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
2021-06-21 10:08:55 C 23 59 47.04 +07 28 48.9 V 703
2021-06-21 10:15:56 C 23 59 47.82 +07 29 05.0 V 703
2021-06-21 10:22:58 C 23 59 48.65 +07 29 21.2 V 703
2021-06-23 13:04:49 C 00 06 05.04 +09 28 56.5 V T08
2021-06-23 13:09:28 C 00 06 05.61 +09 29 07.2 V T08
2021-06-23 13:18:46 C 00 06 06.78 +09 29 29.7 V T08
2021-06-23 13:36:01 C 00 06 08.86 +09 30 10.8 V T08
2021-07-14 11:09:46 C 01 16 25.38 +30 18 59.8 V T08
2021-07-14 11:15:11 C 01 16 26.17 +30 19 13.5 V T08
2021-07-14 11:48:11 C 01 16 31.47 +30 20 35.4 V T08
2021-07-14 11:57:09 C 01 16 32.88 +30 20 58.1 V T08
2021-07-19 14:06:15 C 01 36 56.62 +35 16 06.1 V T08
2021-07-19 14:11:34 C 01 36 57.47 +35 16 18.4 V T08
2021-07-19 14:40:31 C 01 37 02.47 +35 17 27.7 V T08
2021-07-19 14:54:05 C 01 37 04.71 +35 17 59.7 V T08
2021-07-23 14:13:24 C 01 54 15.57 +38 56 46.9 V T08
2021-07-23 14:39:41 C 01 54 20.25 +38 57 46.3 V T08
2021-07-23 14:48:25 C 01 54 21.75 +38 58 05.3 V T08
2021-07-23 14:53:04 C 01 54 22.72 +38 58 15.5 V T08
2021-09-30 11:12:59 C 08 15 20.04 +53 42 39.5 U I41
2021-09-30 11:14:21 C 08 15 20.27 +53 42 38.6 U I41
2021-09-30 11:51:29 C 08 15 25.82 +53 42 13.6 U I41
2021-09-30 11:57:03 C 08 15 26.67 +53 42 09.8 U I41
2021-10-02 11:36:20 C 08 22 32.85 +53 08 16.2 V 703
2021-10-02 11:40:21 C 08 22 33.45 +53 08 13.9 V 703
2021-10-02 11:44:23 C 08 22 34.04 +53 08 10.9 V 703
2021-10-02 11:48:24 C 08 22 34.54 +53 08 07.3 V 703
2021-10-11 11:06:59 C 08 50 36.29 +50 25 57.9 V 703
2021-10-11 11:14:48 C 08 50 37.22 +50 25 51.7 V 703
2021-10-11 11:22:37 C 08 50 38.00 +50 25 46.2 V 703
2021-10-11 11:30:25 C 08 50 38.95 +50 25 41.2 V 703
2021-10-24 10:48:59 C 09 20 54.31 +46 18 26.0 V 703
2021-10-24 10:56:43 C 09 20 54.80 +46 18 20.7 V 703
2021-10-24 11:01:46 C 09 20 55.24 +46 18 16.2 V G96
2021-10-24 11:04:28 C 09 20 55.45 +46 18 14.3 V 703
2021-10-24 11:09:12 C 09 20 55.81 +46 18 10.4 V G96
2021-10-24 11:12:12 C 09 20 56.04 +46 18 08.6 V 703
2021-10-24 11:16:41 C 09 20 56.38 +46 18 04.7 V G96
2021-10-24 11:24:08 C 09 20 56.97 +46 17 58.9 V G96
2021-10-24 14:18:34 C 09 21 10.950 +46 15 41.30 U F52
2021-10-24 14:32:23 C 09 21 12.004 +46 15 30.14 U F52
2021-10-24 14:46:18 C 09 21 13.067 +46 15 19.50 U F52
2021-10-24 15:00:08 C 09 21 14.119 +46 15 08.74 U F52
2021-10-27 10:40:28 C 09 26 22.32 +45 20 54.0 V 703
2021-10-27 10:47:40 C 09 26 22.76 +45 20 48.5 V 703
2021-10-27 10:54:52 C 09 26 23.29 +45 20 43.4 V 703
2021-10-27 11:02:04 C 09 26 23.94 +45 20 37.4 V 703
2021-10-30 10:40:42 C 09 31 18.78 +44 23 25.8 V 703
2021-10-30 10:47:50 C 09 31 19.23 +44 23 19.8 V 703
2021-10-30 10:54:58 C 09 31 19.68 +44 23 13.1 V 703