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
2024-09-13 17:56:59 C 18 50 01.946 +45 55 58.55 V 088
2024-09-13 17:57:35 C 18 50 01.951 +45 55 58.44 V 088
2024-09-13 17:58:12 C 18 50 01.930 +45 55 58.66 V 088
2024-09-13 17:58:49 C 18 50 01.927 +45 55 58.62 V 088
2024-09-13 17:59:35 C 18 50 01.925 +45 55 59.09 V 088
2024-09-13 18:00:23 C 18 50 01.884 +45 55 58.84 V 088
2024-09-13 18:17:39 C 18 50 01.30 +45 55 53.6 q 168
2024-09-14 06:57:25 C 18 49 47.803 +45 57 26.96 V T05
2024-09-14 07:01:59 C 18 49 47.707 +45 57 27.36 V T05
2024-09-14 07:29:37 C 18 49 47.098 +45 57 29.99 V T05
2024-09-14 07:38:05 C 18 49 46.922 +45 57 30.67 V T05
2024-09-14 19:36:13 B 18 49 35.95 +45 58 40.6 q Y84
2024-09-14 19:40:28 B 18 49 35.85 +45 58 41.1 q Y84
2024-09-14 19:44:40 B 18 49 35.78 +45 58 41.5 q Y84
2024-09-16 07:20:30 C 18 49 08.234 +46 02 05.50 V T08
2024-09-16 07:25:23 C 18 49 08.167 +46 02 05.86 V T08
2024-09-16 07:34:58 C 18 49 08.030 +46 02 06.58 V T08
2024-09-16 07:49:21 C 18 49 07.814 +46 02 07.37 V T08
2024-09-17 20:44:13 B 18 48 51.14 +46 04 53.6 q Y84
2024-09-17 22:38:53 B 18 48 50.24 +46 04 59.7 q Y84
2024-09-18 00:34:58 B 18 48 49.52 +46 05 05.2 q Y84
2024-09-18 07:31:02 C 18 48 47.940 +46 05 42.76 V T05
2024-09-18 07:35:36 C 18 48 47.911 +46 05 42.94 V T05
2024-09-18 07:44:47 C 18 48 47.834 +46 05 43.33 V T05
2024-09-18 08:15:38 C 18 48 47.604 +46 05 44.66 V T05
2024-09-18 19:46:12 C 18 48 46.106 +46 06 23.36 Z C23
2024-09-18 20:02:04 C 18 48 45.924 +46 06 25.02 Z C23
2024-09-18 20:27:50 C 18 48 45.854 +46 06 26.32 Z C23
2024-09-20 01:11:52 C 18 48 45.40 +46 08 06.9 V W53
2024-09-20 01:22:37 C 18 48 45.38 +46 08 07.2 V W53
2024-09-20 01:34:08 C 18 48 45.35 +46 08 07.8 V W53
2024-09-20 03:08:57 C 18 48 45.23 +46 08 10.3 V W53
2024-09-20 03:19:46 C 18 48 45.21 +46 08 10.8 V W53
2024-09-20 03:31:21 C 18 48 45.21 +46 08 11.2 V W53
2024-09-20 19:48:37 C 18 48 48.415 +46 08 58.99 Z C23
2024-09-20 19:58:40 B 18 48 48.370 +46 08 59.24 X K35
2024-09-20 20:00:44 B 18 48 48.379 +46 08 59.39 X K35
2024-09-20 20:01:46 B 18 48 48.374 +46 08 59.50 X K35
2024-09-20 20:02:49 B 18 48 48.394 +46 08 59.53 X K35
2024-09-20 20:03:51 B 18 48 48.386 +46 08 59.60 X K35
2024-09-20 20:04:51 B 18 48 48.398 +46 08 59.57 X K35
2024-09-20 20:05:53 B 18 48 48.382 +46 08 59.64 X K35
2024-09-20 20:06:56 B 18 48 48.384 +46 08 59.53 X K35
2024-09-20 20:47:31 C 18 48 48.454 +46 09 00.90 Z C23
2024-09-20 21:36:20 C 18 48 48.552 +46 09 02.34 Z C23
2024-09-23 19:57:21 C 18 49 23.906 +46 11 35.74 Z C23
2024-09-23 20:41:03 C 18 49 24.310 +46 11 36.38 Z C23
2024-09-23 21:51:22 C 18 49 25.133 +46 11 38.08 Z C23
2024-09-24 08:05:20 C 18 49 33.074 +46 11 58.81 V T05
2024-09-24 08:09:54 C 18 49 33.120 +46 11 58.74 V T05