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
2010-08-22 03:31:41 C 16 40 13.33 -10 20 19.9 o H21
2010-08-25 19:18:50 C 16 45 35.29 -08 00 42.5 u A78
2010-08-25 19:32:30 C 16 45 36.11 -08 00 21.7 u A78
2010-08-25 19:44:16 C 16 45 36.84 -08 00 04.1 u A78
2010-08-25 19:55:31 C 16 45 37.46 -07 59 46.1 u A78
2010-08-30 23:14:14 S 16 53 47.90 -04 55 17.2 L C51
2010-08-31 02:24:45 S 16 54 01.06 -04 50 43.0 L C51
2010-08-31 05:35:16 S 16 54 14.22 -04 46 09.2 L C51
2010-08-31 08:45:48 S 16 54 27.40 -04 41 35.6 L C51
2010-08-31 11:56:18 S 16 54 40.63 -04 37 02.6 L C51
2010-08-31 13:31:28 S 16 54 47.26 -04 34 46.1 L C51
2010-08-31 13:31:40 S 16 54 47.27 -04 34 46.4 L C51
2010-08-31 16:41:59 S 16 55 00.52 -04 30 13.9 L C51
2010-08-31 18:17:21 S 16 55 07.14 -04 27 58.2 L C51
2010-08-31 19:52:31 S 16 55 13.80 -04 25 42.3 L C51
2010-08-31 21:27:51 S 16 55 20.45 -04 23 26.3 L C51
2010-08-31 23:03:02 S 16 55 27.08 -04 21 11.4 L C51
2010-09-01 02:13:33 S 16 55 40.42 -04 16 40.6 L C51
2010-09-01 05:24:04 S 16 55 53.81 -04 12 10.0 L C51
2010-09-01 08:34:35 S 16 56 07.16 -04 07 40.0 L C51
2010-09-01 11:45:06 S 16 56 20.57 -04 03 10.8 L C51
2010-09-01 14:55:37 S 16 56 34.02 -03 58 41.7 L C51
2010-09-01 18:52:40 C 16 56 50.35 -03 53 20.5 u B38
2010-09-01 19:04:32 C 16 56 51.16 -03 53 04.2 u B38
2010-09-01 19:12:58 C 16 56 51.72 -03 52 52.4 u B38
2010-09-01 19:20:08 C 16 56 52.20 -03 52 41.6 u B38
2010-09-04 18:53:15 C 17 02 02.41 -02 13 59.3 u B38
2010-09-04 19:05:02 C 17 02 03.21 -02 13 45.0 u B38
2010-09-04 19:15:20 C 17 02 03.96 -02 13 29.9 u B38
2010-09-04 19:24:42 C 17 02 04.62 -02 13 17.6 u B38
2010-09-04 19:59:45 C 17 02 07.08 -02 12 30.8 u 160
2010-09-04 20:02:11 C 17 02 07.25 -02 12 27.4 u 160
2010-09-04 20:04:30 C 17 02 07.40 -02 12 23.9 u 160
2010-09-05 19:56:30 C 17 03 53.63 -01 40 19.7 u 160
2010-09-05 19:59:04 C 17 03 53.84 -01 40 16.1 u 160
2010-09-05 20:01:38 C 17 03 54.04 -01 40 12.4 u 160
2010-09-10 19:20:08 C 17 13 04.39 +00 54 25.0 v 204
2010-09-10 19:27:52 C 17 13 04.99 +00 54 34.6 v 204
2010-09-10 19:35:13 C 17 13 05.54 +00 54 43.7 v 204
2010-09-20 11:35:20 C 17 32 18.76 +05 32 45.4 o 300
2010-09-20 11:36:42 C 17 32 18.87 +05 32 47.6 o 300
2010-09-20 11:39:27 C 17 32 19.15 +05 32 50.8 o 300
2010-09-20 11:40:50 C 17 32 19.27 +05 32 52.7 o 300
2010-09-20 11:45:00 C 17 32 19.59 +05 32 56.7 o 300
2010-09-21 01:22:02 C 17 33 30.47 +05 48 28.1 u I15
2010-09-21 01:30:29 C 17 33 31.17 +05 48 37.0 u I15
2010-09-21 01:38:55 C 17 33 31.83 +05 48 46.7 u I15
2010-12-14 03:02:59 S 22 19 11.071 +34 35 21.62 L C51
2010-12-17 23:29:33 C 22 40 36.58 +35 03 54.4 u I15
2010-12-17 23:37:33 C 22 40 38.39 +35 03 56.3 u I15