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
2021-02-02 01:04:06 S 07 46 08.880 +11 45 51.88 – V C57
2021-02-02 01:04:06 s 1 -16044.528 0 +388447.34 9230.0 – C57
2021-02-02 01:14:06 S 07 46 08.081 +11 45 44.86 – V C57
2021-02-02 01:14:06 s 1 -16395.407 0 +388497.99 20.0 – C57
2021-02-02 01:24:06 S 07 46 07.174 +11 45 40.36 – V C57
2021-02-02 01:24:06 s 1 -16746.245 0 +388547.69 810.0 – C57
2021-02-02 01:34:06 S 07 46 06.329 +11 45 34.96 – V C57
2021-02-02 01:34:06 s 1 -17097.040 0 +388596.44 1570.0 – C57
2021-02-02 01:44:06 S 07 46 05.525 +11 45 29.48 – V C57
2021-02-02 01:44:06 s 1 -17447.793 0 +388644.25 2320.0 – C57
2021-02-02 01:54:06 S 07 46 04.586 +11 45 25.52 – V C57
2021-02-02 01:54:06 s 1 -17798.502 0 +388691.11 3060.0 – C57
2021-02-02 02:04:06 S 07 46 03.725 +11 45 19.37 – V C57
2021-02-02 02:04:06 s 1 -18149.166 0 +388737.03 3770.0 – C57
2021-02-02 02:14:06 S 07 46 03.043 +11 45 13.97 – V C57
2021-02-02 02:14:06 s 1 -18499.785 0 +388782.00 4460.0 – C57
2021-02-02 02:24:06 S 07 46 02.033 +11 45 09.72 – V C57
2021-02-02 02:24:06 s 1 -18850.358 0 +388826.02 5130.0 – C57
2021-02-02 02:44:06 S 07 46 00.427 +11 44 55.18 – V C57
2021-02-02 02:44:06 s 1 -19551.362 0 +388911.23 6390.0 – C57
2021-02-02 02:54:06 S 07 45 59.606 +11 44 55.39 – V C57
2021-02-02 02:54:06 s 1 -19901.791 0 +388952.41 6980.0 – C57
2021-02-02 03:04:06 S 07 45 58.675 +11 44 47.36 – V C57
2021-02-02 03:04:06 s 1 -20252.170 0 +388992.66 7540.0 – C57
2021-02-02 03:14:06 S 07 45 57.977 +11 44 42.14 – V C57
2021-02-02 03:14:06 s 1 -20602.499 0 +389031.95 8070.0 – C57
2021-02-02 03:24:06 S 07 45 57.218 +11 44 37.75 – V C57
2021-02-02 03:24:06 s 1 -20952.777 0 +389070.31 8570.0 – C57
2021-02-02 03:34:06 S 07 45 56.314 +11 44 31.63 – V C57
2021-02-02 03:34:06 s 1 -21303.003 0 +389107.72 9040.0 – C57
2021-02-02 06:04:06 S 07 45 43.718 +11 43 09.34 – V C57
2021-02-02 06:04:06 s 1 -26549.579 0 +389555.92 1120.0 – C57
2021-02-02 06:14:06 S 07 45 42.934 +11 43 07.82 – V C57
2021-02-02 06:14:06 s 1 -26898.859 0 +389578.28 870.0 – C57
2021-02-02 06:24:06 S 07 45 41.880 +11 43 01.92 – V C57
2021-02-02 06:24:06 s 1 -27248.073 0 +389599.71 560.0 – C57
2021-02-02 06:34:06 S 07 45 41.172 +11 42 55.40 – V C57
2021-02-02 06:34:06 s 1 -27597.221 0 +389620.20 180.0 – C57
2021-02-02 06:44:06 S 07 45 40.219 +11 42 51.26 – V C57
2021-02-02 06:44:06 s 1 -27946.301 0 +389639.75 9750.0 – C57
2021-02-02 06:54:06 S 07 45 39.353 +11 42 45.00 – V C57
2021-02-02 06:54:06 s 1 -28295.312 0 +389658.36 9260.0 – C57
2021-02-02 07:04:06 S 07 45 38.604 +11 42 39.46 – V C57
2021-02-02 07:04:06 s 1 -28644.254 0 +389676.04 8700.0 – C57
2021-02-02 07:14:06 S 07 45 37.754 +11 42 33.80 – V C57
2021-02-02 07:14:06 s 1 -28993.126 0 +389692.78 8080.0 – C57
2021-02-02 07:24:06 S 07 45 36.881 +11 42 27.94 – V C57
2021-02-02 07:24:06 s 1 -29341.926 0 +389708.58 7400.0 – C57
2021-02-02 07:34:06 S 07 45 35.998 +11 42 22.61 – V C57
2021-02-02 07:34:06 s 1 -29690.655 0 +389723.45 6640.0 – C57