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
2021-12-24 04:23:55 s 1 -34535.106 0 +383438.31 230.0 C57
2021-12-24 04:33:55 S 09 16 36.132 +27 02 00.53 V C57
2021-12-24 04:33:55 s 1 -34888.283 0 +383343.43 2650.0 C57
2021-12-24 04:53:55 S 09 16 34.188 +27 01 41.16 V C57
2021-12-24 04:53:55 s 1 -35594.377 0 +383150.80 5640.0 C57
2021-12-24 05:03:55 S 09 16 33.686 +27 01 37.34 V C57
2021-12-24 05:03:55 s 1 -35947.292 0 +383053.05 6210.0 C57
2021-12-24 05:23:55 S 09 16 31.409 +27 01 12.86 V C57
2021-12-24 05:23:55 s 1 -36652.854 0 +382854.65 5450.0 C57
2021-12-24 05:33:55 S 09 16 29.962 +27 01 01.96 V C57
2021-12-24 05:33:55 s 1 -37005.499 0 +382754.02 4130.0 C57
2021-12-24 05:43:55 S 09 16 28.642 +27 00 55.87 V C57
2021-12-24 05:43:55 s 1 -37358.051 0 +382652.42 2160.0 C57
2021-12-24 05:53:55 S 09 16 27.562 +27 00 48.02 V C57
2021-12-24 05:53:55 s 1 -37710.511 0 +382549.86 9550.0 C57
2021-12-24 06:13:55 S 09 16 26.222 +27 00 30.60 V C57
2021-12-24 06:13:55 s 1 -38415.148 0 +382341.85 2390.0 C57
2021-12-24 06:23:55 S 09 16 24.713 +27 00 18.76 V C57
2021-12-24 06:23:55 s 1 -38767.324 0 +382236.40 7830.0 C57
2021-12-24 06:53:55 S 09 16 21.449 +26 59 54.28 V C57
2021-12-24 06:53:55 s 1 -39823.265 0 +381914.29 170.0 C57
2021-12-24 07:23:55 S 09 16 18.547 +26 59 24.58 V C57
2021-12-24 07:23:55 s 1 -40878.310 0 +381583.51 6460.0 C57
2021-12-24 08:13:55 S 09 16 12.922 +26 58 33.96 V C57
2021-12-24 08:13:55 s 1 -42634.657 0 +381012.96 3200.0 C57
2021-12-24 08:23:55 S 09 16 11.731 +26 58 27.44 V C57
2021-12-24 08:23:55 s 1 -42985.609 0 +380895.95 450.0 C57
2021-12-24 08:33:55 S 09 16 10.649 +26 58 22.98 V C57
2021-12-24 08:33:55 s 1 -43336.452 0 +380777.99 6990.0 C57
2021-12-24 08:53:55 S 09 16 08.693 +26 57 58.93 V C57
2021-12-24 08:53:55 s 1 -44037.810 0 +380539.16 7930.0 C57
2021-12-24 10:13:55 S 09 16 00.547 +26 56 51.04 V C57
2021-12-24 10:13:55 s 1 -46838.719 0 +379545.24 2470.0 C57
2021-12-24 10:23:55 S 09 15 59.124 +26 56 35.34 V C57
2021-12-24 10:23:55 s 1 -47188.308 0 +379416.65 940.0 C57
2021-12-24 10:33:55 S 09 15 57.684 +26 56 29.87 V C57
2021-12-24 10:33:55 s 1 -47537.777 0 +379287.10 8640.0 C57
2021-12-24 10:53:55 S 09 15 55.673 +26 56 08.09 V C57
2021-12-24 10:53:55 s 1 -48236.352 0 +379025.09 1750.0 C57
2021-12-24 11:23:55 S 09 15 52.973 +26 55 37.13 V C57
2021-12-24 11:23:55 s 1 -49283.290 0 +378624.82 5600.0 C57
2021-12-24 11:33:55 S 09 15 51.962 +26 55 35.00 V C57
2021-12-24 11:33:55 s 1 -49632.019 0 +378489.46 8660.0 C57
2021-12-24 11:43:55 S 09 15 50.436 +26 55 21.50 V C57
2021-12-24 11:43:55 s 1 -49980.622 0 +378353.14 920.0 C57
2021-12-24 11:53:55 S 09 15 49.193 +26 55 11.96 V C57
2021-12-24 11:53:55 s 1 -50329.097 0 +378215.84 2390.0 C57
2021-12-24 12:33:55 S 09 15 44.887 +26 54 37.76 V C57
2021-12-24 12:33:55 s 1 -51721.699 0 +377656.97 240.0 C57
2021-12-24 13:03:55 S 09 15 41.863 +26 54 08.82 V C57