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
2021-01-31 18:54:06 S 07 48 42.818 +12 02 03.30 V C57
2021-01-31 18:54:06 s 1 +47245.420 0 +363160.54 8530.0 C57
2021-01-31 19:04:06 S 07 48 41.983 +12 01 58.51 V C57
2021-01-31 19:04:06 s 1 +46902.234 0 +363391.76 1680.0 C57
2021-01-31 19:54:06 S 07 48 37.759 +12 01 32.30 V C57
2021-01-31 19:54:06 s 1 +45184.286 0 +364531.94 2990.0 C57
2021-01-31 20:25:55 C 07 48 17.75 +11 59 40.4 V G17
2021-01-31 20:28:36 C 07 48 17.53 +11 59 38.7 V G17
2021-01-31 20:31:17 C 07 48 17.29 +11 59 37.5 V G17
2021-01-31 20:34:06 S 07 48 34.363 +12 01 08.87 V C57
2021-01-31 20:34:06 s 1 +43807.575 0 +365425.02 6870.0 C57
2021-01-31 20:44:06 S 07 48 33.482 +12 01 03.50 V C57
2021-01-31 20:44:06 s 1 +43463.080 0 +365645.65 7140.0 C57
2021-01-31 20:54:06 S 07 48 32.494 +12 00 59.15 V C57
2021-01-31 20:54:06 s 1 +43118.460 0 +365865.23 7140.0 C57
2021-01-31 21:04:06 S 07 48 31.637 +12 00 53.14 V C57
2021-01-31 21:04:06 s 1 +42773.718 0 +366083.75 6860.0 C57
2021-01-31 21:14:06 S 07 48 30.794 +12 00 47.16 V C57
2021-01-31 21:14:06 s 1 +42428.853 0 +366301.22 6310.0 C57
2021-01-31 21:24:06 S 07 48 30.000 +12 00 43.70 V C57
2021-01-31 21:24:06 s 1 +42083.868 0 +366517.64 5490.0 C57
2021-01-31 21:34:06 S 07 48 29.030 +12 00 34.09 V C57
2021-01-31 21:34:06 s 1 +41738.763 0 +366733.01 4400.0 C57
2021-01-31 21:44:06 S 07 48 28.214 +12 00 32.87 V C57
2021-01-31 21:44:06 s 1 +41393.539 0 +366947.33 3040.0 C57
2021-01-31 21:54:06 S 07 48 27.415 +12 00 25.52 V C57
2021-01-31 21:54:06 s 1 +41048.198 0 +367160.60 1420.0 C57
2021-01-31 22:04:06 S 07 48 26.465 +12 00 20.41 V C57
2021-01-31 22:04:06 s 1 +40702.741 0 +367372.83 9540.0 C57
2021-01-31 22:14:06 S 07 48 25.574 +12 00 15.23 V C57
2021-01-31 22:14:06 s 1 +40357.168 0 +367584.00 7400.0 C57
2021-01-31 22:24:06 S 07 48 24.749 +12 00 08.50 V C57
2021-01-31 22:24:06 s 1 +40011.482 0 +367794.13 5010.0 C57
2021-01-31 22:34:06 S 07 48 23.945 +12 00 04.10 V C57
2021-01-31 22:34:06 s 1 +39665.683 0 +368003.22 2350.0 C57
2021-01-31 22:44:06 S 07 48 23.170 +11 59 59.28 V C57
2021-01-31 22:44:06 s 1 +39319.772 0 +368211.26 9450.0 C57
2021-01-31 22:54:06 S 07 48 22.267 +11 59 53.99 V C57
2021-01-31 22:54:06 s 1 +38973.750 0 +368418.26 6290.0 C57
2021-01-31 23:04:06 S 07 48 21.362 +11 59 49.02 V C57
2021-01-31 23:04:06 s 1 +38627.620 0 +368624.21 2880.0 C57
2021-01-31 23:14:06 S 07 48 20.712 +11 59 44.63 V C57
2021-01-31 23:14:06 s 1 +38281.380 0 +368829.12 9230.0 C57
2021-01-31 23:24:06 S 07 48 19.723 +11 59 40.27 V C57
2021-01-31 23:24:06 s 1 +37935.034 0 +369032.99 5330.0 C57
2021-01-31 23:34:06 S 07 48 19.001 +11 59 33.43 V C57
2021-01-31 23:34:06 s 1 +37588.582 0 +369235.83 1180.0 C57
2021-01-31 23:44:06 S 07 48 18.091 +11 59 28.07 V C57
2021-01-31 23:44:06 s 1 +37242.025 0 +369437.62 6800.0 C57
2021-01-31 23:54:06 S 07 48 17.038 +11 59 21.66 V C57