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
2023-02-07 18:49:50 C 05 05 34.75 +38 11 51.4 X K19
2023-02-07 19:12:18 C 05 05 35.00 +38 11 26.5 X K19
2023-02-07 19:12:30 C 05 05 35.009 +38 11 25.80 X K87
2023-02-07 19:15:38 C 05 05 35.040 +38 11 21.84 X K87
2023-02-07 19:18:48 C 05 05 35.081 +38 11 18.67 X K87
2023-02-07 19:44:59 C 05 05 35.31 +38 10 50.2 X G02
2023-02-07 19:52:33 C 05 05 35.39 +38 10 41.7 X G02
2023-02-07 19:59:37 C 05 05 35.48 +38 10 34.1 X G02
2023-02-08 19:19:32 C 05 05 55.769 +37 45 12.10 X K87
2023-02-08 19:21:39 C 05 05 55.805 +37 45 10.08 X K87
2023-02-08 19:23:45 C 05 05 55.850 +37 45 07.63 X K87
2023-02-10 00:59:55 C 05 06 24.756 +37 13 41.66 V W68
2023-02-10 01:04:27 C 05 06 24.833 +37 13 37.16 V W68
2023-02-10 01:43:10 C 05 06 25.433 +37 12 56.27 V W68
2023-02-10 04:21:11 C 05 06 28.29 +37 10 03.7 V I41
2023-02-10 04:43:38 C 05 06 28.63 +37 09 39.3 V I41
2023-02-13 04:08:14 C 05 07 54.073 +35 56 31.13 V G96
2023-02-13 04:15:45 C 05 07 54.232 +35 56 23.53 V G96
2023-02-13 04:23:17 C 05 07 54.376 +35 56 15.94 V G96
2023-02-13 04:30:49 C 05 07 54.534 +35 56 08.45 V G96
2023-02-14 00:41:45 C 05 08 22.356 +35 36 15.80 V W68
2023-02-14 00:50:51 C 05 08 22.510 +35 36 07.45 V W68
2023-02-14 01:08:24 C 05 08 22.906 +35 35 50.10 V W68
2023-02-14 01:18:14 C 05 08 23.143 +35 35 40.38 V W68
2023-02-18 00:43:23 C 05 10 53.450 +34 05 21.84 V W68
2023-02-18 00:48:45 C 05 10 53.642 +34 05 17.45 V W68
2023-02-18 00:58:01 C 05 10 53.842 +34 05 08.41 V W68
2023-02-18 01:16:53 C 05 10 54.403 +34 04 51.53 V W68
2023-02-26 01:15:44 C 05 17 20.957 +31 22 15.74 V W68
2023-02-26 01:32:12 C 05 17 21.545 +31 22 02.53 V W68
2023-02-26 01:36:44 C 05 17 21.682 +31 21 59.33 V W68
2023-02-26 01:46:29 C 05 17 22.056 +31 21 51.59 V W68
2023-03-06 06:00:18 C 05 25 30.010 +28 58 32.95 V T05
2023-03-06 06:04:13 C 05 25 30.178 +28 58 30.43 V T05
2023-03-06 06:24:09 C 05 25 31.068 +28 58 16.93 V T05
2023-03-06 06:25:27 C 05 25 31.126 +28 58 15.78 V T05
2023-03-06 06:38:29 C 05 25 31.666 +28 58 06.92 V T05
2023-03-10 00:26:39 C 05 29 39.833 +27 59 11.29 V W68
2023-03-10 00:31:11 C 05 29 40.104 +27 59 07.55 V W68
2023-03-10 00:42:52 C 05 29 40.699 +27 59 00.49 V W68
2023-03-10 01:07:03 C 05 29 41.748 +27 58 45.19 V W68
2023-03-12 18:11:53 C 05 32 50.033 +27 18 15.26 V M22
2023-03-12 18:18:22 C 05 32 50.374 +27 18 11.52 V M22
2023-03-12 18:26:14 C 05 32 50.719 +27 18 06.52 V M22
2023-03-12 18:40:18 C 05 32 51.432 +27 17 57.55 V M22
2023-03-14 00:09:23 C 05 34 18.943 +27 00 11.77 V W68
2023-03-14 00:17:11 C 05 34 19.313 +27 00 07.42 V W68
2023-03-14 00:22:23 C 05 34 19.562 +27 00 03.10 V W68
2023-03-14 00:42:46 C 05 34 20.532 +26 59 51.76 V W68
2023-03-23 07:38:14 C 05 46 00.170 +24 55 33.02 V T05