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
2021-01-25 12:34:06 s 1 -190229.87 8 +101034.24 5280.0 C57
2021-01-25 12:44:06 S 08 01 27.418 +13 24 06.73 V C57
2021-01-25 12:44:06 s 1 -190030.71 0 +100213.47 2350.0 C57
2021-01-25 12:54:06 S 08 01 26.563 +13 24 01.51 V C57
2021-01-25 12:54:06 s 1 -189828.88 8 +99391.302 4670.0 C57
2021-01-25 13:04:06 S 08 01 25.644 +13 23 55.54 V C57
2021-01-25 13:04:06 s 1 -189624.39 5 +98567.742 2230.0 C57
2021-01-25 13:14:06 S 08 01 24.689 +13 23 49.49 V C57
2021-01-25 13:14:06 s 1 -189417.21 2 +97742.791 4980.0 C57
2021-01-25 13:24:06 S 08 01 23.873 +13 23 43.69 V C57
2021-01-25 13:24:06 s 1 -189207.32 1 +96916.450 2890.0 C57
2021-01-25 13:34:06 S 08 01 22.884 +13 23 36.42 V C57
2021-01-25 13:34:06 s 1 -188994.70 5 +96088.721 5930.0 C57
2021-01-25 13:44:06 S 08 01 21.960 +13 23 31.16 V C57
2021-01-25 13:44:06 s 1 -188779.34 5 +95259.603 4060.0 C57
2021-01-25 13:54:06 S 08 01 20.897 +13 23 25.19 V C57
2021-01-25 13:54:06 s 1 -188561.22 1 +94429.098 7250.0 C57
2021-01-25 14:04:06 S 08 01 20.028 +13 23 18.53 V C57
2021-01-25 14:04:06 s 1 -188340.31 7 +93597.208 5480.0 C57
2021-01-25 14:14:06 S 08 01 19.102 +13 23 13.88 V C57
2021-01-25 14:14:06 s 1 -188116.61 1 +92763.933 8690.0 C57
2021-01-25 14:24:06 S 08 01 18.151 +13 23 08.20 V C57
2021-01-25 14:24:06 s 1 -187890.08 6 +91929.275 6860.0 C57
2021-01-25 14:34:06 S 08 01 17.280 +13 23 02.47 V C57
2021-01-25 14:34:06 s 1 -187660.72 1 +91093.235 9950.0 C57
2021-01-25 14:44:06 S 08 01 16.226 +13 22 55.67 V C57
2021-01-25 14:44:06 s 1 -187428.49 8 +90255.814 7930.0 C57
2021-01-25 14:54:06 S 08 01 15.389 +13 22 49.30 V C57
2021-01-25 14:54:06 s 1 -187193.39 7 +89417.014 760.0 C57
2021-01-25 15:04:06 S 08 01 14.438 +13 22 43.72 V C57
2021-01-25 15:04:06 s 1 -186955.39 7 +88576.838 8400.0 C57
2021-01-25 15:14:06 S 08 01 13.490 +13 22 38.53 V C57
2021-01-25 15:14:06 s 1 -186714.47 9 +87735.285 820.0 C57
2021-01-25 15:24:06 S 08 01 12.485 +13 22 32.27 V C57
2021-01-25 15:24:06 s 1 -186470.62 1 +86892.358 7970.0 C57
2021-01-25 15:34:06 S 08 01 11.654 +13 22 26.94 V C57
2021-01-25 15:34:06 s 1 -186223.80 5 +86048.060 9840.0 C57
2021-01-25 15:44:06 S 08 01 10.738 +13 22 20.32 V C57
2021-01-25 15:44:06 s 1 -185974.00 8 +85202.391 6360.0 C57
2021-01-25 15:54:06 S 08 01 09.766 +13 22 16.07 V C57
2021-01-25 15:54:06 s 1 -185721.20 9 +84355.354 7510.0 C57
2021-01-25 16:04:06 S 08 01 08.899 +13 22 09.59 V C57
2021-01-25 16:04:06 s 1 -185465.38 8 +83506.952 3250.0 C57
2021-01-25 16:14:06 S 08 01 07.963 +13 22 02.50 V C57
2021-01-25 16:14:06 s 1 -185206.52 4 +82657.185 3540.0 C57
2021-01-25 16:24:06 S 08 01 06.950 +13 21 58.39 V C57
2021-01-25 16:24:06 s 1 -184944.59 3 +81806.058 8340.0 C57
2021-01-25 16:34:06 S 08 01 06.079 +13 21 51.55 V C57
2021-01-25 16:34:06 s 1 -184679.57 6 +80953.572 7610.0 C57
2021-01-25 16:44:06 S 08 01 05.035 +13 21 46.51 V C57