IAA RAS IAA Minor Planet Database

249886 (2001 RY11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2834021303 ± 1.12e-08
Semi-major axis (a)1.4831115635 AU ± 1.29e-09
Inclination (i)22.84554453° ± 9.25e-07
Long. of Asc. Node (Ω)295.48628611° ± 2.38e-06
Arg. of Perihelion (ω)71.55379412° ± 4.08e-06
Mean Anomaly (M)124.76848123° ± 7.04e-06
Mean Motion (n)0.5456969729°/day ± 7.10e-10
Perihelion dist (q)1.06279459 AU ± 1.67e-08
Aphelion dist (Q)1.90342854 AU ± 1.67e-08
Orbital Period1.80617876 yr ± 2.35e-09
Physical Parameters
H (abs. magnitude)17.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.065″
Uncertainty0
Orbit TypeAmor
MOID0.196453 AU
Observations Used1443
Gaia Obs Used44
Oppositions11
Arc Total1992-2017
First Observation Used1992-08-03
Last Observation Used2024-05-09
Observations (2399)
Date Type RA Dec Mag Band Observatory
2021-12-20 20:03:55 S 09 24 24.055 +28 14 01.18 – V C57
2021-12-20 20:03:55 s 1 +127975.39 5 +315959.73 6640.0 – C57
2021-12-20 20:13:55 S 09 24 23.515 +28 13 55.31 – V C57
2021-12-20 20:13:55 s 1 +127695.95 8 +316345.81 3430.0 – C57
2021-12-20 20:23:55 S 09 24 22.646 +28 13 49.66 – V C57
2021-12-20 20:23:55 s 1 +127416.06 1 +316730.77 8570.0 – C57
2021-12-20 20:43:55 S 09 24 21.180 +28 13 27.16 – V C57
2021-12-20 20:43:55 s 1 +126854.89 1 +317497.34 3900.0 – C57
2021-12-20 20:53:55 S 09 24 20.028 +28 13 21.32 – V C57
2021-12-20 20:53:55 s 1 +126573.62 3 +317878.95 4110.0 – C57
2021-12-20 21:23:55 S 09 24 17.047 +28 12 51.59 – V C57
2021-12-20 21:23:55 s 1 +125727.10 6 +319017.12 5020.0 – C57
2021-12-20 21:33:55 S 09 24 16.805 +28 12 49.00 – V C57
2021-12-20 21:33:55 s 1 +125444.03 6 +319394.28 8780.0 – C57
2021-12-20 23:13:55 S 09 24 07.642 +28 11 18.56 – V C57
2021-12-20 23:13:55 s 1 +122589.12 2 +323105.04 9790.0 – C57
2021-12-21 00:03:55 S 09 24 03.780 +28 10 40.37 – V C57
2021-12-21 00:03:55 s 1 +121145.52 1 +324919.08 7760.0 – C57
2021-12-21 00:23:55 S 09 24 01.474 +28 10 18.30 – V C57
2021-12-21 00:23:55 s 1 +120565.13 7 +325637.00 4500.0 – C57
2021-12-21 00:33:55 S 09 24 01.118 +28 10 10.34 – V C57
2021-12-21 00:33:55 s 1 +120274.32 2 +325994.32 660.0 – C57
2021-12-21 00:53:55 S 09 23 59.477 +28 09 52.49 – V C57
2021-12-21 00:53:55 s 1 +119691.45 3 +326705.68 8590.0 – C57
2021-12-21 01:13:55 S 09 23 57.281 +28 09 39.46 – V C57
2021-12-21 01:13:55 s 1 +119106.94 4 +327412.67 710.0 – C57
2021-12-21 01:23:55 S 09 23 56.489 +28 09 28.12 – V C57
2021-12-21 01:23:55 s 1 +118814.07 9 +327764.52 9620.0 – C57
2021-12-21 01:33:55 S 09 23 55.824 +28 09 18.29 – V C57
2021-12-21 01:33:55 s 1 +118520.80 9 +328115.29 7090.0 – C57
2021-12-21 01:38:28 C 09 22 51.57 +28 05 21.2 – X K87
2021-12-21 01:43:55 S 09 23 54.506 +28 09 11.92 – V C57
2021-12-21 01:43:55 s 1 +118227.13 6 +328464.97 3150.0 – C57
2021-12-21 01:44:48 C 09 22 51.02 +28 05 15.8 – X K87
2021-12-21 01:51:08 C 09 22 50.39 +28 05 10.0 – X K87
2021-12-21 03:03:55 S 09 23 47.635 +28 07 59.02 – V C57
2021-12-21 03:03:55 s 1 +115863.44 5 +331223.24 1160.0 – C57
2021-12-21 03:43:55 S 09 23 44.138 +28 07 28.02 – V C57
2021-12-21 03:43:55 s 1 +114672.23 4 +332576.38 7260.0 – C57
2021-12-21 04:03:55 S 09 23 42.816 +28 07 11.32 – V C57
2021-12-21 04:03:55 s 1 +114074.33 3 +333246.47 2280.0 – C57
2021-12-21 04:53:55 S 09 23 38.011 +28 06 30.28 – V C57
2021-12-21 04:53:55 s 1 +112572.99 0 +334902.84 6800.0 – C57
2021-12-21 05:53:55 S 09 23 32.482 +28 05 38.62 – V C57
2021-12-21 05:53:55 s 1 +110759.17 8 +336855.05 1730.0 – C57
2021-12-21 06:43:55 S 09 23 28.358 +28 04 51.71 – V C57
2021-12-21 06:43:55 s 1 +109237.73 3 +338452.48 6380.0 – C57
2021-12-21 07:03:55 S 09 23 26.227 +28 04 40.58 – V C57
2021-12-21 07:03:55 s 1 +108626.67 2 +339083.98 5650.0 – C57
2021-12-21 07:13:55 S 09 23 25.097 +28 04 29.21 – V C57