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
2004-01-18 06:47:24 C 09 28 53.60 +01 45 32.8 d 703
2004-01-18 07:05:32 C 09 28 51.85 +01 45 19.7 d 703
2004-01-18 07:23:40 C 09 28 50.04 +01 45 06.6 d 703
2004-01-18 07:41:45 C 09 28 48.20 +01 44 53.5 d 703
2004-01-18 08:02:31 C 09 28 46.17 +01 44 39.1 m 683
2004-01-18 08:21:50 C 09 28 44.21 +01 44 26.4 m 683
2004-01-18 08:41:05 C 09 28 42.42 +01 44 12.9 m 683
2004-01-23 05:02:26 C 09 17 13.63 +00 26 57.8 c 830
2004-01-23 06:32:04 C 09 17 04.34 +00 26 02.5 c 830
2004-01-24 00:09:46 C 09 15 17.55 +00 15 08.9 o 084
2004-01-27 05:48:14 C 09 07 24.56 -00 29 40.2 o 699
2004-01-27 06:14:32 C 09 07 21.85 -00 29 55.3 o 699
2004-01-27 06:44:28 C 09 07 18.74 -00 30 11.3 o 699
2004-01-27 07:10:48 C 09 07 15.97 -00 30 25.2 o 699
2004-01-29 06:36:01 C 09 02 27.01 -00 55 24.6 18.2 c 704
2004-01-29 06:53:40 C 09 02 25.17 -00 55 33.3 18.3 c 704
2004-01-29 07:11:03 C 09 02 23.35 -00 55 42.2 18.7 c 704
2004-01-29 07:28:37 C 09 02 21.53 -00 55 50.7 18.3 c 704
2004-01-29 07:46:07 C 09 02 19.67 -00 55 59.8 18.3 c 704
2004-01-31 06:45:22 C 08 57 35.88 -01 18 53.1 17.8 c 704
2004-01-31 07:03:01 C 08 57 34.01 -01 19 00.7 18.2 c 704
2004-01-31 07:22:22 C 08 57 32.01 -01 19 10.0 18.9 c 704
2004-01-31 07:40:13 C 08 57 30.21 -01 19 18.4 18.7 c 704
2004-01-31 07:58:00 C 08 57 28.38 -01 19 27.0 18.2 c 704
2004-02-02 10:26:33 C 08 52 28.16 -01 41 51.3 20.1 c 608
2004-02-02 10:42:13 C 08 52 26.58 -01 41 57.2 19.7 c 608
2004-02-02 10:57:38 C 08 52 25.03 -01 42 04.0 19.4 c 608
2004-02-12 07:25:43 C 08 30 56.77 -02 59 02.4 18.4 c 644
2004-02-12 07:54:32 C 08 30 54.31 -02 59 09.1 18.5 c 644
2004-02-12 08:25:24 C 08 30 51.72 -02 59 16.2 18.3 c 644
2004-02-19 05:38:07 C 08 18 42.30 -03 27 57.8 18.9 c 704
2004-02-19 05:56:33 C 08 18 41.08 -03 28 00.4 19.4 c 704
2004-02-19 06:13:52 C 08 18 39.91 -03 28 02.5 19.3 c 704
2004-02-19 06:30:49 C 08 18 38.73 -03 28 04.4 19.2 c 704
2004-02-19 06:47:45 C 08 18 37.60 -03 28 06.1 19.0 c 704
2006-04-25 03:18:15 C 09 49 01.99 -25 03 22.0 r G96
2006-04-25 03:19:17 C 09 49 01.99 -25 03 20.5 r G96
2006-04-25 03:22:38 C 09 49 01.99 -25 03 18.9 r G96
2006-04-25 03:23:43 C 09 49 01.99 -25 03 19.0 r G96
2006-04-25 03:27:11 C 09 49 02.06 -25 03 17.4 r G96
2006-04-25 03:28:16 C 09 49 02.02 -25 03 16.3 r G96
2006-04-25 03:31:37 C 09 49 02.02 -25 03 14.7 r G96
2006-04-25 03:32:41 C 09 49 02.02 -25 03 14.5 r G96
2010-08-04 11:39:55 C 16 21 30.32 -23 26 01.5 r E12
2010-08-04 11:56:47 C 16 21 30.69 -23 25 26.3 r E12
2010-08-04 12:13:46 C 16 21 31.08 -23 24 50.7 r E12
2010-08-04 12:30:50 C 16 21 31.45 -23 24 14.7 r E12
2010-08-22 03:11:18 C 16 40 12.21 -10 20 53.3 o H21
2010-08-22 03:16:48 C 16 40 12.51 -10 20 44.2 o H21
2010-08-22 03:26:31 C 16 40 13.04 -10 20 28.6 o H21