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 06:44:06 s 1 -195062.82 5 +226184.28 7280.0 C57
2021-01-24 06:54:06 S 08 04 17.662 +13 41 41.17 V C57
2021-01-24 06:54:06 s 1 -195160.33 2 +225598.72 9050.0 C57
2021-01-24 10:14:06 S 08 03 58.608 +13 39 45.47 V C57
2021-01-24 10:14:06 s 1 -196886.53 1 +213635.14 3220.0 C57
2021-01-24 10:24:06 S 08 03 57.691 +13 39 38.45 V C57
2021-01-24 10:24:06 s 1 -196961.28 2 +213024.23 5220.0 C57
2021-01-24 10:34:06 S 08 03 56.638 +13 39 32.08 V C57
2021-01-24 10:34:06 s 1 -197034.89 7 +212412.10 5230.0 C57
2021-01-24 10:44:06 S 08 03 55.601 +13 39 25.06 V C57
2021-01-24 10:44:06 s 1 -197107.37 1 +211798.75 3250.0 C57
2021-01-24 10:54:06 S 08 03 54.782 +13 39 21.31 V C57
2021-01-24 10:54:06 s 1 -197178.69 8 +211184.17 9250.0 C57
2021-01-24 11:04:06 S 08 03 53.734 +13 39 14.69 V C57
2021-01-24 11:04:06 s 1 -197248.87 3 +210568.36 3250.0 C57
2021-01-24 11:14:06 S 08 03 52.776 +13 39 09.14 V C57
2021-01-24 11:14:06 s 1 -197317.89 2 +209951.32 5210.0 C57
2021-01-24 11:24:06 S 08 03 51.881 +13 39 02.95 V C57
2021-01-24 11:24:06 s 1 -197385.74 8 +209333.06 5140.0 C57
2021-01-24 11:34:06 S 08 03 50.938 +13 38 58.09 V C57
2021-01-24 11:34:06 s 1 -197452.43 7 +208713.56 3030.0 C57
2021-01-24 11:44:06 S 08 03 49.927 +13 38 51.43 V C57
2021-01-24 11:44:06 s 1 -197517.95 4 +208092.83 8860.0 C57
2021-01-24 11:54:06 S 08 03 48.953 +13 38 44.95 V C57
2021-01-24 11:54:06 s 1 -197582.29 4 +207470.87 2630.0 C57
2021-01-24 12:04:06 S 08 03 48.089 +13 38 38.94 V C57
2021-01-24 12:04:06 s 1 -197645.45 0 +206847.67 4330.0 C57
2021-01-24 12:14:06 S 08 03 47.134 +13 38 32.39 V C57
2021-01-24 12:14:06 s 1 -197707.41 7 +206223.24 3950.0 C57
2021-01-24 12:24:06 S 08 03 46.090 +13 38 27.78 V C57
2021-01-24 12:24:06 s 1 -197768.19 2 +205597.56 1470.0 C57
2021-01-24 12:34:06 S 08 03 45.144 +13 38 20.76 V C57
2021-01-24 12:34:06 s 1 -197827.76 7 +204970.65 6890.0 C57
2021-01-24 12:44:06 S 08 03 44.210 +13 38 16.73 V C57
2021-01-24 12:44:06 s 1 -197886.13 7 +204342.50 200.0 C57
2021-01-24 12:54:06 S 08 03 43.217 +13 38 09.06 V C57
2021-01-24 12:54:06 s 1 -197943.29 7 +203713.10 1390.0 C57
2021-01-24 13:04:06 S 08 03 42.298 +13 38 03.19 V C57
2021-01-24 13:04:06 s 1 -197999.24 2 +203082.46 450.0 C57
2021-01-24 13:14:06 S 08 03 41.263 +13 38 00.02 V C57
2021-01-24 13:14:06 s 1 -198053.96 5 +202450.57 7370.0 C57
2021-01-24 13:24:06 S 08 03 40.387 +13 37 52.86 V C57
2021-01-24 13:24:06 s 1 -198107.46 2 +201817.44 2140.0 C57
2021-01-24 13:34:06 S 08 03 39.461 +13 37 47.89 V C57
2021-01-24 13:34:06 s 1 -198159.72 6 +201183.06 4740.0 C57
2021-01-24 13:44:06 S 08 03 38.455 +13 37 40.80 V C57
2021-01-24 13:44:06 s 1 -198210.75 3 +200547.43 5180.0 C57
2021-01-24 13:54:06 S 08 03 37.606 +13 37 34.93 V C57
2021-01-24 13:54:06 s 1 -198260.53 5 +199910.54 3430.0 C57
2021-01-24 14:04:06 S 08 03 36.454 +13 37 28.63 V C57