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 11:44:06 s 1 +12083.447 0 +381285.33 7720.0 C57
2021-02-01 11:54:06 S 07 47 15.799 +11 52 54.26 V C57
2021-02-01 11:54:06 s 1 +11732.073 0 +381413.27 680.0 C57
2021-02-01 12:04:06 S 07 47 15.012 +11 52 49.84 V C57
2021-02-01 12:04:06 s 1 +11380.669 0 +381540.24 3540.0 C57
2021-02-01 12:14:06 S 07 47 14.165 +11 52 42.60 V C57
2021-02-01 12:14:06 s 1 +11029.237 0 +381666.21 6290.0 C57
2021-02-01 12:24:06 S 07 47 13.262 +11 52 38.71 V C57
2021-02-01 12:24:06 s 1 +10677.778 0 +381791.21 8930.0 C57
2021-02-01 12:34:06 S 07 47 12.334 +11 52 34.64 V C57
2021-02-01 12:34:06 s 1 +10326.292 0 +381915.21 1470.0 C57
2021-02-01 12:44:06 S 07 47 11.484 +11 52 28.63 V C57
2021-02-01 12:54:06 S 07 47 10.783 +11 52 22.15 V C57
2021-02-01 13:04:06 S 07 47 09.749 +11 52 16.43 V C57
2021-02-01 13:14:06 S 07 47 08.988 +11 52 12.00 V C57
2021-02-01 13:24:06 S 07 47 08.160 +11 52 07.82 V C57
2021-02-01 13:34:06 S 07 47 07.380 +11 52 02.03 V C57
2021-02-01 13:44:06 S 07 47 06.564 +11 51 57.28 V C57
2021-02-01 13:54:06 S 07 47 05.525 +11 51 51.91 V C57
2021-02-01 14:04:06 S 07 47 04.697 +11 51 44.75 V C57
2021-02-01 14:14:06 S 07 47 03.917 +11 51 39.24 V C57
2021-02-01 14:24:06 S 07 47 03.048 +11 51 35.78 V C57
2021-02-01 14:34:06 S 07 47 02.083 +11 51 27.43 V C57
2021-02-01 14:44:06 S 07 47 01.358 +11 51 24.59 V C57
2021-02-01 14:54:06 S 07 47 00.518 +11 51 20.48 V C57
2021-02-01 15:04:06 S 07 46 59.678 +11 51 13.14 V C57
2021-02-01 15:14:06 S 07 46 58.802 +11 51 07.88 V C57
2021-02-01 15:24:06 S 07 46 57.955 +11 51 02.34 V C57
2021-02-01 15:34:06 S 07 46 57.197 +11 50 57.91 V C57
2021-02-01 15:44:06 S 07 46 56.280 +11 50 52.62 V C57
2021-02-01 15:54:06 S 07 46 55.519 +11 50 46.39 V C57
2021-02-01 16:04:06 S 07 46 54.444 +11 50 38.44 V C57
2021-02-01 16:14:06 S 07 46 53.743 +11 50 35.38 V C57
2021-02-01 16:24:06 S 07 46 52.882 +11 50 30.66 V C57
2021-02-01 16:34:06 S 07 46 52.087 +11 50 25.19 V C57
2021-02-01 16:44:06 S 07 46 51.187 +11 50 19.00 V C57
2021-02-01 16:54:06 S 07 46 50.177 +11 50 11.26 V C57
2021-02-01 17:04:06 S 07 46 49.337 +11 50 02.94 V C57
2021-02-01 17:14:06 S 07 46 48.790 +11 49 57.65 V C57
2021-02-01 17:34:06 S 07 46 47.314 +11 49 52.28 V C57
2021-02-01 17:44:06 S 07 46 46.010 +11 49 47.86 V C57
2021-02-01 18:04:06 S 07 46 44.374 +11 49 34.86 V C57
2021-02-01 18:14:06 S 07 46 43.543 +11 49 31.91 V C57
2021-02-01 18:24:06 S 07 46 42.768 +11 49 25.75 V C57
2021-02-01 18:34:06 S 07 46 41.923 +11 49 20.75 V C57
2021-02-01 18:44:06 S 07 46 40.870 +11 49 16.10 V C57
2021-02-01 18:54:06 S 07 46 40.025 +11 49 09.16 V C57
2021-02-01 19:04:06 S 07 46 39.269 +11 49 04.04 V C57
2021-02-01 19:14:06 S 07 46 38.585 +11 48 58.90 V C57
2021-02-01 19:24:06 S 07 46 37.673 +11 48 57.64 V C57