IAA RAS IAA Minor Planet Database

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
2019-06-08 19:14:31 s 1 +99040.054 0 +327565.62 1550.0 – C57
2019-06-08 19:44:31 S 15 39 31.375 -38 15 49.32 – V C57
2019-06-08 19:44:31 s 1 +98120.526 0 +328737.15 5670.0 – C57
2019-06-08 20:44:31 S 15 39 26.110 -38 15 06.08 – V C57
2019-06-08 20:44:31 s 1 +96272.729 0 +331050.36 4280.0 – C57
2019-06-08 21:14:31 S 15 39 23.486 -38 14 44.09 – V C57
2019-06-08 21:14:31 s 1 +95344.556 0 +332192.11 9210.0 – C57
2019-06-09 06:14:31 S 15 38 36.482 -38 08 07.22 – V C57
2019-06-09 06:14:31 s 1 +78204.276 0 +351085.87 50.0 – C57
2019-06-09 08:07:09 C 15 37 48.40 -38 15 22.9 – V T08
2019-06-09 08:11:48 C 15 37 47.89 -38 15 19.8 – V T08
2019-06-09 08:20:26 C 15 37 46.97 -38 15 13.6 – V T08
2019-06-09 08:49:19 C 15 37 43.88 -38 14 53.5 – V T08
2019-06-09 10:14:31 S 15 38 15.643 -38 05 11.69 – V C57
2019-06-09 10:14:31 s 1 +70361.807 0 +358501.39 1790.0 – C57
2019-06-09 10:44:31 S 15 38 13.092 -38 04 49.62 – V C57
2019-06-09 10:44:31 s 1 +69373.335 0 +359386.91 2200.0 – C57
2019-06-09 11:14:31 S 15 38 10.622 -38 04 27.37 – V C57
2019-06-09 11:14:31 s 1 +68383.168 0 +360263.32 8180.0 – C57
2019-06-09 11:44:31 S 15 38 08.306 -38 04 07.03 – V C57
2019-06-09 11:44:31 s 1 +67391.341 0 +361130.63 9880.0 – C57
2019-06-09 16:14:31 S 15 37 44.470 -38 00 46.87 – V C57
2019-06-09 16:14:31 s 1 +58395.687 0 +368530.84 7760.0 – C57
2019-06-09 16:44:31 S 15 37 41.851 -38 00 25.67 – V C57
2019-06-09 16:44:31 s 1 +57389.078 0 +369308.44 4930.0 – C57
2019-06-09 17:14:31 S 15 37 39.240 -38 00 01.91 – V C57
2019-06-09 17:14:31 s 1 +56381.167 0 +370077.17 9430.0 – C57
2019-06-09 17:44:31 S 15 37 36.583 -37 59 40.63 – V C57
2019-06-09 17:44:31 s 1 +55371.984 0 +370837.08 1410.0 – C57
2019-06-09 18:14:31 S 15 37 34.056 -37 59 19.43 – V C57
2019-06-09 18:14:31 s 1 +54361.560 0 +371588.18 990.0 – C57
2019-06-09 18:44:31 S 15 37 31.375 -37 58 56.78 – V C57
2019-06-09 18:44:31 s 1 +53349.926 0 +372330.49 8320.0 – C57
2019-06-09 19:14:31 S 15 37 28.721 -37 58 34.21 – V C57
2019-06-09 19:14:31 s 1 +52337.110 0 +373064.03 3520.0 – C57
2019-06-09 19:44:31 S 15 37 26.050 -37 58 11.14 – V C57
2019-06-09 19:44:31 s 1 +51323.144 0 +373788.82 6740.0 – C57
2019-06-09 20:14:31 S 15 37 23.498 -37 57 48.74 – V C57
2019-06-09 20:14:31 s 1 +50308.056 0 +374504.89 8110.0 – C57
2019-06-09 20:44:31 S 15 37 20.842 -37 57 27.43 – V C57
2019-06-09 20:44:31 s 1 +49291.876 0 +375212.24 7740.0 – C57
2019-06-09 21:14:31 S 15 37 18.180 -37 57 04.82 – V C57
2019-06-09 21:14:31 s 1 +48274.632 0 +375910.90 5790.0 – C57
2019-06-09 21:44:31 S 15 37 15.588 -37 56 43.37 – V C57
2019-06-09 21:44:31 s 1 +47256.354 0 +376600.89 2360.0 – C57
2019-06-09 22:14:31 S 15 37 12.854 -37 56 19.72 – V C57
2019-06-09 22:14:31 s 1 +46237.069 0 +377282.23 7590.0 – C57
2019-06-09 22:44:31 S 15 37 10.272 -37 55 58.08 – V C57
2019-06-09 22:44:31 s 1 +45216.807 0 +377954.94 1620.0 – C57
2019-06-09 23:14:31 S 15 37 07.680 -37 55 36.48 – V C57