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
2019-09-22 20:14:27 s 1 -190077.15 7 +79292.414 4840.0 – C57
2019-09-22 20:44:27 S 13 44 36.144 +59 32 12.19 – V C57
2019-09-22 20:44:27 s 1 -189306.13 7 +76803.081 8030.0 – C57
2019-09-22 21:14:27 S 13 44 25.406 +59 33 48.49 – V C57
2019-09-22 21:14:27 s 1 -188508.90 6 +74303.105 430.0 – C57
2019-09-22 21:44:27 S 13 44 14.153 +59 35 28.86 – V C57
2019-09-22 21:44:27 s 1 -187684.95 0 +71792.585 550.0 – C57
2019-09-22 22:14:27 S 13 44 03.077 +59 37 08.94 – V C57
2019-09-22 22:14:27 s 1 -186833.74 3 +69271.632 6850.0 – C57
2019-09-22 22:44:27 S 13 43 52.562 +59 38 43.15 – V C57
2019-09-22 22:44:27 s 1 -185954.74 3 +66740.365 7740.0 – C57
2019-09-22 23:14:27 S 13 43 43.404 +59 40 02.93 – V C57
2019-09-22 23:14:27 s 1 -185047.39 3 +64198.914 1590.0 – C57
2019-09-22 23:44:27 S 13 43 31.282 +59 41 47.83 – V C57
2019-09-22 23:44:27 s 1 -184111.11 7 +61647.420 6720.0 – C57
2019-09-23 00:14:27 S 13 43 21.372 +59 43 15.67 – V C57
2019-09-23 00:14:27 s 1 -183145.32 7 +59086.036 1380.0 – C57
2019-09-23 00:44:27 S 13 43 11.129 +59 44 44.27 – V C57
2019-09-23 00:44:27 s 1 -182149.41 5 +56514.926 3810.0 – C57
2019-09-23 01:44:27 S 13 42 48.862 +59 47 53.34 – V C57
2019-09-23 01:44:27 s 1 -180064.70 5 +51344.259 4500.0 – C57
2019-09-23 06:14:27 S 13 41 10.512 +60 01 24.64 – V C57
2019-09-23 06:14:27 s 1 -169013.59 4 +27653.527 1220.0 – C57
2019-09-23 06:44:27 S 13 40 58.517 +60 02 59.50 – V C57
2019-09-23 06:44:27 s 1 -167601.75 3 +24984.539 4880.0 – C57
2019-09-23 07:14:27 S 13 40 47.004 +60 04 24.56 – V C57
2019-09-23 07:14:27 s 1 -166150.04 9 +22309.605 7200.0 – C57
2019-09-23 07:44:27 S 13 40 36.002 +60 05 56.40 – V C57
2019-09-23 07:44:27 s 1 -164657.56 5 +19629.194 5400.0 – C57
2019-09-23 08:14:27 S 13 40 25.346 +60 07 18.12 – V C57
2019-09-23 08:14:27 s 1 -163123.36 2 +16943.807 6610.0 – C57
2019-09-23 10:14:27 S 13 39 40.519 +60 13 00.98 – V C57
2019-09-23 10:14:27 s 1 -156549.53 6 + 6163.919 960.0 – C57
2019-09-23 10:44:27 S 13 39 28.188 +60 14 35.23 – V C57
2019-09-23 10:44:27 s 1 -154791.62 1 + 3462.599 910.0 – C57
2019-09-23 11:14:27 S 13 39 16.519 +60 16 03.54 – V C57
2019-09-23 11:14:27 s 1 -152985.73 8 + 760.206 4640.0 – C57
2019-09-23 11:44:27 S 13 39 04.723 +60 17 28.25 – V C57
2019-09-23 11:44:27 s 1 -151130.73 9 - 1942.430 8580.0 – C57
2019-09-23 12:14:27 S 13 38 52.906 +60 18 56.34 – V C57
2019-09-23 12:14:27 s 1 -149225.45 0 - 4644.419 9050.0 – C57
2019-09-23 12:44:27 S 13 38 42.226 +60 20 05.46 – V C57
2019-09-23 12:44:27 s 1 -147268.66 5 - 7344.803 2260.0 – C57
2019-09-23 15:14:27 S 13 37 44.246 +60 26 58.81 – V C57
2019-09-23 15:14:27 s 1 -136667.99 7 -20783.910 8850.0 – C57
2019-09-23 15:44:27 S 13 37 30.886 +60 28 30.22 – V C57
2019-09-23 15:44:27 s 1 -134375.26 3 -23450.222 2590.0 – C57
2019-09-23 16:14:27 S 13 37 19.349 +60 29 46.28 – V C57
2019-09-23 16:14:27 s 1 -132021.79 2 -26105.929 9400.0 – C57
2019-09-23 16:44:27 S 13 37 07.404 +60 31 09.16 – V C57