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
2021-12-25 20:03:55 s 1 -113879.86 2 +333190.81 4370.0 – C57
2021-12-25 20:13:55 S 09 12 14.762 +26 24 16.09 – V C57
2021-12-25 20:13:55 s 1 -114182.36 6 +332858.82 8750.0 – C57
2021-12-25 20:23:55 S 09 12 13.678 +26 24 11.84 – V C57
2021-12-25 20:23:55 s 1 -114484.50 6 +332525.77 1290.0 – C57
2021-12-25 20:43:55 S 09 12 10.994 +26 23 45.35 – V C57
2021-12-25 20:43:55 s 1 -115087.68 7 +331856.51 840.0 – C57
2021-12-25 22:33:55 S 09 11 58.032 +26 22 01.88 – V C57
2021-12-25 22:33:55 s 1 -118378.44 8 +328100.02 4020.0 – C57
2021-12-25 23:13:55 S 09 11 53.777 +26 21 24.84 – V C57
2021-12-25 23:13:55 s 1 -119563.59 9 +326702.21 6680.0 – C57
2021-12-25 23:23:55 S 09 11 52.298 +26 21 13.18 – V C57
2021-12-25 23:23:55 s 1 -119858.90 8 +326350.10 4960.0 – C57
2021-12-25 23:33:55 S 09 11 51.552 +26 21 04.75 – V C57
2021-12-25 23:33:55 s 1 -120153.82 2 +325996.92 1250.0 – C57
2021-12-25 23:53:55 S 09 11 49.164 +26 20 44.41 – V C57
2021-12-25 23:53:55 s 1 -120742.45 8 +325287.36 7900.0 – C57
2021-12-26 00:23:55 S 09 11 46.181 +26 20 21.37 – V C57
2021-12-26 00:23:55 s 1 -121622.40 8 +324215.02 2890.0 – C57
2021-12-26 00:33:55 S 09 11 44.635 +26 20 11.83 – V C57
2021-12-26 00:33:55 s 1 -121914.91 6 +323855.43 7200.0 – C57
2021-12-26 00:53:55 S 09 11 42.170 +26 19 50.88 – V C57
2021-12-26 00:53:55 s 1 -122498.71 2 +323133.04 9730.0 – C57
2021-12-26 01:13:55 S 09 11 40.361 +26 19 27.70 – V C57
2021-12-26 01:13:55 s 1 -123080.86 8 +322406.37 4100.0 – C57
2021-12-26 01:53:55 S 09 11 35.616 +26 18 52.63 – V C57
2021-12-26 01:53:55 s 1 -124240.20 2 +320940.13 8110.0 – C57
2021-12-26 02:03:55 S 09 11 34.303 +26 18 38.95 – V C57
2021-12-26 02:03:55 s 1 -124528.98 8 +320570.88 3910.0 – C57
2021-12-26 02:23:55 S 09 11 32.102 +26 18 17.89 – V C57
2021-12-26 02:23:55 s 1 -125105.29 2 +319829.15 9230.0 – C57
2021-12-26 02:53:55 S 09 11 28.500 +26 17 47.94 – V C57
2021-12-26 02:53:55 s 1 -125966.55 1 +318708.46 1370.0 – C57
2021-12-26 03:03:55 S 09 11 27.626 +26 17 40.78 – V C57
2021-12-26 03:03:55 s 1 -126252.77 7 +318332.73 4490.0 – C57
2021-12-26 03:13:55 S 09 11 26.239 +26 17 34.69 – V C57
2021-12-26 03:13:55 s 1 -126538.57 0 +317955.93 5470.0 – C57
2021-12-26 03:23:55 S 09 11 25.498 +26 17 19.61 – V C57
2021-12-26 03:23:55 s 1 -126823.92 9 +317578.04 4310.0 – C57
2021-12-26 03:33:55 S 09 11 24.127 +26 17 10.54 – V C57
2021-12-26 03:33:55 s 1 -127108.85 1 +317199.07 980.0 – C57
2021-12-26 03:43:55 S 09 11 22.831 +26 17 03.80 – V C57
2021-12-26 03:43:55 s 1 -127393.33 4 +316819.01 5490.0 – C57
2021-12-26 03:53:55 S 09 11 21.571 +26 16 55.88 – V C57
2021-12-26 03:53:55 s 1 -127677.37 8 +316437.87 7820.0 – C57
2021-12-26 04:03:55 S 09 11 20.568 +26 16 44.69 – V C57
2021-12-26 04:03:55 s 1 -127960.97 9 +316055.64 7970.0 – C57
2021-12-26 04:13:55 S 09 11 19.524 +26 16 33.67 – V C57
2021-12-26 04:13:55 s 1 -128244.13 7 +315672.33 5940.0 – C57
2021-12-26 04:23:55 S 09 11 18.504 +26 16 25.54 – V C57