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
2018-11-08 11:28:41 C 10 06 18.84 +06 48 56.5 V I41
2018-11-08 11:30:55 C 10 06 18.89 +06 48 55.2 V 703
2018-11-08 12:57:02 C 10 06 22.02 +06 47 50.0 V I41
2018-11-10 11:33:02 C 10 08 03.04 +06 12 33.6 V I41
2018-11-10 11:57:08 C 10 08 03.85 +06 12 14.9 V I41
2018-11-10 13:02:00 C 10 08 06.11 +06 11 26.1 V I41
2018-11-10 13:17:45 C 10 08 06.70 +06 11 13.5 V I41
2018-11-11 11:10:21 C 10 08 52.58 +05 54 35.0 V 703
2018-11-11 11:17:53 C 10 08 52.87 +05 54 29.1 V 703
2018-11-11 11:25:25 C 10 08 53.11 +05 54 23.2 V 703
2018-11-11 11:32:58 C 10 08 53.36 +05 54 17.9 V 703
2018-11-12 11:36:10 C 10 09 42.69 +05 35 54.6 V 703
2018-11-12 11:44:02 C 10 09 42.95 +05 35 48.0 V 703
2018-11-12 11:51:54 C 10 09 43.22 +05 35 42.2 V 703
2018-11-12 11:59:46 C 10 09 43.45 +05 35 36.5 V 703
2018-11-14 11:40:37 C 10 11 17.80 +04 58 57.1 V 703
2018-11-14 11:47:10 C 10 11 17.98 +04 58 50.7 V 703
2018-11-14 11:53:41 C 10 11 18.22 +04 58 46.9 V 703
2018-11-14 12:00:13 C 10 11 18.45 +04 58 41.4 V 703
2018-11-16 11:33:08 C 10 12 47.85 +04 21 50.1 V I41
2018-11-16 11:58:37 C 10 12 48.61 +04 21 30.2 V I41
2018-11-17 10:51:57 C 10 13 29.91 +04 03 40.2 V 703
2018-11-17 10:59:38 C 10 13 30.18 +04 03 34.2 V 703
2018-11-17 11:14:58 C 10 13 30.69 +04 03 24.8 V 703
2018-11-18 11:23:22 C 10 14 12.93 +03 44 27.4 V I41
2018-11-18 12:32:17 C 10 14 14.85 +03 43 33.4 V I41
2018-11-19 11:44:24 C 10 14 54.28 +03 25 19.1 V 703
2018-11-19 11:51:30 C 10 14 54.48 +03 25 13.4 V 703
2018-11-19 11:58:36 C 10 14 54.65 +03 25 08.0 V 703
2018-11-19 12:05:42 C 10 14 54.87 +03 25 01.8 V 703
2018-11-21 10:58:36 C 10 16 10.88 +02 47 57.1 V I41
2018-11-21 12:29:20 C 10 16 13.17 +02 46 46.0 V I41
2018-11-25 11:02:30 C 10 18 30.55 +01 31 01.4 U I41
2018-11-25 11:26:15 C 10 18 31.07 +01 30 42.3 U I41
2018-11-25 12:31:39 C 10 18 32.45 +01 29 49.5 U I41
2018-11-25 13:00:08 C 10 18 33.05 +01 29 26.5 U I41
2018-11-26 11:36:49 C 10 19 02.67 +01 11 08.7 V I41
2018-11-26 12:55:59 C 10 19 04.27 +01 10 04.5 V I41
2018-12-04 14:30:19 C 10 22 21.32 -01 29 31.3 U T08
2018-12-04 14:41:54 C 10 22 21.33 -01 29 40.0 U T08
2018-12-04 14:46:54 C 10 22 21.54 -01 29 43.7 U T08
2018-12-04 14:53:45 C 10 22 21.50 -01 29 50.4 U T08
2018-12-04 15:05:33 C 10 22 21.65 -01 29 59.9 U T08
2018-12-04 15:10:28 C 10 22 21.72 -01 30 03.6 U T08
2018-12-04 15:22:31 C 10 22 21.86 -01 30 15.3 U T08
2018-12-06 15:04:36 C 10 22 53.98 -02 10 21.6 U T05
2018-12-06 15:17:25 C 10 22 54.08 -02 10 32.1 U T05
2018-12-06 15:29:14 C 10 22 54.18 -02 10 42.2 U T05
2018-12-06 15:42:04 C 10 22 54.27 -02 10 53.3 U T05
2018-12-08 04:17:21 C 10 23 14.16 -02 41 53.6 V C95