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 04:04:06 s 1 +28198.321 0 +374322.06 4300.0 – C57
2021-02-01 04:14:06 S 07 47 55.020 +11 57 02.27 – V C57
2021-02-01 04:14:06 s 1 +27849.345 0 +374496.10 4120.0 – C57
2021-02-01 04:24:06 S 07 47 54.084 +11 56 58.16 – V C57
2021-02-01 04:24:06 s 1 +27500.293 0 +374669.11 3750.0 – C57
2021-02-01 04:34:06 S 07 47 53.266 +11 56 50.32 – V C57
2021-02-01 04:34:06 s 1 +27151.168 0 +374841.11 3190.0 – C57
2021-02-01 04:44:06 S 07 47 52.255 +11 56 45.35 – V C57
2021-02-01 04:44:06 s 1 +26801.971 0 +375012.10 2440.0 – C57
2021-02-01 04:54:06 S 07 47 51.374 +11 56 38.26 – V C57
2021-02-01 04:54:06 s 1 +26452.702 0 +375182.06 1520.0 – C57
2021-02-01 05:04:06 S 07 47 50.827 +11 56 33.11 – V C57
2021-02-01 05:04:06 s 1 +26103.362 0 +375351.02 410.0 – C57
2021-02-01 05:14:06 S 07 47 49.750 +11 56 25.58 – V C57
2021-02-01 05:14:06 s 1 +25753.953 0 +375518.96 9120.0 – C57
2021-02-01 05:24:06 S 07 47 48.900 +11 56 26.12 – V C57
2021-02-01 05:24:06 s 1 +25404.475 0 +375685.89 7660.0 – C57
2021-02-01 05:34:06 S 07 47 48.168 +11 56 18.13 – V C57
2021-02-01 05:34:06 s 1 +25054.930 0 +375851.80 6020.0 – C57
2021-02-01 05:44:06 S 07 47 47.263 +11 56 12.98 – V C57
2021-02-01 05:44:06 s 1 +24705.318 0 +376016.71 4200.0 – C57
2021-02-01 05:54:06 S 07 47 46.476 +11 56 08.81 – V C57
2021-02-01 05:54:06 s 1 +24355.641 0 +376180.60 2220.0 – C57
2021-02-01 06:04:06 S 07 47 45.562 +11 56 05.68 – V C57
2021-02-01 06:04:06 s 1 +24005.899 0 +376343.48 60.0 – C57
2021-02-01 06:05:48 C 07 47 29.35 +11 54 30.2 – V 703
2021-02-01 06:13:28 C 07 47 28.67 +11 54 26.2 – V 703
2021-02-01 06:14:06 S 07 47 44.695 +11 55 59.99 – V C57
2021-02-01 06:14:06 s 1 +23656.094 0 +376505.36 7730.0 – C57
2021-02-01 06:21:08 C 07 47 28.01 +11 54 22.0 – V 703
2021-02-01 06:24:06 S 07 47 43.788 +11 55 52.10 – V C57
2021-02-01 06:24:06 s 1 +23306.226 0 +376666.22 5240.0 – C57
2021-02-01 06:28:48 C 07 47 27.36 +11 54 17.7 – V 703
2021-02-01 06:34:06 S 07 47 43.135 +11 55 46.60 – V C57
2021-02-01 06:34:06 s 1 +22956.298 0 +376826.08 2580.0 – C57
2021-02-01 06:44:06 S 07 47 42.077 +11 55 39.47 – V C57
2021-02-01 06:44:06 s 1 +22606.308 0 +376984.93 9760.0 – C57
2021-02-01 06:54:06 S 07 47 41.383 +11 55 34.61 – V C57
2021-02-01 06:54:06 s 1 +22256.260 0 +377142.77 6780.0 – C57
2021-02-01 07:04:06 S 07 47 40.517 +11 55 31.51 – V C57
2021-02-01 07:04:06 s 1 +21906.153 0 +377299.61 3640.0 – C57
2021-02-01 07:14:06 S 07 47 39.458 +11 55 23.20 – V C57
2021-02-01 07:14:06 s 1 +21555.988 0 +377455.44 340.0 – C57
2021-02-01 07:24:06 S 07 47 38.690 +11 55 20.50 – V C57
2021-02-01 07:24:06 s 1 +21205.767 0 +377610.27 6880.0 – C57
2021-02-01 07:34:06 S 07 47 37.920 +11 55 12.97 – V C57
2021-02-01 07:34:06 s 1 +20855.491 0 +377764.09 3270.0 – C57
2021-02-01 07:44:06 S 07 47 37.090 +11 55 11.46 – V C57
2021-02-01 07:44:06 s 1 +20505.160 0 +377916.91 9500.0 – C57
2021-02-01 07:54:06 S 07 47 36.010 +11 55 03.76 – V C57