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
2021-01-24 14:04:06 s 1 -198309.06 8 +199272.41 9490.0 C57
2021-01-24 14:14:06 S 08 03 35.537 +13 37 23.27 V C57
2021-01-24 14:14:06 s 1 -198356.34 6 +198633.02 3350.0 C57
2021-01-24 14:24:06 S 08 03 34.548 +13 37 16.25 V C57
2021-01-24 14:24:06 s 1 -198402.36 3 +197992.37 4990.0 C57
2021-01-24 14:34:06 S 08 03 33.730 +13 37 11.35 V C57
2021-01-24 14:34:06 s 1 -198447.11 3 +197350.47 4410.0 C57
2021-01-24 14:44:06 S 08 03 32.614 +13 37 03.29 V C57
2021-01-24 14:44:06 s 1 -198490.58 9 +196707.30 1600.0 C57
2021-01-24 14:54:06 S 08 03 31.740 +13 36 58.28 V C57
2021-01-24 14:54:06 s 1 -198532.78 7 +196062.88 6540.0 C57
2021-01-24 15:04:06 S 08 03 30.854 +13 36 52.78 V C57
2021-01-24 15:04:06 s 1 -198573.70 0 +195417.20 9220.0 C57
2021-01-24 15:14:06 S 08 03 29.820 +13 36 46.94 V C57
2021-01-24 15:14:06 s 1 -198613.32 3 +194770.25 9640.0 C57
2021-01-24 15:24:06 S 08 03 28.870 +13 36 42.05 V C57
2021-01-24 15:24:06 s 1 -198651.64 8 +194122.04 7780.0 C57
2021-01-24 15:34:06 S 08 03 27.919 +13 36 36.29 V C57
2021-01-24 15:34:06 s 1 -198688.67 0 +193472.56 3630.0 C57
2021-01-24 15:44:06 S 08 03 26.969 +13 36 29.34 V C57
2021-01-24 15:44:06 s 1 -198724.38 4 +192821.82 7180.0 C57
2021-01-24 15:54:06 S 08 03 25.901 +13 36 23.18 V C57
2021-01-24 15:54:06 s 1 -198758.78 1 +192169.80 8430.0 C57
2021-01-24 16:04:06 S 08 03 24.996 +13 36 18.68 V C57
2021-01-24 16:04:06 s 1 -198791.85 8 +191516.52 7340.0 C57
2021-01-24 16:14:06 S 08 03 24.110 +13 36 10.94 V C57
2021-01-24 16:14:06 s 1 -198823.60 6 +190861.96 3930.0 C57
2021-01-24 16:24:06 S 08 03 23.124 +13 36 05.98 V C57
2021-01-24 16:24:06 s 1 -198854.02 0 +190206.13 8170.0 C57
2021-01-24 16:34:06 S 08 03 22.135 +13 36 00.36 V C57
2021-01-24 16:34:06 s 1 -198883.09 3 +189549.03 50.0 C57
2021-01-24 16:44:06 S 08 03 21.158 +13 35 54.35 V C57
2021-01-24 16:44:06 s 1 -198910.82 0 +188890.65 9570.0 C57
2021-01-24 16:54:06 S 08 03 20.345 +13 35 47.90 V C57
2021-01-24 16:54:06 s 1 -198937.19 3 +188230.99 6710.0 C57
2021-01-24 17:04:06 S 08 03 19.226 +13 35 39.26 V C57
2021-01-24 17:04:06 s 1 -198962.20 6 +187570.05 1450.0 C57
2021-01-24 17:14:06 S 08 03 18.370 +13 35 34.76 V C57
2021-01-24 17:14:06 s 1 -198985.85 3 +186907.83 3790.0 C57
2021-01-24 17:24:06 S 08 03 17.359 +13 35 30.01 V C57
2021-01-24 17:24:06 s 1 -199008.12 6 +186244.33 3720.0 C57
2021-01-24 17:34:06 S 08 03 16.363 +13 35 24.04 V C57
2021-01-24 17:34:06 s 1 -199029.02 0 +185579.54 1220.0 C57
2021-01-24 17:44:06 S 08 03 15.528 +13 35 19.54 V C57
2021-01-24 17:44:06 s 1 -199048.52 7 +184913.47 6280.0 C57
2021-01-24 17:54:06 S 08 03 14.597 +13 35 13.42 V C57
2021-01-24 17:54:06 s 1 -199066.64 1 +184246.12 8880.0 C57
2021-01-24 18:04:06 S 08 03 13.771 +13 35 09.31 V C57
2021-01-24 18:04:06 s 1 -199083.35 5 +183577.47 9030.0 C57
2021-01-24 18:14:06 S 08 03 12.622 +13 34 59.20 V C57