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
2024-05-04 02:28:51 C 21 54 16.646 -50 49 24.53 V M22
2024-05-04 04:13:50 C 21 54 25.462 -50 48 09.61 V M22
2024-05-06 07:22:32 C 21 58 45.358 -50 10 23.48 V W68
2024-05-06 07:27:14 C 21 58 45.749 -50 10 19.78 V W68
2024-05-06 07:35:12 C 21 58 46.421 -50 10 14.02 V W68
2024-05-06 08:04:04 C 21 58 48.727 -50 09 53.14 V W68
2024-05-10 06:27:37 C 22 06 13.682 -48 57 16.02 V W68
2024-05-10 06:32:14 C 22 06 14.004 -48 57 12.64 V W68
2024-05-10 07:14:54 C 22 06 17.155 -48 56 39.95 V W68
2024-05-10 07:41:13 C 22 06 19.075 -48 56 19.61 V W68
2024-05-12 01:27:52 C 22 09 21.665 -48 22 53.00 V M22
2024-05-12 02:05:37 C 22 09 24.283 -48 22 23.09 V M22
2024-05-12 02:10:16 C 22 09 24.581 -48 22 19.45 V M22
2024-05-12 02:38:00 C 22 09 26.491 -48 21 57.56 V M22
2024-05-16 02:05:58 C 22 15 50.748 -47 02 13.52 V M22
2024-05-16 02:10:00 C 22 15 50.990 -47 02 09.96 V M22
2024-05-16 02:45:02 C 22 15 53.105 -47 01 40.55 V M22
2024-05-16 02:53:03 C 22 15 53.599 -47 01 33.74 V M22
2024-05-18 06:44:56 C 22 19 03.329 -46 16 07.00 V W68
2024-05-18 07:13:08 C 22 19 04.954 -46 15 42.52 V W68
2024-05-18 07:20:38 C 22 19 05.371 -46 15 36.11 V W68
2024-05-18 07:25:57 C 22 19 05.671 -46 15 31.39 V W68
2024-05-20 02:24:48 C 22 21 32.095 -45 36 41.29 V M22
2024-05-20 02:28:50 C 22 21 32.290 -45 36 37.87 V M22
2024-05-20 02:48:37 C 22 21 33.293 -45 36 19.76 V M22
2024-05-20 02:57:28 C 22 21 33.792 -45 36 11.45 V M22
2024-05-26 08:14:47 C 22 28 48.706 -43 11 30.73 V W68
2024-05-26 08:19:26 C 22 28 48.881 -43 11 25.91 V W68
2024-05-26 08:45:37 C 22 28 49.910 -43 10 59.56 V W68
2024-05-26 08:54:37 C 22 28 50.254 -43 10 50.38 V W68
2024-05-28 02:35:00 C 22 30 30.377 -42 27 22.61 V M22
2024-05-28 02:38:21 C 22 30 30.494 -42 27 19.12 V M22
2024-05-28 02:42:23 C 22 30 30.636 -42 27 14.90 V M22
2024-05-28 02:56:36 C 22 30 31.126 -42 26 59.93 V M22
2024-06-01 02:50:13 C 22 33 44.371 -40 41 01.90 V M22
2024-06-01 02:53:12 C 22 33 44.460 -40 40 58.44 V M22
2024-06-01 02:58:28 C 22 33 44.590 -40 40 52.54 V M22
2024-06-01 03:13:41 C 22 33 44.971 -40 40 35.18 V M22
2024-06-03 09:24:20 C 22 35 10.231 -39 36 34.81 V W68
2024-06-03 09:29:17 C 22 35 10.334 -39 36 28.80 V W68
2024-06-03 09:37:37 C 22 35 10.490 -39 36 18.72 V W68
2024-06-03 10:14:27 C 22 35 11.213 -39 35 34.33 V W68
2024-06-07 07:38:04 C 22 36 55.471 -37 36 54.47 V W68
2024-06-07 07:40:41 C 22 36 55.495 -37 36 51.12 V W68
2024-06-07 07:45:15 C 22 36 55.546 -37 36 45.04 V W68
2024-06-08 08:24:45 C 22 37 13.322 -37 03 29.41 V W68
2024-06-08 08:27:26 C 22 37 13.346 -37 03 25.85 V W68
2024-06-08 08:32:47 C 22 37 13.387 -37 03 18.50 V W68
2024-06-08 08:40:26 C 22 37 13.445 -37 03 08.10 V W68
2024-06-17 07:52:03 C 22 36 47.328 -31 29 05.75 V W68