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
2019-09-20 17:44:27 s 1 -185445.46 1 +273871.60 4290.0 – C57
2019-09-20 18:14:27 S 13 59 31.224 +56 39 29.09 – V C57
2019-09-20 18:14:27 s 1 -185996.05 9 +272466.98 1410.0 – C57
2019-09-20 18:44:27 S 13 59 23.849 +56 41 14.64 – V C57
2019-09-20 18:44:27 s 1 -186540.11 0 +271052.69 3410.0 – C57
2019-09-20 19:14:27 S 13 59 16.946 +56 42 54.54 – V C57
2019-09-20 19:14:27 s 1 -187077.54 5 +269628.72 80.0 – C57
2019-09-20 19:44:27 S 13 59 09.127 +56 44 47.00 – V C57
2019-09-20 19:44:27 s 1 -187608.29 7 +268195.04 1240.0 – C57
2019-09-20 20:14:27 S 13 59 01.198 +56 46 37.96 – V C57
2019-09-20 20:14:27 s 1 -188132.29 3 +266751.63 6700.0 – C57
2019-09-20 20:44:27 S 13 58 53.870 +56 48 25.09 – V C57
2019-09-20 20:44:27 s 1 -188649.46 3 +265298.47 6250.0 – C57
2019-09-20 22:44:27 S 13 58 22.697 +56 55 40.22 – V C57
2019-09-20 22:44:27 s 1 -190648.42 3 +259387.92 1400.0 – C57
2019-09-20 23:14:27 S 13 58 14.899 +56 57 28.66 – V C57
2019-09-20 23:14:27 s 1 -191130.35 8 +257885.69 8390.0 – C57
2019-09-20 23:44:27 S 13 58 07.342 +56 59 13.92 – V C57
2019-09-20 23:44:27 s 1 -191605.01 7 +256373.57 8230.0 – C57
2019-09-21 00:14:27 S 13 58 00.067 +57 00 54.54 – V C57
2019-09-21 00:14:27 s 1 -192072.32 2 +254851.55 710.0 – C57
2019-09-21 00:44:27 S 13 57 51.161 +57 02 56.76 – V C57
2019-09-21 00:44:27 s 1 -192532.19 2 +253319.61 5610.0 – C57
2019-09-21 01:14:27 S 13 57 44.441 +57 04 29.46 – V C57
2019-09-21 01:14:27 s 1 -192984.54 7 +251777.71 2700.0 – C57
2019-09-21 01:44:27 S 13 57 36.629 +57 06 17.71 – V C57
2019-09-21 01:44:27 s 1 -193429.30 4 +250225.83 1750.0 – C57
2019-09-21 02:14:27 S 13 57 28.445 +57 08 07.94 – V C57
2019-09-21 02:14:27 s 1 -193866.37 9 +248663.96 2540.0 – C57
2019-09-21 02:44:27 S 13 57 20.155 +57 09 59.65 – V C57
2019-09-21 02:44:27 s 1 -194295.68 7 +247092.07 4830.0 – C57
2019-09-21 03:14:27 S 13 57 12.982 +57 11 36.74 – V C57
2019-09-21 03:14:27 s 1 -194717.14 3 +245510.13 8370.0 – C57
2019-09-21 03:44:27 S 13 57 04.255 +57 13 32.63 – V C57
2019-09-21 03:44:27 s 1 -195130.65 8 +243918.12 2940.0 – C57
2019-09-21 04:14:27 S 13 56 56.198 +57 15 20.63 – V C57
2019-09-21 04:14:27 s 1 -195536.14 4 +242316.01 8280.0 – C57
2019-09-21 04:44:27 S 13 56 48.530 +57 17 03.34 – V C57
2019-09-21 04:44:27 s 1 -195933.51 1 +240703.79 4140.0 – C57
2019-09-21 05:14:27 S 13 56 40.322 +57 18 50.33 – V C57
2019-09-21 05:14:27 s 1 -196322.66 6 +239081.42 270.0 – C57
2019-09-21 05:44:27 S 13 56 32.530 +57 20 34.48 – V C57
2019-09-21 05:44:27 s 1 -196703.51 7 +237448.89 6410.0 – C57
2019-09-21 06:14:27 S 13 56 24.377 +57 22 22.58 – V C57
2019-09-21 06:14:27 s 1 -197075.96 8 +235806.16 2300.0 – C57
2019-09-21 06:44:27 S 13 56 15.917 +57 24 13.36 – V C57
2019-09-21 06:44:27 s 1 -197439.92 4 +234153.21 7670.0 – C57
2019-09-21 07:14:27 S 13 56 07.502 +57 26 01.57 – V C57
2019-09-21 07:14:27 s 1 -197795.28 7 +232490.01 2260.0 – C57
2019-09-21 07:44:27 S 13 56 00.365 +57 27 34.34 – V C57