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 14:54:06 S 07 51 07.270 +12 17 09.56 V C57
2021-01-30 14:54:06 s 1 +101821.37 6 +308312.91 8680.0 C57
2021-01-30 15:04:06 S 07 51 06.329 +12 17 02.54 V C57
2021-01-30 15:04:06 s 1 +101522.52 6 +308739.82 9930.0 C57
2021-01-30 15:14:06 S 07 51 05.436 +12 16 56.39 V C57
2021-01-30 15:14:06 s 1 +101223.25 3 +309165.43 360.0 C57
2021-01-30 15:24:06 S 07 51 04.531 +12 16 50.88 V C57
2021-01-30 15:24:06 s 1 +100923.55 9 +309589.76 9990.0 C57
2021-01-30 15:34:06 S 07 51 03.696 +12 16 46.16 V C57
2021-01-30 15:34:06 s 1 +100623.44 6 +310012.80 8820.0 C57
2021-01-30 15:44:06 S 07 51 02.914 +12 16 39.65 V C57
2021-01-30 15:44:06 s 1 +100322.91 7 +310434.55 6850.0 C57
2021-01-30 15:54:06 S 07 51 01.994 +12 16 34.86 V C57
2021-01-30 15:54:06 s 1 +100021.97 4 +310855.02 4080.0 C57
2021-01-30 16:04:06 S 07 51 01.147 +12 16 32.41 V C57
2021-01-30 16:04:06 s 1 +99720.620 0 +311274.21 530.0 C57
2021-01-30 16:14:06 S 07 51 00.230 +12 16 25.07 V C57
2021-01-30 16:14:06 s 1 +99418.856 0 +311692.11 6190.0 C57
2021-01-30 16:24:06 S 07 50 59.357 +12 16 19.02 V C57
2021-01-30 16:24:06 s 1 +99116.686 0 +312108.74 1070.0 C57
2021-01-30 16:34:06 S 07 50 58.591 +12 16 14.12 V C57
2021-01-30 16:34:06 s 1 +98814.112 0 +312524.10 5180.0 C57
2021-01-30 16:44:06 S 07 50 57.790 +12 16 09.88 V C57
2021-01-30 16:44:06 s 1 +98511.136 0 +312938.17 8510.0 C57
2021-01-30 16:54:06 S 07 50 56.875 +12 16 04.48 V C57
2021-01-30 16:54:06 s 1 +98207.760 0 +313350.98 1080.0 C57
2021-01-30 17:04:06 S 07 50 55.906 +12 15 56.23 V C57
2021-01-30 17:04:06 s 1 +97903.987 0 +313762.51 2880.0 C57
2021-01-30 17:14:06 S 07 50 55.068 +12 15 52.02 V C57
2021-01-30 17:14:06 s 1 +97599.819 0 +314172.78 3930.0 C57
2021-01-30 17:24:06 S 07 50 54.262 +12 15 47.74 V C57
2021-01-30 17:24:06 s 1 +97295.258 0 +314581.78 4210.0 C57
2021-01-30 17:34:06 S 07 50 53.390 +12 15 41.62 V C57
2021-01-30 17:34:06 s 1 +96990.307 0 +314989.51 3750.0 C57
2021-01-30 17:44:06 S 07 50 52.514 +12 15 37.48 V C57
2021-01-30 17:44:06 s 1 +96684.968 0 +315395.98 2540.0 C57
2021-01-30 17:54:06 S 07 50 51.631 +12 15 30.13 V C57
2021-01-30 17:54:06 s 1 +96379.243 0 +315801.19 590.0 C57
2021-01-30 18:04:06 S 07 50 50.810 +12 15 25.78 V C57
2021-01-30 18:04:06 s 1 +96073.134 0 +316205.13 7900.0 C57
2021-01-30 18:14:06 S 07 50 49.949 +12 15 21.17 V C57
2021-01-30 18:14:06 s 1 +95766.644 0 +316607.82 4470.0 C57
2021-01-30 18:24:06 S 07 50 48.931 +12 15 15.91 V C57
2021-01-30 18:24:06 s 1 +95459.775 0 +317009.25 310.0 C57
2021-01-30 18:34:06 S 07 50 48.137 +12 15 09.00 V C57
2021-01-30 18:34:06 s 1 +95152.528 0 +317409.43 5430.0 C57
2021-01-30 18:44:06 S 07 50 47.374 +12 15 05.87 V C57
2021-01-30 18:44:06 s 1 +94844.908 0 +317808.35 9820.0 C57
2021-01-30 18:54:06 S 07 50 46.428 +12 15 00.07 V C57
2021-01-30 18:54:06 s 1 +94536.914 0 +318206.02 3500.0 C57