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
2019-02-10 11:44:35 S 09 16 47.832 -22 36 07.20 V C57
2019-02-10 11:44:35 s 1 -153873.31 5 +332476.09 6980.0 C57
2019-02-10 12:14:35 S 09 16 45.156 -22 36 18.54 V C57
2019-02-10 12:14:35 s 1 -154589.56 7 +331586.93 4660.0 C57
2019-02-10 12:44:35 S 09 16 42.456 -22 36 28.48 V C57
2019-02-10 12:44:35 s 1 -155301.93 7 +330689.16 1110.0 C57
2019-02-10 13:14:35 S 09 16 39.708 -22 36 39.53 V C57
2019-02-10 13:14:35 s 1 -156010.39 3 +329782.78 6200.0 C57
2019-02-10 13:44:35 S 09 16 37.049 -22 36 50.51 V C57
2019-02-10 13:44:35 s 1 -156714.90 0 +328867.77 9760.0 C57
2019-02-10 14:14:35 S 09 16 34.428 -22 37 01.56 V C57
2019-02-10 14:14:35 s 1 -157415.42 3 +327944.13 1630.0 C57
2019-02-10 14:44:35 S 09 16 31.690 -22 37 13.04 V C57
2019-02-10 14:44:35 s 1 -158111.92 9 +327011.85 1660.0 C57
2019-02-10 15:14:35 S 09 16 29.045 -22 37 21.83 V C57
2019-02-10 15:14:35 s 1 -158804.38 1 +326070.92 9690.0 C57
2019-02-10 15:44:35 S 09 16 26.198 -22 37 32.77 V C57
2019-02-10 15:44:35 s 1 -159492.74 4 +325121.32 5560.0 C57
2019-02-10 16:14:35 S 09 16 23.592 -22 37 43.46 V C57
2019-02-10 16:14:35 s 1 -160176.98 3 +324163.05 9110.0 C57
2019-02-10 16:44:35 S 09 16 20.858 -22 37 55.99 V C57
2019-02-10 16:44:35 s 1 -160857.06 0 +323196.10 170.0 C57
2019-02-10 17:14:35 S 09 16 18.158 -22 38 06.29 V C57
2019-02-10 17:14:35 s 1 -161532.94 1 +322220.46 8590.0 C57
2019-02-10 17:44:35 S 09 16 15.319 -22 38 17.34 V C57
2019-02-10 17:44:35 s 1 -162204.58 7 +321236.11 4190.0 C57
2019-02-10 18:14:35 S 09 16 12.794 -22 38 27.71 V C57
2019-02-10 18:14:35 s 1 -162871.96 2 +320243.05 6800.0 C57
2019-02-10 18:44:35 S 09 16 10.037 -22 38 37.82 V C57
2019-02-10 18:44:35 s 1 -163535.02 7 +319241.27 6270.0 C57
2019-02-10 19:14:35 S 09 16 07.423 -22 38 49.31 V C57
2019-02-10 19:14:35 s 1 -164193.74 6 +318230.75 2410.0 C57
2019-02-10 19:44:35 S 09 16 04.692 -22 38 58.56 V C57
2019-02-10 19:44:35 s 1 -164848.07 8 +317211.48 5050.0 C57
2019-02-10 20:14:35 S 09 16 01.968 -22 39 09.22 V C57
2019-02-10 20:14:35 s 1 -165497.98 7 +316183.45 4030.0 C57
2019-02-10 20:44:35 S 09 15 59.326 -22 39 19.62 V C57
2019-02-10 20:44:35 s 1 -166143.43 2 +315146.65 9160.0 C57
2019-02-10 21:14:35 S 09 15 56.609 -22 39 30.42 V C57
2019-02-10 21:14:35 s 1 -166784.37 4 +314101.06 270.0 C57
2019-02-10 21:44:35 S 09 15 53.786 -22 39 40.82 V C57
2019-02-10 21:44:35 s 1 -167420.77 2 +313046.69 7170.0 C57
2019-02-10 22:14:35 S 09 15 51.314 -22 39 50.62 V C57
2019-02-10 22:14:35 s 1 -168052.58 7 +311983.50 9700.0 C57
2019-02-10 22:44:35 S 09 15 48.466 -22 40 00.88 V C57
2019-02-10 22:44:35 s 1 -168679.77 7 +310911.50 7650.0 C57
2019-02-10 23:14:35 S 09 15 45.679 -22 40 13.98 V C57
2019-02-10 23:14:35 s 1 -169302.30 2 +309830.66 850.0 C57
2019-02-10 23:44:35 S 09 15 42.888 -22 40 24.46 V C57
2019-02-10 23:44:35 s 1 -169920.11 9 +308740.98 9120.0 C57