 u H21
2015-09-02 01:38:23 C 17 31 37.22 +00 30 29.4 u H21
2015-09-02 01:40:53 C 17 31 37.34 +00 30 33.2 u H21
2015-09-02 01:43:24 C 17 31 37.46 +00 30 37.1 u H21
2015-09-02 01:45:55 C 17 31 37.58 +00 30 41.0 u H21
2015-09-02 01:48:25 C 17 31 37.70 +00 30 44.9 u H21
2015-09-02 01:51:26 C 17 31 37.83 +00 30 49.5 u H21
2015-09-03 01:03:36 C 17 32 48.62 +01 06 01.9 u H21
2015-09-03 01:10:54 C 17 32 48.97 +01 06 12.9 u H21
2015-09-03 01:13:26 C 17 32 49.09 +01 06 16.5 u H21
2015-09-03 01:15:58 C 17 32 49.21 +01 06 20.3 u H21
2015-09-03 01:18:28 C 17 32 49.34 +01 06 24.1 u H21
2015-09-03 01:20:59 C 17 32 49.45 +01 06 27.8 u H21
2015-09-03 01:23:30 C 17 32 49.58 +01 06 31.8 u H21
2015-09-03 01:26:01 C 17 32 49.70 +01 06 35.5 u H21
2015-09-03 01:28:31 C 17 32 49.82 +01 06 39.1 u H21
2015-09-03 01:31:02 C 17 32 49.94 +01 06 42.9 u H21
2015-09-03 01:33:02 C 17 32 50.04 +01 06 46.1 u H21
2015-09-04 00:35:12 C 17 34 01.04 +01 40 57.2 r Y00
2015-09-04 00:42:55 C 17 34 01.42 +01 41 08.9 r Y00
2015-09-04 00:50:40 C 17 34 01.72 +01 41 20.1 r Y00
2015-09-04 01:16:51 C 17 34 03.61 +01 41 44.6 u H21
2015-09-04 01:19:22 C 17 34 03.74 +01 41 48.3 u H21
2015-09-04 01:21:52 C 17 34 03.86 +01 41 51.9 u H21
2015-09-04 01:24:23 C 17 34 03.98 +01 41 55.5 u H21
2015-09-04 01:32:12 C 17 34 04.35 +01 42 06.6 u H21
2015-09-04 01:39:44 C 17 34 04.74 +01 42 17.9 u H21
2015-09-04 01:44:30 C 17 34 04.97 +01 42 24.7 u H21
2015-09-05 01:05:17 C 17 35 18.67 +02 15 51.1 u H21
2015-09-05 01:08:08 C 17 35 18.81 +02 15 55.0 u H21
2015-09-05 01:11:11 C 17 35 18.97 +02 15 59.2 u H21
2015-09-05 01:14:04 C 17 35 19.11 +02 16 03.5 u H21
2015-09-05 01:17:03 C 17 35 19.26 +02 16 07.7 u H21