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
2021-12-23 17:23:55 s 1 -11080.963 0 +387582.55 2130.0 – C57
2021-12-23 17:33:55 S 09 17 45.802 +27 12 16.99 – V C57
2021-12-23 17:33:55 s 1 -11437.797 0 +387550.82 6310.0 – C57
2021-12-23 17:53:55 S 09 17 43.752 +27 12 01.04 – V C57
2021-12-23 17:53:55 s 1 -12151.387 0 +387484.50 3600.0 – C57
2021-12-23 18:03:55 S 09 17 42.506 +27 11 49.20 – V C57
2021-12-23 18:03:55 s 1 -12508.141 0 +387449.90 6710.0 – C57
2021-12-23 18:13:55 S 09 17 41.218 +27 11 35.34 – V C57
2021-12-23 18:13:55 s 1 -12864.866 0 +387414.36 9440.0 – C57
2021-12-23 19:33:55 S 09 17 33.482 +27 10 26.18 – V C57
2021-12-23 19:33:55 s 1 -15717.535 0 +387095.61 7730.0 – C57
2021-12-23 20:03:55 S 09 17 29.801 +27 09 55.48 – V C57
2021-12-23 20:03:55 s 1 -16786.705 0 +386960.32 4340.0 – C57
2021-12-23 20:13:55 S 09 17 28.968 +27 09 49.39 – V C57
2021-12-23 20:13:55 s 1 -17143.018 0 +386913.32 2390.0 – C57
2021-12-23 20:23:55 S 09 17 28.001 +27 09 39.96 – V C57
2021-12-23 20:23:55 s 1 -17499.291 0 +386865.35 20.0 – C57
2021-12-23 20:53:55 S 09 17 24.823 +27 09 09.36 – V C57
2021-12-23 20:53:55 s 1 -18567.858 0 +386715.74 390.0 – C57
2021-12-23 21:03:55 S 09 17 23.695 +27 09 00.61 – V C57
2021-12-23 21:03:55 s 1 -18923.960 0 +386663.96 6320.0 – C57
2021-12-23 21:23:55 S 09 17 21.634 +27 08 45.46 – V C57
2021-12-23 21:23:55 s 1 -19636.029 0 +386557.52 6870.0 – C57
2021-12-23 22:43:55 S 09 17 12.994 +27 07 25.28 – V C57
2021-12-23 22:43:55 s 1 -22482.368 0 +386093.56 1020.0 – C57
2021-12-23 22:53:55 S 09 17 12.086 +27 07 20.10 – V C57
2021-12-23 22:53:55 s 1 -22837.927 0 +386031.26 1950.0 – C57
2021-12-23 23:23:55 S 09 17 09.298 +27 06 43.96 – V C57
2021-12-23 23:23:55 s 1 -23904.273 0 +385838.63 1830.0 – C57
2021-12-23 23:53:55 S 09 17 05.890 +27 06 22.14 – V C57
2021-12-23 23:53:55 s 1 -24970.099 0 +385637.39 7310.0 – C57
2021-12-24 00:03:55 S 09 17 04.879 +27 06 08.89 – V C57
2021-12-24 00:03:55 s 1 -25325.255 0 +385568.40 4800.0 – C57
2021-12-24 00:13:55 S 09 17 04.097 +27 06 01.19 – V C57
2021-12-24 00:13:55 s 1 -25680.350 0 +385498.44 1780.0 – C57
2021-12-24 00:33:55 S 09 17 01.858 +27 05 45.64 – V C57
2021-12-24 00:33:55 s 1 -26390.352 0 +385355.67 4220.0 – C57
2021-12-24 01:33:55 S 09 16 55.327 +27 04 53.87 – V C57
2021-12-24 01:33:55 s 1 -28518.792 0 +384904.37 8960.0 – C57
2021-12-24 01:53:55 S 09 16 53.506 +27 04 32.88 – V C57
2021-12-24 01:53:55 s 1 -29227.726 0 +384746.27 2920.0 – C57
2021-12-24 02:03:55 S 09 16 52.030 +27 04 21.83 – V C57
2021-12-24 02:03:55 s 1 -29582.086 0 +384665.79 4070.0 – C57
2021-12-24 03:23:55 S 09 16 44.086 +27 03 10.15 – V C57
2021-12-24 03:23:55 s 1 -32414.283 0 +383987.39 3020.0 – C57
2021-12-24 03:33:55 S 09 16 43.097 +27 02 58.85 – V C57
2021-12-24 03:33:55 s 1 -32767.959 0 +383898.28 9040.0 – C57
2021-12-24 03:43:55 S 09 16 42.142 +27 02 47.36 – V C57
2021-12-24 03:43:55 s 1 -33121.553 0 +383808.20 4480.0 – C57
2021-12-24 04:23:55 S 09 16 37.781 +27 02 10.25 – V C57