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 02:54:06 s 1 +140771.09 0 +48899.074 5490.0 C57
2021-01-28 03:04:06 S 07 56 12.864 +12 49 12.72 V C57
2021-01-28 03:04:06 s 1 +141109.16 0 +49981.510 7530.0 C57
2021-01-28 03:14:06 S 07 56 11.858 +12 49 06.67 V C57
2021-01-28 03:14:06 s 1 +141441.45 1 +51061.893 9050.0 C57
2021-01-28 03:24:06 S 07 56 11.165 +12 49 01.45 V C57
2021-01-28 03:24:06 s 1 +141768.02 6 +52140.205 170.0 C57
2021-01-28 03:34:06 S 07 56 10.327 +12 48 55.94 V C57
2021-01-28 03:34:06 s 1 +142088.94 8 +53216.431 1000.0 C57
2021-01-28 03:44:06 S 07 56 09.487 +12 48 49.93 V C57
2021-01-28 03:44:06 s 1 +142404.27 7 +54290.556 1660.0 C57
2021-01-28 03:54:06 S 07 56 08.731 +12 48 45.97 V C57
2021-01-28 03:54:06 s 1 +142714.07 5 +55362.566 2250.0 C57
2021-01-28 04:04:06 S 07 56 07.826 +12 48 40.03 V C57
2021-01-28 04:04:06 s 1 +143018.40 1 +56432.446 2870.0 C57
2021-01-28 04:14:06 S 07 56 06.881 +12 48 32.76 V C57
2021-01-28 04:14:06 s 1 +143317.31 5 +57500.184 3650.0 C57
2021-01-28 04:24:06 S 07 56 06.336 +12 48 29.34 V C57
2021-01-28 04:24:06 s 1 +143610.87 5 +58565.768 4680.0 C57
2021-01-28 04:34:06 S 07 56 05.359 +12 48 23.98 V C57
2021-01-28 04:34:06 s 1 +143899.13 8 +59629.184 6060.0 C57
2021-01-28 04:44:06 S 07 56 04.625 +12 48 19.19 V C57
2021-01-28 04:44:06 s 1 +144182.16 0 +60690.422 7900.0 C57
2021-01-28 04:54:06 S 07 56 03.749 +12 48 12.28 V C57
2021-01-28 04:54:06 s 1 +144459.99 8 +61749.472 300.0 C57
2021-01-28 05:04:06 S 07 56 02.954 +12 48 07.56 V C57
2021-01-28 05:04:06 s 1 +144732.70 7 +62806.322 3360.0 C57
2021-01-28 05:14:06 S 07 56 02.196 +12 48 02.12 V C57
2021-01-28 05:14:06 s 1 +145000.34 1 +63860.964 7180.0 C57
2021-01-28 05:24:06 S 07 56 01.210 +12 47 56.40 V C57
2021-01-28 05:24:06 s 1 +145262.95 4 +64913.387 1850.0 C57
2021-01-28 05:34:06 S 07 56 00.444 +12 47 52.44 V C57
2021-01-28 05:34:06 s 1 +145520.59 9 +65963.584 7460.0 C57
2021-01-28 05:44:06 S 07 55 59.676 +12 47 46.18 V C57
2021-01-28 05:44:06 s 1 +145773.32 7 +67011.546 4130.0 C57
2021-01-28 05:54:06 S 07 55 58.762 +12 47 42.47 V C57
2021-01-28 05:54:06 s 1 +146021.19 1 +68057.265 1930.0 C57
2021-01-28 06:04:06 S 07 55 58.118 +12 47 37.79 V C57
2021-01-28 06:04:06 s 1 +146264.24 2 +69100.733 960.0 C57
2021-01-28 06:14:06 S 07 55 57.101 +12 47 30.73 V C57
2021-01-28 06:14:06 s 1 +146502.52 9 +70141.945 1310.0 C57
2021-01-28 06:24:06 S 07 55 56.268 +12 47 26.27 V C57
2021-01-28 06:24:06 s 1 +146736.10 1 +71180.893 3070.0 C57
2021-01-28 06:34:06 S 07 55 55.502 +12 47 20.08 V C57
2021-01-28 06:34:06 s 1 +146965.00 9 +72217.571 6320.0 C57
2021-01-28 06:44:06 S 07 55 54.641 +12 47 15.58 V C57
2021-01-28 06:44:06 s 1 +147189.29 9 +73251.974 1160.0 C57
2021-01-28 06:54:06 S 07 55 53.894 +12 47 09.53 V C57
2021-01-28 06:54:06 s 1 +147409.01 9 +74284.096 7670.0 C57
2021-01-28 07:04:06 S 07 55 53.069 +12 47 06.40 V C57