IAA RAS IAA Minor Planet Database

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
2019-02-23 14:14:35 s 1 -154114.69 1 +325072.74 3410.0 – C57
2019-02-23 14:44:35 S 08 50 12.986 -23 48 09.65 – V C57
2019-02-23 14:44:35 s 1 -154839.07 0 +324126.67 9230.0 – C57
2019-02-23 15:14:35 S 08 50 10.495 -23 48 11.74 – V C57
2019-02-23 15:14:35 s 1 -155559.21 6 +323171.75 3030.0 – C57
2019-02-23 15:44:35 S 08 50 08.081 -23 48 13.43 – V C57
2019-02-23 15:44:35 s 1 -156275.09 2 +322207.98 4640.0 – C57
2019-02-23 16:14:35 S 08 50 05.542 -23 48 15.84 – V C57
2019-02-23 16:14:35 s 1 -156986.66 1 +321235.34 3910.0 – C57
2019-02-23 16:44:35 S 08 50 03.055 -23 48 19.19 – V C57
2019-02-23 16:44:35 s 1 -157693.88 4 +320253.84 650.0 – C57
2019-02-23 17:14:35 S 08 50 00.650 -23 48 19.08 – V C57
2019-02-23 17:14:35 s 1 -158396.72 4 +319263.45 4690.0 – C57
2019-02-23 17:44:35 S 08 49 58.207 -23 48 20.16 – V C57
2019-02-23 17:44:35 s 1 -159095.14 3 +318264.16 5860.0 – C57
2019-02-23 18:14:35 S 08 49 55.697 -23 48 24.55 – V C57
2019-02-23 18:14:35 s 1 -159789.10 1 +317255.97 3990.0 – C57
2019-02-23 18:44:35 S 08 49 53.186 -23 48 25.45 – V C57
2019-02-23 18:44:35 s 1 -160478.56 0 +316238.87 8900.0 – C57
2019-02-23 19:14:35 S 08 49 50.827 -23 48 26.93 – V C57
2019-02-23 19:14:35 s 1 -161163.47 9 +315212.84 400.0 – C57
2019-02-23 19:44:35 S 08 49 48.360 -23 48 31.14 – V C57
2019-02-23 19:44:35 s 1 -161843.81 9 +314177.87 8320.0 – C57
2019-02-23 20:14:35 S 08 49 45.962 -23 48 31.28 – V C57
2019-02-23 20:14:35 s 1 -162519.54 0 +313133.95 2480.0 – C57
2019-02-23 20:44:35 S 08 49 43.272 -23 48 33.73 – V C57
2019-02-23 20:44:35 s 1 -163190.60 0 +312081.07 2680.0 – C57
2019-02-23 21:14:35 S 08 49 40.860 -23 48 34.20 – V C57
2019-02-23 21:14:35 s 1 -163856.95 8 +311019.22 8760.0 – C57
2019-02-23 21:44:35 S 08 49 38.508 -23 48 37.55 – V C57
2019-02-23 21:44:35 s 1 -164518.57 2 +309948.39 510.0 – C57
2019-02-24 02:14:35 S 08 49 16.094 -23 48 54.36 – V C57
2019-02-24 02:14:35 s 1 -170252.52 9 +299904.45 9760.0 – C57
2019-02-24 03:14:35 S 08 49 11.333 -23 48 57.02 – V C57
2019-02-24 03:14:35 s 1 -171470.85 8 +297572.53 8750.0 – C57
2019-02-24 03:44:35 S 08 49 08.851 -23 48 59.22 – V C57
2019-02-24 03:44:35 s 1 -172072.12 4 +296392.85 3240.0 – C57
2019-02-24 04:44:35 S 08 49 04.111 -23 48 58.28 – V C57
2019-02-24 04:44:35 s 1 -173258.61 7 +294006.01 1160.0 – C57
2019-02-24 05:44:35 S 08 48 59.174 -23 49 04.94 – V C57
2019-02-24 05:44:35 s 1 -174423.39 8 +291582.41 9510.0 – C57
2019-02-24 06:14:35 S 08 48 56.729 -23 49 05.92 – V C57
2019-02-24 06:14:35 s 1 -174997.52 1 +290356.78 7040.0 – C57
2019-02-24 06:44:35 S 08 48 54.262 -23 49 08.04 – V C57
2019-02-24 06:44:35 s 1 -175566.06 4 +289121.92 6490.0 – C57
2019-02-24 07:14:35 S 08 48 51.859 -23 49 09.05 – V C57
2019-02-24 07:14:35 s 1 -176128.97 6 +287877.80 7650.0 – C57
2019-02-24 07:44:35 S 08 48 49.447 -23 49 11.14 – V C57
2019-02-24 07:44:35 s 1 -176686.20 4 +286624.41 280.0 – C57
2019-02-24 08:14:35 S 08 48 46.990 -23 49 12.61 – V C57