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
2019-12-06 07:14:24 S 04 42 57.523 +41 42 21.24 V C57
2019-12-06 07:14:24 s 1 -121301.94 1 +356562.85 9740.0 C57
2019-12-06 07:44:24 S 04 42 55.020 +41 41 30.34 V C57
2019-12-06 07:44:24 s 1 -122084.82 4 +355747.42 850.0 C57
2019-12-06 08:14:24 S 04 42 52.781 +41 40 41.63 V C57
2019-12-06 08:14:24 s 1 -122864.76 7 +354923.40 6750.0 C57
2019-12-06 08:44:24 S 04 42 50.340 +41 39 49.90 V C57
2019-12-06 08:44:24 s 1 -123641.74 0 +354090.78 7350.0 C57
2019-12-06 09:14:24 S 04 42 47.940 +41 38 59.28 V C57
2019-12-06 09:14:24 s 1 -124415.71 1 +353249.55 2580.0 C57
2019-12-06 09:44:24 S 04 42 45.533 +41 38 08.12 V C57
2019-12-06 09:44:24 s 1 -125186.64 9 +352399.68 2380.0 C57
2019-12-06 10:14:24 S 04 42 43.092 +41 37 16.86 V C57
2019-12-06 10:14:24 s 1 -125954.52 0 +351541.16 6660.0 C57
2019-12-06 10:44:24 S 04 42 40.824 +41 36 28.48 V C57
2019-12-06 10:44:24 s 1 -126719.29 3 +350673.97 5350.0 C57
2019-12-06 11:14:24 S 04 42 38.542 +41 35 37.97 V C57
2019-12-06 11:14:24 s 1 -127480.93 4 +349798.10 8370.0 C57
2019-12-06 11:44:24 S 04 42 35.976 +41 34 46.27 V C57
2019-12-06 11:44:24 s 1 -128239.41 2 +348913.53 5650.0 C57
2019-12-06 12:14:24 S 04 42 33.706 +41 33 55.69 V C57
2019-12-06 12:14:24 s 1 -128994.69 2 +348020.24 7100.0 C57
2019-12-06 13:44:24 S 04 42 26.602 +41 31 22.44 V C57
2019-12-06 13:44:24 s 1 -131241.00 8 +345287.88 5730.0 C57
2019-12-06 14:14:24 S 04 42 24.384 +41 30 32.65 V C57
2019-12-06 14:14:24 s 1 -131983.15 7 +344359.54 3090.0 C57
2019-12-06 14:44:24 S 04 42 22.075 +41 29 46.43 V C57
2019-12-06 14:44:24 s 1 -132721.93 6 +343422.38 4220.0 C57
2019-12-06 15:14:24 S 04 42 19.663 +41 28 50.77 V C57
2019-12-06 15:14:24 s 1 -133457.31 1 +342476.40 9050.0 C57
2019-12-06 15:44:24 S 04 42 17.342 +41 28 01.16 V C57
2019-12-06 15:44:24 s 1 -134189.24 3 +341521.57 7480.0 C57
2019-12-06 15:54:25 C 04 43 32.73 +41 15 59.4 q C97
2019-12-06 15:56:36 C 04 43 32.57 +41 15 56.1 q C97
2019-12-06 15:58:47 C 04 43 32.39 +41 15 52.6 q C97
2019-12-06 16:00:58 C 04 43 32.23 +41 15 49.4 q C97
2019-12-06 16:14:24 S 04 42 15.050 +41 27 09.29 V C57
2019-12-06 16:14:24 s 1 -134917.69 8 +340557.87 9430.0 C57
2019-12-06 16:44:24 S 04 42 12.708 +41 26 18.67 V C57
2019-12-06 16:44:24 s 1 -135642.63 9 +339585.28 4820.0 C57
2019-12-06 17:14:24 S 04 42 10.447 +41 25 30.36 V C57
2019-12-06 17:14:24 s 1 -136364.02 9 +338603.79 3550.0 C57
2019-12-06 17:44:24 S 04 42 08.201 +41 24 39.10 V C57
2019-12-06 17:44:24 s 1 -137081.82 9 +337613.36 5550.0 C57
2019-12-06 18:14:24 S 04 42 05.842 +41 23 48.12 V C57
2019-12-06 18:14:24 s 1 -137796.00 3 +336613.99 720.0 C57
2019-12-06 18:44:24 S 04 42 03.552 +41 22 56.60 V C57
2019-12-06 18:44:24 s 1 -138506.51 1 +335605.65 8970.0 C57
2019-12-06 19:14:24 S 04 42 01.250 +41 22 05.74 V C57
2019-12-06 19:14:24 s 1 -139213.31 5 +334588.31 210.0 C57