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
2021-12-26 09:53:55 s 1 -137593.85 0 +301987.57 3230.0 C57
2021-12-26 10:03:55 S 09 10 38.935 +26 10 46.67 V C57
2021-12-26 10:03:55 s 1 -137860.26 2 +301565.72 9160.0 C57
2021-12-26 10:23:55 S 09 10 36.523 +26 10 31.91 V C57
2021-12-26 10:23:55 s 1 -138391.54 0 +300718.67 3470.0 C57
2021-12-26 10:53:55 S 09 10 32.878 +26 10 02.39 V C57
2021-12-26 10:53:55 s 1 -139184.55 9 +299439.72 990.0 C57
2021-12-26 11:13:55 S 09 10 30.535 +26 09 39.35 V C57
2021-12-26 11:13:55 s 1 -139710.61 4 +298581.48 9920.0 C57
2021-12-26 11:33:55 S 09 10 28.591 +26 09 26.60 V C57
2021-12-26 11:33:55 s 1 -140234.55 1 +297718.75 8560.0 C57
2021-12-26 11:43:55 S 09 10 27.418 +26 09 13.21 V C57
2021-12-26 11:43:55 s 1 -140495.71 9 +297285.70 9000.0 C57
2021-12-26 11:53:55 S 09 10 25.920 +26 09 07.42 V C57
2021-12-26 11:53:55 s 1 -140756.35 1 +296851.53 6830.0 C57
2021-12-26 12:43:55 S 09 10 20.616 +26 08 18.24 V C57
2021-12-26 12:43:55 s 1 -142051.38 8 +294663.74 6640.0 C57
2021-12-26 12:53:55 S 09 10 19.385 +26 08 00.78 V C57
2021-12-26 12:53:55 s 1 -142308.75 5 +294222.80 8650.0 C57
2021-12-26 13:03:55 S 09 10 18.094 +26 07 53.58 V C57
2021-12-26 13:03:55 s 1 -142565.57 0 +293780.72 8000.0 C57
2021-12-26 13:13:55 S 09 10 16.915 +26 07 45.70 V C57
2021-12-26 13:13:55 s 1 -142821.83 1 +293337.51 4660.0 C57
2021-12-26 13:23:55 S 09 10 15.382 +26 07 35.90 V C57
2021-12-26 13:23:55 s 1 -143077.53 5 +292893.17 8640.0 C57
2021-12-26 13:33:55 S 09 10 14.340 +26 07 26.15 V C57
2021-12-26 13:33:55 s 1 -143332.68 1 +292447.69 9910.0 C57
2021-12-26 13:53:55 S 09 10 12.055 +26 07 02.89 V C57
2021-12-26 13:53:55 s 1 -143841.28 6 +291553.33 4300.0 C57
2021-12-26 14:03:55 S 09 10 10.975 +26 06 56.48 V C57
2021-12-26 14:03:55 s 1 -144094.74 1 +291104.44 7410.0 C57
2021-12-26 14:13:55 S 09 10 09.528 +26 06 42.91 V C57
2021-12-26 14:13:55 s 1 -144347.62 8 +290654.42 7770.0 C57
2021-12-26 14:23:55 S 09 10 08.582 +26 06 32.00 V C57
2021-12-26 14:23:55 s 1 -144599.94 5 +290203.26 5380.0 C57
2021-12-26 14:33:55 S 09 10 07.577 +26 06 30.96 V C57
2021-12-26 14:33:55 s 1 -144851.68 9 +289750.95 220.0 C57
2021-12-26 15:13:55 S 09 10 02.563 +26 05 44.27 V C57
2021-12-26 15:13:55 s 1 -145852.88 8 +287930.32 1740.0 C57
2021-12-26 15:33:55 S 09 10 00.593 +26 05 29.15 V C57
2021-12-26 15:33:55 s 1 -146349.98 9 +287013.14 640.0 C57
2021-12-26 16:13:55 S 09 09 55.846 +26 04 48.94 V C57
2021-12-26 16:13:55 s 1 -147337.09 6 +285165.01 4300.0 C57
2021-12-26 16:23:55 S 09 09 54.478 +26 04 32.99 V C57
2021-12-26 16:23:55 s 1 -147582.38 0 +284700.10 8030.0 C57
2021-12-26 16:33:55 S 09 09 53.302 +26 04 28.27 V C57
2021-12-26 16:33:55 s 1 -147827.06 3 +284234.05 8870.0 C57
2021-12-26 17:03:55 S 09 09 49.498 +26 03 52.85 V C57
2021-12-26 17:03:55 s 1 -148557.47 4 +282828.95 3930.0 C57
2021-12-26 17:13:55 S 09 09 48.288 +26 03 41.98 V C57