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 22:44:06 S 08 05 04.915 +13 46 31.48 V C57
2021-01-23 22:44:06 s 1 -189242.74 1 +252913.12 6570.0 C57
2021-01-23 22:54:06 S 08 05 03.970 +13 46 24.74 V C57
2021-01-23 22:54:06 s 1 -189385.32 9 +252383.32 6810.0 C57
2021-01-23 23:04:06 S 08 05 03.101 +13 46 18.44 V C57
2021-01-23 23:04:06 s 1 -189527.06 4 +251852.40 5580.0 C57
2021-01-23 23:14:06 S 08 05 02.081 +13 46 13.33 V C57
2021-01-23 23:14:06 s 1 -189667.94 2 +251320.34 2860.0 C57
2021-01-23 23:24:06 S 08 05 01.058 +13 46 06.56 V C57
2021-01-23 23:24:06 s 1 -189807.96 1 +250787.15 8650.0 C57
2021-01-23 23:34:06 S 08 05 00.134 +13 46 01.09 V C57
2021-01-23 23:34:06 s 1 -189947.11 7 +250252.81 2940.0 C57
2021-01-23 23:44:06 S 08 04 59.165 +13 45 54.83 V C57
2021-01-23 23:44:06 s 1 -190085.40 6 +249717.35 5720.0 C57
2021-01-23 23:54:06 S 08 04 58.138 +13 45 50.04 V C57
2021-01-23 23:54:06 s 1 -190222.82 5 +249180.74 6990.0 C57
2021-01-24 00:04:06 S 08 04 57.223 +13 45 42.84 V C57
2021-01-24 00:04:06 s 1 -190359.37 1 +248642.99 6750.0 C57
2021-01-24 00:14:06 S 08 04 56.242 +13 45 36.94 V C57
2021-01-24 00:14:06 s 1 -190495.03 9 +248104.11 4980.0 C57
2021-01-24 00:24:06 S 08 04 55.363 +13 45 31.90 V C57
2021-01-24 00:24:06 s 1 -190629.82 8 +247564.08 1680.0 C57
2021-01-24 00:29:38 C 08 04 58.24 +13 44 33.2 V W33
2021-01-24 00:34:06 S 08 04 54.367 +13 45 26.03 V C57
2021-01-24 00:34:06 s 1 -190763.73 2 +247022.91 6840.0 C57
2021-01-24 00:42:03 C 08 04 57.09 +13 44 26.1 V W33
2021-01-24 00:44:06 S 08 04 53.398 +13 45 20.66 V C57
2021-01-24 00:44:06 s 1 -190896.74 9 +246480.59 460.0 C57
2021-01-24 00:53:19 C 08 04 56.04 +13 44 19.7 V W33
2021-01-24 00:54:06 S 08 04 52.476 +13 45 13.21 V C57
2021-01-24 00:54:06 s 1 -191028.87 4 +245937.12 2540.0 C57
2021-01-24 01:04:06 S 08 04 51.494 +13 45 07.92 V C57
2021-01-24 01:04:06 s 1 -191160.10 5 +245392.51 3060.0 C57
2021-01-24 01:14:06 S 08 04 50.460 +13 45 02.63 V C57
2021-01-24 01:14:06 s 1 -191290.43 8 +244846.76 2010.0 C57
2021-01-24 01:24:06 S 08 04 49.591 +13 44 55.25 V C57
2021-01-24 01:24:06 s 1 -191419.87 0 +244299.85 9400.0 C57
2021-01-24 01:34:06 S 08 04 48.535 +13 44 50.82 V C57
2021-01-24 01:34:06 s 1 -191548.39 5 +243751.79 5210.0 C57
2021-01-24 01:44:06 S 08 04 47.515 +13 44 43.33 V C57
2021-01-24 01:44:06 s 1 -191676.01 2 +243202.58 9450.0 C57
2021-01-24 01:54:06 S 08 04 46.709 +13 44 38.65 V C57
2021-01-24 01:54:06 s 1 -191802.71 6 +242652.21 2090.0 C57
2021-01-24 02:04:06 S 08 04 45.600 +13 44 33.22 V C57
2021-01-24 02:04:06 s 1 -191928.50 4 +242100.69 3140.0 C57
2021-01-24 02:14:06 S 08 04 44.772 +13 44 28.00 V C57
2021-01-24 02:14:06 s 1 -192053.37 1 +241548.02 2590.0 C57
2021-01-24 02:24:06 S 08 04 43.718 +13 44 21.34 V C57
2021-01-24 02:24:06 s 1 -192177.31 5 +240994.19 430.0 C57
2021-01-24 02:34:06 S 08 04 42.883 +13 44 15.54 V C57