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
2021-01-29 02:54:06 s 1 +150436.46 6 +181744.56 7520.0 C57
2021-01-29 03:04:06 S 07 54 11.914 +12 36 24.84 V C57
2021-01-29 03:04:06 s 1 +150324.59 2 +182511.55 7080.0 C57
2021-01-29 03:14:06 S 07 54 11.090 +12 36 19.66 V C57
2021-01-29 03:14:06 s 1 +150211.11 8 +183276.58 3680.0 C57
2021-01-29 03:24:06 S 07 54 10.207 +12 36 13.79 V C57
2021-01-29 03:24:06 s 1 +150096.05 3 +184039.68 7360.0 C57
2021-01-29 03:34:06 S 07 54 09.396 +12 36 08.42 V C57
2021-01-29 03:34:06 s 1 +149979.41 0 +184800.83 8120.0 C57
2021-01-29 03:44:06 S 07 54 08.390 +12 36 02.63 V C57
2021-01-29 03:44:06 s 1 +149861.19 9 +185560.05 6010.0 C57
2021-01-29 03:54:06 S 07 54 07.745 +12 35 56.36 V C57
2021-01-29 03:54:06 s 1 +149741.43 2 +186317.33 1020.0 C57
2021-01-29 04:04:06 S 07 54 06.828 +12 35 52.48 V C57
2021-01-29 04:04:06 s 1 +149620.12 0 +187072.69 3180.0 C57
2021-01-29 04:14:06 S 07 54 06.014 +12 35 46.72 V C57
2021-01-29 04:14:06 s 1 +149497.27 4 +187826.12 2520.0 C57
2021-01-29 04:24:06 S 07 54 05.213 +12 35 41.24 V C57
2021-01-29 04:24:06 s 1 +149372.90 5 +188577.64 9060.0 C57
2021-01-29 04:34:06 S 07 54 04.366 +12 35 36.35 V C57
2021-01-29 04:34:06 s 1 +149247.02 3 +189327.24 2800.0 C57
2021-01-29 04:44:06 S 07 54 03.480 +12 35 29.87 V C57
2021-01-29 04:44:06 s 1 +149119.64 0 +190074.93 3780.0 C57
2021-01-29 04:54:06 S 07 54 02.570 +12 35 26.02 V C57
2021-01-29 04:54:06 s 1 +148990.76 5 +190820.72 2000.0 C57
2021-01-29 05:04:06 S 07 54 01.678 +12 35 22.20 V C57
2021-01-29 05:04:06 s 1 +148860.40 9 +191564.60 7500.0 C57
2021-01-29 05:14:06 S 07 54 00.902 +12 35 15.00 V C57
2021-01-29 05:14:06 s 1 +148728.58 3 +192306.59 280.0 C57
2021-01-29 05:24:06 S 07 53 59.983 +12 35 10.25 V C57
2021-01-29 05:24:06 s 1 +148595.29 6 +193046.68 380.0 C57
2021-01-29 05:34:06 S 07 53 59.155 +12 35 03.12 V C57
2021-01-29 05:34:06 s 1 +148460.56 0 +193784.89 7790.0 C57
2021-01-29 05:44:06 S 07 53 58.306 +12 34 58.48 V C57
2021-01-29 05:44:06 s 1 +148324.38 3 +194521.21 2560.0 C57
2021-01-29 08:34:06 S 07 53 43.776 +12 33 28.30 V C57
2021-01-29 08:34:06 s 1 +145798.41 7 +206754.45 4140.0 C57
2021-01-29 08:44:06 S 07 53 42.977 +12 33 22.75 V C57
2021-01-29 08:44:06 s 1 +145637.94 6 +207457.57 4050.0 C57
2021-01-29 08:54:06 S 07 53 42.022 +12 33 17.17 V C57
2021-01-29 08:54:06 s 1 +145476.21 1 +208158.89 1620.0 C57
2021-01-29 09:04:06 S 07 53 41.184 +12 33 11.48 V C57
2021-01-29 09:04:06 s 1 +145313.21 9 +208858.40 6870.0 C57
2021-01-29 09:14:06 S 07 53 40.342 +12 33 06.66 V C57
2021-01-29 09:14:06 s 1 +145148.98 0 +209556.11 9810.0 C57
2021-01-29 09:24:06 S 07 53 39.550 +12 33 01.55 V C57
2021-01-29 09:24:06 s 1 +144983.50 1 +210252.03 470.0 C57
2021-01-29 09:34:06 S 07 53 38.642 +12 32 55.79 V C57
2021-01-29 09:34:06 s 1 +144816.79 1 +210946.15 8840.0 C57
2021-01-29 09:44:06 S 07 53 37.814 +12 32 49.92 V C57