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
2019-12-20 01:14:24 s 1 -149219.01 5 +334892.03 2700.0 C57
2019-12-20 01:44:24 S 04 26 36.746 +33 56 02.15 V C57
2019-12-20 01:44:24 s 1 -149900.01 8 +333845.63 9440.0 C57
2019-12-20 02:14:24 S 04 26 35.525 +33 55 16.46 V C57
2019-12-20 02:14:24 s 1 -150576.99 0 +332790.50 40.0 C57
2019-12-20 03:14:24 S 04 26 33.878 +33 54 08.17 V C57
2019-12-20 03:14:24 s 1 -151918.67 5 +330653.94 2520.0 C57
2019-12-20 03:44:24 S 04 26 33.079 +33 53 33.25 V C57
2019-12-20 03:44:24 s 1 -152583.30 9 +329572.47 4230.0 C57
2019-12-20 04:14:24 S 04 26 32.275 +33 52 57.18 V C57
2019-12-20 04:14:24 s 1 -153243.75 0 +328482.19 9470.0 C57
2019-12-20 04:44:24 S 04 26 31.392 +33 52 18.95 V C57
2019-12-20 04:44:24 s 1 -153899.95 4 +327383.06 8150.0 C57
2019-12-20 05:14:24 S 04 26 30.658 +33 51 43.20 V C57
2019-12-20 05:14:24 s 1 -154551.88 2 +326275.08 200.0 C57
2019-12-20 05:44:24 S 04 26 29.820 +33 51 07.27 V C57
2019-12-20 05:44:24 s 1 -155199.48 9 +325158.21 5510.0 C57
2019-12-20 06:14:24 S 04 26 28.982 +33 50 29.87 V C57
2019-12-20 06:14:24 s 1 -155842.73 4 +324032.43 4000.0 C57
2019-12-20 06:44:24 S 04 26 28.171 +33 49 53.04 V C57
2019-12-20 06:44:24 s 1 -156481.57 2 +322897.73 5590.0 C57
2019-12-20 07:14:24 S 04 26 27.336 +33 49 17.87 V C57
2019-12-20 07:14:24 s 1 -157115.96 0 +321754.08 170.0 C57
2019-12-20 07:44:24 S 04 26 26.554 +33 48 41.04 V C57
2019-12-20 07:44:24 s 1 -157745.85 3 +320601.45 7650.0 C57
2019-12-20 09:14:24 S 04 26 24.214 +33 46 51.53 V C57
2019-12-20 09:14:24 s 1 -159608.10 5 +317089.48 6580.0 C57
2019-12-20 09:44:24 S 04 26 23.333 +33 46 13.12 V C57
2019-12-20 09:44:24 s 1 -160219.55 9 +315900.71 4730.0 C57
2019-12-20 10:14:24 S 04 26 22.613 +33 45 37.58 V C57
2019-12-20 10:14:24 s 1 -160826.28 6 +314702.85 5300.0 C57
2019-12-20 10:20:16 C 04 27 21.58 +33 38 54.6 V T08
2019-12-20 10:25:58 C 04 27 21.40 +33 38 48.0 V T08
2019-12-20 10:35:47 C 04 27 21.09 +33 38 36.5 V T08
2019-12-20 10:44:24 S 04 26 21.835 +33 45 01.33 V C57
2019-12-20 10:44:24 s 1 -161428.23 8 +313495.87 8200.0 C57
2019-12-20 10:52:34 C 04 27 20.56 +33 38 16.6 V T08
2019-12-20 11:14:24 S 04 26 20.923 +33 44 22.88 V C57
2019-12-20 11:14:24 s 1 -162025.36 6 +312279.74 3310.0 C57
2019-12-20 11:44:24 S 04 26 20.254 +33 43 48.40 V C57
2019-12-20 11:44:24 s 1 -162617.62 1 +311054.45 540.0 C57
2019-12-20 12:44:24 S 04 26 18.382 +33 42 32.36 V C57
2019-12-20 12:44:24 s 1 -163787.30 9 +308576.23 940.0 C57
2019-12-20 13:14:24 S 04 26 17.885 +33 41 58.52 V C57
2019-12-20 13:14:24 s 1 -164364.64 0 +307323.25 3900.0 C57
2019-12-20 13:44:24 S 04 26 17.030 +33 41 21.84 V C57
2019-12-20 13:44:24 s 1 -164936.89 3 +306061.00 8550.0 C57
2019-12-20 14:14:24 S 04 26 16.229 +33 40 47.64 V C57
2019-12-20 14:14:24 s 1 -165504.01 6 +304789.44 4780.0 C57
2019-12-20 14:44:24 S 04 26 15.617 +33 40 10.09 V C57