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
2021-12-22 10:33:55 s 1 +54405.203 0 +376968.78 4090.0 – C57
2021-12-22 10:43:55 S 09 20 50.998 +27 40 15.74 – V C57
2021-12-22 10:43:55 s 1 +54059.305 0 +377115.09 950.0 – C57
2021-12-22 11:13:55 S 09 20 48.146 +27 39 49.97 – V C57
2021-12-22 11:13:55 s 1 +53020.738 0 +377548.17 9340.0 – C57
2021-12-22 11:33:55 S 09 20 46.512 +27 39 28.66 – V C57
2021-12-22 11:33:55 s 1 +52327.639 0 +377831.98 9790.0 – C57
2021-12-22 12:13:55 S 09 20 42.770 +27 38 56.11 – V C57
2021-12-22 12:13:55 s 1 +50939.753 0 +378387.86 6500.0 – C57
2021-12-22 12:33:55 S 09 20 40.735 +27 38 35.45 – V C57
2021-12-22 12:33:55 s 1 +50244.980 0 +378659.94 2830.0 – C57
2021-12-22 12:43:55 S 09 20 39.511 +27 38 30.52 – V C57
2021-12-22 12:43:55 s 1 +49897.390 0 +378794.51 5500.0 – C57
2021-12-22 14:33:55 S 09 20 28.361 +27 36 50.29 – V C57
2021-12-22 14:33:55 s 1 +46065.238 0 +380210.35 4550.0 – C57
2021-12-22 14:43:55 S 09 20 27.778 +27 36 37.48 – V C57
2021-12-22 14:43:55 s 1 +45716.099 0 +380333.22 3630.0 – C57
2021-12-22 15:03:55 S 09 20 25.394 +27 36 19.58 – V C57
2021-12-22 15:03:55 s 1 +45017.455 0 +380576.02 970.0 – C57
2021-12-22 16:13:55 S 09 20 19.145 +27 35 21.01 – V C57
2021-12-22 16:13:55 s 1 +42568.449 0 +381395.21 3560.0 – C57
2021-12-22 16:23:55 S 09 20 17.880 +27 35 06.40 – V C57
2021-12-22 16:23:55 s 1 +42218.128 0 +381508.35 100.0 – C57
2021-12-22 16:43:55 S 09 20 16.414 +27 34 52.39 – V C57
2021-12-22 16:43:55 s 1 +41517.148 0 +381731.71 2480.0 – C57
2021-12-22 17:43:55 S 09 20 10.277 +27 33 54.00 – V C57
2021-12-22 17:43:55 s 1 +39411.578 0 +382378.52 4380.0 – C57
2021-12-22 19:03:55 S 09 20 02.652 +27 32 47.80 – V C57
2021-12-22 19:03:55 s 1 +36598.300 0 +383186.67 5880.0 – C57
2021-12-22 19:13:55 S 09 20 01.058 +27 32 34.30 – V C57
2021-12-22 19:13:55 s 1 +36246.192 0 +383283.33 9020.0 – C57
2021-12-22 19:33:55 S 09 19 58.898 +27 32 20.51 – V C57
2021-12-22 19:33:55 s 1 +35541.686 0 +383473.75 4810.0 – C57
2021-12-22 20:03:55 S 09 19 56.455 +27 31 51.28 – V C57
2021-12-22 20:03:55 s 1 +34484.221 0 +383752.14 2350.0 – C57
2021-12-22 20:53:55 S 09 19 51.857 +27 31 12.14 – V C57
2021-12-22 20:53:55 s 1 +32719.956 0 +384196.80 2090.0 – C57
2021-12-22 21:33:55 S 09 19 47.014 +27 30 24.88 – V C57
2021-12-22 21:33:55 s 1 +31306.971 0 +384535.16 7620.0 – C57
2021-12-22 21:43:55 S 09 19 46.522 +27 30 20.52 – V C57
2021-12-22 21:43:55 s 1 +30953.514 0 +384617.34 8730.0 – C57
2021-12-22 21:53:55 S 09 19 45.238 +27 30 11.74 – V C57
2021-12-22 21:53:55 s 1 +30599.975 0 +384698.55 9730.0 – C57
2021-12-22 22:13:55 S 09 19 43.118 +27 29 52.40 – V C57
2021-12-22 22:13:55 s 1 +29892.654 0 +384858.09 1430.0 – C57
2021-12-22 22:23:55 S 09 19 42.727 +27 29 45.92 – V C57
2021-12-22 22:23:55 s 1 +29538.873 0 +384936.41 2140.0 – C57
2021-12-22 23:13:55 S 09 19 37.874 +27 29 04.88 – V C57
2021-12-22 23:13:55 s 1 +27768.810 0 +385313.58 5560.0 – C57
2021-12-23 00:03:55 S 09 19 32.527 +27 28 17.51 – V C57