IAA RAS IAA Minor Planet Database

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
2021-12-27 11:53:55 S 09 07 35.479 +25 45 08.28 – V C57
2021-12-27 11:53:55 s 1 -171357.94 7 +222072.39 9850.0 – C57
2021-12-27 12:03:55 S 09 07 33.953 +25 44 55.97 – V C57
2021-12-27 12:03:55 s 1 -171511.26 6 +221464.09 9160.0 – C57
2021-12-27 12:13:55 S 09 07 32.916 +25 44 46.39 – V C57
2021-12-27 12:13:55 s 1 -171663.58 4 +220854.50 3800.0 – C57
2021-12-27 12:23:55 S 09 07 31.824 +25 44 39.62 – V C57
2021-12-27 12:23:55 s 1 -171814.89 8 +220243.62 3770.0 – C57
2021-12-27 12:33:55 S 09 07 31.080 +25 44 27.78 – V C57
2021-12-27 12:33:55 s 1 -171965.20 1 +219631.46 9030.0 – C57
2021-12-27 12:43:55 S 09 07 29.494 +25 44 19.50 – V C57
2021-12-27 12:43:55 s 1 -172114.49 0 +219018.01 9560.0 – C57
2021-12-27 13:03:55 S 09 07 27.266 +25 44 01.90 – V C57
2021-12-27 13:03:55 s 1 -172410.00 7 +217787.24 6390.0 – C57
2021-12-27 13:13:55 S 09 07 25.879 +25 43 48.18 – V C57
2021-12-27 13:13:55 s 1 -172556.22 5 +217169.92 2630.0 – C57
2021-12-27 13:23:55 S 09 07 24.470 +25 43 35.08 – V C57
2021-12-27 13:23:55 s 1 -172701.40 9 +216551.30 4070.0 – C57
2021-12-27 14:03:55 S 09 07 19.877 +25 42 54.58 – V C57
2021-12-27 14:03:55 s 1 -173271.72 0 +214063.88 1350.0 – C57
2021-12-27 14:13:55 S 09 07 18.413 +25 42 45.54 – V C57
2021-12-27 14:13:55 s 1 -173411.66 6 +213438.78 8440.0 – C57
2021-12-27 14:23:55 S 09 07 17.441 +25 42 41.44 – V C57
2021-12-27 14:23:55 s 1 -173550.55 0 +212812.37 600.0 – C57
2021-12-27 14:33:55 S 09 07 16.006 +25 42 27.00 – V C57
2021-12-27 14:33:55 s 1 -173688.36 7 +212184.67 7800.0 – C57
2021-12-27 14:43:55 S 09 07 15.168 +25 42 17.28 – V C57
2021-12-27 14:43:55 s 1 -173825.11 2 +211555.66 20.0 – C57
2021-12-27 14:53:55 S 09 07 13.562 +25 42 02.77 – V C57
2021-12-27 14:53:55 s 1 -173960.77 9 +210925.35 7240.0 – C57
2021-12-27 15:03:55 S 09 07 12.370 +25 41 53.05 – V C57
2021-12-27 15:03:55 s 1 -174095.36 4 +210293.73 9440.0 – C57
2021-12-27 15:13:55 S 09 07 11.232 +25 41 51.18 – V C57
2021-12-27 15:13:55 s 1 -174228.86 1 +209660.80 6600.0 – C57
2021-12-27 15:23:55 S 09 07 10.030 +25 41 41.46 – V C57
2021-12-27 15:23:55 s 1 -174361.26 7 +209026.57 8680.0 – C57
2021-12-27 15:43:55 S 09 07 07.445 +25 41 21.70 – V C57
2021-12-27 15:43:55 s 1 -174622.77 9 +207754.17 7560.0 – C57
2021-12-27 16:03:55 S 09 07 05.462 +25 40 54.08 – V C57
2021-12-27 16:03:55 s 1 -174879.85 9 +206476.53 5900.0 – C57
2021-12-27 21:53:53 S 09 06 22.812 +25 35 03.44 – V C57
2021-12-27 21:53:53 s 1 -178614.55 0 +183260.07 780.0 – C57
2021-12-27 22:03:53 S 09 06 21.775 +25 34 52.64 – V C57
2021-12-27 22:03:53 s 1 -178698.68 1 +182572.54 30.0 – C57
2021-12-27 22:13:53 S 09 06 20.479 +25 34 41.38 – V C57
2021-12-27 22:13:53 s 1 -178781.48 0 +181883.66 3150.0 – C57
2021-12-27 22:23:53 S 09 06 19.145 +25 34 30.40 – V C57
2021-12-27 22:23:53 s 1 -178862.94 1 +181193.41 130.0 – C57
2021-12-27 22:33:53 S 09 06 18.142 +25 34 22.12 – V C57
2021-12-27 22:33:53 s 1 -178943.05 6 +180501.81 920.0 – C57