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
2021-11-12 10:24:25 C 09 46 29.05 +40 18 16.9 V 703
2021-11-12 14:09:26 C 09 46 36.32 +40 15 26.9 V T08
2021-11-12 14:17:25 C 09 46 36.48 +40 15 20.2 V T08
2021-11-12 14:22:45 C 09 46 36.68 +40 15 15.9 V T08
2021-11-12 14:50:05 C 09 46 37.39 +40 14 55.2 V T08
2021-11-15 09:32:08 C 09 48 30.46 +39 23 17.3 V 703
2021-11-15 09:40:25 C 09 48 30.62 +39 23 10.4 V 703
2021-11-15 09:48:42 C 09 48 30.86 +39 23 02.9 V 703
2021-11-15 09:56:58 C 09 48 30.98 +39 22 57.6 V 703
2021-11-17 19:54:25 C 09 49 44.94 +38 38 24.3 V D29
2021-11-17 20:09:27 C 09 49 45.18 +38 38 13.0 V D29
2021-11-17 20:24:29 C 09 49 45.40 +38 38 01.6 V D29
2021-11-18 11:44:58 C 09 50 01.16 +38 26 15.1 V G96
2021-11-18 11:52:28 C 09 50 01.27 +38 26 09.5 V G96
2021-11-18 12:00:02 C 09 50 01.36 +38 26 03.8 V G96
2021-11-18 12:07:32 C 09 50 01.45 +38 25 58.3 V G96
2021-11-19 14:17:29 C 09 50 24.890 +38 05 56.78 U F52
2021-11-19 14:37:00 C 09 50 25.071 +38 05 42.09 U F52
2021-11-19 14:56:31 C 09 50 25.240 +38 05 27.62 U F52
2021-11-19 15:16:04 C 09 50 25.419 +38 05 12.61 U F52
2021-11-22 13:23:58 C 09 51 04.12 +37 11 33.3 V T05
2021-11-22 13:38:30 C 09 51 04.19 +37 11 23.6 V T05
2021-11-22 14:01:13 C 09 51 04.16 +37 11 06.2 V T05
2021-11-22 14:08:29 C 09 51 04.14 +37 11 00.3 V T05
2021-11-30 11:19:35 C 09 49 45.72 +34 46 30.6 V 703
2021-11-30 11:27:17 C 09 49 45.53 +34 46 24.2 V 703
2021-11-30 11:35:00 C 09 49 45.35 +34 46 20.1 V 703
2021-11-30 11:42:44 C 09 49 45.17 +34 46 12.9 V 703
2021-12-03 08:24:54 C 09 48 07.55 +33 53 20.9 V 703
2021-12-03 08:32:51 C 09 48 07.15 +33 53 15.1 V 703
2021-12-03 08:40:48 C 09 48 06.89 +33 53 08.8 V 703
2021-12-03 08:48:45 C 09 48 06.72 +33 53 02.5 V 703
2021-12-03 08:55:56 C 09 48 06.44 +33 52 58.4 V 703
2021-12-03 09:03:46 C 09 48 06.13 +33 52 52.2 V 703
2021-12-03 09:11:35 C 09 48 05.94 +33 52 46.2 V 703
2021-12-03 09:19:24 C 09 48 05.68 +33 52 40.4 V 703
2021-12-06 07:51:57 C 09 45 43.07 +32 57 53.7 V 703
2021-12-06 07:59:48 C 09 45 42.75 +32 57 47.9 V 703
2021-12-06 08:07:40 C 09 45 42.44 +32 57 41.7 V 703
2021-12-06 08:15:30 C 09 45 42.09 +32 57 35.6 V 703
2021-12-09 13:36:06 C 09 42 15.36 +31 56 44.6 V T08
2021-12-09 13:38:06 C 09 42 15.19 +31 56 44.0 V T08
2021-12-09 13:43:07 C 09 42 14.98 +31 56 38.3 V T08
2021-12-09 13:43:52 C 09 42 14.81 +31 56 38.3 V T08
2021-12-09 13:53:27 C 09 42 14.33 +31 56 31.2 V T08
2021-12-09 14:14:39 C 09 42 13.20 +31 56 14.4 V T08
2021-12-09 14:15:19 C 09 42 13.15 +31 56 14.3 V T08
2021-12-12 07:51:01 C 09 38 37.37 +31 03 21.7 V 703
2021-12-12 07:58:59 C 09 38 36.87 +31 03 15.4 V 703
2021-12-12 08:06:58 C 09 38 36.39 +31 03 09.2 V 703