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
2001-11-04 18:09:42 C 19 28 21.46 +42 28 31.6 c 198
2001-11-08 01:51:35 C 19 40 14.13 +43 33 52.7 18.0 c 704
2001-11-08 02:12:08 C 19 40 17.20 +43 34 08.7 18.5 c 704
2001-11-08 02:32:42 C 19 40 20.32 +43 34 24.7 18.4 c 704
2001-11-08 02:53:15 C 19 40 23.46 +43 34 41.2 18.9 c 704
2001-11-17 17:41:28 C 20 20 56.71 +46 28 27.8 c 118
2001-11-17 17:53:09 C 20 20 58.99 +46 28 35.5 c 118
2001-12-23 02:11:30 C 00 07 54.30 +47 20 16.1 18.7 c 704
2001-12-23 02:33:24 C 00 08 00.45 +47 19 58.2 18.5 c 704
2001-12-23 02:55:24 C 00 08 06.62 +47 19 40.1 18.7 c 704
2001-12-23 03:17:17 C 00 08 12.81 +47 19 22.5 18.8 c 704
2002-01-04 18:33:58 C 01 27 46.83 +42 18 43.8 c 046
2002-01-04 18:35:27 C 01 27 47.10 +42 18 42.2 c 046
2002-01-04 18:36:54 C 01 27 47.48 +42 18 40.7 c 046
2002-01-04 18:38:19 C 01 27 47.80 +42 18 38.7 c 046
2002-01-04 18:39:38 C 01 27 48.11 +42 18 37.4 c 046
2002-01-05 18:53:01 C 01 33 26.77 +41 51 01.3 c 113
2002-01-05 18:54:43 C 01 33 27.16 +41 50 58.5 c 113
2002-01-05 18:56:26 C 01 33 27.54 +41 50 56.8 c 113
2002-01-05 18:58:07 C 01 33 27.94 +41 50 55.4 c 113
2002-01-05 18:59:49 C 01 33 28.32 +41 50 53.4 c 113
2002-01-06 03:22:10 C 01 35 23.57 +41 41 22.2 19.0 c 704
2002-01-06 03:43:51 C 01 35 28.51 +41 40 56.6 19.1 c 704
2002-01-06 04:27:09 C 01 35 38.20 +41 40 05.8 18.8 c 704
2002-01-06 04:48:49 C 01 35 43.08 +41 39 40.6 19.1 c 704
2002-01-23 02:06:45 C 02 54 59.52 +34 00 58.6 18.9 c 704
2002-01-23 02:27:49 C 02 55 02.98 +34 00 36.9 19.2 c 704
2002-01-23 02:48:53 C 02 55 06.43 +34 00 15.5 19.0 c 704
2002-01-23 03:09:58 C 02 55 09.86 +33 59 53.4 19.2 c 704
2002-01-23 03:31:06 C 02 55 13.37 +33 59 30.3 19.3 c 704
2002-02-06 02:22:48 C 03 45 06.85 +28 44 56.5 19.0 c 704
2002-02-06 02:43:48 C 03 45 09.63 +28 44 39.6 19.2 c 704
2002-02-06 03:04:49 C 03 45 12.37 +28 44 21.9 19.4 c 704
2002-02-06 03:25:50 C 03 45 15.16 +28 44 04.0 19.3 c 704
2002-02-06 03:46:54 C 03 45 17.93 +28 43 46.8 19.3 c 704
2003-11-30 11:19:22 C 10 14 31.04 +18 23 57.8 d 291
2003-11-30 11:25:13 C 10 14 31.14 +18 23 52.5 d 291
2003-11-30 11:30:50 C 10 14 31.25 +18 23 47.8 d 291
2003-12-20 09:21:50 C 10 13 16.62 +11 19 42.5 19.6 c 704
2003-12-20 09:40:41 C 10 13 16.21 +11 19 25.4 19.7 c 704
2003-12-20 09:59:56 C 10 13 15.61 +11 19 09.5 19.7 c 704
2003-12-20 10:18:48 C 10 13 15.05 +11 18 52.6 19.6 c 704
2003-12-20 10:37:49 C 10 13 14.49 +11 18 34.1 19.5 c 704
2003-12-21 11:34:31 C 10 12 32.36 +10 56 30.7 19.0 c 704
2003-12-21 11:54:23 C 10 12 31.70 +10 56 13.8 19.1 c 704
2003-12-21 12:13:36 C 10 12 31.08 +10 55 57.2 19.3 c 704
2003-12-21 12:32:59 C 10 12 30.47 +10 55 39.9 18.9 c 704
2004-01-06 00:49:23 C 09 53 44.70 +05 33 42.1 r 170
2004-01-06 00:50:42 C 09 53 44.60 +05 33 41.3 r 170
2004-01-06 00:53:14 C 09 53 44.40 +05 33 39.4 r 170