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 19:14:24 s 1 -178251.62 8 +109066.78 60.0 C57
2019-12-22 19:44:24 S 04 25 19.493 +32 36 52.67 V C57
2019-12-22 19:44:24 s 1 -177617.82 3 +106543.13 2950.0 C57
2019-12-22 22:14:24 S 04 25 18.139 +32 33 56.81 V C57
2019-12-22 22:14:24 s 1 -174065.97 4 +93702.164 9110.0 C57
2019-12-22 22:44:24 S 04 25 18.000 +32 33 20.59 V C57
2019-12-22 22:44:24 s 1 -173274.78 8 +91089.257 7110.0 C57
2019-12-22 23:14:24 S 04 25 17.928 +32 32 44.34 V C57
2019-12-22 23:14:24 s 1 -172455.14 3 +88461.414 5950.0 C57
2019-12-22 23:44:24 S 04 25 17.647 +32 32 09.96 V C57
2019-12-22 23:44:24 s 1 -171606.34 0 +85818.638 4020.0 C57
2019-12-23 00:44:24 S 04 25 17.273 +32 31 00.70 V C57
2019-12-23 00:44:24 s 1 -169818.32 6 +80488.335 1230.0 C57
2019-12-23 01:44:24 S 04 25 16.870 +32 29 51.25 V C57
2019-12-23 01:44:24 s 1 -167904.60 1 +75098.541 4760.0 C57
2019-12-23 02:14:24 S 04 25 17.002 +32 29 12.77 V C57
2019-12-23 02:14:24 s 1 -166898.54 5 +72381.445 2950.0 C57
2019-12-23 02:44:24 S 04 25 16.896 +32 28 42.71 V C57
2019-12-23 02:44:24 s 1 -165858.53 5 +69649.633 9440.0 C57
2019-12-23 03:14:24 S 04 25 16.654 +32 28 04.37 V C57
2019-12-23 03:14:24 s 1 -164783.65 9 +66903.188 2130.0 C57
2019-12-23 03:44:24 S 04 25 16.469 +32 27 30.89 V C57
2019-12-23 03:44:24 s 1 -163672.96 8 +64142.206 8830.0 C57
2019-12-23 04:44:24 S 04 25 16.188 +32 26 16.40 V C57
2019-12-23 04:44:24 s 1 -161340.14 7 +58577.118 5050.0 C57
2019-12-23 05:14:24 S 04 25 16.147 +32 25 40.48 V C57
2019-12-23 05:14:24 s 1 -160115.91 9 +55773.305 9700.0 C57
2019-12-23 05:44:24 S 04 25 16.157 +32 25 05.20 V C57
2019-12-23 05:44:24 s 1 -158851.67 2 +52955.549 8620.0 C57
2019-12-23 06:14:24 S 04 25 16.015 +32 24 34.34 V C57
2019-12-23 06:14:24 s 1 -157546.24 4 +50124.058 9090.0 C57
2019-12-23 06:44:24 S 04 25 16.289 +32 24 00.07 V C57
2019-12-23 06:44:24 s 1 -156198.42 3 +47279.069 8290.0 C57
2019-12-23 07:44:24 S 04 25 15.574 +32 22 46.34 V C57
2019-12-23 07:44:24 s 1 -153370.48 4 +41549.720 830.0 C57
2019-12-23 08:44:24 S 04 25 15.799 +32 21 34.96 V C57
2019-12-23 08:44:24 s 1 -150357.06 0 +35770.115 800.0 C57
2019-12-23 09:14:24 S 04 25 15.907 +32 21 02.48 V C57
2019-12-23 09:14:24 s 1 -148777.15 5 +32862.472 6200.0 C57
2019-12-23 09:44:24 S 04 25 15.698 +32 20 26.41 V C57
2019-12-23 09:44:24 s 1 -147146.38 5 +29943.569 300.0 C57
2019-12-23 10:14:24 S 04 25 15.756 +32 19 51.02 V C57
2019-12-23 10:14:24 s 1 -145463.11 0 +27013.957 9150.0 C57
2019-12-23 10:44:24 S 04 25 15.590 +32 19 13.51 V C57
2019-12-23 10:44:24 s 1 -143725.61 6 +24074.249 8660.0 C57
2019-12-23 11:14:24 S 04 25 15.703 +32 18 41.76 V C57
2019-12-23 11:14:24 s 1 -141932.11 3 +21125.128 4500.0 C57
2019-12-23 11:44:24 S 04 25 15.852 +32 18 08.14 V C57
2019-12-23 11:44:24 s 1 -140080.72 9 +18167.361 2160.0 C57
2019-12-23 14:14:24 S 04 25 16.406 +32 15 10.12 V C57