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
2021-01-23 00:44:06 S 08 07 12.902 +13 59 27.17 V C57
2021-01-23 00:44:06 s 1 -164051.23 7 +313318.15 9860.0 C57
2021-01-23 00:54:06 S 08 07 12.005 +13 59 22.56 V C57
2021-01-23 00:54:06 s 1 -164282.58 8 +312928.92 3290.0 C57
2021-01-23 01:04:06 S 08 07 11.002 +13 59 15.90 V C57
2021-01-23 01:04:06 s 1 -164513.41 1 +312538.68 5820.0 C57
2021-01-23 01:14:07 S 08 07 10.087 +13 59 10.21 V C57
2021-01-23 01:14:07 s 1 -164743.70 5 +312147.43 7430.0 C57
2021-01-23 01:44:06 S 08 07 07.061 +13 58 52.10 V C57
2021-01-23 01:44:06 s 1 -165431.39 2 +310967.63 6810.0 C57
2021-01-23 01:54:07 S 08 07 06.086 +13 58 47.32 V C57
2021-01-23 01:54:07 s 1 -165659.55 0 +310572.34 4760.0 C57
2021-01-23 02:04:06 S 08 07 05.081 +13 58 40.26 V C57
2021-01-23 02:04:06 s 1 -165887.17 0 +310176.04 1790.0 C57
2021-01-23 02:14:06 S 08 07 04.262 +13 58 35.15 V C57
2021-01-23 02:14:06 s 1 -166114.25 0 +309778.72 7900.0 C57
2021-01-23 02:24:06 S 08 07 03.185 +13 58 29.14 V C57
2021-01-23 02:24:06 s 1 -166340.78 7 +309380.39 3070.0 C57
2021-01-23 02:34:06 S 08 07 02.230 +13 58 23.16 V C57
2021-01-23 02:34:06 s 1 -166566.78 0 +308981.05 7310.0 C57
2021-01-23 02:44:07 S 08 07 01.361 +13 58 17.80 V C57
2021-01-23 02:44:07 s 1 -166792.22 7 +308580.69 610.0 C57
2021-01-23 02:54:06 S 08 07 00.283 +13 58 11.50 V C57
2021-01-23 02:54:06 s 1 -167017.12 6 +308179.31 2980.0 C57
2021-01-23 03:04:07 S 08 06 59.285 +13 58 05.27 V C57
2021-01-23 03:04:07 s 1 -167241.47 6 +307776.92 4400.0 C57
2021-01-23 03:14:06 S 08 06 58.238 +13 57 59.15 V C57
2021-01-23 03:14:06 s 1 -167465.27 3 +307373.51 4870.0 C57
2021-01-23 03:24:07 S 08 06 57.427 +13 57 53.46 V C57
2021-01-23 03:24:07 s 1 -167688.51 7 +306969.08 4390.0 C57
2021-01-23 03:34:06 S 08 06 56.424 +13 57 47.77 V C57
2021-01-23 03:34:06 s 1 -167911.20 6 +306563.63 2960.0 C57
2021-01-23 03:44:06 S 08 06 55.495 +13 57 42.26 V C57
2021-01-23 03:44:06 s 1 -168133.33 7 +306157.16 570.0 C57
2021-01-23 03:54:06 S 08 06 54.434 +13 57 35.32 V C57
2021-01-23 03:54:06 s 1 -168354.90 8 +305749.67 7220.0 C57
2021-01-23 04:04:06 S 08 06 53.450 +13 57 30.64 V C57
2021-01-23 04:04:06 s 1 -168575.91 8 +305341.16 2910.0 C57
2021-01-23 04:14:07 S 08 06 52.538 +13 57 24.62 V C57
2021-01-23 04:14:07 s 1 -168796.36 5 +304931.63 7630.0 C57
2021-01-23 04:24:06 S 08 06 51.494 +13 57 17.46 V C57
2021-01-23 04:24:06 s 1 -169016.24 7 +304521.07 1380.0 C57
2021-01-23 04:34:07 S 08 06 50.479 +13 57 12.13 V C57
2021-01-23 04:34:07 s 1 -169235.56 1 +304109.49 4160.0 C57
2021-01-23 04:44:06 S 08 06 49.586 +13 57 05.69 V C57
2021-01-23 04:44:06 s 1 -169454.30 6 +303696.89 5950.0 C57
2021-01-23 04:54:07 S 08 06 48.732 +13 57 01.62 V C57
2021-01-23 04:54:07 s 1 -169672.48 0 +303283.26 6770.0 C57
2021-01-23 05:04:06 S 08 06 47.580 +13 56 54.10 V C57
2021-01-23 05:04:06 s 1 -169890.08 0 +302868.60 6600.0 C57