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
2019-12-17 07:02:27 C 04 29 42.55 +35 09 44.1 – V G96
2019-12-17 07:09:54 C 04 29 42.24 +35 09 34.5 – V G96
2019-12-17 07:14:24 S 04 28 58.087 +35 19 08.98 – V C57
2019-12-17 07:14:24 s 1 -35598.786 0 +401130.73 2940.0 – C57
2019-12-17 07:17:20 C 04 29 41.94 +35 09 25.5 – V G96
2019-12-17 07:44:24 S 04 28 56.825 +35 18 29.30 – V C57
2019-12-17 07:44:24 s 1 -36567.942 0 +401149.28 7090.0 – C57
2019-12-17 08:14:24 S 04 28 55.546 +35 17 52.04 – V C57
2019-12-17 08:14:24 s 1 -37536.338 0 +401159.86 300.0 – C57
2019-12-17 08:44:24 S 04 28 54.343 +35 17 14.46 – V C57
2019-12-17 08:44:24 s 1 -38503.954 0 +401162.50 2610.0 – C57
2019-12-17 09:14:24 S 04 28 53.021 +35 16 35.87 – V C57
2019-12-17 09:14:24 s 1 -39470.770 0 +401157.18 4060.0 – C57
2019-12-17 09:44:24 S 04 28 51.722 +35 15 55.69 – V C57
2019-12-17 09:44:24 s 1 -40436.767 0 +401143.93 4690.0 – C57
2019-12-17 10:14:24 S 04 28 50.479 +35 15 20.05 – V C57
2019-12-17 10:14:24 s 1 -41401.925 0 +401122.74 4570.0 – C57
2019-12-17 10:44:24 S 04 28 49.219 +35 14 40.02 – V C57
2019-12-17 10:44:24 s 1 -42366.225 0 +401093.61 3710.0 – C57
2019-12-17 11:14:24 S 04 28 48.019 +35 14 03.62 – V C57
2019-12-17 11:14:24 s 1 -43329.647 0 +401056.56 2180.0 – C57
2019-12-17 11:44:24 S 04 28 46.685 +35 13 24.49 – V C57
2019-12-17 11:44:24 s 1 -44292.173 0 +401011.60 20.0 – C57
2019-12-17 12:14:24 S 04 28 45.422 +35 12 45.97 – V C57
2019-12-17 12:14:24 s 1 -45253.782 0 +400958.71 7260.0 – C57
2019-12-17 12:44:24 S 04 28 44.227 +35 12 08.28 – V C57
2019-12-17 12:44:24 s 1 -46214.455 0 +400897.91 3960.0 – C57
2019-12-17 13:14:24 S 04 28 42.924 +35 11 29.80 – V C57
2019-12-17 13:14:24 s 1 -47174.173 0 +400829.20 160.0 – C57
2019-12-17 13:44:24 S 04 28 41.782 +35 10 51.46 – V C57
2019-12-17 13:44:24 s 1 -48132.916 0 +400752.59 5900.0 – C57
2019-12-17 14:14:24 S 04 28 40.498 +35 10 14.23 – V C57
2019-12-17 14:14:24 s 1 -49090.665 0 +400668.09 1230.0 – C57
2019-12-17 14:44:24 S 04 28 39.240 +35 09 33.88 – V C57
2019-12-17 14:44:24 s 1 -50047.400 0 +400575.68 6180.0 – C57
2019-12-17 15:14:24 S 04 28 38.011 +35 08 55.75 – V C57
2019-12-17 15:14:24 s 1 -51003.103 0 +400475.38 820.0 – C57
2019-12-17 15:44:24 S 04 28 36.922 +35 08 21.55 – V C57
2019-12-17 15:44:24 s 1 -51957.752 0 +400367.20 5170.0 – C57
2019-12-17 16:14:24 S 04 28 35.566 +35 07 38.82 – V C57
2019-12-17 16:14:24 s 1 -52911.330 0 +400251.13 9280.0 – C57
2019-12-17 16:44:24 S 04 28 34.529 +35 07 05.16 – V C57
2019-12-17 16:44:24 s 1 -53863.817 0 +400127.17 3200.0 – C57
2019-12-17 21:14:24 S 04 28 23.688 +35 01 21.50 – V C57
2019-12-17 21:14:24 s 1 -62383.864 0 +398657.33 7060.0 – C57
2019-12-17 21:44:24 S 04 28 22.370 +35 00 42.98 – V C57
2019-12-17 21:44:24 s 1 -63324.362 0 +398454.69 1470.0 – C57
2019-12-17 22:14:24 S 04 28 21.228 +35 00 05.36 – V C57
2019-12-17 22:14:24 s 1 -64263.554 0 +398244.19 6180.0 – C57
2019-12-17 22:44:24 S 04 28 20.033 +34 59 26.84 – V C57