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 06:44:06 s 1 +115891.50 0 +285771.47 5590.0 C57
2021-01-30 06:54:06 S 07 51 48.456 +12 21 25.60 V C57
2021-01-30 06:54:06 s 1 +115616.69 6 +286264.12 2520.0 C57
2021-01-30 07:04:06 S 07 51 47.698 +12 21 21.13 V C57
2021-01-30 07:04:06 s 1 +115341.33 1 +286755.38 8380.0 C57
2021-01-30 07:14:06 S 07 51 46.858 +12 21 16.06 V C57
2021-01-30 07:14:06 s 1 +115065.40 7 +287245.24 3190.0 C57
2021-01-30 07:24:06 S 07 51 45.926 +12 21 10.04 V C57
2021-01-30 07:24:06 s 1 +114788.92 8 +287733.71 6950.0 C57
2021-01-30 07:34:06 S 07 51 45.190 +12 21 05.90 V C57
2021-01-30 07:34:06 s 1 +114511.89 7 +288220.80 9670.0 C57
2021-01-30 07:44:06 S 07 51 44.330 +12 20 58.85 V C57
2021-01-30 07:44:06 s 1 +114234.31 8 +288706.50 1350.0 C57
2021-01-30 07:54:06 S 07 51 43.363 +12 20 53.84 V C57
2021-01-30 07:54:06 s 1 +113956.19 3 +289190.82 2010.0 C57
2021-01-30 08:04:06 S 07 51 42.446 +12 20 49.52 V C57
2021-01-30 08:04:06 s 1 +113677.52 5 +289673.77 1630.0 C57
2021-01-30 08:14:06 S 07 51 41.628 +12 20 44.92 V C57
2021-01-30 08:14:06 s 1 +113398.31 8 +290155.33 230.0 C57
2021-01-30 08:24:06 S 07 51 40.826 +12 20 37.93 V C57
2021-01-30 08:24:06 s 1 +113118.57 5 +290635.52 7830.0 C57
2021-01-30 08:34:06 S 07 51 39.874 +12 20 34.76 V C57
2021-01-30 08:34:06 s 1 +112838.29 9 +291114.33 4410.0 C57
2021-01-30 08:44:06 S 07 51 38.995 +12 20 26.12 V C57
2021-01-30 08:44:06 s 1 +112557.49 3 +291591.78 9980.0 C57
2021-01-30 08:54:06 S 07 51 38.237 +12 20 22.92 V C57
2021-01-30 08:54:06 s 1 +112276.15 9 +292067.85 4560.0 C57
2021-01-30 09:04:06 S 07 51 37.320 +12 20 16.15 V C57
2021-01-30 09:04:06 s 1 +111994.30 1 +292542.56 8150.0 C57
2021-01-30 09:14:06 S 07 51 36.461 +12 20 09.82 V C57
2021-01-30 09:14:06 s 1 +111711.92 3 +293015.90 750.0 C57
2021-01-30 09:24:06 S 07 51 35.566 +12 20 06.83 V C57
2021-01-30 09:24:06 s 1 +111429.02 6 +293487.89 2370.0 C57
2021-01-30 09:34:06 S 07 51 34.793 +12 20 01.61 V C57
2021-01-30 09:34:06 s 1 +111145.61 4 +293958.51 3010.0 C57
2021-01-30 09:44:06 S 07 51 33.991 +12 19 56.42 V C57
2021-01-30 09:44:06 s 1 +110861.69 1 +294427.77 2680.0 C57
2021-01-30 09:54:06 S 07 51 33.029 +12 19 50.02 V C57
2021-01-30 09:54:06 s 1 +110577.25 7 +294895.68 1390.0 C57
2021-01-30 10:04:06 S 07 51 32.045 +12 19 44.65 V C57
2021-01-30 10:04:06 s 1 +110292.31 8 +295362.24 9140.0 C57
2021-01-30 10:14:06 S 07 51 31.404 +12 19 38.46 V C57
2021-01-30 10:14:06 s 1 +110006.87 5 +295827.44 5930.0 C57
2021-01-30 10:24:06 S 07 51 30.266 +12 19 32.20 V C57
2021-01-30 10:24:06 s 1 +109720.93 2 +296291.29 1770.0 C57
2021-01-30 10:34:06 S 07 51 29.604 +12 19 28.13 V C57
2021-01-30 10:34:06 s 1 +109434.49 1 +296753.80 6660.0 C57
2021-01-30 10:41:58 C 07 51 08.76 +12 18 02.1 V T08
2021-01-30 10:44:06 S 07 51 28.805 +12 19 23.20 V C57
2021-01-30 10:44:06 s 1 +109147.55 5 +297214.96 620.0 C57