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
2022-11-17 08:50:46 C 08 32 01.795 +66 47 05.75 V 703
2022-11-17 08:58:04 C 08 32 01.205 +66 47 06.76 V 703
2022-11-17 09:05:23 C 08 32 00.618 +66 47 07.98 V 703
2022-11-17 09:12:43 C 08 32 00.071 +66 47 09.42 V 703
2022-11-18 11:13:56 C 08 29 58.89 +66 50 57.1 V I41
2022-11-18 11:48:46 C 08 29 55.91 +66 51 02.3 V I41
2022-11-18 12:39:39 C 08 29 52.380 +66 51 09.76 V T08
2022-11-18 12:42:19 C 08 29 52.121 +66 51 10.26 V T08
2022-11-18 12:46:58 C 08 29 51.742 +66 51 10.94 V T08
2022-11-18 12:48:58 C 08 29 51.581 +66 51 11.12 V T08
2022-11-18 13:19:44 C 08 29 48.905 +66 51 16.16 V T08
2022-11-18 13:21:05 C 08 29 48.814 +66 51 16.38 V T08
2022-11-18 13:27:45 C 08 29 48.218 +66 51 17.42 V T08
2022-11-20 07:47:54 C 08 26 08.117 +66 56 57.91 V 703
2022-11-20 07:55:51 C 08 26 07.393 +66 56 58.67 V 703
2022-11-20 08:03:48 C 08 26 06.551 +66 57 00.11 V 703
2022-11-20 08:11:45 C 08 26 05.802 +66 57 01.58 V 703
2022-11-20 08:15:51 C 08 26 05.46 +66 57 01.5 V I41
2022-11-20 09:13:05 C 08 25 59.97 +66 57 10.1 V I41
2022-11-22 08:23:39 C 08 21 19.32 +67 02 45.8 V I41
2022-11-22 09:20:38 C 08 21 13.18 +67 02 54.0 V I41
2022-11-22 13:45:33 C 08 20 44.520 +67 03 25.38 V T08
2022-11-22 13:48:54 C 08 20 44.148 +67 03 25.74 V T08
2022-11-22 14:03:30 C 08 20 42.506 +67 03 27.43 V T08
2022-11-22 14:10:50 C 08 20 41.693 +67 03 28.33 V T08
2022-11-23 08:19:09 C 08 18 43.254 +67 05 14.68 V 703
2022-11-23 09:18:59 C 08 18 36.313 +67 05 21.77 V 703
2022-11-23 09:26:48 C 08 18 35.399 +67 05 22.34 V 703
2022-11-25 10:20:28 C 08 12 46.53 +67 09 19.6 V I41
2022-11-25 10:53:41 C 08 12 42.21 +67 09 21.8 V I41
2022-11-26 07:10:10 C 08 10 07.097 +67 10 27.37 V 703
2022-11-26 07:17:19 C 08 10 06.136 +67 10 27.91 V 703
2022-11-26 07:24:29 C 08 10 05.167 +67 10 28.56 V 703
2022-11-26 07:31:40 C 08 10 04.213 +67 10 28.92 V 703
2022-11-26 13:03:34 C 08 09 19.858 +67 10 48.11 V T08
2022-11-26 13:06:14 C 08 09 19.517 +67 10 48.40 V T08
2022-11-26 13:10:14 C 08 09 18.974 +67 10 48.50 V T08
2022-11-26 13:26:56 C 08 09 16.646 +67 10 49.37 V T08
2022-11-29 06:51:33 C 08 00 04.475 +67 11 40.92 V 703
2022-11-29 06:59:24 C 08 00 03.262 +67 11 40.88 V 703
2022-11-29 07:07:15 C 08 00 02.045 +67 11 40.99 V 703
2022-11-29 07:15:07 C 08 00 00.882 +67 11 41.21 V 703
2022-12-02 10:39:47 C 07 48 04.954 +67 07 09.84 V 703
2022-12-02 10:48:33 C 07 48 03.463 +67 07 08.98 V 703
2022-12-02 10:56:42 C 07 48 02.048 +67 07 08.08 V 703
2022-12-02 11:04:42 C 07 48 00.680 +67 07 07.21 V 703
2022-12-02 12:18:50 C 07 47 48.979 +67 07 00.44 V T05
2022-12-02 12:21:27 C 07 47 48.528 +67 07 00.01 V T05
2022-12-02 12:50:49 C 07 47 43.469 +67 06 57.17 V T05
2022-12-02 12:56:02 C 07 47 42.552 +67 06 56.56 V T05