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
1992-08-03 05:53:00 19 25 39.11 +13 04 36.1 d 261
1992-08-03 07:12:59 19 25 26.19 +13 10 28.7 d 261
2001-09-09 03:43:13 C 17 34 20.25 +18 57 56.4 17.6 c 704
2001-09-09 04:02:39 C 17 34 21.00 +18 58 23.8 18.1 c 704
2001-09-09 04:22:06 C 17 34 21.74 +18 58 51.4 18.1 c 704
2001-09-09 04:41:35 C 17 34 22.53 +18 59 18.9 17.9 c 704
2001-09-10 02:41:34 C 17 35 20.94 +19 30 39.4 18.0 c 704
2001-09-10 02:42:48 C 17 35 20.77 +19 30 38.7 d 649
2001-09-10 02:47:17 C 17 35 20.97 +19 30 45.1 d 649
2001-09-10 02:51:45 C 17 35 21.13 +19 30 51.3 d 649
2001-09-10 02:52:39 C 17 35 21.35 +19 30 50.7 j 918
2001-09-10 02:56:37 C 17 35 21.54 +19 30 56.4 j 918
2001-09-10 03:01:41 C 17 35 21.71 +19 31 07.6 18.5 c 704
2001-09-10 03:02:44 C 17 35 21.82 +19 31 04.7 j 918
2001-09-10 03:06:13 C 17 35 21.91 +19 31 09.7 j 918
2001-09-10 03:21:48 C 17 35 22.51 +19 31 35.7 18.6 c 704
2001-09-10 03:41:55 C 17 35 23.30 +19 32 03.8 18.6 c 704
2001-09-10 04:02:00 C 17 35 24.12 +19 32 31.6 18.6 c 704
2001-09-10 04:09:29 C 17 35 24.84 +19 32 38.0 c 658
2001-09-10 04:12:25 C 17 35 24.97 +19 32 42.1 c 658
2001-09-10 04:15:19 C 17 35 25.09 +19 32 46.3 c 658
2001-09-10 20:37:33 C 17 36 09.25 +19 55 45.6 938
2001-09-10 21:29:07 C 17 36 11.28 +19 56 56.3 938
2001-09-10 21:48:47 C 17 36 11.98 +19 57 20.3 c 104
2001-09-10 21:52:14 C 17 36 12.12 +19 57 26.1 c 104
2001-09-10 21:54:07 C 17 36 12.23 +19 57 27.5 c 104
2001-09-10 21:55:30 C 17 36 12.29 +19 57 29.7 c 104
2001-09-10 22:30:10 C 17 36 13.85 +19 58 20.9 938
2001-09-11 02:46:10 C 17 36 26.07 +20 04 20.0 17.7 c 704
2001-09-11 03:07:42 C 17 36 26.93 +20 04 49.6 17.5 c 704
2001-09-11 03:08:14 C 17 36 27.01 +20 04 49.7 719
2001-09-11 03:28:56 C 17 36 27.81 +20 05 18.7 18.3 c 704
2001-09-11 03:42:29 C 17 36 28.23 +20 05 35.9 719
2001-09-11 03:50:55 C 17 36 28.69 +20 05 48.6 18.2 c 704
2001-09-11 03:53:54 C 17 36 29.29 +20 05 48.7 c 658
2001-09-11 04:13:03 C 17 36 29.51 +20 06 19.3 19.4 c 704
2001-09-11 04:21:33 C 17 36 30.43 +20 06 26.6 c 658
2001-09-11 04:26:04 C 17 36 30.63 +20 06 32.7 c 658
2001-09-11 18:54:57 C 17 37 10.95 +20 26 28.1 c 118
2001-09-11 18:56:26 C 17 37 10.96 +20 26 30.4 c 118
2001-09-11 18:59:23 C 17 37 11.11 +20 26 34.5 c 118
2001-09-11 19:00:52 C 17 37 11.18 +20 26 36.3 c 118
2001-09-11 20:42:08 C 17 37 15.60 +20 28 56.9 c 104
2001-09-11 20:48:22 C 17 37 15.84 +20 29 04.9 c 104
2001-09-11 20:49:39 C 17 37 15.90 +20 29 06.0 c 104
2001-09-12 02:13:30 C 17 37 31.25 +20 36 31.0 d 850
2001-09-12 02:32:59 C 17 37 32.08 +20 36 56.8 d 850
2001-09-12 02:40:29 C 17 37 32.84 +20 37 10.4 17.9 c 704
2001-09-12 02:40:37 C 17 37 32.82 +20 37 10.0 18.0 c 704
2001-09-12 02:57:59 C 17 37 33.25 +20 37 31.3 d 850