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
2001-09-12 03:01:28 C 17 37 33.67 +20 37 38.1 18.0 c 704
2001-09-12 03:02:05 C 17 37 33.73 +20 37 39.5 18.2 c 704
2001-09-12 03:22:14 C 17 37 34.54 +20 38 06.2 17.9 c 704
2001-09-12 03:22:41 C 17 37 34.59 +20 38 06.9 18.2 c 704
2001-09-12 03:25:45 C 17 37 34.92 +20 38 10.6 c 670
2001-09-12 03:31:57 C 17 37 35.39 +20 38 14.6 c 658
2001-09-12 03:36:30 C 17 37 34.86 +20 38 23.5 d 850
2001-09-12 03:38:07 C 17 37 35.64 +20 38 22.9 c 658
2001-09-12 03:40:52 C 17 37 35.76 +20 38 26.6 c 658
2001-09-12 03:42:59 C 17 37 35.42 +20 38 34.0 18.1 c 704
2001-09-12 03:43:15 C 17 37 35.44 +20 38 34.7 18.1 c 704
2001-09-12 03:58:56 C 17 37 36.39 +20 38 55.5 c 670
2001-09-12 04:03:47 C 17 37 36.30 +20 39 02.0 18.3 c 704
2001-09-12 04:03:59 C 17 37 36.36 +20 39 02.7 18.2 c 704
2001-09-12 04:49:45 C 17 37 38.56 +20 40 03.2 c 670
2001-09-12 20:21:52 C 17 38 23.04 +21 01 00.2 c 104
2001-09-12 20:24:30 C 17 38 23.15 +21 01 03.8 c 104
2001-09-12 20:27:19 C 17 38 23.20 +21 01 07.8 c 104
2001-09-12 20:41:28 C 17 38 23.97 +21 01 26.8 d 587
2001-09-12 20:47:51 C 17 38 24.19 +21 01 36.1 d 587
2001-09-16 03:00:56 C 17 42 20.85 +22 43 52.0 c 670
2001-09-16 05:01:08 C 17 42 26.57 +22 46 22.5 c 670
2001-09-17 11:12:39 C 17 44 03.59 +23 24 20.6 360
2001-09-17 11:14:47 C 17 44 03.71 +23 24 23.4 360
2001-09-17 11:17:07 C 17 44 03.83 +23 24 26.2 360
2001-09-18 19:41:33 C 17 45 50.90 +24 04 16.9 a 118
2001-09-18 19:48:25 C 17 45 51.27 +24 04 25.0 a 118
2001-09-19 10:09:54 C 17 46 40.01 +24 21 57.9 402
2001-09-19 10:11:48 C 17 46 40.14 +24 21 59.0 402
2001-09-19 10:13:42 C 17 46 40.25 +24 22 02.9 402
2001-09-25 01:49:15 C 17 54 49.49 +26 59 54.4 d 649
2001-09-25 01:55:44 C 17 54 49.87 +27 00 01.5 d 649
2001-09-25 02:02:04 C 17 54 50.24 +27 00 08.5 d 649
2001-09-25 19:44:11 C 17 55 57.86 +27 19 52.9 071
2001-09-25 19:52:05 C 17 55 58.45 +27 20 01.4 071
2001-09-25 19:58:35 C 17 55 58.79 +27 20 07.8 071
2001-09-27 20:02:17 C 17 59 08.35 +28 13 01.4 a 118
2001-09-27 20:14:58 C 17 59 09.12 +28 13 15.3 a 118
2001-10-06 18:30:08 C 18 14 40.78 +31 56 17.8 c 118
2001-10-06 18:35:48 C 18 14 41.16 +31 56 23.4 c 118
2001-10-06 18:38:26 C 18 14 41.39 +31 56 25.8 c 118
2001-10-08 18:11:59 C 18 18 28.86 +32 43 30.3 c 118
2001-10-08 18:14:05 C 18 18 28.94 +32 43 32.5 c 118
2001-10-10 17:50:16 C 18 22 24.91 +33 29 55.1 c 118
2001-10-10 17:51:49 C 18 22 25.03 +33 29 56.9 c 118
2001-10-10 17:56:07 C 18 22 25.42 +33 30 00.9 c 118
2001-10-17 18:58:47 C 18 37 39.19 +36 09 21.8 i 587
2001-10-17 19:19:25 C 18 37 40.84 +36 09 40.8 i 587
2001-11-04 17:40:10 C 19 28 17.30 +42 28 06.9 c 198
2001-11-04 17:54:54 C 19 28 19.44 +42 28 19.2 c 198