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
2021-12-24 13:03:55 s 1 -52764.761 0 +377227.64 80.0 C57
2021-12-24 13:23:55 S 09 15 39.883 +26 53 46.64 V C57
2021-12-24 13:23:55 s 1 -53459.459 0 +376936.57 9170.0 C57
2021-12-24 13:43:55 S 09 15 37.440 +26 53 29.44 V C57
2021-12-24 13:43:55 s 1 -54153.606 0 +376641.61 4910.0 C57
2021-12-24 13:53:55 S 09 15 36.319 +26 53 16.69 V C57
2021-12-24 13:53:55 s 1 -54500.470 0 +376492.68 6520.0 C57
2021-12-24 14:13:55 S 09 15 34.159 +26 53 00.74 V C57
2021-12-24 14:13:55 s 1 -55193.776 0 +376191.89 7170.0 C57
2021-12-24 14:33:55 S 09 15 31.685 +26 52 39.04 V C57
2021-12-24 14:33:55 s 1 -55886.512 0 +375887.22 4380.0 C57
2021-12-24 15:03:55 S 09 15 29.110 +26 52 12.76 V C57
2021-12-24 15:03:55 s 1 -56924.527 0 +375422.92 3680.0 C57
2021-12-24 15:43:55 S 09 15 24.802 +26 51 38.56 V C57
2021-12-24 15:43:55 s 1 -58306.473 0 +374790.22 7050.0 C57
2021-12-24 15:53:55 S 09 15 23.558 +26 51 29.38 V C57
2021-12-24 15:53:55 s 1 -58651.582 0 +374629.61 8160.0 C57
2021-12-24 16:03:55 S 09 15 22.850 +26 51 16.52 V C57
2021-12-24 16:03:55 s 1 -58996.539 0 +374468.02 8360.0 C57
2021-12-24 16:33:55 S 09 15 19.380 +26 50 46.68 V C57
2021-12-24 16:33:55 s 1 -60030.481 0 +373977.41 3500.0 C57
2021-12-24 16:43:55 S 09 15 18.415 +26 50 37.36 V C57
2021-12-24 16:43:55 s 1 -60374.816 0 +373811.93 40.0 C57
2021-12-24 17:23:55 S 09 15 13.615 +26 50 00.17 V C57
2021-12-24 17:23:55 s 1 -61750.564 0 +373140.21 6900.0 C57
2021-12-24 17:33:55 S 09 15 12.552 +26 49 51.96 V C57
2021-12-24 17:33:55 s 1 -62094.098 0 +372969.84 8770.0 C57
2021-12-24 17:43:55 S 09 15 11.486 +26 49 44.72 V C57
2021-12-24 17:43:55 s 1 -62437.469 0 +372798.49 9680.0 C57
2021-12-24 18:03:55 S 09 15 09.382 +26 49 22.58 V C57
2021-12-24 18:03:55 s 1 -63123.717 0 +372452.86 8650.0 C57
2021-12-24 18:23:55 S 09 15 07.502 +26 49 06.78 V C57
2021-12-24 18:23:55 s 1 -63809.300 0 +372103.31 3770.0 C57
2021-12-24 19:23:55 S 09 15 00.761 +26 48 09.36 V C57
2021-12-24 19:23:55 s 1 -65861.970 0 +371031.17 5640.0 C57
2021-12-24 20:23:55 S 09 14 53.897 +26 47 06.00 V C57
2021-12-24 20:23:55 s 1 -67908.347 0 +369923.70 1530.0 C57
2021-12-24 20:33:55 S 09 14 52.944 +26 47 04.34 V C57
2021-12-24 20:33:55 s 1 -68248.782 0 +369735.69 5610.0 C57
2021-12-24 21:13:55 S 09 14 48.888 +26 46 21.47 V C57
2021-12-24 21:13:55 s 1 -69608.686 0 +368973.79 1550.0 C57
2021-12-24 21:23:55 S 09 14 47.839 +26 46 16.39 V C57
2021-12-24 21:23:55 s 1 -69948.199 0 +368780.85 410.0 C57
2021-12-24 21:33:55 S 09 14 46.634 +26 46 05.48 V C57
2021-12-24 21:33:55 s 1 -70287.523 0 +368586.93 8220.0 C57
2021-12-24 21:43:55 S 09 14 45.617 +26 45 55.44 V C57
2021-12-24 21:43:55 s 1 -70626.659 0 +368392.02 4970.0 C57
2021-12-24 21:53:55 S 09 14 44.462 +26 45 45.58 V C57
2021-12-24 21:53:55 s 1 -70965.605 0 +368196.13 660.0 C57
2021-12-24 22:03:55 S 09 14 43.126 +26 45 39.71 V C57