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
2025-12-16 02:07:27 C 11 56 54.943 -30 27 40.03 V M22
2025-12-16 02:13:32 C 11 56 55.267 -30 27 46.08 V M22
2025-12-17 07:25:50 C 11 58 19.231 -30 59 20.80 V W68
2025-12-17 07:29:52 C 11 58 19.414 -30 59 25.58 V W68
2025-12-17 07:39:06 C 11 58 19.838 -30 59 35.38 V W68
2025-12-17 07:52:29 C 11 58 20.441 -30 59 50.21 V W68
2025-12-18 14:44:59 C 11 59 48.281 -31 33 26.32 V T08
2025-12-18 14:49:35 C 11 59 48.502 -31 33 31.18 V T08
2025-12-18 15:14:01 C 11 59 49.591 -31 33 58.25 V T08
2025-12-18 15:25:52 C 11 59 50.146 -31 34 10.78 V T08
2025-12-18 15:52:27 C 11 59 51.343 -31 34 39.65 V T08
2025-12-19 01:13:10 C 12 00 17.914 -31 44 47.22 V M22
2025-12-19 01:27:11 C 12 00 18.614 -31 45 02.30 V M22
2025-12-19 01:49:37 C 12 00 19.608 -31 45 27.32 V M22
2025-12-19 01:54:12 C 12 00 19.846 -31 45 32.47 V M22
2025-12-23 07:43:03 C 12 05 01.380 -33 37 36.52 V W68
2025-12-23 07:47:48 C 12 05 01.591 -33 37 41.70 V W68
2025-12-23 07:55:16 C 12 05 01.934 -33 37 50.12 V W68
2025-12-26 13:58:19 C 12 08 29.724 -35 05 03.37 V T05
2025-12-26 14:30:04 C 12 08 31.099 -35 05 38.98 V T05
2025-12-26 14:34:39 C 12 08 31.291 -35 05 44.09 V T05
2025-12-26 14:48:25 C 12 08 31.872 -35 05 59.64 V T05
2025-12-27 14:15:04 C 12 09 32.846 -35 32 22.52 V T05
2025-12-27 14:21:02 C 12 09 33.098 -35 32 29.08 V T05
2025-12-27 14:48:39 C 12 09 34.284 -35 33 00.72 V T05
2025-12-27 15:06:21 C 12 09 34.973 -35 33 20.52 V T05
2025-12-29 07:45:58 C 12 11 19.058 -36 19 16.61 V W68
2025-12-29 08:18:19 C 12 11 20.366 -36 19 53.72 V W68
2025-12-29 08:29:13 C 12 11 20.858 -36 20 05.68 V W68
2025-12-29 08:33:49 C 12 11 21.046 -36 20 10.86 V W68
2025-12-31 01:46:40 C 12 13 04.128 -37 07 04.40 V M22
2025-12-31 01:55:58 C 12 13 04.495 -37 07 15.64 V M22
2025-12-31 02:18:50 C 12 13 05.424 -37 07 41.56 V M22
2025-12-31 02:24:55 C 12 13 05.671 -37 07 49.12 V M22
2026-01-01 13:59:33 C 12 14 32.654 -37 48 35.21 V T05
2026-01-01 14:02:11 C 12 14 32.854 -37 48 38.84 V T05
2026-01-01 14:06:48 C 12 14 32.995 -37 48 43.45 V T05
2026-01-01 14:29:56 C 12 14 33.912 -37 49 09.62 V T05
2026-01-05 08:32:27 C 12 18 05.474 -39 33 03.24 V W68
2026-01-05 08:34:23 C 12 18 05.496 -39 33 05.69 V W68
2026-01-05 08:38:24 C 12 18 05.657 -39 33 09.79 V W68
2026-01-05 08:42:23 C 12 18 05.822 -39 33 14.54 V W68
2026-01-09 06:46:40 C 12 21 32.484 -41 23 07.69 V W68
2026-01-09 06:50:46 C 12 21 32.580 -41 23 12.23 V W68
2026-01-09 07:26:41 C 12 21 33.799 -41 23 54.35 V W68
2026-01-09 07:52:13 C 12 21 34.716 -41 24 24.98 V W68
2026-01-11 07:28:45 C 12 23 12.780 -42 20 29.87 V W68
2026-01-11 07:32:49 C 12 23 12.946 -42 20 34.08 V W68
2026-01-11 07:48:13 C 12 23 13.435 -42 20 52.76 V W68
2026-01-11 08:00:43 C 12 23 13.822 -42 21 07.60 V W68