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
2012-11-15 11:49:43 C 09 55 26.08 +30 09 57.8 19.4 c 704
2012-12-01 10:10:16 C 10 03 11.82 +24 46 40.9 u H21
2012-12-01 10:15:07 C 10 03 11.84 +24 46 36.7 u H21
2012-12-01 10:19:58 C 10 03 11.83 +24 46 32.4 u H21
2012-12-01 10:24:48 C 10 03 11.86 +24 46 28.5 u H21
2012-12-01 10:29:19 C 10 03 11.85 +24 46 24.7 u H21
2012-12-09 11:38:11 C 10 01 30.82 +22 02 37.1 r 703
2012-12-09 11:46:21 C 10 01 30.68 +22 02 29.4 r 703
2012-12-09 11:54:35 C 10 01 30.50 +22 02 22.8 r 703
2012-12-09 12:02:52 C 10 01 30.25 +22 02 14.9 r 703
2012-12-09 13:49:55 C 10 01 28.471 +22 00 46.07 L F51
2012-12-09 14:07:39 C 10 01 28.072 +22 00 31.15 L F51
2012-12-12 04:35:39 C 09 59 59.22 +21 07 11.0 c A24
2012-12-12 04:36:41 C 09 59 59.13 +21 07 09.7 c A24
2012-12-12 04:37:43 C 09 59 59.12 +21 07 09.8 c A24
2012-12-12 04:38:46 C 09 59 59.09 +21 07 07.7 c A24
2012-12-13 03:14:54 C 09 59 20.19 +20 47 48.6 o 461
2012-12-13 03:30:27 C 09 59 19.68 +20 47 35.2 o 461
2012-12-13 03:46:01 C 09 59 19.16 +20 47 21.8 o 461
2012-12-20 09:03:50 C 09 52 13.69 +18 18 18.2 r 703
2012-12-20 09:18:14 C 09 52 12.86 +18 18 05.8 r 703
2012-12-20 09:32:36 C 09 52 12.10 +18 17 53.6 r 703
2012-12-20 09:47:13 C 09 52 11.28 +18 17 40.6 r 703
2012-12-29 02:37:44 C 09 38 37.62 +15 15 31.3 q 160
2012-12-29 02:40:43 C 09 38 37.34 +15 15 28.2 q 160
2012-12-29 02:43:17 C 09 38 37.09 +15 15 25.4 q 160
2012-12-31 01:07:03 C 09 34 53.98 +14 34 48.7 q 160
2012-12-31 01:11:02 C 09 34 53.66 +14 34 45.2 q 160
2012-12-31 01:15:03 C 09 34 53.31 +14 34 42.1 q 160
2013-01-05 07:40:08 C 09 23 33.93 +12 44 34.2 u 703
2013-01-05 07:50:33 C 09 23 32.92 +12 44 24.3 u 703
2013-01-05 08:01:18 C 09 23 31.84 +12 44 14.9 u 703
2013-01-05 08:11:57 C 09 23 30.80 +12 44 05.4 u 703
2013-01-17 06:45:27 C 08 53 17.84 +08 46 22.1 r 703
2013-01-17 06:52:50 C 08 53 16.98 +08 46 16.7 r 703
2013-01-17 07:00:13 C 08 53 16.15 +08 46 11.5 r 703
2013-01-17 07:07:34 C 08 53 15.36 +08 46 05.5 r 703
2013-01-26 06:21:31 C 08 29 46.45 +06 12 39.7 u H21
2013-01-26 06:27:12 C 08 29 45.82 +06 12 36.1 u H21
2013-01-26 06:32:50 C 08 29 45.22 +06 12 32.4 u H21
2013-01-26 06:44:02 C 08 29 44.00 +06 12 25.2 u H21
2013-01-27 06:32:55 C 08 27 15.28 +05 57 21.6 u H21
2013-01-27 06:38:50 C 08 27 14.65 +05 57 18.2 u H21
2013-01-27 06:46:34 C 08 27 13.81 +05 57 13.2 u H21
2013-01-27 07:04:06 C 08 27 11.94 +05 57 02.4 u H21
2013-01-27 07:08:02 C 08 27 11.52 +05 57 00.0 u H21
2013-02-01 05:50:40 C 08 15 28.11 +04 48 24.8 r 703
2013-02-01 05:57:56 C 08 15 27.39 +04 48 21.0 r 703
2013-02-01 06:05:16 C 08 15 26.78 +04 48 17.5 r 703
2013-02-01 06:12:30 C 08 15 25.99 +04 48 13.6 r 703