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
2020-12-24 07:51:08 C 09 08 35.16 +20 34 31.1 V 703
2020-12-24 07:58:40 C 09 08 34.67 +20 34 27.6 V 703
2020-12-24 08:06:12 C 09 08 34.16 +20 34 23.6 V 703
2020-12-24 08:13:46 C 09 08 33.67 +20 34 19.8 V 703
2020-12-24 11:28:48 C 09 08 21.12 +20 32 42.8 V T05
2020-12-24 11:35:07 C 09 08 20.68 +20 32 39.6 V T05
2020-12-24 11:49:47 C 09 08 19.72 +20 32 32.2 V T05
2020-12-24 12:02:54 C 09 08 18.84 +20 32 25.7 V T05
2020-12-26 06:46:34 C 09 05 28.48 +20 10 37.1 V G96
2020-12-26 06:54:01 C 09 05 27.96 +20 10 33.4 V G96
2020-12-26 07:01:28 C 09 05 27.45 +20 10 29.6 V G96
2020-12-26 07:08:55 C 09 05 26.93 +20 10 25.9 V G96
2020-12-26 11:21:10 C 09 05 09.53 +20 08 18.5 V T08
2020-12-26 11:29:08 C 09 05 08.97 +20 08 14.3 V T08
2020-12-26 11:45:34 C 09 05 07.80 +20 08 05.9 V T08
2020-12-26 11:50:23 C 09 05 07.45 +20 08 03.5 V T08
2020-12-27 07:09:19 C 09 03 46.93 +19 58 04.2 V 703
2020-12-27 07:17:10 C 09 03 46.36 +19 58 00.3 V 703
2020-12-27 07:25:00 C 09 03 45.79 +19 57 56.1 V 703
2020-12-27 07:32:51 C 09 03 45.17 +19 57 51.6 V 703
2021-01-03 07:15:21 C 08 50 49.81 +18 28 42.0 V I41
2021-01-03 07:15:36 C 08 50 49.81 +18 28 42.1 U I41
2021-01-03 08:09:31 C 08 50 45.18 +18 28 12.8 V I41
2021-01-03 08:09:46 C 08 50 45.21 +18 28 12.8 U I41
2021-01-03 08:10:52 C 08 50 45.10 +18 28 12.0 V I41
2021-01-03 10:08:11 C 08 50 35.10 +18 27 08.1 V I41
2021-01-03 10:08:25 C 08 50 35.10 +18 27 08.2 U I41
2021-01-03 11:04:29 C 08 50 30.36 +18 26 37.5 V I41
2021-01-03 11:04:43 C 08 50 30.29 +18 26 37.3 U I41
2021-01-03 13:36:43 C 08 50 17.59 +18 25 16.2 V T08
2021-01-03 13:40:43 C 08 50 17.24 +18 25 13.7 V T08
2021-01-03 13:50:29 C 08 50 16.40 +18 25 08.4 V T08
2021-01-03 14:10:00 C 08 50 14.73 +18 24 57.7 V T08
2021-01-04 07:56:47 C 08 48 45.37 +18 15 10.7 U I41
2021-01-04 08:58:56 C 08 48 39.96 +18 14 36.3 V 703
2021-01-04 09:06:52 C 08 48 39.28 +18 14 32.1 V 703
2021-01-04 09:11:34 C 08 48 38.88 +18 14 29.7 U I41
2021-01-04 09:14:47 C 08 48 38.57 +18 14 27.8 V 703
2021-01-04 09:22:43 C 08 48 37.90 +18 14 23.4 V 703
2021-01-04 11:10:45 C 08 48 28.53 +18 13 23.9 U I41
2021-01-04 11:36:25 C 08 48 26.30 +18 13 09.8 U I41
2021-01-05 06:58:53 C 08 46 47.36 +18 02 27.7 U I41
2021-01-05 08:07:55 C 08 46 41.28 +18 01 49.7 U I41
2021-01-05 08:09:16 C 08 46 41.16 +18 01 49.0 U I41
2021-01-06 08:00:21 C 08 44 36.79 +17 48 33.4 V 703
2021-01-06 08:07:57 C 08 44 36.07 +17 48 29.4 V 703
2021-01-06 08:15:33 C 08 44 35.38 +17 48 25.4 V 703
2021-01-06 08:23:09 C 08 44 34.70 +17 48 21.0 V 703
2021-01-06 16:28:55 C 08 43 52.166 +17 43 57.18 V P07
2021-01-06 17:50:04 C 08 43 44.839 +17 43 11.96 V P07