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
2019-12-07 06:14:24 s 1 -153741.01 8 +309884.75 6400.0 C57
2019-12-07 06:44:24 S 04 41 09.984 +41 02 42.40 V C57
2019-12-07 06:44:24 s 1 -154350.74 6 +308653.97 8720.0 C57
2019-12-07 07:14:24 S 04 41 07.829 +41 01 52.57 V C57
2019-12-07 07:14:24 s 1 -154955.68 1 +307413.59 1480.0 C57
2019-12-07 07:44:24 S 04 41 05.731 +41 01 01.38 V C57
2019-12-07 07:44:24 s 1 -155555.76 7 +306163.58 4560.0 C57
2019-12-07 08:14:24 S 04 41 03.497 +41 00 11.88 V C57
2019-12-07 08:14:24 s 1 -156150.95 2 +304903.90 7840.0 C57
2019-12-07 08:16:16 C 04 42 18.64 +40 49 56.4 q H45
2019-12-07 08:17:59 C 04 42 18.51 +40 49 53.9 q H45
2019-12-07 08:19:54 C 04 42 18.36 +40 49 50.8 q H45
2019-12-07 08:21:01 C 04 42 18.28 +40 49 48.9 q H45
2019-12-07 08:22:18 C 04 42 18.17 +40 49 46.7 q H45
2019-12-07 08:23:23 C 04 42 18.07 +40 49 45.0 q H45
2019-12-07 08:44:24 S 04 41 01.418 +40 59 20.36 V C57
2019-12-07 08:44:24 s 1 -156741.18 0 +303634.53 1180.0 C57
2019-12-07 09:14:24 S 04 40 59.215 +40 58 30.76 V C57
2019-12-07 09:14:24 s 1 -157326.39 7 +302355.43 4470.0 C57
2019-12-07 09:44:24 S 04 40 57.062 +40 57 38.84 V C57
2019-12-07 09:44:24 s 1 -157906.54 4 +301066.58 7550.0 C57
2019-12-07 09:55:01 C 04 42 12.60 +40 47 27.8 V T05
2019-12-07 09:59:42 C 04 42 12.24 +40 47 20.3 V T05
2019-12-07 10:08:28 C 04 42 11.54 +40 47 06.5 V T05
2019-12-07 10:14:24 S 04 40 54.955 +40 56 48.12 V C57
2019-12-07 10:14:24 s 1 -158481.56 7 +299767.94 310.0 C57
2019-12-07 10:25:31 C 04 42 10.19 +40 46 39.5 V T05
2019-12-07 10:44:24 S 04 40 52.769 +40 55 56.78 V C57
2019-12-07 10:44:24 s 1 -159051.40 5 +298459.48 2600.0 C57
2019-12-07 11:14:24 S 04 40 50.676 +40 55 08.00 V C57
2019-12-07 11:14:24 s 1 -159616.00 1 +297141.17 4290.0 C57
2019-12-07 11:44:24 S 04 40 48.588 +40 54 18.29 V C57
2019-12-07 11:44:24 s 1 -160175.29 5 +295812.97 5230.0 C57
2019-12-07 12:14:24 S 04 40 46.469 +40 53 27.46 V C57
2019-12-07 12:14:24 s 1 -160729.22 6 +294474.86 5290.0 C57
2019-12-07 12:44:24 S 04 40 44.340 +40 52 36.80 V C57
2019-12-07 12:44:24 s 1 -161277.73 3 +293126.79 4320.0 C57
2019-12-07 13:14:24 S 04 40 42.278 +40 51 45.79 V C57
2019-12-07 13:14:24 s 1 -161820.75 3 +291768.73 2180.0 C57
2019-12-07 13:44:24 S 04 40 40.145 +40 50 55.14 V C57
2019-12-07 13:44:24 s 1 -162358.22 3 +290400.65 8710.0 C57
2019-12-07 14:14:24 S 04 40 38.112 +40 50 05.21 V C57
2019-12-07 14:14:24 s 1 -162890.07 8 +289022.51 3760.0 C57
2019-12-07 14:44:24 S 04 40 35.928 +40 49 14.95 V C57
2019-12-07 14:44:24 s 1 -163416.25 4 +287634.28 7190.0 C57
2019-12-07 15:14:24 S 04 40 33.888 +40 48 24.91 V C57
2019-12-07 15:14:24 s 1 -163936.68 3 +286235.92 8830.0 C57
2019-12-07 15:44:24 S 04 40 31.771 +40 47 33.04 V C57
2019-12-07 15:44:24 s 1 -164451.29 9 +284827.39 8530.0 C57
2019-12-07 16:14:24 S 04 40 29.743 +40 46 41.81 V C57