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
2021-02-01 19:44:06 S 07 46 35.796 +11 48 44.60 – V C57
2021-02-01 20:04:06 S 07 46 33.989 +11 48 33.16 – V C57
2021-02-01 20:14:06 S 07 46 33.319 +11 48 26.35 – V C57
2021-02-01 20:24:06 S 07 46 32.422 +11 48 23.36 – V C57
2021-02-01 20:34:06 S 07 46 31.692 +11 48 16.02 – V C57
2021-02-01 20:44:06 S 07 46 30.835 +11 48 11.27 – V C57
2021-02-01 20:54:06 S 07 46 30.050 +11 48 05.80 – V C57
2021-02-01 21:04:06 S 07 46 29.064 +11 48 00.47 – V C57
2021-02-01 21:14:06 S 07 46 28.291 +11 47 54.20 – V C57
2021-02-01 21:24:06 S 07 46 27.468 +11 47 50.78 – V C57
2021-02-01 21:34:06 S 07 46 26.606 +11 47 44.41 – V C57
2021-02-01 21:44:06 S 07 46 25.692 +11 47 38.54 – V C57
2021-02-01 21:54:06 S 07 46 25.092 +11 47 34.66 – V C57
2021-02-01 22:04:06 S 07 46 24.216 +11 47 29.72 – V C57
2021-02-01 22:14:06 S 07 46 23.234 +11 47 22.31 – V C57
2021-02-01 22:14:06 s 1 -10074.091 0 +387440.84 4950.0 – C57
2021-02-01 22:24:06 S 07 46 22.366 +11 47 19.82 – V C57
2021-02-01 22:24:06 s 1 -10425.543 0 +387507.66 5760.0 – C57
2021-02-01 22:27:17 C 07 46 08.47 +11 45 46.0 16.4 q J43
2021-02-01 22:34:06 S 07 46 21.430 +11 47 13.70 – V C57
2021-02-01 22:34:06 s 1 -10776.967 0 +387573.54 6580.0 – C57
2021-02-01 22:39:46 C 07 46 07.43 +11 45 39.4 16.5 q J43
2021-02-01 22:44:06 S 07 46 20.758 +11 47 07.22 – V C57
2021-02-01 22:44:06 s 1 -11128.363 0 +387638.46 7410.0 – C57
2021-02-01 22:52:19 C 07 46 06.38 +11 45 32.8 16.5 q J43
2021-02-01 23:04:06 S 07 46 18.934 +11 46 57.29 – V C57
2021-02-01 23:04:06 s 1 -11831.070 0 +387765.43 9100.0 – C57
2021-02-01 23:04:39 C 07 46 05.34 +11 45 26.1 16.5 q J43
2021-02-01 23:14:06 S 07 46 18.194 +11 46 48.54 – V C57
2021-02-01 23:14:06 s 1 -12182.378 0 +387827.49 9950.0 – C57
2021-02-01 23:24:06 S 07 46 17.414 +11 46 47.96 – V C57
2021-02-01 23:24:06 s 1 -12533.655 0 +387888.60 800.0 – C57
2021-02-01 23:34:06 S 07 46 16.435 +11 46 36.77 – V C57
2021-02-01 23:34:06 s 1 -12884.900 0 +387948.75 1660.0 – C57
2021-02-01 23:44:06 S 07 46 15.518 +11 46 33.78 – V C57
2021-02-01 23:44:06 s 1 -13236.112 0 +388007.95 2520.0 – C57
2021-02-01 23:54:06 S 07 46 14.707 +11 46 28.49 – V C57
2021-02-01 23:54:06 s 1 -13587.291 0 +388066.20 3380.0 – C57
2021-02-02 00:04:06 S 07 46 14.009 +11 46 21.76 – V C57
2021-02-02 00:04:06 s 1 -13938.435 0 +388123.50 4230.0 – C57
2021-02-02 00:14:06 S 07 46 13.025 +11 46 17.22 – V C57
2021-02-02 00:14:06 s 1 -14289.544 0 +388179.85 5080.0 – C57
2021-02-02 00:24:06 S 07 46 12.360 +11 46 12.72 – V C57
2021-02-02 00:24:06 s 1 -14640.616 0 +388235.24 5930.0 – C57
2021-02-02 00:34:06 S 07 46 11.460 +11 46 07.93 – V C57
2021-02-02 00:34:06 s 1 -14991.652 0 +388289.69 6770.0 – C57
2021-02-02 00:44:06 S 07 46 10.541 +11 46 04.66 – V C57
2021-02-02 00:44:06 s 1 -15342.650 0 +388343.19 7600.0 – C57
2021-02-02 00:54:06 S 07 46 09.722 +11 45 56.27 – V C57
2021-02-02 00:54:06 s 1 -15693.609 0 +388395.74 8420.0 – C57