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
2019-05-30 02:44:31 s 1 -136500.59 0 +365767.60 5140.0 C57
2019-05-30 03:14:31 S 16 02 32.779 -40 09 54.43 V C57
2019-05-30 03:14:31 s 1 -137354.85 3 +365014.09 2100.0 C57
2019-05-30 03:44:31 S 16 02 30.170 -40 09 46.66 V C57
2019-05-30 03:44:31 s 1 -138206.14 4 +364252.65 3670.0 C57
2019-05-30 06:44:31 S 16 02 14.825 -40 08 54.96 V C57
2019-05-30 06:44:31 s 1 -143249.89 5 +359517.25 4300.0 C57
2019-05-30 07:14:31 S 16 02 12.185 -40 08 47.26 V C57
2019-05-30 07:14:31 s 1 -144079.59 1 +358700.15 5310.0 C57
2019-05-30 07:44:31 S 16 02 09.602 -40 08 38.47 V C57
2019-05-30 07:44:31 s 1 -144906.08 8 +357875.06 110.0 C57
2019-05-30 08:14:31 S 16 02 06.972 -40 08 30.12 V C57
2019-05-30 08:14:31 s 1 -145729.35 7 +357041.98 8590.0 C57
2019-05-30 08:44:31 S 16 02 04.375 -40 08 20.94 V C57
2019-05-30 08:44:31 s 1 -146549.36 8 +356200.89 650.0 C57
2019-05-30 09:14:31 S 16 02 01.867 -40 08 12.66 V C57
2019-05-30 09:14:31 s 1 -147366.09 1 +355351.80 6170.0 C57
2019-05-30 09:44:31 S 16 01 59.330 -40 08 02.65 V C57
2019-05-30 09:44:31 s 1 -148179.49 7 +354494.68 5050.0 C57
2019-05-30 10:14:31 S 16 01 56.563 -40 07 54.62 V C57
2019-05-30 10:14:31 s 1 -148989.55 5 +353629.53 7190.0 C57
2019-05-30 10:44:31 S 16 01 54.065 -40 07 45.84 V C57
2019-05-30 10:44:31 s 1 -149796.23 4 +352756.35 2450.0 C57
2019-05-30 11:14:31 S 16 01 51.410 -40 07 37.02 V C57
2019-05-30 11:14:31 s 1 -150599.50 5 +351875.12 750.0 C57
2019-05-30 11:44:31 S 16 01 48.746 -40 07 29.89 V C57
2019-05-30 11:44:31 s 1 -151399.33 7 +350985.83 1960.0 C57
2019-05-30 12:14:31 S 16 01 46.318 -40 07 20.17 V C57
2019-05-30 12:14:31 s 1 -152195.69 7 +350088.47 5980.0 C57
2019-05-30 12:44:31 S 16 01 43.382 -40 07 10.42 V C57
2019-05-30 12:44:31 s 1 -152988.55 4 +349183.03 2680.0 C57
2019-05-30 13:14:31 S 16 01 41.136 -40 07 03.43 V C57
2019-05-30 13:14:31 s 1 -153777.87 8 +348269.51 1960.0 C57
2019-05-30 13:44:31 S 16 01 38.359 -40 06 53.89 V C57
2019-05-30 13:44:31 s 1 -154563.63 5 +347347.89 3690.0 C57
2019-05-30 14:14:31 S 16 01 35.618 -40 06 46.58 V C57
2019-05-30 14:14:31 s 1 -155345.79 4 +346418.17 7770.0 C57
2019-05-30 14:44:31 S 16 01 32.938 -40 06 36.97 V C57
2019-05-30 14:44:31 s 1 -156124.32 2 +345480.32 4070.0 C57
2019-05-30 15:14:31 S 16 01 30.509 -40 06 29.30 V C57
2019-05-30 15:14:31 s 1 -156899.18 7 +344534.35 2470.0 C57
2019-05-30 15:44:31 S 16 01 27.866 -40 06 20.12 V C57
2019-05-30 15:44:31 s 1 -157670.35 4 +343580.24 2860.0 C57
2019-05-30 16:14:31 S 16 01 25.126 -40 06 10.55 V C57
2019-05-30 16:14:31 s 1 -158437.79 1 +342617.98 5120.0 C57
2019-05-30 16:44:31 S 16 01 22.548 -40 06 02.70 V C57
2019-05-30 16:44:31 s 1 -159201.46 4 +341647.56 9110.0 C57
2019-05-30 17:14:31 S 16 01 19.896 -40 05 54.64 V C57
2019-05-30 17:14:31 s 1 -159961.33 8 +340668.97 4730.0 C57
2019-05-30 17:44:31 S 16 01 17.222 -40 05 46.39 V C57