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
2021-02-04 10:04:06 s 1 -128159.40 2 +351708.36 9710.0 C57
2021-02-04 10:14:06 S 07 41 24.871 +11 15 31.32 V C57
2021-02-04 10:14:06 s 1 -128446.81 7 +351441.88 8670.0 C57
2021-02-04 10:24:06 S 07 41 24.108 +11 15 27.36 V C57
2021-02-04 10:24:06 s 1 -128733.88 2 +351174.44 7060.0 C57
2021-02-04 10:34:06 S 07 41 23.234 +11 15 18.50 V C57
2021-02-04 10:34:06 s 1 -129020.59 6 +350906.06 4880.0 C57
2021-02-04 10:44:06 S 07 41 22.536 +11 15 13.21 V C57
2021-02-04 10:44:06 s 1 -129306.95 8 +350636.72 2140.0 C57
2021-02-04 10:54:06 S 07 41 21.742 +11 15 09.86 V C57
2021-02-04 10:54:06 s 1 -129592.96 6 +350366.44 8830.0 C57
2021-02-04 11:14:06 S 07 41 20.064 +11 15 00.72 V C57
2021-02-04 11:14:06 s 1 -130163.91 7 +349823.01 480.0 C57
2021-02-04 11:24:06 S 07 41 19.265 +11 14 54.20 V C57
2021-02-04 11:24:06 s 1 -130448.85 8 +349549.87 5440.0 C57
2021-02-04 11:44:06 S 07 41 17.940 +11 14 42.18 V C57
2021-02-04 11:44:06 s 1 -131017.66 2 +349000.73 3620.0 C57
2021-02-04 11:54:06 S 07 41 16.884 +11 14 40.85 V C57
2021-02-04 11:54:06 s 1 -131301.52 4 +348724.73 6840.0 C57
2021-02-04 12:14:06 S 07 41 15.367 +11 14 31.27 V C57
2021-02-04 12:14:06 s 1 -131868.15 9 +348169.87 1510.0 C57
2021-02-04 12:24:06 S 07 41 14.486 +11 14 26.38 V C57
2021-02-04 12:24:06 s 1 -132150.93 1 +347891.01 2960.0 C57
2021-02-04 12:34:06 S 07 41 13.759 +11 14 17.02 V C57
2021-02-04 12:34:06 s 1 -132433.33 7 +347611.20 3820.0 C57
2021-02-04 12:44:06 S 07 41 12.809 +11 14 08.84 V C57
2021-02-04 12:44:06 s 1 -132715.37 6 +347330.43 4080.0 C57
2021-02-04 12:54:06 S 07 41 11.873 +11 14 05.75 V C57
2021-02-04 12:54:06 s 1 -132997.04 7 +347048.70 3750.0 C57
2021-02-04 13:04:06 S 07 41 11.330 +11 14 01.03 V C57
2021-02-04 13:04:06 s 1 -133278.34 8 +346766.01 2810.0 C57
2021-02-04 13:14:06 S 07 41 10.334 +11 13 56.14 V C57
2021-02-04 13:14:06 s 1 -133559.27 9 +346482.37 1280.0 C57
2021-02-04 13:24:06 S 07 41 09.610 +11 13 50.81 V C57
2021-02-04 13:24:06 s 1 -133839.83 8 +346197.78 9140.0 C57
2021-02-04 13:34:06 S 07 41 08.676 +11 13 44.26 V C57
2021-02-04 13:34:06 s 1 -134120.02 3 +345912.22 6390.0 C57
2021-02-04 13:44:06 S 07 41 08.062 +11 13 43.21 V C57
2021-02-04 13:44:06 s 1 -134399.83 4 +345625.71 3030.0 C57
2021-02-04 13:54:06 S 07 41 07.169 +11 13 34.93 V C57
2021-02-04 13:54:06 s 1 -134679.26 9 +345338.24 9070.0 C57
2021-02-04 14:04:06 S 07 41 06.382 +11 13 31.15 V C57
2021-02-04 14:04:06 s 1 -134958.32 7 +345049.81 4490.0 C57
2021-02-04 14:14:06 S 07 41 05.482 +11 13 22.44 V C57
2021-02-04 14:14:06 s 1 -135237.00 7 +344760.42 9290.0 C57
2021-02-04 14:24:06 S 07 41 04.577 +11 13 19.02 V C57
2021-02-04 14:24:06 s 1 -135515.30 8 +344470.07 3470.0 C57
2021-02-04 14:34:06 S 07 41 03.926 +11 13 13.51 V C57
2021-02-04 14:34:06 s 1 -135793.22 7 +344178.76 7040.0 C57
2021-02-04 14:44:06 S 07 41 03.139 +11 13 08.69 V C57