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
2015-11-08 00:13:20 C 19 33 00.16 +22 10 20.5 u H21
2015-11-08 00:16:43 C 19 33 00.49 +22 10 22.2 u H21
2015-11-08 23:39:03 C 19 35 21.76 +22 22 30.5 u H21
2015-11-08 23:41:07 C 19 35 21.97 +22 22 31.5 u H21
2015-11-08 23:43:11 C 19 35 22.18 +22 22 32.6 u H21
2015-11-08 23:45:15 C 19 35 22.37 +22 22 33.6 u H21
2015-11-08 23:47:19 C 19 35 22.59 +22 22 34.6 u H21
2015-11-08 23:49:23 C 19 35 22.79 +22 22 35.6 u H21
2015-11-08 23:51:28 C 19 35 22.99 +22 22 36.6 u H21
2015-11-08 23:53:31 C 19 35 23.20 +22 22 38.0 u H21
2015-11-08 23:55:34 C 19 35 23.39 +22 22 38.9 u H21
2015-11-08 23:57:37 C 19 35 23.61 +22 22 39.8 u H21
2015-11-08 23:59:40 C 19 35 23.80 +22 22 41.1 u H21
2015-11-09 00:01:43 C 19 35 23.99 +22 22 42.0 u H21
2015-11-09 00:03:46 C 19 35 24.21 +22 22 43.0 u H21
2015-11-09 00:05:49 C 19 35 24.42 +22 22 44.0 u H21
2015-11-09 01:01:09 C 19 35 29.93 +22 23 12.9 q H45
2015-11-09 01:06:42 C 19 35 30.50 +22 23 15.8 q H45
2015-11-09 01:08:31 C 19 35 30.68 +22 23 16.6 q H45
2015-11-09 01:10:23 C 19 35 30.87 +22 23 17.7 q H45
2015-11-09 01:11:47 C 19 35 31.01 +22 23 18.3 q H45
2015-11-09 01:13:42 C 19 35 31.20 +22 23 19.4 q H45
2015-11-16 00:55:16 C 19 52 58.12 +23 49 19.7 u H21
2015-11-16 00:58:22 C 19 52 58.46 +23 49 21.5 u H21
2015-11-16 01:01:28 C 19 52 58.77 +23 49 23.0 u H21
2015-11-16 01:04:34 C 19 52 59.10 +23 49 24.4 u H21
2015-11-16 01:07:40 C 19 52 59.43 +23 49 26.0 u H21
2015-11-16 01:10:46 C 19 52 59.76 +23 49 27.5 u H21
2015-11-16 01:13:52 C 19 53 00.09 +23 49 29.1 u H21
2015-11-16 01:16:58 C 19 53 00.42 +23 49 30.6 u H21
2015-11-16 01:19:20 C 19 53 00.67 +23 49 31.7 u H21
2015-11-23 23:53:53 C 20 14 02.21 +25 25 45.0 u H21
2015-11-23 23:55:58 C 20 14 02.42 +25 25 46.2 u H21
2015-11-23 23:58:01 C 20 14 02.66 +25 25 47.3 u H21
2015-11-24 00:00:05 C 20 14 02.88 +25 25 48.3 u H21
2015-11-24 00:02:09 C 20 14 03.11 +25 25 49.2 u H21
2015-11-24 00:04:13 C 20 14 03.34 +25 25 50.2 u H21
2015-11-24 00:06:17 C 20 14 03.59 +25 25 51.1 u H21
2015-11-24 00:08:21 C 20 14 03.81 +25 25 52.0 u H21
2015-11-24 00:10:26 C 20 14 04.04 +25 25 53.2 u H21
2015-11-24 00:12:29 C 20 14 04.28 +25 25 54.3 u H21
2015-11-24 00:14:34 C 20 14 04.51 +25 25 55.5 u H21
2015-11-24 00:16:37 C 20 14 04.73 +25 25 56.4 u H21
2015-11-24 17:58:11 C 20 16 05.68 +25 34 47.2 q 160
2015-11-24 17:59:18 C 20 16 05.83 +25 34 47.8 q 160
2015-11-24 18:00:26 C 20 16 05.96 +25 34 48.7 q 160
2015-11-27 18:00:57 C 20 24 25.14 +26 10 45.1 q 160
2015-11-27 18:03:12 C 20 24 25.38 +26 10 46.4 q 160
2015-11-27 18:05:26 C 20 24 25.63 +26 10 47.5 q 160
2015-12-06 04:53:49 C 20 48 50.70 +27 50 50.5 L T05