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
2019-02-27 04:14:35 S 08 43 22.970 -23 50 25.87 V C57
2019-02-27 04:14:35 s 1 -154960.81 7 +18943.826 8650.0 C57
2019-02-27 04:44:35 S 08 43 20.618 -23 50 24.72 V C57
2019-02-27 04:44:35 s 1 -153419.22 7 +16299.629 3500.0 C57
2019-02-27 06:14:35 S 08 43 13.519 -23 50 24.18 V C57
2019-02-27 06:14:35 s 1 -148546.77 4 + 8343.546 7600.0 C57
2019-02-27 06:44:35 S 08 43 11.578 -23 50 24.90 V C57
2019-02-27 06:44:35 s 1 -146836.81 2 + 5685.764 5100.0 C57
2019-02-27 07:14:35 S 08 43 09.562 -23 50 23.64 V C57
2019-02-27 07:14:35 s 1 -145082.25 1 + 3026.263 5040.0 C57
2019-02-27 07:44:35 S 08 43 07.212 -23 50 20.54 V C57
2019-02-27 07:44:35 s 1 -143282.02 8 + 365.815 1760.0 C57
2019-03-01 09:04:17 C 08 39 41.33 -23 50 43.9 V T08
2019-03-01 09:16:15 C 08 39 40.45 -23 50 43.8 V T08
2019-03-01 09:27:34 C 08 39 39.65 -23 50 43.6 V T08
2019-03-01 09:39:32 C 08 39 38.76 -23 50 43.1 V T08
2019-03-01 13:06:14 C 08 39 24.43 -23 50 32.6 q 323
2019-03-01 14:14:13 C 08 39 19.52 -23 50 31.2 q 323
2019-03-09 08:50:57 C 08 27 27.52 -23 35 04.9 V T08
2019-03-09 09:04:16 C 08 27 26.75 -23 35 03.0 V T08
2019-03-09 09:17:34 C 08 27 25.97 -23 35 01.2 V T08
2019-03-09 09:29:34 C 08 27 25.27 -23 34 59.3 V T08
2019-03-13 08:43:13 C 08 22 26.82 -23 20 06.9 V T08
2019-03-13 08:55:10 C 08 22 26.20 -23 20 04.8 V T08
2019-03-13 09:08:32 C 08 22 25.55 -23 20 02.4 V T08
2019-03-17 08:10:56 C 08 18 13.90 -23 01 53.4 V T08
2019-03-17 08:22:16 C 08 18 13.43 -23 01 51.3 V T08
2019-03-17 08:33:34 C 08 18 12.93 -23 01 48.6 V T08
2019-03-17 08:44:52 C 08 18 12.49 -23 01 46.4 V T08
2019-03-29 16:28:30 C 08 10 01.71 -21 53 54.2 q C97
2019-03-29 16:30:42 C 08 10 01.69 -21 53 53.7 q C97
2019-03-29 16:32:53 C 08 10 01.64 -21 53 53.2 q C97
2019-03-29 16:35:04 C 08 10 01.61 -21 53 53.0 q C97
2019-03-31 07:15:32 C 08 09 28.77 -21 44 31.1 V T05
2019-03-31 07:26:17 C 08 09 28.63 -21 44 28.4 V T05
2019-03-31 07:36:56 C 08 09 28.49 -21 44 25.8 V T05
2019-04-02 07:20:32 C 08 08 57.66 -21 32 55.4 V T08
2019-04-02 07:31:51 C 08 08 57.60 -21 32 52.3 V T08
2019-04-02 07:42:28 C 08 08 57.43 -21 32 49.7 V T08
2019-04-02 07:53:48 C 08 08 57.32 -21 32 46.7 V T08
2019-04-04 07:25:11 C 08 08 37.02 -21 21 25.7 V T05
2019-04-04 07:37:12 C 08 08 36.94 -21 21 23.3 V T05
2019-04-04 07:48:35 C 08 08 36.89 -21 21 20.3 V T05
2019-04-04 08:00:35 C 08 08 36.78 -21 21 17.9 V T05
2019-04-06 07:06:39 C 08 08 26.62 -21 10 13.1 V T08
2019-04-06 07:18:00 C 08 08 26.61 -21 10 10.5 V T08
2019-04-06 07:28:41 C 08 08 26.58 -21 10 07.6 V T08
2019-04-06 07:40:01 C 08 08 26.52 -21 10 05.3 V T08
2019-04-08 07:34:39 C 08 08 25.97 -20 59 03.2 V T05
2019-04-08 07:46:13 C 08 08 25.98 -20 59 00.6 V T05