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
2021-01-24 23:34:06 s 1 -198802.02 2 +160779.86 5730.0 C57
2021-01-24 23:44:06 S 08 02 41.294 +13 31 48.18 V C57
2021-01-24 23:44:06 s 1 -198766.71 8 +160066.54 4120.0 C57
2021-01-24 23:54:06 S 08 02 40.265 +13 31 41.23 V C57
2021-01-24 23:54:06 s 1 -198729.74 1 +159351.89 9550.0 C57
2021-01-25 00:34:06 S 08 02 36.353 +13 31 16.97 V C57
2021-01-25 00:34:06 s 1 -198564.93 3 +156479.86 1370.0 C57
2021-01-25 00:44:06 S 08 02 35.474 +13 31 10.34 V C57
2021-01-25 00:44:06 s 1 -198519.46 0 +155758.49 1770.0 C57
2021-01-25 00:54:06 S 08 02 34.615 +13 31 07.79 V C57
2021-01-25 00:54:06 s 1 -198472.26 1 +155035.78 9110.0 C57
2021-01-25 01:04:06 S 08 02 33.542 +13 30 58.03 V C57
2021-01-25 01:04:06 s 1 -198423.32 5 +154311.71 3390.0 C57
2021-01-25 01:14:06 S 08 02 32.760 +13 30 54.11 V C57
2021-01-25 01:14:06 s 1 -198372.64 4 +153586.30 4570.0 C57
2021-01-25 01:24:06 S 08 02 31.632 +13 30 47.59 V C57
2021-01-25 01:24:06 s 1 -198320.20 9 +152859.54 2650.0 C57
2021-01-25 01:34:06 S 08 02 30.804 +13 30 43.60 V C57
2021-01-25 01:34:06 s 1 -198266.00 8 +152131.42 7600.0 C57
2021-01-25 01:44:06 S 08 02 29.760 +13 30 37.44 V C57
2021-01-25 01:44:06 s 1 -198210.03 4 +151401.95 9420.0 C57
2021-01-25 01:54:06 S 08 02 28.829 +13 30 30.64 V C57
2021-01-25 01:54:06 s 1 -198152.27 6 +150671.13 8070.0 C57
2021-01-25 02:04:06 S 08 02 27.799 +13 30 24.55 V C57
2021-01-25 02:04:06 s 1 -198092.72 4 +149938.95 3550.0 C57
2021-01-25 02:14:06 S 08 02 26.904 +13 30 17.46 V C57
2021-01-25 02:14:06 s 1 -198031.36 9 +149205.41 5830.0 C57
2021-01-25 02:24:06 S 08 02 26.071 +13 30 12.46 V C57
2021-01-25 02:24:06 s 1 -197968.20 0 +148470.52 4900.0 C57
2021-01-25 02:34:06 S 08 02 25.013 +13 30 05.51 V C57
2021-01-25 02:34:06 s 1 -197903.20 8 +147734.27 740.0 C57
2021-01-25 02:44:06 S 08 02 24.158 +13 30 00.40 V C57
2021-01-25 02:44:06 s 1 -197836.38 2 +146996.65 3330.0 C57
2021-01-25 02:54:06 S 08 02 23.095 +13 29 53.81 V C57
2021-01-25 02:54:06 s 1 -197767.71 2 +146257.67 2660.0 C57
2021-01-25 03:04:06 S 08 02 22.174 +13 29 48.19 V C57
2021-01-25 03:04:06 s 1 -197697.18 8 +145517.33 8690.0 C57
2021-01-25 03:14:06 S 08 02 21.187 +13 29 42.76 V C57
2021-01-25 03:14:06 s 1 -197624.79 9 +144775.63 1420.0 C57
2021-01-25 03:24:06 S 08 02 20.326 +13 29 36.35 V C57
2021-01-25 03:24:06 s 1 -197550.53 6 +144032.56 830.0 C57
2021-01-25 03:34:06 S 08 02 19.344 +13 29 30.59 V C57
2021-01-25 03:34:06 s 1 -197474.38 7 +143288.12 6890.0 C57
2021-01-25 03:44:06 S 08 02 18.386 +13 29 25.15 V C57
2021-01-25 03:44:06 s 1 -197396.34 1 +142542.31 9590.0 C57
2021-01-25 03:54:06 S 08 02 17.604 +13 29 20.69 V C57
2021-01-25 03:54:06 s 1 -197316.38 9 +141795.14 8910.0 C57
2021-01-25 04:04:06 S 08 02 16.406 +13 29 13.67 V C57
2021-01-25 04:04:06 s 1 -197234.51 9 +141046.59 4830.0 C57
2021-01-25 04:14:06 S 08 02 15.605 +13 29 08.70 V C57