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
2024-07-28 22:56:23 B 20 57 51.421 +22 02 07.81 X B72
2024-07-28 22:57:09 B 20 57 51.274 +22 02 10.45 X B72
2024-07-28 23:50:05 B 20 57 41.618 +22 05 18.31 V L65
2024-07-28 23:54:16 B 20 57 40.855 +22 05 33.22 V L65
2024-07-28 23:58:28 B 20 57 40.099 +22 05 48.16 V L65
2024-07-29 02:43:52 B 20 57 12.014 +22 15 35.53 X V72
2024-07-29 02:54:50 B 20 57 09.982 +22 16 16.03 X V72
2024-07-29 03:10:14 B 20 57 07.193 +22 17 11.11 X V72
2024-07-29 10:54:51 C 20 55 43.582 +22 44 39.91 V T08
2024-07-29 11:04:28 C 20 55 41.801 +22 45 13.64 V T08
2024-07-29 11:06:27 C 20 55 41.431 +22 45 20.63 V T08
2024-07-29 11:09:28 C 20 55 40.877 +22 45 31.18 V T08
2024-07-29 11:53:58 C 20 55 32.640 +22 48 06.73 V T08
2024-07-29 11:56:14 C 20 55 32.222 +22 48 14.69 V T08
2024-07-29 19:48:50 C 20 54 09.47 +23 15 26.2 X G02
2024-07-29 19:55:32 C 20 54 08.25 +23 15 49.6 X G02
2024-07-29 20:01:59 C 20 54 07.08 +23 16 12.1 X G02
2024-07-29 21:19:36 C 20 53 53.177 +23 20 40.24 Z C23
2024-07-29 21:53:46 C 20 53 46.61 +23 22 40.6 M32
2024-07-29 21:55:29 C 20 53 46.29 +23 22 46.6 M32
2024-07-29 21:57:12 C 20 53 45.98 +23 22 52.5 M32
2024-07-29 21:58:57 C 20 53 45.66 +23 22 58.6 M32
2024-07-29 22:00:40 C 20 53 45.34 +23 23 04.4 M32
2024-07-29 22:02:23 C 20 53 45.03 +23 23 10.5 M32
2024-07-29 22:04:08 C 20 53 44.71 +23 23 16.5 M32
2024-07-29 22:10:24 C 20 53 43.384 +23 23 38.93 V 089
2024-07-29 22:11:38 C 20 53 43.141 +23 23 43.34 V 089
2024-07-29 22:13:16 C 20 53 42.846 +23 23 48.60 V 089
2024-07-29 22:13:41 C 20 53 43.265 +23 23 47.87 Z C23
2024-07-29 22:14:30 C 20 53 42.615 +23 23 53.30 V 089
2024-07-29 22:16:08 C 20 53 42.319 +23 23 58.48 V 089
2024-07-29 22:17:22 C 20 53 42.082 +23 24 03.65 V 089
2024-07-29 22:19:00 C 20 53 41.803 +23 24 08.50 V 089
2024-07-29 22:24:44 C 20 53 40.739 +23 24 28.10 V 089
2024-07-29 22:25:58 C 20 53 40.512 +23 24 32.85 V 089
2024-07-29 22:27:36 C 20 53 40.209 +23 24 38.13 V 089
2024-07-29 22:30:28 C 20 53 39.679 +23 24 48.08 V 089
2024-07-29 22:33:45 B 20 53 39.75 +23 24 58.1 q Y84
2024-07-29 22:39:00 B 20 53 38.79 +23 25 16.3 q Y84
2024-07-29 22:44:14 B 20 53 37.84 +23 25 34.4 q Y84
2024-07-30 10:54:00 C 20 51 26.916 +24 07 21.50 V T05
2024-07-30 11:44:12 C 20 51 17.578 +24 10 11.24 V T05
2024-07-30 11:48:21 C 20 51 16.802 +24 10 25.28 V T05
2024-07-30 11:56:10 C 20 51 15.353 +24 10 51.60 V T05
2024-07-30 20:24:05 C 20 49 45.65 +24 39 07.1 M32
2024-07-30 20:26:40 C 20 49 45.17 +24 39 15.8 M32
2024-07-30 20:29:16 C 20 49 44.70 +24 39 24.5 M32
2024-07-30 20:31:50 C 20 49 44.22 +24 39 33.1 M32
2024-07-30 20:34:27 C 20 49 43.74 +24 39 41.8 M32
2024-07-30 21:31:53 C 20 49 33.506 +24 42 52.52 Z C23