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
2021-01-22 20:34:06 S 08 07 37.202 +14 01 53.36 V C57
2021-01-22 20:34:06 s 1 -158101.22 1 +322723.35 9400.0 C57
2021-01-22 20:44:05 S 08 07 36.247 +14 01 48.76 V C57
2021-01-22 20:44:05 s 1 -158345.18 7 +322359.09 4430.0 C57
2021-01-22 20:54:06 S 08 07 35.268 +14 01 42.74 V C57
2021-01-22 20:54:06 s 1 -158588.66 9 +321993.85 8630.0 C57
2021-01-22 21:04:07 S 08 07 34.291 +14 01 36.73 V C57
2021-01-22 21:04:07 s 1 -158831.66 6 +321627.61 2000.0 C57
2021-01-22 21:14:06 S 08 07 33.331 +14 01 31.22 V C57
2021-01-22 21:14:06 s 1 -159074.17 4 +321260.38 4530.0 C57
2021-01-22 21:24:07 S 08 07 32.422 +14 01 24.35 V C57
2021-01-22 21:24:07 s 1 -159316.19 4 +320892.16 6230.0 C57
2021-01-22 21:34:06 S 08 07 31.411 +14 01 20.03 V C57
2021-01-22 21:34:06 s 1 -159557.72 3 +320522.94 7090.0 C57
2021-01-22 21:44:07 S 08 07 30.394 +14 01 13.87 V C57
2021-01-22 21:44:07 s 1 -159798.75 9 +320152.73 7110.0 C57
2021-01-22 21:54:06 S 08 07 29.599 +14 01 08.65 V C57
2021-01-22 21:54:06 s 1 -160039.30 1 +319781.52 6280.0 C57
2021-01-22 22:04:06 S 08 07 28.411 +14 01 02.60 V C57
2021-01-22 22:04:06 s 1 -160279.34 7 +319409.32 4600.0 C57
2021-01-22 22:14:07 S 08 07 27.590 +14 00 55.01 V C57
2021-01-22 22:14:07 s 1 -160518.89 6 +319036.12 2070.0 C57
2021-01-22 22:24:06 S 08 07 26.530 +14 00 49.79 V C57
2021-01-22 22:24:06 s 1 -160757.94 5 +318661.93 8690.0 C57
2021-01-22 22:34:07 S 08 07 25.543 +14 00 44.75 V C57
2021-01-22 22:34:07 s 1 -160996.49 3 +318286.74 4440.0 C57
2021-01-22 22:44:06 S 08 07 24.530 +14 00 37.48 V C57
2021-01-22 22:44:06 s 1 -161234.53 9 +317910.55 9340.0 C57
2021-01-22 22:54:07 S 08 07 23.726 +14 00 32.98 V C57
2021-01-22 22:54:07 s 1 -161472.08 0 +317533.36 3380.0 C57
2021-01-22 23:04:06 S 08 07 22.663 +14 00 25.60 V C57
2021-01-22 23:04:06 s 1 -161709.11 4 +317155.17 6540.0 C57
2021-01-22 23:14:07 S 08 07 21.684 +14 00 20.59 V C57
2021-01-22 23:14:07 s 1 -161945.64 1 +316775.98 8840.0 C57
2021-01-22 23:24:06 S 08 07 20.734 +14 00 13.93 V C57
2021-01-22 23:24:06 s 1 -162181.65 9 +316395.79 260.0 C57
2021-01-22 23:34:06 S 08 07 19.742 +14 00 07.81 V C57
2021-01-22 23:34:06 s 1 -162417.16 4 +316014.60 810.0 C57
2021-01-22 23:44:07 S 08 07 18.754 +14 00 03.10 V C57
2021-01-22 23:44:07 s 1 -162652.15 7 +315632.40 480.0 C57
2021-01-22 23:54:06 S 08 07 17.746 +13 59 56.18 V C57
2021-01-22 23:54:06 s 1 -162886.63 5 +315249.21 9270.0 C57
2021-01-23 00:04:07 S 08 07 16.874 +13 59 51.11 V C57
2021-01-23 00:04:07 s 1 -163120.59 6 +314865.00 7170.0 C57
2021-01-23 00:14:06 S 08 07 15.802 +13 59 45.64 V C57
2021-01-23 00:14:06 s 1 -163354.03 8 +314479.80 4180.0 C57
2021-01-23 00:24:07 S 08 07 14.880 +13 59 39.98 V C57
2021-01-23 00:24:07 s 1 -163586.96 0 +314093.59 310.0 C57
2021-01-23 00:34:06 S 08 07 13.915 +13 59 33.86 V C57
2021-01-23 00:34:06 s 1 -163819.36 1 +313706.37 5530.0 C57