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
2019-12-04 05:05:25 C 21 06 46.30 +20 25 57.5 V T08
2019-12-04 05:19:53 C 21 06 48.77 +20 26 08.3 V T08
2019-12-16 05:30:46 C 22 00 07.17 +23 57 52.9 V T08
2019-12-16 05:36:11 C 22 00 08.21 +23 57 56.6 V T08
2019-12-16 06:06:33 C 22 00 14.04 +23 58 16.8 V T08
2019-12-16 06:14:34 C 22 00 15.59 +23 58 21.5 V T08
2019-12-20 02:07:03 C 22 18 24.25 +24 56 37.2 V 703
2019-12-20 02:15:19 C 22 18 25.91 +24 56 41.9 V 703
2019-12-20 02:31:49 C 22 18 29.12 +24 56 51.9 V 703
2020-01-03 03:33:12 C 23 28 27.85 +27 38 58.2 V 703
2020-01-03 03:41:02 C 23 28 29.48 +27 39 02.4 V 703
2020-01-03 03:48:51 C 23 28 31.09 +27 39 04.3 V 703
2020-01-03 03:56:42 C 23 28 32.74 +27 39 07.5 V 703
2020-01-04 01:47:17 C 23 33 11.93 +27 46 32.2 V G96
2020-01-04 01:55:31 C 23 33 13.65 +27 46 34.8 V G96
2020-01-04 02:03:42 C 23 33 15.38 +27 46 37.3 V G96
2020-01-04 02:11:55 C 23 33 17.09 +27 46 40.1 V G96
2020-01-20 23:50:23 C 00 58 43.23 +28 52 03.6 q I15
2020-01-20 23:57:41 C 00 58 44.71 +28 52 03.3 q I15
2020-01-21 00:07:07 C 00 58 46.65 +28 52 03.7 q I15
2020-01-25 06:38:31 C 01 19 29.94 +28 49 08.2 V T08
2020-01-25 06:42:33 C 01 19 30.69 +28 49 09.2 V T08
2020-01-25 06:51:57 C 01 19 32.54 +28 49 08.0 V T08
2020-01-25 07:06:05 C 01 19 35.36 +28 49 06.6 V T08
2020-01-26 03:36:00 C 01 23 40.06 +28 47 41.7 V 703
2020-01-26 03:44:17 C 01 23 41.70 +28 47 41.9 V 703
2020-01-26 04:00:51 C 01 23 45.02 +28 47 40.1 V 703
2020-01-29 03:51:02 C 01 37 50.88 +28 40 57.2 V 703
2020-01-29 03:59:13 C 01 37 52.50 +28 40 55.3 V 703
2020-01-29 04:15:33 C 01 37 55.39 +28 40 52.9 V 703
2020-02-03 02:21:59 C 02 00 25.37 +28 24 09.0 U I41
2020-02-03 02:38:15 C 02 00 28.40 +28 24 06.3 U I41
2020-02-03 02:40:24 C 02 00 28.80 +28 24 06.1 U I41
2020-02-03 03:08:10 C 02 00 33.89 +28 24 01.0 U I41
2020-02-03 03:10:20 C 02 00 34.28 +28 24 00.6 U I41
2021-06-06 10:37:59 C 23 17 34.83 -05 20 45.6 V 703
2021-06-06 10:46:00 C 23 17 35.74 -05 20 30.8 V 703
2021-06-06 10:54:02 C 23 17 36.56 -05 20 15.2 V 703
2021-06-06 11:02:04 C 23 17 37.40 -05 19 59.2 V 703
2021-06-09 10:45:25 C 23 25 48.89 -02 58 17.1 V G96
2021-06-09 10:51:34 C 23 25 49.58 -02 58 04.6 V G96
2021-06-09 10:57:43 C 23 25 50.27 -02 57 52.0 V G96
2021-06-09 11:03:53 C 23 25 50.96 -02 57 39.6 V G96
2021-06-11 10:28:40 C 23 31 18.78 -01 20 36.5 V G96
2021-06-11 10:38:08 C 23 31 19.85 -01 20 16.8 V G96
2021-06-11 10:47:35 C 23 31 20.93 -01 19 57.3 V G96
2021-06-11 10:57:02 C 23 31 22.00 -01 19 37.5 V G96
2021-06-14 10:19:33 C 23 39 40.83 +01 11 26.9 V 703
2021-06-14 10:34:44 C 23 39 42.65 +01 12 00.8 V 703
2021-06-14 10:42:19 C 23 39 43.41 +01 12 17.3 V 703