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
2019-05-27 12:44:31 s 1 -15131.317 0 +398927.32 6530.0 C57
2019-05-27 13:14:31 S 16 07 31.104 -40 26 11.76 V C57
2019-05-27 13:14:31 s 1 -16179.353 0 +399139.54 1020.0 C57
2019-05-27 13:44:31 S 16 07 29.172 -40 26 03.98 V C57
2019-05-27 13:44:31 s 1 -17227.079 0 +399343.77 400.0 C57
2019-05-27 14:14:31 S 16 07 26.842 -40 25 58.48 V C57
2019-05-27 14:14:31 s 1 -18274.476 0 +399540.04 4740.0 C57
2019-05-27 14:44:31 S 16 07 24.394 -40 25 52.93 V C57
2019-05-27 14:44:31 s 1 -19321.521 0 +399728.34 4140.0 C57
2019-05-27 15:14:31 S 16 07 21.955 -40 25 49.44 V C57
2019-05-27 15:14:31 s 1 -20368.195 0 +399908.68 8690.0 C57
2019-05-27 18:44:31 S 16 07 06.454 -40 24 54.18 V C57
2019-05-27 18:44:31 s 1 -27682.816 0 +400948.98 1960.0 C57
2019-05-27 19:14:31 S 16 07 03.720 -40 24 44.86 V C57
2019-05-27 19:14:31 s 1 -28725.791 0 +401065.96 820.0 C57
2019-05-27 20:14:31 S 16 06 59.532 -40 24 29.48 V C57
2019-05-27 20:14:31 s 1 -30810.064 0 +401276.26 6400.0 C57
2019-05-27 20:44:31 S 16 06 57.194 -40 24 21.10 V C57
2019-05-27 20:44:31 s 1 -31851.321 0 +401369.59 3300.0 C57
2019-05-27 21:14:31 S 16 06 54.926 -40 24 14.29 V C57
2019-05-27 21:14:31 s 1 -32891.966 0 +401455.06 6380.0 C57
2019-05-27 21:44:31 S 16 06 52.591 -40 24 01.58 V C57
2019-05-27 21:44:31 s 1 -33931.979 0 +401532.67 5730.0 C57
2019-05-27 22:14:31 S 16 06 50.134 -40 23 57.77 V C57
2019-05-27 22:14:31 s 1 -34971.339 0 +401602.42 1430.0 C57
2019-05-27 22:44:31 S 16 06 47.806 -40 23 52.01 V C57
2019-05-27 22:44:31 s 1 -36010.028 0 +401664.32 3560.0 C57
2019-05-27 23:14:31 S 16 06 45.672 -40 23 44.74 V C57
2019-05-27 23:14:31 s 1 -37048.024 0 +401718.38 2210.0 C57
2019-05-27 23:44:31 S 16 06 43.298 -40 23 37.43 V C57
2019-05-27 23:44:31 s 1 -38085.310 0 +401764.60 7470.0 C57
2019-05-28 00:14:31 S 16 06 41.100 -40 23 29.80 V C57
2019-05-28 00:14:31 s 1 -39121.864 0 +401803.00 9410.0 C57
2019-05-28 01:14:31 S 16 06 36.480 -40 23 13.96 V C57
2019-05-28 01:14:31 s 1 -41192.700 0 +401856.31 3680.0 C57
2019-05-28 02:14:31 S 16 06 31.786 -40 22 57.54 V C57
2019-05-28 02:14:31 s 1 -43260.376 0 +401878.37 5680.0 C57
2019-05-28 02:44:31 S 16 06 29.544 -40 22 51.38 V C57
2019-05-28 02:44:31 s 1 -44292.980 0 +401877.69 2280.0 C57
2019-05-28 03:14:31 S 16 06 26.962 -40 22 44.04 V C57
2019-05-28 03:14:31 s 1 -45324.734 0 +401869.21 6070.0 C57
2019-05-28 04:14:31 S 16 06 22.075 -40 22 35.22 V C57
2019-05-28 04:14:31 s 1 -47385.618 0 +401828.88 5500.0 C57
2019-05-28 07:14:31 S 16 06 08.045 -40 21 43.99 V C57
2019-05-28 07:14:31 s 1 -53545.857 0 +401521.17 4590.0 C57
2019-05-28 07:44:31 S 16 06 06.050 -40 21 37.22 V C57
2019-05-28 07:44:31 s 1 -54569.090 0 +401442.70 6650.0 C57
2019-05-28 08:14:31 S 16 06 03.586 -40 21 26.71 V C57
2019-05-28 08:14:31 s 1 -55591.277 0 +401356.47 6690.0 C57
2019-05-28 08:44:31 S 16 06 01.706 -40 21 23.18 V C57