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
2019-09-21 07:44:27 s 1 -198141.95 7 +230816.55 5780.0 – C57
2019-09-21 09:44:27 S 13 55 27.163 +57 34 41.52 – V C57
2019-09-21 09:44:27 s 1 -199439.66 5 +224019.48 3580.0 – C57
2019-09-21 10:14:27 S 13 55 18.698 +57 36 28.91 – V C57
2019-09-21 10:14:27 s 1 -199741.32 3 +222294.28 7500.0 – C57
2019-09-21 10:44:27 S 13 55 09.727 +57 38 22.85 – V C57
2019-09-21 10:44:27 s 1 -200033.65 5 +220558.66 8600.0 – C57
2019-09-21 11:14:27 S 13 55 01.541 +57 40 03.50 – V C57
2019-09-21 11:14:27 s 1 -200316.55 2 +218812.58 6580.0 – C57
2019-09-21 11:44:27 S 13 54 53.170 +57 41 49.34 – V C57
2019-09-21 11:44:27 s 1 -200589.89 8 +217056.03 1120.0 – C57
2019-09-21 12:14:27 S 13 54 45.070 +57 43 33.28 – V C57
2019-09-21 12:14:27 s 1 -200853.57 8 +215288.97 1900.0 – C57
2019-09-21 12:44:27 S 13 54 37.260 +57 45 09.22 – V C57
2019-09-21 12:44:27 s 1 -201107.47 6 +213511.37 8600.0 – C57
2019-09-21 13:14:27 S 13 54 28.474 +57 47 00.24 – V C57
2019-09-21 13:14:27 s 1 -201351.47 0 +211723.22 870.0 – C57
2019-09-21 13:44:27 S 13 54 19.462 +57 48 47.63 – V C57
2019-09-21 13:44:27 s 1 -201585.43 9 +209924.49 8390.0 – C57
2019-09-21 14:14:27 S 13 54 11.362 +57 50 30.12 – V C57
2019-09-21 14:14:27 s 1 -201809.26 0 +208115.14 810.0 – C57
2019-09-21 14:44:27 S 13 54 02.520 +57 52 17.26 – V C57
2019-09-21 14:44:27 s 1 -202022.80 5 +206295.16 7780.0 – C57
2019-09-21 15:14:27 S 13 53 54.144 +57 53 59.39 – V C57
2019-09-21 15:14:27 s 1 -202225.94 7 +204464.51 8940.0 – C57
2019-09-21 15:44:27 S 13 53 45.828 +57 55 39.72 – V C57
2019-09-21 15:44:27 s 1 -202418.55 4 +202623.17 3930.0 – C57
2019-09-21 16:44:27 S 13 53 28.385 +57 59 11.26 – V C57
2019-09-21 16:44:27 s 1 -202771.62 9 +198908.30 3890.0 – C57
2019-09-21 17:14:27 S 13 53 19.666 +58 00 55.76 – V C57
2019-09-21 17:14:27 s 1 -202931.82 2 +197034.72 8100.0 – C57
2019-09-21 18:14:27 S 13 53 03.202 +58 04 17.26 – V C57
2019-09-21 18:14:27 s 1 -203218.81 6 +193255.14 3030.0 – C57
2019-09-21 18:44:27 S 13 52 53.791 +58 06 02.88 – V C57
2019-09-21 18:44:27 s 1 -203345.32 7 +191349.08 2940.0 – C57
2019-09-21 19:44:27 S 13 52 35.962 +58 09 32.29 – V C57
2019-09-21 19:44:27 s 1 -203563.63 0 +187504.31 5570.0 – C57
2019-09-21 20:14:27 S 13 52 26.964 +58 11 15.07 – V C57
2019-09-21 20:14:27 s 1 -203655.11 5 +185565.54 7430.0 – C57
2019-09-21 20:44:27 S 13 52 18.065 +58 13 01.88 – V C57
2019-09-21 20:44:27 s 1 -203734.61 3 +183615.81 9070.0 – C57
2019-09-21 22:14:27 S 13 51 51.269 +58 18 07.13 – V C57
2019-09-21 22:14:27 s 1 -203899.55 4 +177700.63 8120.0 – C57
2019-09-21 23:14:27 S 13 51 32.635 +58 21 40.14 – V C57
2019-09-21 23:14:27 s 1 -203946.53 6 +173701.93 7890.0 – C57
2019-09-21 23:44:27 S 13 51 24.761 +58 23 10.14 – V C57
2019-09-21 23:44:27 s 1 -203950.60 9 +171685.93 8420.0 – C57
2019-09-22 00:14:27 S 13 51 14.842 +58 25 02.28 – V C57
2019-09-22 00:14:27 s 1 -203941.49 6 +169658.80 5380.0 – C57
2019-09-22 00:44:27 S 13 51 05.642 +58 26 44.23 – V C57