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
2021-01-28 22:24:06 s 1 +152806.43 4 +160282.69 2460.0 C57
2021-01-28 22:34:06 S 07 54 35.004 +12 38 49.81 V C57
2021-01-28 22:34:06 s 1 +152742.58 6 +161104.00 340.0 C57
2021-01-28 22:44:06 S 07 54 34.164 +12 38 43.08 V C57
2021-01-28 22:44:06 s 1 +152676.77 9 +161923.25 4630.0 C57
2021-01-28 22:54:06 S 07 54 33.173 +12 38 38.76 V C57
2021-01-28 22:54:06 s 1 +152609.02 9 +162740.43 5340.0 C57
2021-01-28 23:04:06 S 07 54 32.354 +12 38 31.99 V C57
2021-01-28 23:04:06 s 1 +152539.34 9 +163555.55 2510.0 C57
2021-01-28 23:14:06 S 07 54 31.534 +12 38 27.74 V C57
2021-01-28 23:14:06 s 1 +152467.75 6 +164368.61 6160.0 C57
2021-01-28 23:24:06 S 07 54 30.754 +12 38 22.27 V C57
2021-01-28 23:24:06 s 1 +152394.26 4 +165179.61 6330.0 C57
2021-01-28 23:34:06 S 07 54 29.796 +12 38 16.30 V C57
2021-01-28 23:34:06 s 1 +152318.88 6 +165988.57 3020.0 C57
2021-01-28 23:44:06 S 07 54 28.994 +12 38 11.65 V C57
2021-01-28 23:44:06 s 1 +152241.63 8 +166795.49 6280.0 C57
2021-01-28 23:54:06 S 07 54 28.087 +12 38 08.09 V C57
2021-01-28 23:54:06 s 1 +152162.53 3 +167600.36 6130.0 C57
2021-01-29 00:04:06 S 07 54 27.269 +12 38 00.78 V C57
2021-01-29 00:04:06 s 1 +152081.58 5 +168403.20 2580.0 C57
2021-01-29 00:14:06 S 07 54 26.398 +12 37 55.92 V C57
2021-01-29 00:14:06 s 1 +151998.80 9 +169204.01 5680.0 C57
2021-01-29 00:24:06 S 07 54 25.500 +12 37 51.35 V C57
2021-01-29 00:24:06 s 1 +151914.21 7 +170002.80 5440.0 C57
2021-01-29 00:34:06 S 07 54 24.929 +12 37 44.83 V C57
2021-01-29 00:34:06 s 1 +151827.82 5 +170799.56 1880.0 C57
2021-01-29 00:44:06 S 07 54 23.798 +12 37 36.88 V C57
2021-01-29 00:44:06 s 1 +151739.64 4 +171594.31 5040.0 C57
2021-01-29 00:54:06 S 07 54 23.050 +12 37 37.81 V C57
2021-01-29 00:54:06 s 1 +151649.68 8 +172387.04 4930.0 C57
2021-01-29 01:24:06 S 07 54 20.393 +12 37 16.64 V C57
2021-01-29 01:24:06 s 1 +151369.30 5 +174753.22 5260.0 C57
2021-01-29 01:34:06 S 07 54 19.790 +12 37 14.16 V C57
2021-01-29 01:34:06 s 1 +151272.38 1 +175537.95 2340.0 C57
2021-01-29 01:44:06 S 07 54 18.691 +12 37 07.39 V C57
2021-01-29 01:44:06 s 1 +151173.74 7 +176320.69 6260.0 C57
2021-01-29 01:54:06 S 07 54 17.947 +12 37 03.22 V C57
2021-01-29 01:54:06 s 1 +151073.41 6 +177101.45 7070.0 C57
2021-01-29 02:04:06 S 07 54 17.160 +12 36 56.70 V C57
2021-01-29 02:04:06 s 1 +150971.39 9 +177880.23 4770.0 C57
2021-01-29 02:14:06 S 07 54 16.325 +12 36 51.30 V C57
2021-01-29 02:14:06 s 1 +150867.71 0 +178657.03 9390.0 C57
2021-01-29 02:24:06 S 07 54 15.350 +12 36 48.06 V C57
2021-01-29 02:24:06 s 1 +150762.36 0 +179431.86 950.0 C57
2021-01-29 02:34:06 S 07 54 14.602 +12 36 40.03 V C57
2021-01-29 02:34:06 s 1 +150655.36 1 +180204.72 9480.0 C57
2021-01-29 02:44:06 S 07 54 13.694 +12 36 35.89 V C57
2021-01-29 02:44:06 s 1 +150546.72 6 +180975.62 5000.0 C57
2021-01-29 02:54:06 S 07 54 12.725 +12 36 29.05 V C57