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
2021-01-30 02:34:06 s 1 +122569.25 8 +272995.39 20.0 C57
2021-01-30 02:44:06 S 07 52 10.058 +12 23 42.61 V C57
2021-01-30 02:44:06 s 1 +122309.60 0 +273523.66 5460.0 C57
2021-01-30 02:54:06 S 07 52 09.125 +12 23 35.41 V C57
2021-01-30 02:54:06 s 1 +122049.29 3 +274050.47 9680.0 C57
2021-01-30 03:04:06 S 07 52 08.366 +12 23 30.30 V C57
2021-01-30 03:04:06 s 1 +121788.34 1 +274575.83 2690.0 C57
2021-01-30 03:14:06 S 07 52 07.428 +12 23 25.87 V C57
2021-01-30 03:14:06 s 1 +121526.74 7 +275099.74 4500.0 C57
2021-01-30 03:24:06 S 07 52 06.550 +12 23 20.11 V C57
2021-01-30 03:24:06 s 1 +121264.51 6 +275622.21 5100.0 C57
2021-01-30 03:34:06 S 07 52 05.796 +12 23 14.96 V C57
2021-01-30 03:34:06 s 1 +121001.65 1 +276143.23 4520.0 C57
2021-01-30 03:44:06 S 07 52 05.011 +12 23 09.49 V C57
2021-01-30 03:44:06 s 1 +120738.15 6 +276662.81 2750.0 C57
2021-01-30 03:54:06 S 07 52 04.051 +12 23 02.40 V C57
2021-01-30 03:54:06 s 1 +120474.03 4 +277180.95 9800.0 C57
2021-01-30 04:04:06 S 07 52 03.223 +12 22 57.58 V C57
2021-01-30 04:04:06 s 1 +120209.28 8 +277697.65 5680.0 C57
2021-01-30 04:14:06 S 07 52 02.350 +12 22 54.16 V C57
2021-01-30 04:14:06 s 1 +119943.92 4 +278212.92 390.0 C57
2021-01-30 04:24:06 S 07 52 01.315 +12 22 46.49 V C57
2021-01-30 04:24:06 s 1 +119677.94 3 +278726.75 3950.0 C57
2021-01-30 04:34:06 S 07 52 00.586 +12 22 42.06 V C57
2021-01-30 04:34:06 s 1 +119411.35 0 +279239.16 6350.0 C57
2021-01-30 04:44:06 S 07 51 59.753 +12 22 35.94 V C57
2021-01-30 04:44:06 s 1 +119144.14 8 +279750.14 7610.0 C57
2021-01-30 04:54:06 S 07 51 58.846 +12 22 31.80 V C57
2021-01-30 04:54:06 s 1 +118876.34 1 +280259.70 7730.0 C57
2021-01-30 05:04:06 S 07 51 58.010 +12 22 24.38 V C57
2021-01-30 05:04:06 s 1 +118607.93 3 +280767.83 6710.0 C57
2021-01-30 05:14:06 S 07 51 57.146 +12 22 20.24 V C57
2021-01-30 05:14:06 s 1 +118338.92 6 +281274.54 4570.0 C57
2021-01-30 05:24:06 S 07 51 56.330 +12 22 15.20 V C57
2021-01-30 05:24:06 s 1 +118069.32 4 +281779.84 1300.0 C57
2021-01-30 05:34:06 S 07 51 55.435 +12 22 10.45 V C57
2021-01-30 05:34:06 s 1 +117799.13 0 +282283.72 6930.0 C57
2021-01-30 05:44:06 S 07 51 54.547 +12 22 05.23 V C57
2021-01-30 05:44:06 s 1 +117528.34 9 +282786.19 1440.0 C57
2021-01-30 05:54:06 S 07 51 53.729 +12 21 58.25 V C57
2021-01-30 05:54:06 s 1 +117256.98 3 +283287.25 4850.0 C57
2021-01-30 06:04:06 S 07 51 52.903 +12 21 55.44 V C57
2021-01-30 06:04:06 s 1 +116985.03 5 +283786.90 7170.0 C57
2021-01-30 06:14:06 S 07 51 52.090 +12 21 47.63 V C57
2021-01-30 06:14:06 s 1 +116712.51 0 +284285.14 8390.0 C57
2021-01-30 06:24:06 S 07 51 51.190 +12 21 42.30 V C57
2021-01-30 06:24:06 s 1 +116439.41 0 +284781.99 8530.0 C57
2021-01-30 06:34:06 S 07 51 50.160 +12 21 38.12 V C57
2021-01-30 06:34:06 s 1 +116165.73 9 +285277.43 7600.0 C57
2021-01-30 06:44:06 S 07 51 49.349 +12 21 34.24 V C57