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
2021-01-06 19:30:29 C 08 43 35.750 +17 42 15.77 V P07
2021-01-06 20:32:17 C 08 43 30.173 +17 41 40.63 V P07
2021-01-07 07:58:54 C 08 42 29.84 +17 35 09.2 V I41
2021-01-07 07:59:08 C 08 42 29.82 +17 35 09.2 U I41
2021-01-07 08:08:51 C 08 42 28.92 +17 35 03.7 V I41
2021-01-07 08:09:04 C 08 42 28.92 +17 35 03.7 U I41
2021-01-07 08:39:36 C 08 42 26.13 +17 34 46.4 V I41
2021-01-07 08:39:51 C 08 42 26.13 +17 34 46.5 U I41
2021-01-07 08:42:22 C 08 42 26.22 +17 34 46.3 V T08
2021-01-07 08:59:26 C 08 42 24.32 +17 34 35.4 V I41
2021-01-07 09:04:29 C 08 42 23.86 +17 34 32.6 V I41
2021-01-07 09:04:45 C 08 42 23.86 +17 34 32.6 U I41
2021-01-07 09:18:43 C 08 42 22.92 +17 34 26.0 V T08
2021-01-07 09:23:22 C 08 42 22.50 +17 34 23.5 V T08
2021-01-07 09:36:13 C 08 42 20.97 +17 34 14.7 V I41
2021-01-07 09:36:29 C 08 42 20.97 +17 34 14.7 U I41
2021-01-07 10:04:39 C 08 42 18.75 +17 34 00.6 V T08
2021-01-08 07:42:44 C 08 40 22.48 +17 21 48.1 V I41
2021-01-08 08:56:32 C 08 40 15.69 +17 21 06.6 V I41
2021-01-08 10:44:17 C 08 40 05.76 +17 20 05.6 V I41
2021-01-08 13:26:29 C 08 39 51.116 +17 18 35.88 U F52
2021-01-08 13:44:11 C 08 39 49.480 +17 18 25.81 U F52
2021-01-08 14:19:29 C 08 39 46.224 +17 18 05.69 U F52
2021-01-09 09:22:25 C 08 38 02.73 +17 07 17.2 V G96
2021-01-09 09:30:01 C 08 38 02.03 +17 07 12.9 V G96
2021-01-09 09:37:34 C 08 38 01.33 +17 07 08.6 V G96
2021-01-09 09:45:08 C 08 38 00.61 +17 07 04.3 V G96
2021-01-09 10:42:16 C 08 37 55.72 +17 06 33.9 V T05
2021-01-09 10:52:13 C 08 37 54.77 +17 06 28.0 V T05
2021-01-09 10:53:32 C 08 37 54.62 +17 06 27.0 V T05
2021-01-09 10:57:29 C 08 37 54.25 +17 06 24.8 V T05
2021-01-09 11:02:06 C 08 37 53.82 +17 06 22.3 V T05
2021-01-10 07:07:32 C 08 36 03.42 +16 54 54.8 V 703
2021-01-10 07:15:06 C 08 36 02.71 +16 54 50.3 V 703
2021-01-10 07:22:41 C 08 36 02.01 +16 54 46.2 V 703
2021-01-10 07:30:15 C 08 36 01.29 +16 54 41.9 V 703
2021-01-11 05:39:18 C 08 33 58.64 +16 42 01.8 U I41
2021-01-11 06:50:09 C 08 33 51.95 +16 41 21.7 U I41
2021-01-11 08:00:04 C 08 33 45.32 +16 40 41.8 U I41
2021-01-11 09:00:18 C 08 33 39.60 +16 40 07.4 U I41
2021-01-11 09:05:18 C 08 33 39.13 +16 40 04.5 U I41
2021-01-11 09:34:38 C 08 33 36.34 +16 39 47.8 U I41
2021-01-12 06:37:31 C 08 31 38.86 +16 27 42.6 U I41
2021-01-12 07:42:15 C 08 31 32.68 +16 27 05.7 U I41
2021-01-12 08:36:09 C 08 31 27.52 +16 26 34.6 U I41
2021-01-12 10:10:41 C 08 31 18.48 +16 25 40.2 U I41
2021-01-12 10:48:11 C 08 31 14.90 +16 25 18.6 U I41
2021-01-13 07:10:19 C 08 29 20.45 +16 13 34.7 U I41
2021-01-13 07:36:36 C 08 29 17.93 +16 13 19.6 U I41
2021-01-13 08:42:17 C 08 29 11.60 +16 12 41.7 U I41