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
2015-03-13 01:31:34 C 10 04 53.06 -28 42 54.2 W84
2015-03-13 01:37:02 C 10 04 52.64 -28 42 52.9 W84
2015-03-13 01:41:16 C 10 04 52.32 -28 42 51.8 W84
2015-03-13 01:44:14 C 10 04 52.11 -28 42 51.5 W84
2015-03-13 01:47:12 C 10 04 51.86 -28 42 50.4 W84
2015-03-13 01:50:09 C 10 04 51.64 -28 42 49.6 W84
2015-03-13 01:53:07 C 10 04 51.41 -28 42 48.9 W84
2015-03-13 01:56:04 C 10 04 51.19 -28 42 48.2 W84
2015-03-13 01:59:03 C 10 04 50.96 -28 42 47.4 W84
2015-03-27 07:26:20 C 09 44 09.757 -26 36 16.47 L F51
2015-03-27 07:42:43 C 09 44 08.982 -26 36 09.06 L F51
2015-03-27 08:15:28 C 09 44 07.401 -26 35 54.09 L F51
2019-06-01 05:14:31 S 16 26 19.990 -63 38 41.06 V C57
2019-06-01 05:14:31 s 1 -201992.92 1 +247837.13 2250.0 C57
2019-06-01 06:14:31 S 16 26 12.300 -63 38 22.49 V C57
2019-06-01 06:14:31 s 1 -202707.53 8 +244597.61 9710.0 C57
2019-06-01 10:14:31 S 16 25 37.726 -63 37 07.32 V C57
2019-06-01 10:14:31 s 1 -205247.84 4 +231260.87 310.0 C57
2019-06-01 12:14:31 S 16 25 21.058 -63 36 29.02 V C57
2019-06-01 12:14:31 s 1 -206317.13 4 +224362.84 5220.0 C57
2019-06-01 12:44:31 S 16 25 17.942 -63 36 21.49 V C57
2019-06-01 12:44:31 s 1 -206562.51 2 +222614.18 5110.0 C57
2019-06-01 13:14:31 S 16 25 13.130 -63 36 06.01 V C57
2019-06-01 13:14:31 s 1 -206798.91 3 +220855.80 7730.0 C57
2019-06-01 14:14:31 S 16 25 04.541 -63 35 46.07 V C57
2019-06-01 14:14:31 s 1 -207244.37 5 +217309.83 9620.0 C57
2019-06-01 14:44:31 S 16 25 00.713 -63 35 40.81 V C57
2019-06-01 14:44:31 s 1 -207453.22 5 +215522.19 8110.0 C57
2019-06-12 04:14:31 S 15 52 18.898 -60 32 29.94 V C57
2019-06-12 04:14:31 s 1 -64601.062 0 +402956.65 8440.0 C57
2019-06-12 13:44:31 S 15 51 17.537 -60 23 35.63 V C57
2019-06-12 13:44:31 s 1 -83181.718 0 +398111.03 2150.0 C57
2019-06-12 20:44:31 S 15 50 32.069 -60 16 52.18 V C57
2019-06-12 20:44:31 s 1 -96484.523 0 +392790.67 4440.0 C57
2019-06-13 01:14:31 S 15 50 04.104 -60 12 36.76 V C57
2019-06-13 01:14:31 s 1 -104833.06 8 +388584.97 1180.0 C57
2019-06-13 02:14:31 S 15 49 57.821 -60 11 47.04 V C57
2019-06-13 02:14:31 s 1 -106664.76 9 +387566.67 380.0 C57
2019-06-13 02:44:31 S 15 49 54.742 -60 11 14.60 V C57
2019-06-13 02:44:31 s 1 -107577.28 1 +387046.09 6440.0 C57
2019-06-13 09:14:31 S 15 49 12.230 -60 05 10.93 V C57
2019-06-13 09:14:31 s 1 -119226.57 3 +379582.92 8600.0 C57
2019-06-13 09:44:31 S 15 49 09.281 -60 04 30.04 V C57
2019-06-13 09:44:31 s 1 -120105.46 2 +378955.16 2130.0 C57
2019-06-15 17:44:31 S 15 43 08.486 -59 08 15.58 V C57
2019-06-15 17:44:31 s 1 -195166.14 3 +257623.64 9800.0 C57
2019-06-16 11:14:31 S 15 41 14.479 -58 49 56.14 V C57
2019-06-16 11:14:31 s 1 -203374.64 8 +196884.86 7530.0 C57
2019-06-16 14:44:31 S 15 40 50.138 -58 46 09.08 V C57
2019-06-16 14:44:31 s 1 -203584.43 7 +183254.58 4310.0 C57