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
2019-12-05 18:14:24 S 04 44 01.375 +42 04 19.49 V C57
2019-12-05 18:14:24 s 1 -100010.94 5 +374796.13 5200.0 C57
2019-12-05 18:44:24 S 04 43 58.920 +42 03 28.62 V C57
2019-12-05 18:44:24 s 1 -100860.17 6 +374199.20 8160.0 C57
2019-12-05 19:14:24 S 04 43 56.482 +42 02 38.69 V C57
2019-12-05 19:14:24 s 1 -101707.18 9 +373594.01 7620.0 C57
2019-12-05 19:44:24 S 04 43 53.844 +42 01 47.06 V C57
2019-12-05 19:44:24 s 1 -102551.95 9 +372980.55 3510.0 C57
2019-12-05 20:14:24 S 04 43 51.422 +42 00 57.56 V C57
2019-12-05 20:14:24 s 1 -103394.46 0 +372358.81 5770.0 C57
2019-12-05 20:44:24 S 04 43 48.970 +42 00 06.70 V C57
2019-12-05 20:44:24 s 1 -104234.66 8 +371728.79 4350.0 C57
2019-12-05 21:14:24 S 04 43 46.380 +41 59 14.39 V C57
2019-12-05 21:14:24 s 1 -105072.55 6 +371090.46 9170.0 C57
2019-12-05 21:44:24 S 04 43 43.838 +41 58 23.88 V C57
2019-12-05 21:44:24 s 1 -105908.10 0 +370443.82 170.0 C57
2019-12-05 22:14:24 S 04 43 41.542 +41 57 34.60 V C57
2019-12-05 22:14:24 s 1 -106741.27 1 +369788.86 7310.0 C57
2019-12-05 22:44:24 S 04 43 38.902 +41 56 43.62 V C57
2019-12-05 22:44:24 s 1 -107572.04 6 +369125.56 500.0 C57
2019-12-05 23:14:24 S 04 43 36.482 +41 55 53.29 V C57
2019-12-05 23:14:24 s 1 -108400.39 7 +368453.93 9700.0 C57
2019-12-05 23:44:24 S 04 43 34.051 +41 55 01.85 V C57
2019-12-05 23:44:24 s 1 -109226.29 7 +367773.93 4840.0 C57
2019-12-06 00:14:24 S 04 43 31.502 +41 54 11.20 V C57
2019-12-06 00:14:24 s 1 -110049.71 9 +367085.57 5840.0 C57
2019-12-06 00:44:24 S 04 43 29.038 +41 53 20.44 V C57
2019-12-06 00:44:24 s 1 -110870.63 8 +366388.83 2660.0 C57
2019-12-06 01:14:24 S 04 43 26.647 +41 52 28.81 V C57
2019-12-06 01:14:24 s 1 -111689.02 4 +365683.70 5220.0 C57
2019-12-06 01:44:24 S 04 43 24.194 +41 51 40.36 V C57
2019-12-06 01:44:24 s 1 -112504.85 2 +364970.16 3460.0 C57
2019-12-06 02:14:24 S 04 43 21.684 +41 50 48.91 V C57
2019-12-06 02:14:24 s 1 -113318.09 2 +364248.21 7310.0 C57
2019-12-06 02:44:24 S 04 43 19.306 +41 49 58.19 V C57
2019-12-06 02:44:24 s 1 -114128.71 8 +363517.83 6710.0 C57
2019-12-06 03:14:24 S 04 43 16.853 +41 49 07.32 V C57
2019-12-06 03:14:24 s 1 -114936.70 1 +362779.01 1590.0 C57
2019-12-06 03:44:24 S 04 43 14.388 +41 48 16.24 V C57
2019-12-06 03:44:24 s 1 -115742.01 2 +362031.73 1880.0 C57
2019-12-06 04:14:24 S 04 43 12.000 +41 47 25.58 V C57
2019-12-06 04:14:24 s 1 -116544.62 2 +361275.98 7520.0 C57
2019-12-06 04:44:24 S 04 43 09.521 +41 46 35.72 V C57
2019-12-06 04:44:24 s 1 -117344.50 4 +360511.75 8440.0 C57
2019-12-06 05:14:24 S 04 43 07.130 +41 45 45.61 V C57
2019-12-06 05:14:24 s 1 -118141.62 7 +359739.02 4560.0 C57
2019-12-06 05:44:24 S 04 43 04.711 +41 44 54.60 V C57
2019-12-06 05:44:24 s 1 -118935.96 2 +358957.78 5830.0 C57
2019-12-06 06:14:24 S 04 43 02.302 +41 44 03.08 V C57
2019-12-06 06:14:24 s 1 -119727.47 9 +358168.02 2160.0 C57