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
2021-02-20 20:21:38 C 07 17 16.12 +08 17 16.4 V G17
2021-02-21 00:55:27 C 07 17 04.38 +08 15 32.3 V W34
2021-02-21 01:07:40 C 07 17 03.82 +08 15 27.9 V W34
2021-02-21 01:18:32 C 07 17 03.34 +08 15 23.7 V W34
2021-02-21 04:58:24 C 07 16 53.76 +08 14 00.9 U I41
2021-02-21 05:05:30 C 07 16 53.44 +08 13 58.1 U I41
2021-02-21 05:50:19 C 07 16 51.44 +08 13 41.1 U I41
2021-02-21 21:13:05 C 07 16 12.65 +08 07 53.8 a 233
2021-02-21 21:19:11 C 07 16 12.38 +08 07 50.6 a 233
2021-02-21 21:25:16 C 07 16 12.11 +08 07 48.8 a 233
2021-02-23 04:33:53 C 07 14 57.51 +07 56 22.8 U I41
2021-02-23 06:05:30 C 07 14 53.82 +07 55 49.6 U I41
2021-02-27 03:56:36 C 07 11 40.42 +07 23 12.5 V U55
2021-02-27 04:02:59 C 07 11 40.21 +07 23 10.5 V U55
2021-02-27 04:09:24 C 07 11 39.95 +07 23 08.6 V U55
2021-02-27 10:46:03 C 07 11 27.70 +07 20 59.6 V T08
2021-02-27 10:50:41 C 07 11 27.54 +07 20 57.9 V T08
2021-02-27 11:00:39 C 07 11 27.24 +07 20 54.7 V T08
2021-02-27 11:20:34 C 07 11 26.64 +07 20 47.6 V T08
2021-03-03 19:06:36 C 07 08 48.70 +06 48 02.4 q K73
2021-03-03 19:12:13 C 07 08 48.72 +06 48 00.6 q K73
2021-03-04 07:07:35 C 07 08 33.74 +06 44 28.9 V T08
2021-03-04 07:31:00 C 07 08 33.23 +06 44 21.6 V T08
2021-03-04 07:38:18 C 07 08 33.06 +06 44 19.4 V T08
2021-03-04 07:59:46 C 07 08 32.60 +06 44 13.1 V T08
2021-03-04 09:22:37 C 07 08 30.79 +06 43 48.1 V T08
2021-03-04 18:37:11 C 07 08 20.20 +06 41 01.4 q K73
2021-03-04 18:59:30 C 07 08 19.59 +06 40 55.3 q K73
2021-03-04 19:22:16 C 07 08 19.27 +06 40 49.2 q K73
2021-03-07 08:06:32 C 07 07 17.44 +06 23 25.2 V T08
2021-03-07 08:11:11 C 07 07 17.36 +06 23 23.6 V T08
2021-03-07 08:27:07 C 07 07 17.13 +06 23 19.5 V T08
2021-03-07 08:36:28 C 07 07 16.96 +06 23 16.6 V T08
2021-03-15 07:05:50 C 07 05 49.96 +05 33 58.5 V T08
2021-03-15 07:11:08 C 07 05 49.95 +05 33 57.4 V T08
2021-03-15 07:40:24 C 07 05 49.88 +05 33 50.0 V T08
2021-03-19 04:07:34 C 07 06 01.17 +05 12 14.6 U I41
2021-03-19 04:38:16 C 07 06 01.29 +05 12 07.7 U I41
2021-03-19 07:15:56 C 07 06 02.06 +05 11 33.3 V T08
2021-03-19 07:20:34 C 07 06 02.08 +05 11 32.3 V T08
2021-03-19 07:28:34 C 07 06 02.11 +05 11 30.4 V T08
2021-03-19 07:43:56 C 07 06 02.17 +05 11 26.8 V T08
2021-03-21 05:30:40 C 07 06 20.08 +05 01 12.5 U I41
2021-03-21 06:54:31 C 07 06 20.67 +05 00 53.8 U I41
2021-03-29 20:05:34 C 07 09 08.25 +04 17 42.9 V K87
2021-03-29 20:08:45 C 07 09 08.28 +04 17 42.2 V K87
2021-03-29 20:11:55 C 07 09 08.35 +04 17 41.5 V K87
2021-03-30 20:00:55 C 07 09 36.10 +04 12 53.2 V K87
2021-03-30 20:04:36 C 07 09 36.18 +04 12 52.5 V K87
2021-03-30 20:08:17 C 07 09 36.26 +04 12 52.2 V K87