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
2020-10-29 12:34:24 C 09 19 23.31 +30 58 00.8 q U71
2020-10-29 12:42:24 C 09 19 23.62 +30 57 57.3 q U71
2020-10-30 09:58:59 C 09 20 10.90 +30 47 57.9 V 703
2020-10-30 10:06:49 C 09 20 11.19 +30 47 55.0 V 703
2020-10-30 10:14:40 C 09 20 11.44 +30 47 50.7 V 703
2020-10-30 10:22:29 C 09 20 11.71 +30 47 46.9 V 703
2020-10-30 11:39:21 C 09 20 14.50 +30 47 11.1 U I41
2020-10-30 12:50:29 C 09 20 17.00 +30 46 38.2 U I41
2020-11-03 14:43:48 C 09 23 34.65 +30 00 53.7 V T05
2020-11-03 15:14:13 C 09 23 35.54 +30 00 39.1 V T05
2020-11-03 15:26:37 C 09 23 35.90 +30 00 34.0 V T05
2020-11-03 15:32:33 C 09 23 36.08 +30 00 31.2 V T05
2020-11-04 13:26:49 C 09 24 16.11 +29 50 18.4 V T08
2020-11-04 13:31:28 C 09 24 16.25 +29 50 16.2 V T08
2020-11-04 13:40:06 C 09 24 16.51 +29 50 12.8 V T08
2020-11-04 13:54:30 C 09 24 16.91 +29 50 05.9 V T08
2020-11-12 09:46:26 C 09 28 50.35 +28 23 11.8 V 703
2020-11-12 09:54:06 C 09 28 50.49 +28 23 08.3 V 703
2020-11-12 10:01:47 C 09 28 50.63 +28 23 04.7 V 703
2020-11-12 10:09:28 C 09 28 50.75 +28 23 01.5 V 703
2020-11-13 12:29:19 C 09 29 18.61 +28 10 56.6 U I41
2020-11-13 14:07:34 C 09 29 20.355 +28 10 12.41 U F51
2020-11-13 14:25:35 C 09 29 20.633 +28 10 04.22 U F51
2020-11-13 14:43:37 C 09 29 20.909 +28 09 56.08 U F51
2020-11-13 15:01:40 C 09 29 21.182 +28 09 47.85 U F51
2020-11-15 09:35:59 C 09 30 00.54 +27 50 15.4 V 703
2020-11-15 09:59:53 C 09 30 01.29 +27 50 10.4 V 703
2020-11-15 10:40:09 C 09 30 01.34 +27 49 46.4 U I41
2020-11-15 11:41:09 C 09 30 02.11 +27 49 19.0 U I41
2020-11-17 11:38:04 C 09 30 37.15 +27 27 24.5 U I41
2020-11-17 12:25:43 C 09 30 37.58 +27 27 02.9 U I41
2020-11-18 09:28:47 C 09 30 50.16 +27 17 26.2 V 703
2020-11-18 09:36:25 C 09 30 50.18 +27 17 22.9 V 703
2020-11-18 09:44:04 C 09 30 50.28 +27 17 18.9 V 703
2020-11-18 09:51:42 C 09 30 50.35 +27 17 15.3 V 703
2020-11-20 11:56:34 C 09 31 12.11 +26 54 27.7 U I41
2020-11-20 12:15:45 C 09 31 12.18 +26 54 19.0 U I41
2020-11-22 12:27:59 C 09 31 23.09 +26 32 23.9 U I41
2020-11-22 12:38:37 C 09 31 23.09 +26 32 19.1 U I41
2020-11-25 09:37:57 C 09 31 21.05 +26 00 58.2 V 703
2020-11-25 09:45:33 C 09 31 21.07 +26 00 55.0 V 703
2020-11-25 09:53:08 C 09 31 21.05 +26 00 51.7 V 703
2020-11-25 10:00:44 C 09 31 21.01 +26 00 48.0 V 703
2020-11-26 13:56:49 C 09 31 13.84 +25 48 08.0 V T05
2020-11-26 14:00:46 C 09 31 13.81 +25 48 06.2 V T05
2020-11-26 14:05:23 C 09 31 13.79 +25 48 04.2 V T05
2020-11-26 14:12:38 C 09 31 13.72 +25 48 00.7 V T05
2020-11-28 09:02:27 C 09 30 55.92 +25 28 30.9 V G96
2020-11-28 09:09:55 C 09 30 55.85 +25 28 27.6 V G96
2020-11-28 09:17:22 C 09 30 55.77 +25 28 24.2 V G96