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
2021-12-21 07:13:55 s 1 +108320.61 6 +339398.13 8470.0 C57
2021-12-21 08:03:55 S 09 23 21.014 +28 03 44.57 V C57
2021-12-21 08:03:55 s 1 +106785.13 8 +340952.96 4690.0 C57
2021-12-21 10:13:55 S 09 23 09.653 +28 01 47.89 V C57
2021-12-21 10:13:55 s 1 +102753.46 1 +344871.67 9750.0 C57
2021-12-21 11:53:55 S 09 23 00.233 +28 00 22.28 V C57
2021-12-21 11:53:55 s 1 +99614.972 0 +347765.06 1830.0 C57
2021-12-21 12:13:55 S 09 22 57.972 +28 00 10.30 V C57
2021-12-21 12:13:55 s 1 +98983.535 0 +348331.17 1630.0 C57
2021-12-21 13:13:55 S 09 22 52.498 +27 59 14.06 V C57
2021-12-21 13:13:55 s 1 +97081.946 0 +350004.49 6630.0 C57
2021-12-21 13:23:55 S 09 22 51.595 +27 59 01.97 V C57
2021-12-21 13:23:55 s 1 +96763.968 0 +350279.74 8970.0 C57
2021-12-21 13:43:55 S 09 22 50.263 +27 58 51.92 V C57
2021-12-21 13:43:55 s 1 +96127.125 0 +350827.10 680.0 C57
2021-12-21 14:33:55 S 09 22 45.293 +27 58 06.49 V C57
2021-12-21 14:33:55 s 1 +94529.919 0 +352177.37 8010.0 C57
2021-12-21 16:33:55 S 09 22 34.145 +27 56 15.97 V C57
2021-12-21 16:33:55 s 1 +90667.751 0 +355312.54 2290.0 C57
2021-12-21 19:03:55 S 09 22 19.973 +27 54 01.01 V C57
2021-12-21 19:03:55 s 1 +85785.525 0 +359023.38 7370.0 C57
2021-12-21 19:13:55 S 09 22 19.793 +27 54 01.87 V C57
2021-12-21 19:13:55 s 1 +85457.984 0 +359262.59 8410.0 C57
2021-12-21 20:43:55 S 09 22 10.620 +27 52 44.04 V C57
2021-12-21 20:43:55 s 1 +82499.001 0 +361369.64 2330.0 C57
2021-12-21 21:13:55 S 09 22 08.544 +27 52 05.48 V C57
2021-12-21 21:13:55 s 1 +81508.321 0 +362053.70 9860.0 C57
2021-12-21 21:33:55 S 09 22 06.355 +27 51 50.62 V C57
2021-12-21 21:33:55 s 1 +80846.688 0 +362504.68 1170.0 C57
2021-12-21 21:43:55 S 09 22 05.333 +27 51 45.00 V C57
2021-12-21 21:43:55 s 1 +80515.520 0 +362728.65 730.0 C57
2021-12-21 21:53:55 S 09 22 04.762 +27 51 34.38 V C57
2021-12-21 21:53:55 s 1 +80184.121 0 +362951.60 9560.0 C57
2021-12-21 22:53:55 S 09 21 58.764 +27 50 44.27 V C57
2021-12-21 22:53:55 s 1 +78190.915 0 +364268.11 7570.0 C57
2021-12-21 23:03:55 S 09 21 57.823 +27 50 29.69 V C57
2021-12-21 23:03:55 s 1 +77857.923 0 +364483.99 1460.0 C57
2021-12-21 23:43:55 S 09 21 54.074 +27 49 59.84 V C57
2021-12-21 23:43:55 s 1 +76523.741 0 +365337.46 180.0 C57
2021-12-21 23:53:55 S 09 21 52.771 +27 49 53.26 V C57
2021-12-21 23:53:55 s 1 +76189.648 0 +365548.30 670.0 C57
2021-12-22 00:03:55 S 09 21 52.138 +27 49 40.37 V C57
2021-12-22 00:03:55 s 1 +75855.337 0 +365758.15 510.0 C57
2021-12-22 00:23:55 S 09 21 50.004 +27 49 25.90 V C57
2021-12-22 00:23:55 s 1 +75186.070 0 +366174.81 8210.0 C57
2021-12-22 00:33:55 S 09 21 49.706 +27 49 18.62 V C57
2021-12-22 00:33:55 s 1 +74851.116 0 +366381.64 6080.0 C57
2021-12-22 01:23:55 S 09 21 45.223 +27 48 27.04 V C57
2021-12-22 01:23:55 s 1 +73173.182 0 +367400.73 5880.0 C57
2021-12-22 01:53:55 S 09 21 42.305 +27 48 05.18 V C57