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
2025-01-02 18:50:51 C 23 17 06.703 +45 47 21.62 Z C23
2025-01-03 18:00:52 B 23 21 01.04 +45 43 40.9 q Y84
2025-01-03 18:07:45 B 23 21 02.16 +45 43 39.5 q Y84
2025-01-03 18:14:37 B 23 21 03.30 +45 43 38.2 q Y84
2025-01-04 05:12:16 C 23 22 53.964 +45 41 53.23 V T05
2025-01-04 05:16:55 C 23 22 54.751 +45 41 52.40 V T05
2025-01-04 05:36:52 C 23 22 58.049 +45 41 48.80 V T05
2025-01-04 05:58:19 C 23 23 01.625 +45 41 45.20 V T05
2025-01-05 02:32:04 C 23 26 29.533 +45 38 17.20 V G96
2025-01-05 02:39:35 C 23 26 30.790 +45 38 15.83 V G96
2025-01-05 02:47:07 C 23 26 32.039 +45 38 14.53 V G96
2025-01-05 02:54:37 C 23 26 33.292 +45 38 13.06 V G96
2025-01-06 05:52:09 C 23 31 05.503 +45 33 33.70 V T08
2025-01-06 05:58:49 C 23 31 06.600 +45 33 32.40 V T08
2025-01-06 06:12:52 C 23 31 08.940 +45 33 29.70 V T08
2025-01-06 06:37:35 C 23 31 13.054 +45 33 24.88 V T08
2025-01-08 05:02:59 C 23 39 01.234 +45 24 57.60 V T05
2025-01-08 05:08:22 C 23 39 02.126 +45 24 56.63 V T05
2025-01-08 05:26:59 C 23 39 05.198 +45 24 52.85 V T05
2025-01-08 05:45:05 C 23 39 08.215 +45 24 49.36 V T05
2025-01-10 05:44:47 C 23 47 10.519 +45 15 30.96 V T08
2025-01-10 05:50:46 C 23 47 11.498 +45 15 29.63 V T08
2025-01-10 06:19:03 C 23 47 16.183 +45 15 23.65 V T05
2025-01-10 06:26:22 C 23 47 17.412 +45 15 22.10 V T08
2025-01-10 06:34:14 C 23 47 18.703 +45 15 20.27 V T05
2025-01-10 06:42:46 C 23 47 20.134 +45 15 18.50 V T05
2025-01-12 06:30:46 C 23 55 18.557 +45 05 30.30 V T05
2025-01-12 06:35:22 C 23 55 19.327 +45 05 29.22 V T05
2025-01-12 06:45:18 C 23 55 20.930 +45 05 26.99 V T05
2025-01-12 07:02:36 C 23 55 23.825 +45 05 23.10 V T05
2025-01-16 05:43:09 C 00 11 04.291 +44 44 27.67 V T05
2025-01-16 05:48:33 C 00 11 05.170 +44 44 26.27 V T05
2025-01-16 05:58:05 C 00 11 06.732 +44 44 24.00 V T05
2025-01-16 06:13:28 C 00 11 09.228 +44 44 20.18 V T05
2025-01-18 06:55:00 C 00 19 08.390 +44 32 48.95 V T08
2025-01-18 07:12:48 C 00 19 11.285 +44 32 44.52 V T08
2025-01-18 07:45:58 C 00 19 16.663 +44 32 35.88 V T08
2025-01-18 07:53:10 C 00 19 17.842 +44 32 33.72 V T08
2025-01-20 01:44:40 C 00 26 07.379 +44 22 18.44 V G96
2025-01-20 01:53:00 C 00 26 08.711 +44 22 16.32 V G96
2025-01-20 02:01:18 C 00 26 10.050 +44 22 14.12 V G96
2025-01-20 02:09:37 C 00 26 11.386 +44 22 12.00 V G96
2025-01-20 05:22:04 C 00 26 42.571 +44 21 24.88 V T05
2025-01-20 05:26:39 C 00 26 43.325 +44 21 23.90 V T05
2025-01-20 05:35:15 C 00 26 44.688 +44 21 21.53 V T05
2025-01-22 05:39:23 C 00 34 31.037 +44 09 07.45 V T08
2025-01-22 05:43:22 C 00 34 31.675 +44 09 06.19 V T08
2025-01-22 05:52:01 C 00 34 33.055 +44 09 03.89 V T08
2025-01-22 06:10:04 C 00 34 35.928 +44 08 58.88 V T08
2025-01-22 06:35:28 C 00 34 39.979 +44 08 52.08 V T08