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
2019-12-09 04:44:24 s 1 -179466.88 2 +149076.07 9290.0 C57
2019-12-09 07:14:24 S 04 38 07.006 +39 41 09.60 V C57
2019-12-09 07:14:24 s 1 -178039.30 9 +137349.10 4860.0 C57
2019-12-09 07:44:24 S 04 38 05.650 +39 40 20.03 V C57
2019-12-09 07:44:24 s 1 -177697.51 5 +134959.31 9820.0 C57
2019-12-09 08:14:24 S 04 38 03.919 +39 39 27.50 V C57
2019-12-09 08:14:24 s 1 -177336.06 1 +132554.57 9150.0 C57
2019-12-09 08:44:24 S 04 38 02.419 +39 38 37.61 V C57
2019-12-09 08:44:24 s 1 -176954.53 8 +130134.79 1820.0 C57
2019-12-09 09:14:24 S 04 38 00.907 +39 37 48.18 V C57
2019-12-09 09:14:24 s 1 -176552.52 1 +127699.90 6790.0 C57
2019-12-09 09:44:24 S 04 37 59.462 +39 36 57.82 V C57
2019-12-09 09:44:24 s 1 -176129.57 6 +125249.84 2940.0 C57
2019-12-09 10:14:24 S 04 37 57.926 +39 36 05.98 V C57
2019-12-09 10:14:24 s 1 -175685.25 0 +122784.54 9170.0 C57
2019-12-09 10:22:19 C 04 38 57.03 +39 32 21.2 V T08
2019-12-09 10:27:08 C 04 38 56.70 +39 32 13.7 V T08
2019-12-09 10:36:28 C 04 38 56.04 +39 31 59.5 V T08
2019-12-09 10:44:24 S 04 37 56.402 +39 35 14.93 V C57
2019-12-09 10:44:24 s 1 -175219.07 9 +120303.94 4290.0 C57
2019-12-09 10:55:54 C 04 38 54.66 +39 31 29.7 V T08
2019-12-09 11:14:24 S 04 37 54.713 +39 34 26.76 V C57
2019-12-09 11:14:24 s 1 -174730.58 1 +117807.98 7110.0 C57
2019-12-09 11:44:24 S 04 37 53.434 +39 33 31.50 V C57
2019-12-09 11:44:24 s 1 -174219.26 0 +115296.59 6360.0 C57
2019-12-09 12:14:24 S 04 37 51.974 +39 32 43.66 V C57
2019-12-09 12:14:24 s 1 -173684.60 2 +112769.72 750.0 C57
2019-12-09 12:44:24 S 04 37 50.602 +39 31 52.68 V C57
2019-12-09 12:44:24 s 1 -173126.07 6 +110227.32 8950.0 C57
2019-12-09 13:14:24 S 04 37 49.150 +39 31 04.19 V C57
2019-12-09 13:14:24 s 1 -172543.13 2 +107669.34 9570.0 C57
2019-12-09 13:44:24 S 04 37 47.705 +39 30 14.08 V C57
2019-12-09 13:44:24 s 1 -171935.20 2 +105095.72 1160.0 C57
2019-12-09 14:14:24 S 04 37 46.322 +39 29 24.04 V C57
2019-12-09 14:14:24 s 1 -171301.69 5 +102506.44 2240.0 C57
2019-12-09 14:44:24 S 04 37 44.923 +39 28 32.81 V C57
2019-12-09 14:44:24 s 1 -170642.00 4 +99901.448 1250.0 C57
2019-12-09 15:14:24 S 04 37 43.488 +39 27 41.58 V C57
2019-12-09 15:14:24 s 1 -169955.49 5 +97280.717 6600.0 C57
2019-12-09 15:44:24 S 04 37 42.151 +39 26 52.01 V C57
2019-12-09 15:44:24 s 1 -169241.51 3 +94644.223 6620.0 C57
2019-12-09 16:14:24 S 04 37 40.733 +39 26 02.40 V C57
2019-12-09 16:14:24 s 1 -168499.38 1 +91991.948 9570.0 C57
2019-12-09 16:44:24 S 04 37 39.413 +39 25 12.04 V C57
2019-12-09 16:44:24 s 1 -167728.39 4 +89323.880 3670.0 C57
2019-12-09 17:14:24 S 04 37 38.026 +39 24 20.02 V C57
2019-12-09 17:14:24 s 1 -166927.82 0 +86640.017 7030.0 C57
2019-12-09 17:44:24 S 04 37 36.722 +39 23 30.48 V C57
2019-12-09 17:44:24 s 1 -166096.90 2 +83940.364 7730.0 C57
2019-12-09 18:14:24 S 04 37 35.347 +39 22 39.72 V C57