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
2019-12-22 01:14:24 s 1 -188166.36 0 +190540.67 9570.0 C57
2019-12-22 01:44:24 S 04 25 32.393 +32 58 08.69 V C57
2019-12-22 01:44:24 s 1 -188161.86 5 +188510.11 4260.0 C57
2019-12-22 02:14:24 S 04 25 31.814 +32 57 32.18 V C57
2019-12-22 02:14:24 s 1 -188144.75 4 +186467.02 4750.0 C57
2019-12-22 02:44:24 S 04 25 31.538 +32 56 57.95 V C57
2019-12-22 02:44:24 s 1 -188114.82 5 +184411.34 630.0 C57
2019-12-22 03:14:24 S 04 25 31.169 +32 56 22.49 V C57
2019-12-22 03:14:24 s 1 -188071.87 5 +182342.99 1440.0 C57
2019-12-22 03:44:24 S 04 25 30.554 +32 55 46.27 V C57
2019-12-22 03:44:24 s 1 -188015.69 0 +180261.91 6740.0 C57
2019-12-22 04:14:24 S 04 25 30.122 +32 55 10.09 V C57
2019-12-22 04:14:24 s 1 -187946.05 7 +178168.05 6060.0 C57
2019-12-22 04:44:24 S 04 25 29.801 +32 54 35.75 V C57
2019-12-22 04:44:24 s 1 -187862.75 1 +176061.32 8920.0 C57
2019-12-22 08:14:24 S 04 25 26.863 +32 50 25.84 V C57
2019-12-22 08:14:24 s 1 -186876.97 2 +160948.44 5340.0 C57
2019-12-22 08:44:24 S 04 25 26.506 +32 49 51.10 V C57
2019-12-22 08:44:24 s 1 -186675.59 9 +158736.38 7760.0 C57
2019-12-22 09:14:24 S 04 25 26.138 +32 49 15.17 V C57
2019-12-22 09:14:24 s 1 -186458.28 1 +156510.85 8800.0 C57
2019-12-22 09:44:24 S 04 25 25.858 +32 48 39.60 V C57
2019-12-22 09:44:24 s 1 -186224.73 0 +154271.77 7840.0 C57
2019-12-22 10:14:24 S 04 25 25.303 +32 48 03.78 V C57
2019-12-22 10:14:24 s 1 -185974.65 0 +152019.08 4240.0 C57
2019-12-22 10:44:24 S 04 25 24.984 +32 47 27.74 V C57
2019-12-22 10:44:24 s 1 -185707.73 7 +149752.71 7320.0 C57
2019-12-22 11:14:24 S 04 25 24.766 +32 46 51.35 V C57
2019-12-22 11:14:24 s 1 -185423.67 6 +147472.58 6400.0 C57
2019-12-22 11:44:24 S 04 25 24.554 +32 46 18.05 V C57
2019-12-22 11:44:24 s 1 -185122.14 7 +145178.64 790.0 C57
2019-12-22 12:44:24 S 04 25 23.412 +32 45 05.87 V C57
2019-12-22 12:44:24 s 1 -184465.34 5 +140549.02 2540.0 C57
2019-12-22 13:14:24 S 04 25 23.249 +32 44 34.19 V C57
2019-12-22 13:14:24 s 1 -184109.38 1 +138213.21 8380.0 C57
2019-12-22 13:44:24 S 04 25 22.846 +32 43 55.42 V C57
2019-12-22 13:44:24 s 1 -183734.56 0 +135863.31 6490.0 C57
2019-12-22 14:14:24 S 04 25 22.514 +32 43 18.66 V C57
2019-12-22 14:14:24 s 1 -183340.51 2 +133499.26 6040.0 C57
2019-12-22 14:44:24 S 04 25 22.306 +32 42 45.79 V C57
2019-12-22 14:44:24 s 1 -182926.85 2 +131120.99 6180.0 C57
2019-12-22 15:14:24 S 04 25 21.941 +32 42 10.37 V C57
2019-12-22 15:14:24 s 1 -182493.18 2 +128728.43 6040.0 C57
2019-12-22 15:44:24 S 04 25 21.636 +32 41 33.18 V C57
2019-12-22 15:44:24 s 1 -182039.09 5 +126321.53 4730.0 C57
2019-12-22 16:14:24 S 04 25 21.276 +32 41 00.35 V C57
2019-12-22 16:14:24 s 1 -181564.17 0 +123900.23 1300.0 C57
2019-12-22 16:44:24 S 04 25 20.998 +32 40 24.20 V C57
2019-12-22 16:44:24 s 1 -181067.97 0 +121464.47 4790.0 C57
2019-12-22 19:14:24 S 04 25 19.733 +32 37 26.36 V C57