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 18:14:06 s 1 +153718.62 9 +139063.32 9780.0 C57
2021-01-28 18:24:06 S 07 54 56.232 +12 41 03.37 V C57
2021-01-28 18:24:06 s 1 +153709.13 6 +139937.89 7400.0 C57
2021-01-28 18:34:06 S 07 54 55.320 +12 40 57.47 V C57
2021-01-28 18:34:06 s 1 +153697.25 1 +140810.27 640.0 C57
2021-01-28 18:44:06 S 07 54 54.242 +12 40 50.95 V C57
2021-01-28 18:44:06 s 1 +153682.99 4 +141680.48 9530.0 C57
2021-01-28 18:54:06 S 07 54 53.518 +12 40 45.44 V C57
2021-01-28 18:54:06 s 1 +153666.38 4 +142548.51 4110.0 C57
2021-01-28 19:04:06 S 07 54 52.805 +12 40 41.23 V C57
2021-01-28 19:04:06 s 1 +153647.44 1 +143414.37 4410.0 C57
2021-01-28 19:14:06 S 07 54 51.883 +12 40 35.83 V C57
2021-01-28 19:14:06 s 1 +153626.18 3 +144278.07 470.0 C57
2021-01-28 19:24:06 S 07 54 51.101 +12 40 29.96 V C57
2021-01-28 19:24:06 s 1 +153602.63 0 +145139.60 2310.0 C57
2021-01-28 19:34:06 S 07 54 50.172 +12 40 24.96 V C57
2021-01-28 19:34:06 s 1 +153576.80 1 +145998.98 9980.0 C57
2021-01-28 19:44:06 S 07 54 49.433 +12 40 18.77 V C57
2021-01-28 19:44:06 s 1 +153548.71 2 +146856.20 3510.0 C57
2021-01-28 19:54:06 S 07 54 48.504 +12 40 15.38 V C57
2021-01-28 19:54:06 s 1 +153518.38 4 +147711.28 2920.0 C57
2021-01-28 20:04:06 S 07 54 47.616 +12 40 09.30 V C57
2021-01-28 20:04:06 s 1 +153485.83 3 +148564.21 8260.0 C57
2021-01-28 20:14:06 S 07 54 46.829 +12 40 05.30 V C57
2021-01-28 20:14:06 s 1 +153451.07 8 +149415.00 9560.0 C57
2021-01-28 20:24:06 S 07 54 45.974 +12 39 58.57 V C57
2021-01-28 20:24:06 s 1 +153414.13 6 +150263.66 6840.0 C57
2021-01-28 20:34:06 S 07 54 45.070 +12 39 53.68 V C57
2021-01-28 20:34:06 s 1 +153375.02 5 +151110.19 140.0 C57
2021-01-28 20:44:06 S 07 54 44.309 +12 39 47.09 V C57
2021-01-28 20:44:06 s 1 +153333.76 2 +151954.59 9500.0 C57
2021-01-28 20:54:06 S 07 54 43.385 +12 39 41.72 V C57
2021-01-28 20:54:06 s 1 +153290.36 3 +152796.87 4930.0 C57
2021-01-28 21:04:06 S 07 54 42.538 +12 39 36.72 V C57
2021-01-28 21:04:06 s 1 +153244.84 7 +153637.03 6480.0 C57
2021-01-28 21:14:06 S 07 54 41.743 +12 39 32.08 V C57
2021-01-28 21:14:06 s 1 +153197.22 9 +154475.09 4170.0 C57
2021-01-28 21:24:06 S 07 54 40.891 +12 39 26.71 V C57
2021-01-28 21:24:06 s 1 +153147.52 7 +155311.03 8030.0 C57
2021-01-28 21:34:06 S 07 54 40.058 +12 39 21.02 V C57
2021-01-28 21:34:06 s 1 +153095.75 6 +156144.87 8090.0 C57
2021-01-28 21:44:06 S 07 54 39.214 +12 39 15.44 V C57
2021-01-28 21:44:06 s 1 +153041.93 2 +156976.61 4390.0 C57
2021-01-28 21:54:06 S 07 54 38.446 +12 39 09.79 V C57
2021-01-28 21:54:06 s 1 +152986.07 3 +157806.26 6940.0 C57
2021-01-28 22:04:06 S 07 54 37.356 +12 39 04.57 V C57
2021-01-28 22:04:06 s 1 +152928.19 3 +158633.82 5790.0 C57
2021-01-28 22:14:06 S 07 54 36.571 +12 38 59.17 V C57
2021-01-28 22:14:06 s 1 +152868.30 8 +159459.29 950.0 C57
2021-01-28 22:24:06 S 07 54 35.842 +12 38 55.00 V C57