IAA RAS IAA Minor Planet Database

99248 (2001 KY66)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5077035333 ± 6.40e-09
Semi-major axis (a)1.8664342312 AU ± 1.78e-09
Inclination (i)10.61167784° ± 1.60e-06
Long. of Asc. Node (Ω)284.10982964° ± 6.36e-06
Arg. of Perihelion (ω)61.54929256° ± 6.68e-06
Mean Anomaly (M)154.34676223° ± 1.30e-06
Mean Motion (n)0.3865389296°/day ± 5.53e-10
Perihelion dist (q)0.91883898 AU ± 1.20e-08
Aphelion dist (Q)2.81402949 AU ± 1.22e-08
Orbital Period2.54987585 yr ± 3.65e-09
Physical Parameters
H (abs. magnitude)16.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.046263 AU
Observations Used3265
Oppositions21
Arc Total1991-2025
First Observation Used1991-06-08
Last Observation Used2025-03-10
Observations (5287)
Date Type RA Dec Mag Band Observatory
2019-09-16 23:42:41 C 14 12 26.41 +51 15 54.6 – q I15
2019-09-16 23:43:45 C 14 12 26.24 +51 15 59.2 – q I15
2019-09-17 21:44:27 S 14 13 28.644 +52 22 14.41 – V C57
2019-09-17 21:44:27 s 1 -69994.538 0 +380845.21 9470.0 – C57
2019-09-17 22:14:27 S 14 13 23.784 +52 24 07.02 – V C57
2019-09-17 22:14:27 s 1 -71030.534 0 +380644.29 7320.0 – C57
2019-09-17 22:44:27 S 14 13 18.619 +52 26 09.46 – V C57
2019-09-17 22:44:27 s 1 -72064.981 0 +380434.78 4070.0 – C57
2019-09-17 23:14:27 S 14 13 13.896 +52 28 01.52 – V C57
2019-09-17 23:14:27 s 1 -73097.857 0 +380216.68 9670.0 – C57
2019-09-17 23:44:27 S 14 13 08.897 +52 29 55.07 – V C57
2019-09-17 23:44:27 s 1 -74129.137 0 +379989.99 4040.0 – C57
2019-09-18 00:14:27 S 14 13 04.171 +52 31 46.06 – V C57
2019-09-18 00:14:27 s 1 -75158.798 0 +379754.71 7110.0 – C57
2019-09-18 01:14:27 S 14 12 54.221 +52 35 36.38 – V C57
2019-09-18 01:14:27 s 1 -77213.169 0 +379258.41 9090.0 – C57
2019-09-18 01:44:27 S 14 12 48.996 +52 37 36.88 – V C57
2019-09-18 01:44:27 s 1 -78237.832 0 +378997.39 7850.0 – C57
2019-09-18 02:14:27 S 14 12 44.066 +52 39 29.20 – V C57
2019-09-18 02:14:27 s 1 -79260.782 0 +378727.80 5040.0 – C57
2019-09-18 02:44:27 S 14 12 39.130 +52 41 22.42 – V C57
2019-09-18 02:44:27 s 1 -80281.995 0 +378449.64 580.0 – C57
2019-09-18 03:14:27 S 14 12 33.408 +52 43 31.58 – V C57
2019-09-18 03:14:27 s 1 -81301.447 0 +378162.90 4400.0 – C57
2019-09-18 03:44:27 S 14 12 28.675 +52 45 25.38 – V C57
2019-09-18 03:44:27 s 1 -82319.114 0 +377867.61 6440.0 – C57
2019-09-18 04:14:27 S 14 12 23.796 +52 47 12.59 – V C57
2019-09-18 04:14:27 s 1 -83334.973 0 +377563.75 6610.0 – C57
2019-09-18 04:44:27 S 14 12 18.415 +52 49 17.69 – V C57
2019-09-18 04:44:27 s 1 -84348.999 0 +377251.32 4870.0 – C57
2019-09-18 05:14:27 S 14 12 13.416 +52 51 05.94 – V C57
2019-09-18 05:14:27 s 1 -85361.168 0 +376930.34 1120.0 – C57
2019-09-18 05:44:27 S 14 12 08.398 +52 52 59.41 – V C57
2019-09-18 05:44:27 s 1 -86371.457 0 +376600.79 5310.0 – C57
2019-09-18 06:14:27 S 14 12 02.897 +52 55 00.52 – V C57
2019-09-18 06:14:27 s 1 -87379.840 0 +376262.69 7350.0 – C57
2019-09-18 06:44:27 S 14 11 58.140 +52 56 51.47 – V C57
2019-09-18 06:44:27 s 1 -88386.294 0 +375916.04 7190.0 – C57
2019-09-18 07:14:27 S 14 11 52.670 +52 58 47.42 – V C57
2019-09-18 07:14:27 s 1 -89390.795 0 +375560.83 4750.0 – C57
2019-09-18 07:44:27 S 14 11 47.789 +53 00 37.08 – V C57
2019-09-18 07:44:27 s 1 -90393.317 0 +375197.06 9950.0 – C57
2019-09-18 08:14:27 S 14 11 42.684 +53 02 31.45 – V C57
2019-09-18 08:14:27 s 1 -91393.837 0 +374824.74 2730.0 – C57
2019-09-18 08:44:27 S 14 11 36.636 +53 04 43.50 – V C57
2019-09-18 08:44:27 s 1 -92392.329 0 +374443.87 3010.0 – C57
2019-09-18 09:14:27 S 14 11 32.266 +53 06 17.35 – V C57
2019-09-18 09:14:27 s 1 -93388.769 0 +374054.45 720.0 – C57
2019-09-18 09:44:27 S 14 11 26.635 +53 08 20.58 – V C57
2019-09-18 09:44:27 s 1 -94383.132 0 +373656.48 5800.0 – C57