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
2025-02-11 06:04:58 C 01 48 19.140 +41 49 28.56 V T08
2025-02-12 06:04:16 C 01 51 47.978 +41 41 54.82 V T05
2025-02-12 06:08:50 C 01 51 48.679 +41 41 52.91 V T05
2025-02-12 06:17:25 C 01 51 49.896 +41 41 50.50 V T05
2025-02-12 06:45:07 C 01 51 53.854 +41 41 41.42 V T05
2025-02-13 05:18:02 C 01 55 09.132 +41 34 33.53 V T05
2025-02-13 05:22:38 C 01 55 09.758 +41 34 31.48 V T05
2025-02-13 05:33:15 C 01 55 11.290 +41 34 28.38 V T05
2025-02-13 05:51:32 C 01 55 13.894 +41 34 22.69 V T05
2025-02-16 03:31:18 C 02 05 09.906 +41 12 04.21 V 703
2025-02-16 03:34:36 C 02 05 10.388 +41 12 03.49 V 703
2025-02-16 03:37:54 C 02 05 10.810 +41 12 02.09 V 703
2025-02-16 03:41:12 C 02 05 11.288 +41 12 01.19 V 703
2025-02-17 06:26:26 C 02 08 57.439 +41 03 24.55 V T05
2025-02-17 06:31:00 C 02 08 58.118 +41 03 22.90 V T05
2025-02-17 06:42:13 C 02 08 59.657 +41 03 19.19 V T05
2025-02-17 07:01:59 C 02 09 02.436 +41 03 12.28 V T05
2025-02-19 02:13:45 C 02 15 04.612 +40 49 11.89 V 703
2025-02-19 02:16:47 C 02 15 05.072 +40 49 10.60 V 703
2025-02-19 02:19:48 C 02 15 05.454 +40 49 10.06 V 703
2025-02-19 02:22:49 C 02 15 05.929 +40 49 08.98 V 703
2025-02-19 03:15:07 C 02 15 13.115 +40 48 51.37 V 703
2025-02-19 03:18:13 C 02 15 13.558 +40 48 50.62 V 703
2025-02-19 03:21:18 C 02 15 13.950 +40 48 49.68 V 703
2025-02-19 03:24:23 C 02 15 14.317 +40 48 48.82 V 703
2025-02-19 05:24:53 C 02 15 31.109 +40 48 10.62 V T08
2025-02-19 05:32:20 C 02 15 32.129 +40 48 08.24 V T08
2025-02-19 05:38:56 C 02 15 33.055 +40 48 06.30 V T08
2025-02-19 06:09:01 C 02 15 37.188 +40 47 55.75 V T08
2025-02-21 05:20:47 C 02 22 08.088 +40 32 31.63 V T05
2025-02-21 05:25:24 C 02 22 08.705 +40 32 30.19 V T05
2025-02-21 05:33:18 C 02 22 09.787 +40 32 27.49 V T05
2025-02-21 06:02:21 C 02 22 13.747 +40 32 17.81 V T05
2025-02-23 02:54:27 C 02 28 21.112 +40 17 32.86 V 703
2025-02-23 02:57:49 C 02 28 21.536 +40 17 32.10 V 703
2025-02-23 03:01:12 C 02 28 22.033 +40 17 30.98 V 703
2025-02-23 03:04:34 C 02 28 22.433 +40 17 29.58 V 703
2025-02-23 05:21:56 C 02 28 41.119 +40 16 45.70 V T08
2025-02-23 05:26:38 C 02 28 41.741 +40 16 44.29 V T08
2025-02-23 05:35:59 C 02 28 42.989 +40 16 41.48 V T08
2025-02-23 05:57:29 C 02 28 45.874 +40 16 33.82 V T08
2025-02-24 03:05:28 C 02 31 37.412 +40 09 34.96 V V00
2025-02-24 03:13:37 C 02 31 38.503 +40 09 32.18 V V00
2025-02-24 03:21:41 C 02 31 39.587 +40 09 29.45 V V00
2025-02-24 03:29:47 C 02 31 40.660 +40 09 26.82 V V00
2025-02-25 02:16:13 C 02 34 44.540 +40 01 55.96 V 703
2025-02-25 02:19:14 C 02 34 44.990 +40 01 54.95 V 703
2025-02-25 02:22:15 C 02 34 45.347 +40 01 54.05 V 703
2025-02-25 02:25:17 C 02 34 45.764 +40 01 53.22 V 703
2025-02-25 05:43:14 C 02 35 12.250 +40 00 48.56 V T05