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
2015-10-13 01:17:17 C 18 36 45.60 +16 18 42.4 u H21
2015-10-13 01:19:21 C 18 36 45.78 +16 18 43.8 u H21
2015-10-13 01:21:26 C 18 36 45.92 +16 18 45.0 u H21
2015-10-13 01:23:54 C 18 36 46.13 +16 18 46.6 u H21
2015-10-13 01:25:58 C 18 36 46.29 +16 18 48.0 u H21
2015-10-13 01:28:02 C 18 36 46.45 +16 18 49.1 u H21
2015-10-13 01:30:06 C 18 36 46.62 +16 18 50.4 u H21
2015-10-13 01:32:10 C 18 36 46.79 +16 18 51.9 u H21
2015-10-13 01:34:14 C 18 36 46.94 +16 18 52.9 u H21
2015-10-13 01:36:18 C 18 36 47.11 +16 18 54.4 u H21
2015-10-13 01:38:22 C 18 36 47.26 +16 18 55.7 u H21
2015-10-13 01:40:25 C 18 36 47.43 +16 18 57.0 u H21
2015-10-13 01:42:28 C 18 36 47.61 +16 18 58.3 u H21
2015-10-13 01:44:30 C 18 36 47.76 +16 18 59.6 u H21
2015-10-13 01:46:33 C 18 36 47.91 +16 19 01.0 u H21
2015-10-13 01:48:36 C 18 36 48.07 +16 19 02.3 u H21
2015-10-13 01:50:39 C 18 36 48.24 +16 19 03.5 u H21
2015-10-13 01:52:42 C 18 36 48.40 +16 19 04.7 u H21
2015-10-13 01:55:47 C 18 36 48.65 +16 19 06.8 u H21
2015-10-13 02:37:26 C 18 36 52.06 +16 19 33.9 R G45
2015-10-13 02:45:20 C 18 36 52.67 +16 19 39.3 R G45
2015-10-13 02:53:29 C 18 36 53.33 +16 19 44.2 R G45
2015-10-13 03:01:29 C 18 36 53.95 +16 19 49.0 R G45
2015-10-13 03:16:05 C 18 36 55.09 +16 19 58.2 R G45
2015-10-13 03:24:08 C 18 36 55.73 +16 20 03.3 R G45
2015-10-13 03:32:23 C 18 36 56.37 +16 20 08.4 R G45
2015-10-13 03:40:23 C 18 36 57.03 +16 20 13.4 R G45
2015-10-14 00:33:22 C 18 38 38.87 +16 33 22.5 u H21
2015-10-14 00:35:25 C 18 38 39.04 +16 33 23.9 u H21
2015-10-14 00:37:29 C 18 38 39.19 +16 33 25.1 u H21
2015-10-14 00:39:33 C 18 38 39.36 +16 33 26.2 u H21
2015-10-14 00:41:37 C 18 38 39.53 +16 33 27.6 u H21
2015-10-14 00:43:41 C 18 38 39.69 +16 33 28.9 u H21
2015-10-14 00:45:45 C 18 38 39.86 +16 33 30.1 u H21
2015-10-14 00:47:49 C 18 38 40.02 +16 33 31.4 u H21
2015-10-14 00:49:53 C 18 38 40.19 +16 33 32.8 u H21
2015-10-14 00:51:56 C 18 38 40.34 +16 33 34.2 u H21
2015-10-14 00:54:00 C 18 38 40.51 +16 33 35.3 u H21
2015-10-14 00:56:23 C 18 38 40.71 +16 33 36.9 u H21
2015-10-14 03:08:16 C 18 38 51.34 +16 34 59.9 R G45
2015-10-14 03:16:11 C 18 38 51.97 +16 35 04.8 R G45
2015-10-14 03:24:34 C 18 38 52.65 +16 35 09.8 R G45
2015-10-14 03:32:26 C 18 38 53.27 +16 35 14.7 R G45
2015-10-14 03:40:38 C 18 38 53.92 +16 35 19.9 R G45
2015-10-15 00:18:33 C 18 40 35.47 +16 48 10.1 u H21
2015-10-15 00:20:37 C 18 40 35.64 +16 48 11.4 u H21
2015-10-15 00:22:41 C 18 40 35.81 +16 48 12.6 u H21
2015-10-15 00:24:44 C 18 40 35.97 +16 48 13.9 u H21
2015-10-15 00:26:48 C 18 40 36.14 +16 48 15.2 u H21
2015-10-15 00:28:52 C 18 40 36.30 +16 48 16.3 u H21