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
2021-12-24 22:03:55 s 1 -71304.360 0 +367999.25 5270.0 – C57
2021-12-24 22:13:55 S 09 14 42.072 +26 45 26.42 – V C57
2021-12-24 22:13:55 s 1 -71642.922 0 +367801.39 8810.0 – C57
2021-12-24 22:33:55 S 09 14 39.826 +26 45 08.42 – V C57
2021-12-24 22:33:55 s 1 -72319.467 0 +367402.70 2640.0 – C57
2021-12-24 22:43:55 S 09 14 38.894 +26 44 57.05 – V C57
2021-12-24 22:43:55 s 1 -72657.447 0 +367201.88 2920.0 – C57
2021-12-24 23:03:55 S 09 14 36.216 +26 44 34.76 – V C57
2021-12-24 23:03:55 s 1 -73332.816 0 +366797.26 200.0 – C57
2021-12-24 23:23:55 S 09 14 34.202 +26 44 17.52 – V C57
2021-12-24 23:23:55 s 1 -74007.390 0 +366388.69 3060.0 – C57
2021-12-24 23:33:55 S 09 14 32.993 +26 44 09.53 – V C57
2021-12-24 23:33:55 s 1 -74344.376 0 +366182.92 7820.0 – C57
2021-12-24 23:53:55 S 09 14 30.746 +26 43 48.40 – V C57
2021-12-24 23:53:55 s 1 -75017.741 0 +365768.42 3970.0 – C57
2021-12-25 00:03:55 S 09 14 29.854 +26 43 43.50 – V C57
2021-12-25 00:03:55 s 1 -75354.117 0 +365559.68 5360.0 – C57
2021-12-25 00:13:55 S 09 14 29.004 +26 43 32.23 – V C57
2021-12-25 00:13:55 s 1 -75690.289 0 +365349.95 5610.0 – C57
2021-12-25 00:23:55 S 09 14 27.461 +26 43 20.35 – V C57
2021-12-25 00:23:55 s 1 -76026.253 0 +365139.23 4730.0 – C57
2021-12-25 00:33:55 S 09 14 26.345 +26 43 09.34 – V C57
2021-12-25 00:33:55 s 1 -76362.010 0 +364927.52 2700.0 – C57
2021-12-25 00:43:55 S 09 14 25.682 +26 43 08.15 – V C57
2021-12-25 00:43:55 s 1 -76697.558 0 +364714.81 9520.0 – C57
2021-12-25 00:53:55 S 09 14 24.434 +26 42 55.51 – V C57
2021-12-25 00:53:55 s 1 -77032.896 0 +364501.12 5190.0 – C57
2021-12-25 01:03:55 S 09 14 23.270 +26 42 41.26 – V C57
2021-12-25 01:03:55 s 1 -77368.023 0 +364286.43 9700.0 – C57
2021-12-25 01:23:55 S 09 14 21.043 +26 42 25.85 – V C57
2021-12-25 01:23:55 s 1 -78037.640 0 +363854.07 5220.0 – C57
2021-12-25 01:43:55 S 09 14 18.605 +26 42 06.23 – V C57
2021-12-25 01:43:55 s 1 -78706.398 0 +363417.74 6040.0 – C57
2021-12-25 01:53:55 S 09 14 17.911 +26 41 55.79 – V C57
2021-12-25 01:53:55 s 1 -79040.452 0 +363198.08 4680.0 – C57
2021-12-25 02:13:55 S 09 14 15.348 +26 41 37.10 – V C57
2021-12-25 02:13:55 s 1 -79707.906 0 +362755.78 8390.0 – C57
2021-12-25 02:23:55 S 09 14 13.954 +26 41 27.28 – V C57
2021-12-25 02:23:55 s 1 -80041.303 0 +362533.14 3440.0 – C57
2021-12-25 02:33:55 S 09 14 13.481 +26 41 23.14 – V C57
2021-12-25 02:33:55 s 1 -80374.479 0 +362309.50 7300.0 – C57
2021-12-25 02:43:55 S 09 14 12.173 +26 41 14.03 – V C57
2021-12-25 02:43:55 s 1 -80707.432 0 +362084.86 9940.0 – C57
2021-12-25 05:33:55 S 09 13 53.722 +26 38 28.00 – V C57
2021-12-25 05:33:55 s 1 -86332.444 0 +358113.13 4810.0 – C57
2021-12-25 05:53:55 S 09 13 51.264 +26 38 06.72 – V C57
2021-12-25 05:53:55 s 1 -86989.690 0 +357626.83 3480.0 – C57
2021-12-25 06:23:55 S 09 13 47.431 +26 37 36.59 – V C57
2021-12-25 06:23:55 s 1 -87973.707 0 +356889.84 1600.0 – C57
2021-12-25 07:03:55 S 09 13 43.145 +26 36 58.39 – V C57