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
2021-12-12 08:14:57 C 09 38 35.77 +31 03 03.1 V 703
2021-12-13 13:42:38 C 09 36 45.64 +30 39 04.0 V T08
2021-12-13 13:45:17 C 09 36 45.45 +30 39 02.3 V T08
2021-12-13 13:50:41 C 09 36 45.06 +30 38 57.6 V T08
2021-12-13 14:17:59 C 09 36 43.27 +30 38 35.2 V T08
2021-12-16 11:21:44 C 09 31 55.72 +29 40 59.2 V 703
2021-12-16 11:30:06 C 09 31 55.05 +29 40 52.3 V 703
2021-12-16 11:38:30 C 09 31 54.42 +29 40 44.8 V 703
2021-12-16 11:47:13 C 09 31 53.70 +29 40 37.8 V 703
2021-12-17 18:30:08 C 09 29 32.88 +29 14 29.0 V D29
2021-12-17 18:59:13 C 09 29 30.45 +29 14 04.4 V D29
2021-12-17 19:28:19 C 09 29 28.01 +29 13 39.7 V D29
2021-12-20 11:53:55 S 09 25 06.226 +28 21 01.01 V C57
2021-12-20 11:53:55 s 1 +141061.23 3 +295653.81 4580.0 C57
2021-12-20 12:23:55 S 09 25 03.919 +28 20 36.31 V C57
2021-12-20 12:23:55 s 1 +140296.51 5 +296976.29 2720.0 C57
2021-12-20 13:13:55 S 09 24 59.606 +28 19 52.82 V C57
2021-12-20 13:13:55 s 1 +139010.81 3 +299157.17 1930.0 C57
2021-12-20 13:33:55 S 09 24 57.665 +28 19 35.47 V C57
2021-12-20 13:33:55 s 1 +138492.67 6 +300021.40 3470.0 C57
2021-12-20 13:53:55 S 09 24 55.949 +28 19 20.93 V C57
2021-12-20 13:53:55 s 1 +137972.36 2 +300881.01 7050.0 C57
2021-12-20 14:03:55 S 09 24 55.421 +28 19 08.11 V C57
2021-12-20 14:03:55 s 1 +137711.39 5 +301309.09 870.0 C57
2021-12-20 14:23:55 S 09 24 53.455 +28 18 51.77 V C57
2021-12-20 14:23:55 s 1 +137187.85 1 +302161.78 2620.0 C57
2021-12-20 14:53:55 S 09 24 51.298 +28 18 30.31 V C57
2021-12-20 14:53:55 s 1 +136398.54 3 +303432.19 660.0 C57
2021-12-20 15:03:55 S 09 24 50.234 +28 18 14.47 V C57
2021-12-20 15:03:55 s 1 +136134.38 5 +303853.36 2820.0 C57
2021-12-20 16:33:55 S 09 24 42.828 +28 17 08.16 V C57
2021-12-20 16:33:55 s 1 +133733.63 4 +307592.43 7240.0 C57
2021-12-20 17:13:55 S 09 24 38.501 +28 16 22.80 V C57
2021-12-20 17:13:55 s 1 +132653.41 3 +309224.62 20.0 C57
2021-12-20 17:33:55 S 09 24 37.476 +28 16 10.20 V C57
2021-12-20 17:33:55 s 1 +132110.31 5 +310033.90 570.0 C57
2021-12-20 18:03:55 S 09 24 34.498 +28 15 47.09 V C57
2021-12-20 18:03:55 s 1 +131291.97 9 +311239.34 3030.0 C57
2021-12-20 18:23:55 S 09 24 32.933 +28 15 33.16 V C57
2021-12-20 18:23:55 s 1 +130743.98 6 +312037.32 5860.0 C57
2021-12-20 18:33:55 S 09 24 32.347 +28 15 20.63 V C57
2021-12-20 18:33:55 s 1 +130469.26 5 +312434.62 9650.0 C57
2021-12-20 18:43:55 S 09 24 31.253 +28 15 10.62 V C57
2021-12-20 18:43:55 s 1 +130194.06 4 +312830.79 1710.0 C57
2021-12-20 19:03:55 S 09 24 29.647 +28 14 58.31 V C57
2021-12-20 19:03:55 s 1 +129642.22 8 +313619.76 650.0 C57
2021-12-20 19:23:55 S 09 24 27.706 +28 14 37.10 V C57
2021-12-20 19:23:55 s 1 +129088.49 4 +314404.23 2740.0 C57
2021-12-20 19:43:55 S 09 24 25.714 +28 14 19.39 V C57
2021-12-20 19:43:55 s 1 +128532.87 7 +315184.22 8050.0 C57