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
2011-01-28 02:11:53 S 02 20 20.71 +31 00 07.3 L C51
2011-01-28 05:22:24 S 02 20 55.740 +30 58 24.71 L C51
2011-01-28 08:32:44 S 02 21 30.70 +30 56 42.5 L C51
2011-01-28 11:43:16 S 02 22 05.63 +30 55 00.6 L C51
2011-01-28 14:53:35 S 02 22 40.51 +30 53 19.7 L C51
2011-01-28 21:14:26 S 02 23 49.99 +30 49 54.0 L C51
2011-01-28 22:49:48 S 02 24 07.39 +30 49 03.8 L C51
2011-01-29 00:24:58 S 02 24 24.69 +30 48 12.5 L C51
2011-01-29 02:00:08 S 02 24 42.03 +30 47 21.5 L C51
2011-01-29 03:35:17 S 02 24 59.26 +30 46 31.0 L C51
2011-01-29 03:35:28 S 02 24 59.33 +30 46 29.3 L C51
2011-01-29 05:10:39 S 02 25 16.61 +30 45 39.0 L C51
2011-01-29 06:45:49 S 02 25 33.88 +30 44 47.9 L C51
2011-01-29 08:20:59 S 02 25 51.12 +30 43 57.1 L C51
2011-01-29 09:56:19 S 02 26 08.39 +30 43 04.7 L C51
2011-01-29 11:31:30 S 02 26 25.66 +30 42 14.6 L C51
2011-01-29 13:06:40 S 02 26 42.77 +30 41 22.7 L C51
2011-01-29 14:41:50 S 02 27 00.00 +30 40 32.0 L C51
2011-01-29 16:17:11 S 02 27 17.23 +30 39 40.6 L C51
2011-01-29 17:52:21 S 02 27 34.42 +30 38 49.7 L C51
2011-01-29 19:27:31 S 02 27 51.55 +30 37 58.8 L C51
2011-01-29 21:02:41 S 02 28 08.65 +30 37 08.0 L C51
2011-01-29 21:02:52 S 02 28 08.77 +30 37 05.9 L C51
2011-01-29 22:38:02 S 02 28 25.83 +30 36 15.7 L C51
2011-01-30 00:13:12 S 02 28 42.94 +30 35 24.4 L C51
2011-01-30 01:48:22 S 02 29 00.07 +30 34 32.3 L C51
2011-01-30 03:23:43 S 02 29 17.16 +30 33 42.0 L C51
2011-01-30 06:34:04 S 02 29 51.25 +30 31 59.8 L C51
2011-01-30 09:44:34 S 02 30 25.40 +30 30 17.1 L C51
2011-01-30 12:54:55 S 02 30 59.40 +30 28 35.0 L C51
2011-01-30 19:15:46 S 02 32 07.27 +30 25 09.1 L C51
2011-01-30 22:26:17 S 02 32 41.14 +30 23 26.8 L C51
2011-01-31 04:47:08 S 02 33 48.70 +30 20 01.4 L C51
2011-01-31 07:57:28 S 02 34 22.30 +30 18 19.3 L C51
2011-01-31 11:07:59 S 02 34 56.00 +30 16 35.4 L C51
2011-01-31 14:18:19 S 02 35 29.54 +30 14 53.6 L C51
2011-01-31 14:18:30 S 02 35 29.61 +30 14 52.2 L C51
2011-01-31 17:28:51 S 02 36 03.16 +30 13 09.6 L C51
2011-03-01 03:55:35 C 04 18 24.01 +24 30 03.4 r 703
2011-03-01 04:06:25 C 04 18 25.38 +24 29 56.9 r 703
2011-03-01 04:17:17 C 04 18 26.78 +24 29 52.4 r 703
2011-03-01 04:28:07 C 04 18 28.11 +24 29 47.6 r 703
2012-06-03 10:12:51 C 23 36 06.36 +00 21 03.3 u 807
2012-06-03 10:22:43 C 23 36 07.55 +00 21 22.5 u 807
2012-06-03 10:32:31 C 23 36 08.71 +00 21 41.2 u 807
2012-08-07 02:36:35 C 03 57 43.13 +47 50 46.4 c A24
2012-08-07 02:38:39 C 03 57 43.45 +47 50 48.9 c A24
2012-11-15 10:26:09 C 09 55 23.06 +30 11 07.3 19.0 c 704
2012-11-15 11:07:56 C 09 55 24.58 +30 10 33.2 19.1 c 704
2012-11-15 11:28:46 C 09 55 25.27 +30 10 15.2 19.4 c 704