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
2021-01-28 07:04:06 s 1 +147624.21 7 +75313.932 5930.0 C57
2021-01-28 07:24:06 S 07 55 51.482 +12 46 53.08 V C57
2021-01-28 07:24:06 s 1 +148041.22 8 +77366.730 8060.0 C57
2021-01-28 08:04:06 S 07 55 47.830 +12 46 34.10 V C57
2021-01-28 08:04:06 s 1 +148822.96 8 +81444.712 6980.0 C57
2021-01-28 08:14:06 S 07 55 47.083 +12 46 28.09 V C57
2021-01-28 08:14:06 s 1 +149007.76 6 +82458.436 9800.0 C57
2021-01-28 08:24:06 S 07 55 46.320 +12 46 21.79 V C57
2021-01-28 08:24:06 s 1 +149188.39 5 +83469.847 5030.0 C57
2021-01-28 08:34:06 S 07 55 45.574 +12 46 16.54 V C57
2021-01-28 08:34:06 s 1 +149364.89 5 +84478.941 2710.0 C57
2021-01-28 08:44:06 S 07 55 44.748 +12 46 11.39 V C57
2021-01-28 08:44:06 s 1 +149537.30 7 +85485.717 2950.0 C57
2021-01-28 08:54:06 S 07 55 43.910 +12 46 07.82 V C57
2021-01-28 08:54:06 s 1 +149705.67 3 +86490.173 5800.0 C57
2021-01-28 09:04:06 S 07 55 43.116 +12 46 01.85 V C57
2021-01-28 09:04:06 s 1 +149870.03 3 +87492.307 1330.0 C57
2021-01-28 09:14:06 S 07 55 42.221 +12 45 56.66 V C57
2021-01-28 09:14:06 s 1 +150030.42 5 +88492.119 9630.0 C57
2021-01-28 09:24:06 S 07 55 41.412 +12 45 49.03 V C57
2021-01-28 09:24:06 s 1 +150186.88 8 +89489.608 760.0 C57
2021-01-28 09:44:06 S 07 55 39.811 +12 45 40.14 V C57
2021-01-28 09:44:06 s 1 +150488.18 2 +91477.611 1780.0 C57
2021-01-28 10:04:06 S 07 55 38.038 +12 45 27.94 V C57
2021-01-28 10:04:06 s 1 +150774.21 7 +93456.313 4940.0 C57
2021-01-28 10:14:06 S 07 55 37.106 +12 45 22.72 V C57
2021-01-28 10:14:06 s 1 +150911.60 4 +94442.176 1250.0 C57
2021-01-28 10:24:06 S 07 55 36.454 +12 45 18.32 V C57
2021-01-28 10:24:06 s 1 +151045.28 5 +95425.714 780.0 C57
2021-01-28 10:34:06 S 07 55 35.496 +12 45 12.78 V C57
2021-01-28 10:34:06 s 1 +151175.29 7 +96406.926 3620.0 C57
2021-01-28 10:44:06 S 07 55 34.745 +12 45 09.40 V C57
2021-01-28 10:44:06 s 1 +151301.67 4 +97385.815 9810.0 C57
2021-01-28 10:54:06 S 07 55 33.799 +12 45 02.02 V C57
2021-01-28 10:54:06 s 1 +151424.45 0 +98362.379 9440.0 C57
2021-01-28 11:04:06 S 07 55 32.971 +12 44 56.54 V C57
2021-01-28 11:04:06 s 1 +151543.66 0 +99336.621 2540.0 C57
2021-01-28 11:14:06 S 07 55 32.275 +12 44 51.54 V C57
2021-01-28 11:14:06 s 1 +151659.33 9 +100308.54 9200.0 C57
2021-01-28 11:24:06 S 07 55 31.411 +12 44 45.46 V C57
2021-01-28 11:24:06 s 1 +151771.51 8 +101278.14 9460.0 C57
2021-01-28 11:34:06 S 07 55 30.600 +12 44 41.46 V C57
2021-01-28 11:34:06 s 1 +151880.23 1 +102245.42 3390.0 C57
2021-01-28 11:44:06 S 07 55 29.753 +12 44 37.25 V C57
2021-01-28 11:44:06 s 1 +151985.51 0 +103210.38 1050.0 C57
2021-01-28 11:54:06 S 07 55 28.920 +12 44 30.95 V C57
2021-01-28 11:54:06 s 1 +152087.38 8 +104173.03 2490.0 C57
2021-01-28 12:04:06 S 07 55 28.123 +12 44 25.94 V C57
2021-01-28 12:04:06 s 1 +152185.89 6 +105133.36 7770.0 C57
2021-01-28 12:14:06 S 07 55 27.168 +12 44 19.43 V C57