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
2023-01-09 05:56:20 C 05 23 46.561 +53 54 42.77 V G96
2023-01-09 06:03:55 C 05 23 45.924 +53 54 31.82 V G96
2023-01-09 06:11:29 C 05 23 45.294 +53 54 21.28 V G96
2023-01-09 06:50:41 C 05 23 41.971 +53 53 24.29 V 703
2023-01-09 06:59:06 C 05 23 41.348 +53 53 11.87 V 703
2023-01-09 07:07:32 C 05 23 40.592 +53 52 59.77 V 703
2023-01-09 07:15:57 C 05 23 39.887 +53 52 47.53 V 703
2023-01-09 18:50:17 C 05 22 44.60 +53 36 01.6 V D29
2023-01-09 19:03:59 C 05 22 43.52 +53 35 41.5 V D29
2023-01-09 19:17:40 C 05 22 42.44 +53 35 21.5 V D29
2023-01-10 16:50:27 C 05 21 04.93 +53 04 13.1 V D29
2023-01-10 17:06:49 C 05 21 03.69 +53 03 49.2 V D29
2023-01-10 17:23:10 C 05 21 02.45 +53 03 25.1 V D29
2023-01-11 17:56:03 C 05 19 17.81 +52 27 47.6 V D29
2023-01-11 18:13:45 C 05 19 16.56 +52 27 21.4 V D29
2023-01-11 18:31:27 C 05 19 15.32 +52 26 55.3 V D29
2023-01-14 22:42:42 C 05 14 34.84 +50 36 22.0 X M48
2023-01-14 23:26:25 C 05 14 32.36 +50 35 18.3 X M48
2023-01-14 23:44:07 C 05 14 31.35 +50 34 52.1 X M48
2023-01-15 08:46:38 C 05 14 02.604 +50 21 50.98 V T05
2023-01-15 08:51:52 C 05 14 02.304 +50 21 43.49 V T05
2023-01-15 09:32:18 C 05 14 00.038 +50 20 44.70 V T05
2023-01-15 09:42:46 C 05 13 59.443 +50 20 29.40 V T05
2023-01-15 20:07:30 C 05 13 27.51 +50 05 24.5 X M48
2023-01-15 20:13:30 C 05 13 27.19 +50 05 15.9 X M48
2023-01-15 22:23:58 C 05 13 20.20 +50 02 07.0 X M48
2023-01-16 03:07:31 B 05 13 06.21 +49 55 17.2 V H89
2023-01-16 04:55:58 B 05 13 00.59 +49 52 40.1 V H89
2023-01-16 05:32:00 B 05 12 58.74 +49 51 47.6 V H89
2023-01-17 18:36:05 C 05 11 16.548 +48 58 31.55 X B72
2023-01-17 18:40:20 C 05 11 16.366 +48 58 25.50 X B72
2023-01-17 18:44:35 C 05 11 16.169 +48 58 19.63 X B72
2023-01-18 17:25:25 C 05 10 19.86 +48 25 56.3 V G33
2023-01-18 17:27:09 C 05 10 19.74 +48 25 53.7 V G33
2023-01-18 17:28:56 C 05 10 19.67 +48 25 50.8 V G33
2023-01-18 17:30:39 C 05 10 19.66 +48 25 48.7 V G33
2023-01-18 17:32:18 C 05 10 19.57 +48 25 46.4 V G33
2023-01-18 17:34:05 C 05 10 19.49 +48 25 43.9 V G33
2023-01-23 04:46:45 C 05 06 54.70 +45 55 47.9 V I41
2023-01-23 05:15:29 C 05 06 53.93 +45 55 08.4 V I41
2023-01-23 07:50:58 C 05 06 50.194 +45 51 37.55 V T05
2023-01-23 07:55:32 C 05 06 50.062 +45 51 31.32 V T05
2023-01-23 08:04:39 C 05 06 49.829 +45 51 18.72 V T05
2023-01-23 08:19:43 C 05 06 49.423 +45 50 58.06 V T05
2023-01-29 07:33:52 C 05 04 40.62 +42 41 23.4 V U55
2023-01-29 07:41:38 C 05 04 40.46 +42 41 12.8 V U55
2023-02-04 22:48:37 C 05 04 50.04 +39 28 17.0 X L63
2023-02-04 23:01:26 C 05 04 50.10 +39 28 01.9 X L63
2023-02-04 23:13:45 C 05 04 50.24 +39 27 47.1 X L63
2023-02-07 18:27:19 C 05 05 34.49 +38 12 16.3 X K19