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
2025-03-20 02:37:39 C 03 44 08.740 +36 56 13.31 V 703
2025-03-20 02:40:52 C 03 44 09.103 +36 56 11.72 V 703
2025-03-20 02:44:04 C 03 44 09.503 +36 56 11.08 V 703
2025-03-20 02:47:17 C 03 44 09.913 +36 56 10.32 V 703
2025-03-24 05:31:54 C 03 55 39.965 +36 22 22.98 V T05
2025-03-24 05:36:28 C 03 55 40.507 +36 22 20.78 V T05
2025-03-24 05:47:43 C 03 55 41.774 +36 22 17.15 V T05
2025-03-24 06:05:59 C 03 55 43.879 +36 22 10.56 V T05
2025-03-25 06:05:28 C 03 58 29.326 +36 13 55.88 V T08
2025-03-25 06:16:25 C 03 58 30.540 +36 13 52.10 V T08
2025-03-25 06:20:28 C 03 58 30.998 +36 13 50.84 V T08
2025-03-25 06:44:05 C 03 58 33.689 +36 13 41.99 V T08
2025-03-27 05:32:55 C 04 03 54.139 +35 57 36.04 V T05
2025-03-27 05:37:29 C 04 03 54.684 +35 57 34.42 V T05
2025-03-27 05:48:42 C 04 03 55.925 +35 57 29.99 V T05
2025-03-27 06:06:50 C 04 03 57.974 +35 57 23.83 V T05
2025-03-28 05:34:59 C 04 06 37.428 +35 49 17.87 V T05
2025-03-28 05:42:14 C 04 06 38.256 +35 49 15.42 V T05
2025-03-28 05:50:07 C 04 06 39.132 +35 49 12.40 V T05
2025-03-28 06:09:22 C 04 06 41.246 +35 49 04.15 V T05
2025-11-02 14:57:07 C 11 00 39.821 -13 24 41.72 V T05
2025-11-02 15:08:30 C 11 00 40.438 -13 24 51.19 V T05
2025-11-02 15:15:18 C 11 00 40.858 -13 24 57.74 V T05
2025-11-02 15:31:12 C 11 00 41.717 -13 25 12.40 V T05
2025-11-26 14:13:36 C 11 32 58.363 -22 24 02.63 V T05
2025-11-26 14:18:12 C 11 32 58.548 -22 24 08.14 V T05
2025-11-26 14:27:24 C 11 32 59.066 -22 24 17.14 V T05
2025-11-26 14:44:19 C 11 32 59.947 -22 24 34.42 V T05
2025-11-27 14:34:43 C 11 34 16.711 -22 48 12.35 V T05
2025-11-27 14:39:21 C 11 34 16.987 -22 48 17.14 V T05
2025-11-27 14:47:56 C 11 34 17.410 -22 48 26.03 V T05
2025-11-27 15:13:45 C 11 34 18.768 -22 48 51.05 V T05
2025-12-01 01:38:05 C 11 38 41.328 -24 11 21.55 V M22
2025-12-01 01:43:17 C 11 38 41.570 -24 11 27.53 V M22
2025-12-01 01:52:27 C 11 38 42.077 -24 11 36.20 V M22
2025-12-01 02:05:36 C 11 38 42.756 -24 11 49.67 V M22
2025-12-09 13:49:05 C 11 49 12.751 -27 41 31.31 V T05
2025-12-09 13:55:40 C 11 49 13.164 -27 41 37.03 V T05
2025-12-09 14:13:21 C 11 49 13.985 -27 41 56.40 V T05
2025-12-09 14:21:15 C 11 49 14.386 -27 42 04.50 V T05
2025-12-11 07:50:49 C 11 51 19.046 -28 25 41.74 V W68
2025-12-11 07:59:27 C 11 51 19.486 -28 25 50.34 V W68
2025-12-11 08:05:28 C 11 51 19.740 -28 25 56.46 V W68
2025-12-11 08:14:56 C 11 51 20.254 -28 26 07.26 V W68
2025-12-14 14:53:43 C 11 55 12.504 -29 49 52.18 V T05
2025-12-14 14:58:18 C 11 55 12.773 -29 49 56.32 V T05
2025-12-14 15:10:11 C 11 55 13.337 -29 50 09.96 V T05
2025-12-14 15:39:13 C 11 55 14.700 -29 50 41.21 V T05
2025-12-16 02:00:06 C 11 56 54.557 -30 27 32.08 V M22
2025-12-16 02:03:31 C 11 56 54.727 -30 27 36.00 V M22