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
2019-02-25 11:14:35 S 08 46 35.974 -23 50 09.06 V C57
2019-02-25 11:14:35 s 1 -196695.62 4 +202849.36 2580.0 C57
2019-02-25 11:44:35 S 08 46 33.569 -23 50 16.37 V C57
2019-02-25 11:44:35 s 1 -196823.52 0 +201044.65 2160.0 C57
2019-02-25 12:14:35 S 08 46 30.898 -23 50 15.65 V C57
2019-02-25 12:14:35 s 1 -196941.09 3 +199229.41 2460.0 C57
2019-02-25 12:30:41 C 08 46 31.21 -23 49 23.7 V 323
2019-02-25 12:44:35 S 08 46 28.805 -23 50 15.72 V C57
2019-02-25 12:44:35 s 1 -197048.21 7 +197403.63 2930.0 C57
2019-02-25 13:14:35 S 08 46 26.172 -23 50 18.96 V C57
2019-02-25 13:14:35 s 1 -197144.76 4 +195567.28 2980.0 C57
2019-02-25 13:41:02 C 08 46 25.70 -23 49 27.3 V 323
2019-02-25 13:44:35 S 08 46 24.137 -23 50 20.18 V C57
2019-02-25 13:44:35 s 1 -197230.60 3 +193720.33 2020.0 C57
2019-02-25 14:44:35 S 08 46 19.008 -23 50 19.61 V C57
2019-02-25 14:44:35 s 1 -197369.62 3 +189994.55 4660.0 C57
2019-02-25 15:44:35 S 08 46 14.014 -23 50 20.58 V C57
2019-02-25 15:44:35 s 1 -197464.18 3 +186226.08 5910.0 C57
2019-02-25 16:14:35 S 08 46 11.789 -23 50 17.63 V C57
2019-02-25 16:14:35 s 1 -197494.43 6 +184325.78 660.0 C57
2019-02-25 16:44:35 S 08 46 09.434 -23 50 19.90 V C57
2019-02-25 16:44:35 s 1 -197513.14 5 +182414.72 610.0 C57
2019-02-25 17:14:35 S 08 46 07.046 -23 50 19.90 V C57
2019-02-25 17:14:35 s 1 -197520.16 1 +180492.90 5090.0 C57
2019-02-25 17:44:35 S 08 46 04.644 -23 50 19.75 V C57
2019-02-25 17:44:35 s 1 -197515.33 0 +178560.27 3400.0 C57
2019-02-25 18:14:35 S 08 46 02.263 -23 50 21.95 V C57
2019-02-25 18:14:35 s 1 -197498.49 8 +176616.82 4830.0 C57
2019-02-25 18:44:35 S 08 45 59.856 -23 50 21.95 V C57
2019-02-25 18:44:35 s 1 -197469.50 7 +174662.53 8680.0 C57
2019-02-25 19:14:35 S 08 45 57.509 -23 50 22.20 V C57
2019-02-25 19:14:35 s 1 -197428.19 5 +172697.37 4210.0 C57
2019-02-25 19:44:35 S 08 45 55.073 -23 50 23.75 V C57
2019-02-25 19:44:35 s 1 -197374.39 8 +170721.31 650.0 C57
2019-02-25 20:14:35 S 08 45 52.670 -23 50 23.64 V C57
2019-02-25 20:14:35 s 1 -197307.94 8 +168734.34 7260.0 C57
2019-02-25 20:44:35 S 08 45 50.362 -23 50 24.65 V C57
2019-02-25 20:44:35 s 1 -197228.67 3 +166736.42 3230.0 C57
2019-02-25 21:14:35 S 08 45 47.930 -23 50 24.86 V C57
2019-02-25 21:14:35 s 1 -197136.39 8 +164727.55 7780.0 C57
2019-02-25 22:44:35 S 08 45 40.778 -23 50 25.91 V C57
2019-02-25 22:44:35 s 1 -196779.77 1 +158634.93 4610.0 C57
2019-02-25 23:14:35 S 08 45 38.326 -23 50 25.94 V C57
2019-02-25 23:14:35 s 1 -196633.67 2 +156581.99 5090.0 C57
2019-02-25 23:44:35 S 08 45 36.084 -23 50 27.60 V C57
2019-02-25 23:44:35 s 1 -196473.64 2 +154517.98 9880.0 C57
2019-02-26 00:14:35 S 08 45 33.758 -23 50 25.04 V C57
2019-02-26 00:14:35 s 1 -196299.48 1 +152442.89 8050.0 C57
2019-02-26 00:44:35 S 08 45 31.140 -23 50 28.07 V C57
2019-02-26 00:44:35 s 1 -196110.98 7 +150356.70 8670.0 C57