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 16:44:06 s 1 -184411.44 8 +80099.729 1300.0 C57
2021-01-25 16:54:06 S 08 01 04.188 +13 21 39.60 V C57
2021-01-25 16:54:06 s 1 -184140.18 9 +79244.533 9390.0 C57
2021-01-25 17:04:06 S 08 01 03.353 +13 21 34.31 V C57
2021-01-25 17:04:06 s 1 -183865.77 5 +78387.986 1820.0 C57
2021-01-25 17:14:06 S 08 01 02.270 +13 21 26.68 V C57
2021-01-25 17:14:06 s 1 -183588.18 4 +77530.092 8550.0 C57
2021-01-25 17:24:06 S 08 01 01.330 +13 21 20.84 V C57
2021-01-25 17:24:06 s 1 -183307.39 2 +76670.852 9550.0 C57
2021-01-25 17:34:06 S 08 01 00.338 +13 21 16.85 V C57
2021-01-25 17:34:06 s 1 -183023.37 7 +75810.271 4770.0 C57
2021-01-25 17:44:06 S 08 00 59.472 +13 21 10.15 V C57
2021-01-25 17:44:06 s 1 -182736.11 4 +74948.352 4170.0 C57
2021-01-25 17:54:06 S 08 00 58.723 +13 21 05.54 V C57
2021-01-25 17:54:06 s 1 -182445.58 0 +74085.098 7700.0 C57
2021-01-25 18:04:06 S 08 00 57.718 +13 20 57.70 V C57
2021-01-25 18:04:06 s 1 -182151.75 2 +73220.512 5320.0 C57
2021-01-25 18:14:06 S 08 00 56.794 +13 20 52.73 V C57
2021-01-25 18:14:06 s 1 -181854.60 3 +72354.598 6990.0 C57
2021-01-25 18:24:06 S 08 00 55.733 +13 20 44.84 V C57
2021-01-25 18:24:06 s 1 -181554.11 1 +71487.361 2660.0 C57
2021-01-25 18:44:06 S 08 00 53.827 +13 20 34.40 V C57
2021-01-25 18:44:06 s 1 -180942.99 4 +69748.930 5830.0 C57
2021-01-25 18:54:06 S 08 00 53.035 +13 20 29.04 V C57
2021-01-25 18:54:06 s 1 -180632.32 0 +68877.746 3230.0 C57
2021-01-25 19:04:06 S 08 00 52.157 +13 20 25.62 V C57
2021-01-25 19:04:06 s 1 -180318.20 0 +68005.254 4450.0 C57
2021-01-25 19:14:06 S 08 00 51.175 +13 20 18.96 V C57
2021-01-25 19:14:06 s 1 -180000.61 0 +67131.459 9440.0 C57
2021-01-25 19:24:06 S 08 00 50.299 +13 20 10.68 V C57
2021-01-25 19:24:06 s 1 -179679.52 2 +66256.366 8150.0 C57
2021-01-25 19:34:06 S 08 00 49.354 +13 20 04.99 V C57
2021-01-25 19:34:06 s 1 -179354.91 0 +65379.981 530.0 C57
2021-01-25 19:44:06 S 08 00 48.346 +13 19 59.45 V C57
2021-01-25 19:44:06 s 1 -179026.74 8 +64502.308 6540.0 C57
2021-01-25 19:54:06 S 08 00 47.470 +13 19 53.87 V C57
2021-01-25 19:54:06 s 1 -178695.00 9 +63623.352 6130.0 C57
2021-01-25 20:04:06 S 08 00 46.567 +13 19 47.86 V C57
2021-01-25 20:04:06 s 1 -178359.66 4 +62743.118 9240.0 C57
2021-01-25 20:14:06 S 08 00 45.629 +13 19 42.85 V C57
2021-01-25 20:14:06 s 1 -178020.68 7 +61861.613 5820.0 C57
2021-01-25 20:24:06 S 08 00 44.669 +13 19 35.65 V C57
2021-01-25 20:24:06 s 1 -177678.05 0 +60978.842 5830.0 C57
2021-01-25 20:34:06 S 08 00 43.814 +13 19 30.18 V C57
2021-01-25 20:34:06 s 1 -177331.72 3 +60094.812 9210.0 C57
2021-01-25 20:44:06 S 08 00 42.850 +13 19 23.99 V C57
2021-01-25 20:44:06 s 1 -176981.67 9 +59209.527 5910.0 C57
2021-01-25 20:54:06 S 08 00 42.000 +13 19 18.91 V C57
2021-01-25 20:54:06 s 1 -176627.88 8 +58322.996 5880.0 C57
2021-01-25 21:04:06 S 08 00 40.994 +13 19 12.07 V C57