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
2024-07-27 00:48:48 C 21 05 56.981 +19 13 17.08 X Z55
2024-07-27 00:49:58 C 21 05 56.786 +19 13 22.26 X Z55
2024-07-27 00:51:06 C 21 05 56.575 +19 13 26.44 X Z55
2024-07-27 00:53:22 C 21 05 56.174 +19 13 34.43 X Z55
2024-07-27 00:54:31 C 21 05 55.978 +19 13 38.57 X Z55
2024-07-27 12:16:31 C 21 03 56.590 +19 56 12.55 V T05
2024-07-27 12:22:28 C 21 03 55.510 +19 56 34.58 V T05
2024-07-27 12:46:04 C 21 03 51.226 +19 58 01.85 V T05
2024-07-27 20:55:28 C 21 02 26.89 +20 27 57.6 M32
2024-07-27 20:57:52 C 21 02 26.47 +20 28 06.4 M32
2024-07-27 21:00:13 C 21 02 26.04 +20 28 15.1 M32
2024-07-27 21:02:37 C 21 02 25.61 +20 28 23.9 M32
2024-07-27 21:04:59 C 21 02 25.18 +20 28 32.7 M32
2024-07-27 22:24:22 B 21 02 11.146 +20 33 26.28 V 160
2024-07-27 22:27:42 B 21 02 10.543 +20 33 38.70 V 160
2024-07-27 22:31:03 B 21 02 09.941 +20 33 50.98 V 160
2024-07-27 23:25:04 C 21 02 00.166 +20 37 09.48 X M26
2024-07-27 23:28:52 C 21 01 59.472 +20 37 23.56 X M26
2024-07-27 23:32:40 C 21 01 58.786 +20 37 37.42 X M26
2024-07-27 23:52:16 B 21 01 55.363 +20 38 49.24 X C95
2024-07-28 00:06:21 B 21 01 52.807 +20 39 41.00 X C95
2024-07-28 00:21:40 B 21 01 50.035 +20 40 36.91 X C95
2024-07-28 00:33:22 B 21 01 47.909 +20 41 19.82 X C95
2024-07-28 00:45:06 B 21 01 45.785 +20 42 02.84 X C95
2024-07-28 01:10:56 B 21 01 41.105 +20 43 37.09 X C95
2024-07-28 01:28:33 B 21 01 37.920 +20 44 41.35 X C95
2024-07-28 01:43:52 B 21 01 35.146 +20 45 37.26 X C95
2024-07-28 01:59:11 B 21 01 32.374 +20 46 32.88 X C95
2024-07-28 02:14:28 B 21 01 29.614 +20 47 28.72 X C95
2024-07-28 02:39:08 B 21 01 25.162 +20 48 58.46 X C95
2024-07-28 11:04:49 C 20 59 56.818 +21 19 47.35 V T08
2024-07-28 11:09:13 C 20 59 56.009 +21 20 03.23 V T08
2024-07-28 11:10:33 C 20 59 55.771 +21 20 07.94 V T08
2024-07-28 11:14:52 C 20 59 54.982 +21 20 23.60 V T08
2024-07-28 11:16:52 C 20 59 54.602 +21 20 30.88 V T08
2024-07-28 11:31:14 C 20 59 51.965 +21 21 22.68 V T08
2024-07-28 11:40:38 C 20 59 50.244 +21 21 56.63 V T08
2024-07-28 20:29:09 C 20 58 18.154 +21 53 23.24 X M26
2024-07-28 20:33:37 C 20 58 17.352 +21 53 39.23 X M26
2024-07-28 20:40:11 C 20 58 16.157 +21 54 02.88 X M26
2024-07-28 21:53:59 C 20 58 02.782 +21 58 24.46 Z C23
2024-07-28 21:55:37 C 20 58 02.489 +21 58 30.54 Z C23
2024-07-28 22:50:22 B 20 57 52.530 +22 01 46.01 X B72
2024-07-28 22:50:58 C 20 57 52.452 +22 01 48.29 Z C23
2024-07-28 22:51:07 B 20 57 52.378 +22 01 49.04 X B72
2024-07-28 22:51:52 B 20 57 52.241 +22 01 51.64 X B72
2024-07-28 22:52:37 B 20 57 52.103 +22 01 54.41 X B72
2024-07-28 22:53:22 B 20 57 51.968 +22 01 57.03 X B72
2024-07-28 22:54:08 B 20 57 51.831 +22 01 59.80 X B72
2024-07-28 22:55:38 B 20 57 51.553 +22 02 05.35 X B72