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
2021-01-23 18:34:06 S 08 05 29.062 +13 48 56.63 V C57
2021-01-23 18:34:06 s 1 -185410.26 9 +265793.20 5870.0 C57
2021-01-23 18:44:06 S 08 05 28.222 +13 48 52.34 V C57
2021-01-23 18:44:06 s 1 -185573.14 2 +265291.35 1290.0 C57
2021-01-23 18:54:06 S 08 05 27.132 +13 48 45.43 V C57
2021-01-23 18:54:06 s 1 -185735.24 0 +264788.40 5370.0 C57
2021-01-23 19:04:06 S 08 05 26.304 +13 48 39.46 V C57
2021-01-23 19:04:06 s 1 -185896.56 1 +264284.34 8100.0 C57
2021-01-23 19:14:06 S 08 05 25.250 +13 48 35.28 V C57
2021-01-23 19:14:06 s 1 -186057.10 1 +263779.17 9480.0 C57
2021-01-23 19:24:06 S 08 05 24.295 +13 48 27.36 V C57
2021-01-23 19:24:06 s 1 -186216.85 8 +263272.90 9500.0 C57
2021-01-23 19:34:06 S 08 05 23.362 +13 48 23.47 V C57
2021-01-23 19:34:06 s 1 -186375.82 8 +262765.52 8170.0 C57
2021-01-23 19:44:06 S 08 05 22.318 +13 48 17.17 V C57
2021-01-23 19:44:06 s 1 -186534.00 9 +262257.03 5460.0 C57
2021-01-23 19:54:06 S 08 05 21.377 +13 48 10.84 V C57
2021-01-23 19:54:06 s 1 -186691.39 8 +261747.42 1380.0 C57
2021-01-23 20:04:06 S 08 05 20.446 +13 48 05.15 V C57
2021-01-23 20:04:06 s 1 -186847.99 0 +261236.71 5920.0 C57
2021-01-23 20:14:06 S 08 05 19.589 +13 47 59.14 V C57
2021-01-23 20:14:06 s 1 -187003.78 5 +260724.88 9080.0 C57
2021-01-23 20:24:06 S 08 05 18.506 +13 47 53.02 V C57
2021-01-23 20:24:06 s 1 -187158.77 7 +260211.94 850.0 C57
2021-01-23 20:34:06 S 08 05 17.542 +13 47 46.82 V C57
2021-01-23 20:34:06 s 1 -187312.96 5 +259697.88 1220.0 C57
2021-01-23 20:44:06 S 08 05 16.591 +13 47 41.42 V C57
2021-01-23 20:44:06 s 1 -187466.34 5 +259182.71 190.0 C57
2021-01-23 20:54:06 S 08 05 15.660 +13 47 35.70 V C57
2021-01-23 20:54:06 s 1 -187618.91 4 +258666.42 7760.0 C57
2021-01-23 21:04:06 S 08 05 14.628 +13 47 28.75 V C57
2021-01-23 21:04:06 s 1 -187770.66 9 +258149.01 3910.0 C57
2021-01-23 21:14:06 S 08 05 13.627 +13 47 23.53 V C57
2021-01-23 21:14:06 s 1 -187921.60 7 +257630.47 8650.0 C57
2021-01-23 21:24:06 S 08 05 12.754 +13 47 19.72 V C57
2021-01-23 21:24:06 s 1 -188071.72 4 +257110.82 1960.0 C57
2021-01-23 21:34:06 S 08 05 11.674 +13 47 11.58 V C57
2021-01-23 21:34:06 s 1 -188221.01 7 +256590.05 3850.0 C57
2021-01-23 21:44:06 S 08 05 10.841 +13 47 07.37 V C57
2021-01-23 21:44:06 s 1 -188369.48 4 +256068.15 4300.0 C57
2021-01-23 21:54:06 S 08 05 09.737 +13 47 00.74 V C57
2021-01-23 21:54:06 s 1 -188517.12 1 +255545.13 3310.0 C57
2021-01-23 22:04:06 S 08 05 08.858 +13 46 53.87 V C57
2021-01-23 22:04:06 s 1 -188663.92 5 +255020.98 880.0 C57
2021-01-23 22:14:06 S 08 05 07.903 +13 46 46.67 V C57
2021-01-23 22:14:06 s 1 -188809.89 2 +254495.71 6990.0 C57
2021-01-23 22:24:06 S 08 05 06.972 +13 46 42.17 V C57
2021-01-23 22:24:06 s 1 -188955.01 9 +253969.31 1650.0 C57
2021-01-23 22:34:06 S 08 05 05.854 +13 46 34.82 V C57
2021-01-23 22:34:06 s 1 -189099.30 3 +253441.78 4840.0 C57