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
2010-12-30 18:58:45 S 23 54 06.58 +35 24 28.7 L C51
2010-12-30 22:09:17 S 23 54 52.15 +35 24 05.4 L C51
2010-12-31 01:19:37 S 23 55 37.596 +35 23 41.64 L C51
2010-12-31 04:30:08 S 23 56 23.10 +35 23 17.0 L C51
2010-12-31 07:40:28 S 23 57 08.50 +35 22 52.7 L C51
2010-12-31 10:50:59 S 23 57 53.98 +35 22 26.3 L C51
2010-12-31 14:01:20 S 23 58 39.35 +35 22 00.7 L C51
2010-12-31 14:01:31 S 23 58 39.40 +35 21 59.4 L C51
2010-12-31 17:11:50 S 23 59 24.77 +35 21 33.1 L C51
2010-12-31 20:22:22 S 00 00 10.18 +35 21 04.4 L C51
2010-12-31 23:32:41 S 00 00 55.50 +35 20 36.6 L C51
2011-01-01 02:43:13 S 00 01 40.848 +35 20 07.66 L C51
2011-01-01 05:53:33 S 00 02 26.14 +35 19 38.1 L C51
2011-01-01 09:04:04 S 00 03 11.45 +35 19 07.4 L C51
2011-01-01 12:14:24 S 00 03 56.71 +35 18 36.8 L C51
2011-01-01 15:24:55 S 00 04 41.97 +35 18 04.5 L C51
2011-01-01 18:35:27 S 00 05 27.20 +35 17 32.0 L C51
2011-01-01 21:45:46 S 00 06 12.38 +35 16 58.9 L C51
2011-01-02 00:56:18 S 00 06 57.57 +35 16 24.7 L C51
2011-01-02 04:06:37 S 00 07 42.71 +35 15 51.1 L C51
2011-01-03 23:49:50 C 00 18 01.46 +35 06 50.3 u I15
2011-01-03 23:54:39 C 00 18 02.54 +35 06 49.0 u I15
2011-01-03 23:59:29 C 00 18 03.67 +35 06 47.8 u I15
2011-01-10 05:43:18 S 00 52 32.41 +34 22 19.5 L C51
2011-01-10 08:53:38 S 00 53 15.18 +34 21 11.2 L C51
2011-01-10 08:53:49 S 00 53 15.26 +34 21 09.7 L C51
2011-01-10 12:04:09 S 00 53 57.90 +34 20 01.5 L C51
2011-01-10 15:14:40 S 00 54 40.66 +34 18 50.3 L C51
2011-01-10 18:25:00 S 00 55 23.31 +34 17 41.3 L C51
2011-01-10 21:35:31 S 00 56 05.92 +34 16 29.8 L C51
2011-01-11 00:45:51 S 00 56 48.39 +34 15 19.2 L C51
2011-01-11 03:56:22 S 00 57 30.88 +34 14 07.2 L C51
2011-01-11 07:06:42 S 00 58 13.31 +34 12 55.7 L C51
2011-01-11 13:27:33 S 00 59 38.01 +34 10 29.7 L C51
2011-01-11 13:27:45 S 00 59 38.03 +34 10 28.5 L C51
2011-01-11 16:38:05 S 01 00 20.35 +34 09 17.0 L C51
2011-01-11 19:48:36 S 01 01 02.64 +34 08 02.4 L C51
2011-01-11 22:58:56 S 01 01 44.78 +34 06 48.5 L C51
2011-01-12 02:09:27 S 01 02 26.97 +34 05 34.1 L C51
2011-01-12 05:19:47 S 01 03 09.00 +34 04 19.0 L C51
2011-01-12 08:30:18 S 01 03 51.05 +34 03 03.8 L C51
2011-01-12 11:40:38 S 01 04 33.00 +34 01 48.5 L C51
2011-01-12 14:51:10 S 01 05 14.98 +34 00 31.5 L C51
2011-01-27 03:58:48 S 02 16 14.004 +31 11 58.67 L C51
2011-01-27 07:09:20 S 02 16 49.43 +31 10 16.5 L C51
2011-01-27 10:19:40 S 02 17 24.698 +31 08 34.58 L C51
2011-01-27 13:30:11 S 02 18 00.10 +31 06 54.5 L C51
2011-01-27 16:40:42 S 02 18 35.431 +31 05 11.98 L C51
2011-01-27 19:51:02 S 02 19 10.58 +31 03 30.5 L C51
2011-01-27 23:01:33 S 02 19 45.72 +31 01 48.3 L C51