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
2021-01-25 04:14:06 s 1 -197150.72 0 +140296.68 7320.0 C57
2021-01-25 04:24:06 S 08 02 14.616 +13 28 59.63 V C57
2021-01-25 04:24:06 s 1 -197064.98 2 +139545.39 6380.0 C57
2021-01-25 04:34:06 S 08 02 13.718 +13 28 55.81 V C57
2021-01-25 04:34:06 s 1 -196977.29 3 +138792.72 1970.0 C57
2021-01-25 04:44:06 S 08 02 12.744 +13 28 49.84 V C57
2021-01-25 04:44:06 s 1 -196887.64 2 +138038.69 4080.0 C57
2021-01-25 04:54:06 S 08 02 11.808 +13 28 44.90 V C57
2021-01-25 04:54:06 s 1 -196796.01 7 +137283.28 2680.0 C57
2021-01-25 05:04:06 S 08 02 10.745 +13 28 37.96 V C57
2021-01-25 05:04:06 s 1 -196702.40 8 +136526.49 7770.0 C57
2021-01-25 05:14:06 S 08 02 09.854 +13 28 31.26 V C57
2021-01-25 05:14:06 s 1 -196606.80 3 +135768.32 9300.0 C57
2021-01-25 05:24:06 S 08 02 09.019 +13 28 27.16 V C57
2021-01-25 05:24:06 s 1 -196509.19 0 +135008.77 7280.0 C57
2021-01-25 05:34:06 S 08 02 08.038 +13 28 20.10 V C57
2021-01-25 05:34:06 s 1 -196409.55 7 +134247.85 1660.0 C57
2021-01-25 05:44:06 S 08 02 07.032 +13 28 13.94 V C57
2021-01-25 05:44:06 s 1 -196307.89 4 +133485.55 2440.0 C57
2021-01-25 05:54:06 S 08 02 06.005 +13 28 07.39 V C57
2021-01-25 05:54:06 s 1 -196204.18 7 +132721.86 9590.0 C57
2021-01-25 06:04:06 S 08 02 05.198 +13 28 03.14 V C57
2021-01-25 06:04:06 s 1 -196098.42 5 +131956.79 3090.0 C57
2021-01-25 06:14:06 S 08 02 04.265 +13 27 56.70 V C57
2021-01-25 06:14:06 s 1 -195990.59 6 +131190.34 2910.0 C57
2021-01-25 06:24:06 S 08 02 03.235 +13 27 49.21 V C57
2021-01-25 06:24:06 s 1 -195880.68 7 +130422.50 9040.0 C57
2021-01-25 06:34:06 S 08 02 02.326 +13 27 45.32 V C57
2021-01-25 06:34:06 s 1 -195768.68 7 +129653.28 1450.0 C57
2021-01-25 06:44:06 S 08 02 01.406 +13 27 37.91 V C57
2021-01-25 06:44:06 s 1 -195654.58 2 +128882.67 120.0 C57
2021-01-25 06:54:06 S 08 02 00.458 +13 27 32.15 V C57
2021-01-25 06:54:06 s 1 -195538.36 1 +128110.68 5020.0 C57
2021-01-25 07:04:06 S 08 01 59.462 +13 27 28.22 V C57
2021-01-25 07:04:06 s 1 -195420.01 0 +127337.30 6140.0 C57
2021-01-25 07:14:06 S 08 01 58.598 +13 27 20.63 V C57
2021-01-25 07:14:06 s 1 -195299.51 7 +126562.53 3450.0 C57
2021-01-25 07:24:06 S 08 01 57.605 +13 27 16.56 V C57
2021-01-25 07:24:06 s 1 -195176.86 9 +125786.37 6930.0 C57
2021-01-25 07:34:06 S 08 01 56.712 +13 27 08.53 V C57
2021-01-25 07:34:06 s 1 -195052.05 3 +125008.83 6550.0 C57
2021-01-25 07:44:06 S 08 01 55.723 +13 27 04.18 V C57
2021-01-25 07:44:06 s 1 -194925.05 6 +124229.89 2290.0 C57
2021-01-25 07:54:06 S 08 01 54.744 +13 26 57.30 V C57
2021-01-25 07:54:06 s 1 -194795.86 5 +123449.56 4130.0 C57
2021-01-25 08:04:06 S 08 01 53.928 +13 26 52.08 V C57
2021-01-25 08:04:06 s 1 -194664.46 6 +122667.84 2030.0 C57
2021-01-25 08:14:06 S 08 01 52.949 +13 26 45.24 V C57
2021-01-25 08:14:06 s 1 -194530.84 6 +121884.73 5990.0 C57
2021-01-25 08:24:06 S 08 01 51.862 +13 26 39.26 V C57