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 21:24:06 S 07 44 26.522 +11 34 59.27 – V C57
2021-02-02 21:24:06 s 1 -58304.821 0 +387719.84 9370.0 – C57
2021-02-02 21:34:06 S 07 44 25.694 +11 34 56.21 – V C57
2021-02-02 21:34:06 s 1 -58644.627 0 +387656.92 7910.0 – C57
2021-02-02 21:44:06 S 07 44 24.754 +11 34 49.26 – V C57
2021-02-02 21:44:06 s 1 -58984.292 0 +387593.08 6250.0 – C57
2021-02-02 21:54:06 S 07 44 24.163 +11 34 44.04 – V C57
2021-02-02 21:54:06 s 1 -59323.816 0 +387528.33 4400.0 – C57
2021-02-02 22:04:06 S 07 44 23.124 +11 34 38.32 – V C57
2021-02-02 22:04:06 s 1 -59663.198 0 +387462.65 2370.0 – C57
2021-02-02 22:14:06 S 07 44 22.517 +11 34 35.62 – V C57
2021-02-02 22:14:06 s 1 -60002.436 0 +387396.06 140.0 – C57
2021-02-02 22:24:06 S 07 44 21.559 +11 34 29.17 – V C57
2021-02-02 22:24:06 s 1 -60341.530 0 +387328.55 7710.0 – C57
2021-02-02 22:34:06 S 07 44 20.873 +11 34 24.74 – V C57
2021-02-02 22:34:06 s 1 -60680.480 0 +387260.12 5100.0 – C57
2021-02-02 22:44:06 S 07 44 19.843 +11 34 18.05 – V C57
2021-02-02 22:44:06 s 1 -61019.283 0 +387190.77 2280.0 – C57
2021-02-02 22:54:06 S 07 44 19.018 +11 34 11.10 – V C57
2021-02-02 22:54:06 s 1 -61357.941 0 +387120.50 9270.0 – C57
2021-02-02 23:04:06 S 07 44 18.240 +11 34 08.36 – V C57
2021-02-02 23:04:06 s 1 -61696.451 0 +387049.31 6060.0 – C57
2021-02-02 23:14:06 S 07 44 17.282 +11 34 02.46 – V C57
2021-02-02 23:14:06 s 1 -62034.813 0 +386977.21 2640.0 – C57
2021-02-02 23:24:06 S 07 44 16.502 +11 33 57.49 – V C57
2021-02-02 23:24:06 s 1 -62373.027 0 +386904.19 9030.0 – C57
2021-02-02 23:34:06 S 07 44 15.778 +11 33 50.98 – V C57
2021-02-02 23:34:06 s 1 -62711.090 0 +386830.24 5210.0 – C57
2021-02-02 23:44:06 S 07 44 14.962 +11 33 46.87 – V C57
2021-02-02 23:44:06 s 1 -63049.004 0 +386755.39 1190.0 – C57
2021-02-02 23:54:06 S 07 44 14.066 +11 33 39.60 – V C57
2021-02-02 23:54:06 s 1 -63386.765 0 +386679.61 6950.0 – C57
2021-02-03 00:04:06 S 07 44 13.207 +11 33 36.36 – V C57
2021-02-03 00:04:06 s 1 -63724.375 0 +386602.92 2510.0 – C57
2021-02-03 00:14:06 S 07 44 12.322 +11 33 28.30 – V C57
2021-02-03 00:14:06 s 1 -64061.832 0 +386525.30 7870.0 – C57
2021-02-03 00:24:06 S 07 44 11.609 +11 33 22.93 – V C57
2021-02-03 00:24:06 s 1 -64399.134 0 +386446.77 3000.0 – C57
2021-02-03 00:34:06 S 07 44 10.706 +11 33 19.48 – V C57
2021-02-03 00:34:06 s 1 -64736.283 0 +386367.33 7930.0 – C57
2021-02-03 00:44:06 S 07 44 09.941 +11 33 14.83 – V C57
2021-02-03 00:44:06 s 1 -65073.275 0 +386286.96 2650.0 – C57
2021-02-03 00:54:06 S 07 44 09.170 +11 33 10.01 – V C57
2021-02-03 00:54:06 s 1 -65410.112 0 +386205.68 7140.0 – C57
2021-02-03 01:04:06 S 07 44 08.230 +11 33 04.28 – V C57
2021-02-03 01:04:06 s 1 -65746.791 0 +386123.48 1420.0 – C57
2021-02-03 01:14:06 S 07 44 07.418 +11 32 57.62 – V C57
2021-02-03 01:14:06 s 1 -66083.313 0 +386040.36 5490.0 – C57
2021-02-03 01:24:06 S 07 44 06.458 +11 32 52.51 – V C57
2021-02-03 01:24:06 s 1 -66419.675 0 +385956.32 9330.0 – C57