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
2021-01-24 02:34:06 s 1 -192300.33 1 +240439.20 6660.0 C57
2021-01-24 02:44:06 S 08 04 41.803 +13 44 08.48 V C57
2021-01-24 02:44:06 s 1 -192422.41 5 +239883.05 1270.0 C57
2021-01-24 02:54:06 S 08 04 40.814 +13 44 03.84 V C57
2021-01-24 02:54:06 s 1 -192543.56 5 +239325.74 4250.0 C57
2021-01-24 03:04:06 S 08 04 39.946 +13 43 57.04 V C57
2021-01-24 03:04:06 s 1 -192663.77 5 +238767.27 5590.0 C57
2021-01-24 03:14:06 S 08 04 38.976 +13 43 51.56 V C57
2021-01-24 03:14:06 s 1 -192783.04 3 +238207.63 5290.0 C57
2021-01-24 03:24:06 S 08 04 37.982 +13 43 44.40 V C57
2021-01-24 03:24:06 s 1 -192901.36 4 +237646.83 3350.0 C57
2021-01-24 03:34:06 S 08 04 37.075 +13 43 38.78 V C57
2021-01-24 03:34:06 s 1 -193018.73 4 +237084.87 9750.0 C57
2021-01-24 03:44:06 S 08 04 36.065 +13 43 34.18 V C57
2021-01-24 03:44:06 s 1 -193135.15 0 +236521.73 4480.0 C57
2021-01-24 03:54:06 S 08 04 34.937 +13 43 27.37 V C57
2021-01-24 03:54:06 s 1 -193250.60 7 +235957.43 7550.0 C57
2021-01-24 04:04:06 S 08 04 34.164 +13 43 22.73 V C57
2021-01-24 04:04:06 s 1 -193365.10 2 +235391.96 8940.0 C57
2021-01-24 04:14:06 S 08 04 33.094 +13 43 14.16 V C57
2021-01-24 04:14:06 s 1 -193478.63 1 +234825.32 8650.0 C57
2021-01-24 04:24:06 S 08 04 32.249 +13 43 09.98 V C57
2021-01-24 04:24:06 s 1 -193591.18 9 +234257.50 6670.0 C57
2021-01-24 04:34:06 S 08 04 31.272 +13 43 05.56 V C57
2021-01-24 04:34:06 s 1 -193702.77 3 +233688.52 2990.0 C57
2021-01-24 04:44:06 S 08 04 30.250 +13 42 59.33 V C57
2021-01-24 04:44:06 s 1 -193813.37 9 +233118.35 7600.0 C57
2021-01-24 04:54:06 S 08 04 29.275 +13 42 52.24 V C57
2021-01-24 04:54:06 s 1 -193923.00 2 +232547.01 500.0 C57
2021-01-24 05:04:06 S 08 04 28.339 +13 42 47.20 V C57
2021-01-24 05:04:06 s 1 -194031.63 8 +231974.50 1690.0 C57
2021-01-24 05:14:06 S 08 04 27.331 +13 42 41.26 V C57
2021-01-24 05:14:06 s 1 -194139.28 4 +231400.80 1140.0 C57
2021-01-24 05:24:06 S 08 04 26.321 +13 42 34.06 V C57
2021-01-24 05:24:06 s 1 -194245.93 5 +230825.93 8860.0 C57
2021-01-24 05:34:06 S 08 04 25.502 +13 42 27.97 V C57
2021-01-24 05:34:06 s 1 -194351.58 7 +230249.87 4840.0 C57
2021-01-24 05:44:06 S 08 04 24.384 +13 42 21.53 V C57
2021-01-24 05:44:06 s 1 -194456.23 6 +229672.63 9070.0 C57
2021-01-24 05:54:06 S 08 04 23.534 +13 42 17.10 V C57
2021-01-24 05:54:06 s 1 -194559.87 7 +229094.21 1540.0 C57
2021-01-24 06:04:06 S 08 04 22.555 +13 42 11.09 V C57
2021-01-24 06:04:06 s 1 -194662.50 7 +228514.60 2250.0 C57
2021-01-24 06:14:06 S 08 04 21.569 +13 42 04.64 V C57
2021-01-24 06:14:06 s 1 -194764.12 1 +227933.80 1190.0 C57
2021-01-24 06:24:06 S 08 04 20.666 +13 41 58.16 V C57
2021-01-24 06:24:06 s 1 -194864.71 5 +227351.82 8340.0 C57
2021-01-24 06:34:06 S 08 04 19.685 +13 41 54.28 V C57
2021-01-24 06:34:06 s 1 -194964.28 4 +226768.64 3710.0 C57
2021-01-24 06:44:06 S 08 04 18.782 +13 41 47.58 V C57