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
2021-02-06 09:42:23 C 07 37 45.86 +10 50 21.9 V T05
2021-02-06 10:05:47 C 07 37 44.08 +10 50 10.2 V T05
2021-02-06 10:15:06 C 07 37 43.37 +10 50 05.6 V T05
2021-02-07 05:23:50 C 07 36 19.53 +10 40 30.7 V U55
2021-02-07 05:30:09 C 07 36 19.04 +10 40 27.6 V U55
2021-02-07 05:36:34 C 07 36 18.56 +10 40 24.4 V U55
2021-02-07 10:38:22 C 07 35 56.45 +10 37 58.9 V T08
2021-02-07 11:04:19 C 07 35 54.54 +10 37 46.2 V T08
2021-02-07 11:08:57 C 07 35 54.20 +10 37 43.8 V T08
2021-02-07 11:33:06 C 07 35 52.42 +10 37 31.5 V T08
2021-02-08 08:34:53 C 07 34 23.04 +10 27 15.5 V T08
2021-02-08 08:41:42 C 07 34 22.56 +10 27 12.0 V T08
2021-02-08 08:50:12 C 07 34 21.92 +10 27 08.0 V T08
2021-02-08 08:56:23 C 07 34 21.48 +10 27 04.9 V T08
2021-02-08 09:36:20 C 07 34 18.60 +10 26 45.6 V T08
2021-02-08 09:41:00 C 07 34 18.26 +10 26 43.3 V T08
2021-02-08 10:21:40 C 07 34 15.35 +10 26 23.4 V T08
2021-02-08 16:23:49 C 07 33 50.46 +10 23 27.9 q C97
2021-02-08 16:25:02 C 07 33 50.39 +10 23 27.2 q C97
2021-02-08 16:27:29 C 07 33 50.20 +10 23 26.2 q C97
2021-02-10 09:20:21 C 07 31 03.43 +10 03 59.2 V T05
2021-02-10 09:24:58 C 07 31 03.13 +10 03 57.0 V T05
2021-02-10 09:56:46 C 07 31 00.96 +10 03 42.0 V T05
2021-02-10 10:37:35 C 07 30 58.18 +10 03 22.8 V T05
2021-02-12 09:33:42 C 07 27 58.16 +09 41 46.8 V T08
2021-02-12 09:39:09 C 07 27 57.81 +09 41 44.3 V T08
2021-02-12 10:00:00 C 07 27 56.48 +09 41 34.8 V T08
2021-02-12 10:26:04 C 07 27 54.81 +09 41 23.0 V T08
2021-02-13 09:18:55 C 07 26 31.47 +09 31 08.3 V T05
2021-02-13 09:23:33 C 07 26 31.16 +09 31 06.2 V T05
2021-02-13 09:31:28 C 07 26 30.68 +09 31 02.6 V T05
2021-02-13 18:57:48 C 07 25 57.43 +09 26 49.5 V G17
2021-02-13 19:05:52 C 07 25 56.92 +09 26 46.3 V G17
2021-02-13 19:13:57 C 07 25 56.42 +09 26 42.5 V G17
2021-02-14 23:58:20 C 07 24 16.69 +09 14 11.9 V K83
2021-02-15 00:01:29 C 07 24 16.51 +09 14 10.6 V K83
2021-02-15 00:04:39 C 07 24 16.33 +09 14 09.2 V K83
2021-02-15 00:09:53 C 07 24 16.02 +09 14 06.8 V K83
2021-02-16 08:25:33 C 07 22 30.07 +09 00 28.4 V T08
2021-02-16 08:29:39 C 07 22 29.84 +09 00 26.8 V T08
2021-02-16 09:13:49 C 07 22 27.40 +09 00 08.1 V T08
2021-02-16 09:54:44 C 07 22 25.15 +08 59 50.9 V T08
2021-02-17 09:04:14 C 07 21 12.70 +08 50 15.6 V T05
2021-02-17 09:08:52 C 07 21 12.47 +08 50 13.7 V T05
2021-02-17 09:22:07 C 07 21 11.77 +08 50 08.1 V T05
2021-02-17 09:43:26 C 07 21 10.65 +08 49 59.5 V T05
2021-02-19 04:34:45 C 07 19 04.54 +08 32 43.5 U I41
2021-02-19 05:37:28 C 07 19 01.47 +08 32 18.8 U I41
2021-02-20 20:10:56 C 07 17 16.60 +08 17 20.0 V G17
2021-02-20 20:16:16 C 07 17 16.34 +08 17 18.1 V G17