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
2024-08-27 23:05:39 B 19 10 55.77 +43 58 43.1 q Y84
2024-08-28 01:46:22 B 19 10 41.20 +44 00 08.6 q Y84
2024-08-28 01:50:37 B 19 10 40.77 +44 00 10.8 q Y84
2024-08-28 01:54:49 B 19 10 40.39 +44 00 12.8 q Y84
2024-08-28 21:21:19 C 19 09 00.734 +44 10 43.32 Z C23
2024-08-28 21:27:13 C 19 09 00.245 +44 10 46.06 Z C23
2024-08-29 21:23:36 C 19 07 02.592 +44 22 41.63 V A16
2024-08-29 21:44:22 C 19 07 00.883 +44 22 51.13 V A16
2024-08-29 22:05:09 C 19 06 59.177 +44 23 00.74 V A16
2024-08-30 02:39:27 C 19 06 37.66 +44 25 09.8 q X04
2024-08-30 03:11:37 C 19 06 35.05 +44 25 23.9 q X04
2024-08-30 03:42:59 C 19 06 32.49 +44 25 38.5 q X04
2024-08-30 19:47:28 B 19 05 19.046 +44 32 57.98 V 160
2024-08-30 19:53:15 B 19 05 18.588 +44 33 00.58 V 160
2024-08-31 07:42:23 C 19 04 25.793 +44 38 11.80 V T08
2024-08-31 07:46:34 C 19 04 25.438 +44 38 13.49 V T08
2024-08-31 07:55:40 C 19 04 24.727 +44 38 17.45 V T08
2024-08-31 08:17:54 C 19 04 22.982 +44 38 26.45 V T08
2024-08-31 15:45:27 C 19 03 50.45 +44 41 21.3 o D54
2024-08-31 16:14:00 C 19 03 48.37 +44 41 32.0 o D54
2024-09-01 16:24:16 C 19 02 08.29 +44 50 59.6 o D54
2024-09-01 16:41:28 C 19 02 06.96 +44 51 05.0 o D54
2024-09-01 16:57:43 C 19 02 06.63 +44 51 14.6 q 168
2024-09-01 16:58:08 C 19 02 05.83 +44 51 10.9 o D54
2024-09-01 18:03:06 C 19 02 02.05 +44 51 38.4 q 168
2024-09-01 19:35:00 C 19 01 55.72 +44 52 11.1 q 168
2024-09-01 20:30:00 C 19 01 51.97 +44 52 30.2 q 168
2024-09-01 21:30:14 C 19 01 48.307 +44 52 56.71 Z C23
2024-09-01 21:37:01 C 19 01 47.48 +44 52 53.3 q 168
2024-09-01 22:26:54 C 19 01 44.417 +44 53 16.58 Z C23
2024-09-01 23:08:06 C 19 01 41.50 +44 53 24.4 q 168
2024-09-01 23:49:19 C 19 01 38.779 +44 53 44.88 Z C23
2024-09-02 08:05:23 C 19 01 06.982 +44 56 52.98 V T05
2024-09-02 08:09:57 C 19 01 06.662 +44 56 54.46 V T05
2024-09-02 08:17:47 C 19 01 06.122 +44 56 57.12 V T05
2024-09-04 07:40:00 C 18 58 16.877 +45 12 16.06 V T08
2024-09-04 07:44:58 C 18 58 16.577 +45 12 17.42 V T08
2024-09-04 07:55:57 C 18 58 15.907 +45 12 20.48 V T08
2024-09-04 08:11:53 C 18 58 14.940 +45 12 24.95 V T08
2024-09-05 20:01:13 C 18 56 22.90 +45 22 04.6 q 168
2024-09-05 21:09:32 C 18 56 19.47 +45 22 20.5 q 168
2024-09-05 22:13:33 C 18 56 16.35 +45 22 35.3 q 168
2024-09-05 23:05:40 C 18 56 13.86 +45 22 47.2 q 168
2024-09-06 07:38:38 C 18 55 49.666 +45 25 10.31 V T05
2024-09-06 07:45:03 C 18 55 49.337 +45 25 11.78 V T05
2024-09-06 07:56:15 C 18 55 48.737 +45 25 14.34 V T05
2024-09-06 08:12:06 C 18 55 47.921 +45 25 17.83 V T05
2024-09-08 07:31:21 C 18 53 46.265 +45 35 49.56 V T08
2024-09-08 07:36:07 C 18 53 46.058 +45 35 50.50 V T08
2024-09-08 07:43:45 C 18 53 45.720 +45 35 51.86 V T08