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
2014-01-29 02:40:20 C 03 34 31.37 +47 17 59.4 q H45
2014-01-29 02:41:59 C 03 34 31.49 +47 17 57.4 q H45
2014-01-29 02:43:07 C 03 34 31.56 +47 17 56.2 q H45
2014-01-29 02:44:07 C 03 34 31.64 +47 17 54.8 q H45
2014-01-29 02:45:00 C 03 34 31.69 +47 17 53.8 q H45
2014-01-29 02:46:08 C 03 34 31.78 +47 17 52.6 q H45
2014-02-13 03:37:57 C 04 01 01.60 +40 55 10.1 u H21
2014-02-13 03:41:48 C 04 01 01.93 +40 55 06.5 u H21
2014-02-13 03:45:37 C 04 01 02.19 +40 55 02.8 u H21
2014-02-13 03:49:49 C 04 01 02.51 +40 54 59.0 u H21
2014-02-14 02:03:19 C 04 02 41.64 +40 34 25.2 q H45
2014-02-14 02:05:05 C 04 02 41.81 +40 34 23.9 q H45
2014-02-14 02:06:58 C 04 02 41.95 +40 34 22.2 q H45
2014-02-14 02:09:00 C 04 02 42.09 +40 34 20.3 q H45
2014-02-14 02:10:46 C 04 02 42.25 +40 34 18.7 q H45
2014-02-14 02:12:05 C 04 02 42.32 +40 34 17.7 q H45
2014-02-16 12:20:02 C 04 07 01.85 +39 41 55.7 o C94
2014-02-16 12:56:33 C 04 07 04.51 +39 41 24.9 o C94
2014-02-16 13:05:00 C 04 07 05.03 +39 41 16.3 o C94
2014-02-16 13:23:52 C 04 07 06.44 +39 41 00.2 o C94
2014-02-16 14:06:10 C 04 07 09.64 +39 40 23.6 o C94
2014-03-04 16:21:10 C 04 36 05.49 +34 41 43.7 r 168
2014-03-04 16:28:41 C 04 36 06.00 +34 41 38.6 r 168
2014-03-04 19:07:21 C 04 36 17.89 +34 39 49.7 r 168
2014-03-04 19:11:21 C 04 36 18.22 +34 39 47.7 r 168
2014-03-04 19:26:37 C 04 36 19.47 +34 39 40.3 q Z81
2014-03-04 20:08:21 C 04 36 22.51 +34 39 12.1 q Z81
2014-03-04 20:21:40 C 04 36 23.54 +34 39 02.7 q Z81
2014-03-07 20:05:24 C 04 41 48.08 +33 51 38.1 q Z81
2014-03-07 20:34:18 C 04 41 50.10 +33 51 19.5 q Z81
2014-03-07 20:49:59 C 04 41 51.34 +33 51 09.2 q Z81
2014-03-08 20:23:13 C 04 43 37.96 +33 36 03.1 q 046
2014-03-08 20:25:04 C 04 43 38.14 +33 36 00.8 q 046
2014-03-09 18:58:44 C 04 45 20.41 +33 21 45.1 o 639
2014-03-09 19:06:34 C 04 45 21.00 +33 21 39.8 o 639
2014-03-09 19:13:14 C 04 45 21.48 +33 21 35.6 o 639
2014-03-09 20:18:00 C 04 45 26.38 +33 20 54.4 q 046
2014-03-09 20:19:59 C 04 45 26.47 +33 20 53.4 q 046
2014-03-09 20:21:55 C 04 45 26.66 +33 20 52.6 q 046
2014-03-09 20:27:41 C 04 45 27.10 +33 20 48.9 q 046
2014-03-11 01:43:17 C 04 47 39.70 +33 02 38.1 q H45
2014-03-11 01:45:48 C 04 47 39.90 +33 02 36.5 q H45
2014-03-11 01:47:27 C 04 47 39.98 +33 02 35.0 q H45
2014-03-11 01:49:12 C 04 47 40.13 +33 02 34.3 q H45
2014-03-11 01:52:18 C 04 47 40.36 +33 02 32.4 q H45
2014-03-11 01:57:31 C 04 47 40.72 +33 02 29.5 q H45
2014-03-12 20:38:53 C 04 50 54.17 +32 36 27.8 o 639
2014-03-12 20:47:26 C 04 50 54.80 +32 36 22.4 o 639
2014-03-12 20:54:44 C 04 50 55.33 +32 36 18.3 o 639
2014-03-15 01:18:16 C 04 54 52.96 +32 05 16.3 u H21