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
2024-12-05 05:53:59 C 21 25 31.219 +46 37 41.56 V T08
2024-12-05 06:08:01 C 21 25 33.317 +46 37 41.30 V T08
2024-12-05 06:12:01 C 21 25 33.907 +46 37 41.20 V T08
2024-12-08 19:50:45 C 21 38 42.698 +46 36 51.98 Z C23
2024-12-08 19:56:57 C 21 38 43.680 +46 36 51.73 Z C23
2024-12-09 05:26:31 C 21 40 12.305 +46 36 46.91 V T08
2024-12-09 05:27:10 C 21 40 12.391 +46 36 46.84 V T08
2024-12-09 05:31:07 C 21 40 13.018 +46 36 46.80 V T08
2024-12-09 05:31:46 C 21 40 13.109 +46 36 46.69 V T08
2024-12-09 05:47:06 C 21 40 15.454 +46 36 46.19 V T08
2024-12-13 06:43:27 C 21 55 33.605 +46 34 10.34 V T08
2024-12-13 06:46:05 C 21 55 34.003 +46 34 10.34 V T08
2024-12-13 07:13:24 C 21 55 38.321 +46 34 08.76 V T08
2024-12-17 06:15:21 C 22 10 58.594 +46 29 43.69 V T05
2024-12-17 06:20:03 C 22 10 59.366 +46 29 43.40 V T05
2024-12-17 06:50:57 C 22 11 04.337 +46 29 41.17 V T08
2024-12-17 06:52:24 C 22 11 04.577 +46 29 41.21 V T05
2024-12-17 07:02:59 C 22 11 06.293 +46 29 40.45 V T05
2024-12-17 07:06:19 C 22 11 06.809 +46 29 39.95 V T08
2024-12-17 07:24:19 C 22 11 09.751 +46 29 38.51 V T08
2024-12-19 05:42:49 C 22 18 44.388 +46 26 44.66 V T05
2024-12-19 05:47:25 C 22 18 45.137 +46 26 44.41 V T05
2024-12-19 06:14:36 C 22 18 49.529 +46 26 41.96 V T05
2024-12-19 06:25:16 C 22 18 51.274 +46 26 41.17 V T05
2024-12-21 05:20:09 C 22 26 35.297 +46 23 11.94 V T08
2024-12-21 05:24:52 C 22 26 36.046 +46 23 11.44 V T08
2024-12-21 05:32:49 C 22 26 37.339 +46 23 10.72 V T08
2024-12-21 05:48:56 C 22 26 39.972 +46 23 09.28 V T08
2024-12-23 05:12:18 C 22 34 31.680 +46 19 03.61 V T05
2024-12-23 05:18:51 C 22 34 32.750 +46 19 02.78 V T05
2024-12-23 05:53:04 C 22 34 38.371 +46 18 59.26 V T05
2024-12-27 05:59:06 C 22 50 42.014 +46 08 54.06 V T05
2024-12-27 06:04:24 C 22 50 42.900 +46 08 53.41 V T05
2024-12-27 06:17:52 C 22 50 45.125 +46 08 51.65 V T05
2024-12-28 19:58:47 C 22 57 05.083 +46 04 11.86 Z C23
2024-12-28 20:01:06 C 22 57 05.414 +46 04 11.86 Z C23
2024-12-28 20:03:07 C 22 57 05.844 +46 04 11.17 Z C23
2024-12-29 05:58:46 C 22 58 45.869 +46 02 59.14 V T08
2024-12-29 06:03:23 C 22 58 46.634 +46 02 58.45 V T08
2024-12-29 06:28:10 C 22 58 50.758 +46 02 54.74 V T08
2024-12-29 06:30:09 C 22 58 51.096 +46 02 54.53 V T08
2024-12-29 06:46:48 C 22 58 53.870 +46 02 52.04 V T08
2024-12-31 05:41:14 C 23 06 47.911 +45 56 31.78 V T05
2024-12-31 05:51:47 C 23 06 49.654 +45 56 29.87 V T05
2024-12-31 06:06:31 C 23 06 52.118 +45 56 27.71 V T05
2025-01-02 05:51:29 C 23 14 55.054 +45 49 25.36 V T08
2025-01-02 06:04:52 C 23 14 57.288 +45 49 23.09 V T08
2025-01-02 06:20:46 C 23 14 59.933 +45 49 20.53 V T08
2025-01-02 18:47:57 C 23 17 06.031 +45 47 21.59 Z C23
2025-01-02 18:49:41 C 23 17 06.408 +45 47 21.80 Z C23