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
2022-12-10 14:31:16 C 07 12 19.081 +66 16 59.98 U F51
2022-12-10 14:44:19 C 07 12 16.476 +66 16 54.19 U F51
2022-12-10 15:12:50 C 07 12 10.850 +66 16 41.11 U F51
2022-12-11 08:39:10 C 07 08 48.638 +66 08 59.21 V 703
2022-12-11 08:48:04 C 07 08 46.853 +66 08 55.14 V 703
2022-12-11 08:56:59 C 07 08 45.078 +66 08 51.18 V 703
2022-12-11 09:05:53 C 07 08 43.292 +66 08 47.00 V 703
2022-12-12 20:36:03 C 07 01 46.58 +65 51 13.2 V D29
2022-12-12 20:36:59 C 07 01 46.35 +65 51 12.8 V D29
2022-12-12 20:51:05 C 07 01 43.54 +65 51 04.8 V D29
2022-12-12 20:52:01 C 07 01 43.35 +65 51 04.4 V D29
2022-12-12 21:06:07 C 07 01 40.54 +65 50 56.8 V D29
2022-12-14 11:14:08 C 06 54 14.477 +65 29 22.88 V T05
2022-12-14 11:17:31 C 06 54 13.812 +65 29 20.72 V T05
2022-12-14 11:22:04 C 06 54 12.883 +65 29 18.02 V T05
2022-12-14 11:29:24 C 06 54 11.417 +65 29 13.60 V T05
2022-12-15 11:17:38 C 06 49 33.371 +65 14 14.31 U F52
2022-12-15 11:36:04 C 06 49 29.678 +65 14 02.32 U F52
2022-12-15 11:54:37 C 06 49 25.976 +65 13 50.17 U F52
2022-12-15 12:13:04 C 06 49 22.284 +65 13 38.00 U F52
2022-12-16 04:47:09 C 06 46 10.970 +65 02 25.66 V 703
2022-12-16 04:54:58 C 06 46 09.451 +65 02 20.58 V 703
2022-12-16 05:02:46 C 06 46 07.979 +65 02 15.47 V 703
2022-12-16 05:10:34 C 06 46 06.409 +65 02 10.25 V 703
2022-12-18 16:48:33 C 06 34 44.71 +64 17 28.6 q C97
2022-12-18 16:54:47 C 06 34 43.47 +64 17 23.8 q C97
2022-12-18 16:58:34 C 06 34 42.67 +64 17 21.0 q C97
2022-12-18 17:02:50 C 06 34 41.97 +64 17 17.6 q C97
2022-12-20 04:30:36 C 06 28 07.558 +63 47 20.94 V 703
2022-12-20 04:38:26 C 06 28 06.092 +63 47 14.21 V 703
2022-12-20 04:46:15 C 06 28 04.638 +63 47 07.62 V 703
2022-12-20 04:54:04 C 06 28 03.119 +63 47 00.49 V 703
2022-12-20 07:34:45 C 06 27 33.16 +63 44 40.2 V I41
2022-12-20 09:17:58 C 06 27 13.83 +63 43 08.7 V I41
2022-12-23 04:25:51 C 06 15 22.957 +62 39 15.91 V 703
2022-12-23 04:33:33 C 06 15 21.596 +62 39 08.24 V 703
2022-12-23 04:41:16 C 06 15 20.250 +62 39 00.50 V 703
2022-12-23 04:48:59 C 06 15 18.922 +62 38 52.98 V 703
2022-12-24 07:21:57 C 06 10 50.17 +62 11 22.3 V I41
2022-12-24 07:37:45 C 06 10 47.47 +62 11 05.6 V I41
2022-12-25 05:11:22 C 06 07 16.687 +61 47 49.31 Z U76
2022-12-25 05:32:43 C 06 07 13.162 +61 47 26.16 Z U76
2022-12-25 05:50:55 C 06 07 10.154 +61 47 06.32 Z U76
2022-12-26 04:23:06 C 06 03 35.586 +61 21 56.99 V 703
2022-12-26 04:30:53 C 06 03 34.452 +61 21 48.31 V 703
2022-12-26 04:38:40 C 06 03 33.210 +61 21 39.42 V 703
2023-01-06 19:08:05 C 05 28 52.80 +55 18 54.0 Z L74
2023-01-06 19:08:53 C 05 28 52.71 +55 18 52.8 Z L74
2023-01-06 19:09:41 C 05 28 52.68 +55 18 51.5 Z L74
2023-01-09 05:48:45 C 05 23 47.206 +53 54 53.82 V G96