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
2024-07-15 09:59:58 C 21 49 20.827 +00 30 41.29 V T08
2024-07-15 10:39:51 C 21 49 15.310 +00 33 21.35 V T08
2024-07-15 11:02:07 C 21 49 12.223 +00 34 50.52 V T08
2024-07-15 22:35:49 C 21 47 39.17 +01 21 11.1 X G02
2024-07-15 22:41:24 C 21 47 38.41 +01 21 33.6 X G02
2024-07-15 22:46:58 C 21 47 37.61 +01 21 56.2 X G02
2024-07-15 23:44:20 C 21 47 29.791 +01 25 49.51 X M26
2024-07-15 23:47:26 C 21 47 29.352 +01 26 01.90 X M26
2024-07-15 23:50:34 C 21 47 28.920 +01 26 14.60 X M26
2024-07-16 03:34:33 C 21 46 59.102 +01 41 48.52 V W68
2024-07-16 03:38:27 C 21 46 58.562 +01 42 04.39 V W68
2024-07-16 04:29:12 C 21 46 51.408 +01 45 29.59 V W68
2024-07-16 04:51:30 C 21 46 48.257 +01 46 59.99 V W68
2024-07-16 23:11:47 B 21 44 16.327 +03 00 57.67 V 160
2024-07-16 23:15:07 B 21 44 15.838 +03 01 11.35 V 160
2024-07-16 23:18:29 B 21 44 15.348 +03 01 25.00 V 160
2024-07-17 11:35:56 C 21 42 31.246 +03 51 44.03 V T05
2024-07-17 11:39:05 C 21 42 30.778 +03 51 56.99 V T05
2024-07-17 11:44:56 C 21 42 29.911 +03 52 20.86 V T05
2024-07-17 12:22:23 C 21 42 24.338 +03 54 54.04 V T05
2024-07-17 23:15:50 C 21 40 51.46 +04 39 19.5 V D48
2024-07-17 23:21:37 C 21 40 50.61 +04 39 43.2 V D48
2024-07-17 23:27:23 C 21 40 49.76 +04 40 06.8 V D48
2024-07-17 23:48:03 B 21 40 46.642 +04 41 30.55 V L65
2024-07-17 23:52:10 B 21 40 46.027 +04 41 47.44 V L65
2024-07-17 23:56:17 B 21 40 45.420 +04 42 04.32 V L65
2024-07-18 22:40:58 B 21 37 26.558 +06 16 02.00 Z M49
2024-07-18 22:44:15 B 21 37 26.051 +06 16 15.25 Z M49
2024-07-18 22:47:33 B 21 37 25.543 +06 16 28.99 Z M49
2024-07-18 23:51:03 B 21 37 15.754 +06 20 19.97 V L65
2024-07-18 23:55:11 B 21 37 15.118 +06 20 37.00 V L65
2024-07-18 23:59:18 B 21 37 14.491 +06 20 53.99 V L65
2024-07-19 00:17:12 B 21 37 11.699 +06 22 38.16 Z M49
2024-07-19 01:00:47 C 21 37 05.15 +06 25 08.3 V D48
2024-07-19 01:06:34 C 21 37 04.26 +06 25 32.0 V D48
2024-07-19 01:12:20 C 21 37 03.38 +06 25 55.7 V D48
2024-07-19 01:13:59 B 21 37 02.894 +06 26 31.88 Z M49
2024-07-19 02:10:50 B 21 36 54.078 +06 30 25.86 Z M49
2024-07-19 02:59:12 B 21 36 46.606 +06 33 44.61 Z M49
2024-07-19 03:36:49 B 21 36 40.809 +06 36 19.18 Z M49
2024-07-19 04:15:01 B 21 36 34.952 +06 38 56.03 Z M49
2024-07-19 13:16:50 C 21 35 14.630 +07 15 49.82 V T08
2024-07-19 13:56:24 C 21 35 08.422 +07 18 32.51 V T08
2024-07-19 14:00:58 C 21 35 07.706 +07 18 51.34 V T08
2024-07-19 14:16:19 C 21 35 05.299 +07 19 54.41 V T08
2024-07-19 20:53:40 C 21 34 07.049 +07 46 58.22 Z C23
2024-07-19 22:14:40 C 21 33 54.37 +07 52 33.0 M32
2024-07-19 22:16:57 C 21 33 54.01 +07 52 42.4 M32
2024-07-19 22:19:15 C 21 33 53.65 +07 52 51.9 M32
2024-07-19 22:19:19 C 21 33 53.870 +07 52 51.06 Z C23