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
2020-08-08 11:51:44 C 06 37 54.49 +45 02 34.6 U I41
2020-08-08 11:59:09 C 06 37 55.43 +45 02 32.8 U I41
2020-08-08 12:06:34 C 06 37 56.36 +45 02 30.8 U I41
2020-08-10 11:41:51 C 06 43 53.21 +44 49 15.8 U I41
2020-08-10 11:49:04 C 06 43 54.11 +44 49 13.8 U I41
2020-08-10 11:56:18 C 06 43 54.99 +44 49 11.9 U I41
2020-08-10 12:03:31 C 06 43 55.88 +44 49 09.9 U I41
2020-08-12 11:43:42 C 06 49 47.10 +44 35 09.3 U I41
2020-08-12 11:50:47 C 06 49 47.96 +44 35 07.3 U I41
2020-08-12 11:57:54 C 06 49 48.83 +44 35 05.2 U I41
2020-08-12 12:05:00 C 06 49 49.69 +44 35 03.2 U I41
2020-08-14 11:45:28 C 06 55 34.63 +44 20 20.6 U I41
2020-08-14 11:52:29 C 06 55 35.48 +44 20 18.5 U I41
2020-08-14 11:59:30 C 06 55 36.31 +44 20 16.4 U I41
2020-08-14 12:06:33 C 06 55 37.15 +44 20 14.2 U I41
2020-08-16 11:44:27 C 07 01 15.48 +44 04 53.0 U I41
2020-08-16 11:45:49 C 07 01 15.64 +44 04 52.6 U I41
2020-08-16 11:48:39 C 07 01 15.97 +44 04 51.7 U I41
2020-08-16 11:51:25 C 07 01 16.30 +44 04 50.8 U I41
2020-08-16 11:52:48 C 07 01 16.46 +44 04 50.3 U I41
2020-08-16 11:55:37 C 07 01 16.79 +44 04 49.4 U I41
2020-08-16 11:58:24 C 07 01 17.10 +44 04 48.6 U I41
2020-08-16 11:59:46 C 07 01 17.27 +44 04 48.1 U I41
2020-08-16 12:02:34 C 07 01 17.60 +44 04 47.2 U I41
2020-08-16 12:05:21 C 07 01 17.93 +44 04 46.3 U I41
2020-08-16 12:06:42 C 07 01 18.08 +44 04 45.9 U I41
2020-08-16 12:09:31 C 07 01 18.41 +44 04 45.0 U I41
2020-08-16 12:12:18 C 07 01 18.73 +44 04 44.2 U I41
2020-08-16 12:13:40 C 07 01 18.90 +44 04 43.6 U I41
2020-08-20 11:51:12 C 07 12 18.96 +43 32 04.2 U I41
2020-08-20 11:58:18 C 07 12 19.77 +43 32 01.8 U I41
2020-08-20 12:05:25 C 07 12 20.57 +43 31 59.3 U I41
2020-08-20 12:12:34 C 07 12 21.36 +43 31 56.9 U I41
2020-08-24 11:52:55 C 07 22 56.19 +42 57 03.5 U I41
2020-08-24 11:57:17 C 07 22 56.65 +42 57 01.9 U I41
2020-08-24 12:00:04 C 07 22 56.96 +42 57 00.8 U I41
2020-08-24 12:04:25 C 07 22 57.42 +42 56 59.3 U I41
2020-08-24 12:07:11 C 07 22 57.72 +42 56 58.3 U I41
2020-08-24 12:11:33 C 07 22 58.19 +42 56 56.7 U I41
2020-08-24 12:14:19 C 07 22 58.49 +42 56 55.6 U I41
2020-08-24 12:18:40 C 07 22 58.96 +42 56 54.1 U I41
2020-08-26 11:57:46 C 07 28 05.63 +42 38 46.4 U I41
2020-08-26 11:57:46 C 07 28 05.62 +42 38 46.4 V I41
2020-08-26 12:04:57 C 07 28 06.39 +42 38 43.8 U I41
2020-08-26 12:12:05 C 07 28 07.14 +42 38 41.1 U I41
2020-08-26 12:12:06 C 07 28 07.14 +42 38 41.1 V I41
2020-08-26 12:19:16 C 07 28 07.91 +42 38 38.4 U I41
2020-08-30 11:58:04 C 07 38 04.54 +42 00 54.7 U I41
2020-08-30 12:05:07 C 07 38 05.26 +42 00 52.0 U I41
2020-08-30 12:12:11 C 07 38 05.98 +42 00 49.2 U I41