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
2019-12-15 08:14:24 s 1 +55887.810 0 +362346.79 3610.0 – C57
2019-12-15 08:44:24 S 04 31 09.514 +36 19 03.22 – V C57
2019-12-15 08:44:24 s 1 +54945.207 0 +363167.97 5540.0 – C57
2019-12-15 09:14:24 S 04 31 08.009 +36 18 23.54 – V C57
2019-12-15 09:14:24 s 1 +54001.088 0 +363979.71 1160.0 – C57
2019-12-15 09:44:24 S 04 31 06.427 +36 17 44.59 – V C57
2019-12-15 09:44:24 s 1 +53055.488 0 +364782.03 550.0 – C57
2019-12-15 10:44:24 S 04 31 03.391 +36 16 26.62 – V C57
2019-12-15 10:44:24 s 1 +51159.974 0 +366358.52 1000.0 – C57
2019-12-15 11:14:24 S 04 31 01.750 +36 15 46.94 – V C57
2019-12-15 11:14:24 s 1 +50210.127 0 +367132.75 2210.0 – C57
2019-12-15 11:44:24 S 04 31 00.298 +36 15 08.93 – V C57
2019-12-15 11:44:24 s 1 +49258.929 0 +367897.68 7510.0 – C57
2019-12-15 12:14:24 S 04 30 58.750 +36 14 30.55 – V C57
2019-12-15 12:14:24 s 1 +48306.413 0 +368653.32 6980.0 – C57
2019-12-15 12:44:24 S 04 30 57.197 +36 13 48.86 – V C57
2019-12-15 12:44:24 s 1 +47352.610 0 +369399.71 700.0 – C57
2019-12-15 14:44:24 S 04 30 50.707 +36 11 13.88 – V C57
2019-12-15 14:44:24 s 1 +43525.154 0 +372293.21 9520.0 – C57
2019-12-15 16:44:24 S 04 30 45.062 +36 08 40.20 – V C57
2019-12-15 16:44:24 s 1 +39679.568 0 +375040.63 2140.0 – C57
2019-12-15 17:14:24 S 04 30 43.555 +36 07 59.88 – V C57
2019-12-15 17:14:24 s 1 +38715.561 0 +375704.84 7350.0 – C57
2019-12-15 17:44:24 S 04 30 42.079 +36 07 21.72 – V C57
2019-12-15 17:44:24 s 1 +37750.568 0 +376360.04 7540.0 – C57
2019-12-15 18:14:24 S 04 30 40.519 +36 06 43.74 – V C57
2019-12-15 18:14:24 s 1 +36784.619 0 +377006.25 2750.0 – C57
2019-12-15 18:44:24 S 04 30 39.082 +36 06 03.96 – V C57
2019-12-15 18:44:24 s 1 +35817.740 0 +377643.49 3060.0 – C57
2019-12-15 19:14:24 S 04 30 37.550 +36 05 23.96 – V C57
2019-12-15 19:14:24 s 1 +34849.960 0 +378271.79 8540.0 – C57
2019-12-15 19:44:24 S 04 30 36.161 +36 04 46.85 – V C57
2019-12-15 19:44:24 s 1 +33881.307 0 +378891.16 9260.0 – C57
2019-12-15 20:14:24 S 04 30 34.630 +36 04 07.54 – V C57
2019-12-15 20:14:24 s 1 +32911.809 0 +379501.64 5270.0 – C57
2019-12-15 21:44:24 S 04 30 30.262 +36 02 17.09 – V C57
2019-12-15 21:44:24 s 1 +29998.514 0 +381279.86 5730.0 – C57
2019-12-15 22:14:24 S 04 30 28.721 +36 01 32.59 – V C57
2019-12-15 22:14:24 s 1 +29025.906 0 +381854.94 3580.0 – C57
2019-12-15 22:44:24 S 04 30 27.262 +36 00 54.00 – V C57
2019-12-15 22:44:24 s 1 +28052.588 0 +382421.22 7050.0 – C57
2019-12-15 23:14:24 S 04 30 25.733 +36 00 14.69 – V C57
2019-12-15 23:14:24 s 1 +27078.585 0 +382978.73 6190.0 – C57
2019-12-15 23:44:24 S 04 30 24.262 +35 59 35.59 – V C57
2019-12-15 23:44:24 s 1 +26103.923 0 +383527.47 1080.0 – C57
2019-12-16 00:14:24 S 04 30 22.829 +35 58 57.32 – V C57
2019-12-16 00:14:24 s 1 +25128.630 0 +384067.48 1770.0 – C57
2019-12-16 00:44:24 S 04 30 21.413 +35 58 19.13 – V C57
2019-12-16 00:44:24 s 1 +24152.730 0 +384598.77 8320.0 – C57
2019-12-16 01:14:24 S 04 30 19.930 +35 57 39.53 – V C57