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 02:44:27 s 1 -166188.41 2 +311611.12 7100.0 – C57
2019-09-20 03:14:27 S 14 03 06.588 +55 44 35.05 – V C57
2019-09-20 03:14:27 s 1 -166907.63 0 +310487.78 1430.0 – C57
2019-09-20 03:44:27 S 14 02 59.736 +55 46 25.97 – V C57
2019-09-20 03:44:27 s 1 -167621.99 3 +309355.29 5300.0 – C57
2019-09-20 04:14:27 S 14 02 53.256 +55 48 12.06 – V C57
2019-09-20 04:14:27 s 1 -168331.45 3 +308213.66 8580.0 – C57
2019-09-20 04:44:27 S 14 02 45.751 +55 50 11.94 – V C57
2019-09-20 04:44:27 s 1 -169035.96 4 +307062.86 1140.0 – C57
2019-09-20 05:14:27 S 14 02 39.449 +55 51 53.93 – V C57
2019-09-20 05:14:27 s 1 -169735.47 6 +305902.89 2850.0 – C57
2019-09-20 06:14:27 S 14 02 24.658 +55 55 47.71 – V C57
2019-09-20 06:14:27 s 1 -171119.31 1 +303555.33 3170.0 – C57
2019-09-20 07:14:27 S 14 02 11.626 +55 59 11.51 – V C57
2019-09-20 07:14:27 s 1 -172482.56 0 +301170.86 8430.0 – C57
2019-09-20 07:44:27 S 14 02 03.986 +56 01 12.14 – V C57
2019-09-20 07:44:27 s 1 -173156.33 8 +299964.75 3820.0 – C57
2019-09-20 08:44:27 S 14 01 49.704 +56 04 56.14 – V C57
2019-09-20 08:44:27 s 1 -174487.94 4 +297524.69 9400.0 – C57
2019-09-20 09:14:27 S 14 01 43.046 +56 06 38.48 – V C57
2019-09-20 09:14:27 s 1 -175145.66 7 +296290.70 9300.0 – C57
2019-09-20 10:44:27 S 14 01 20.940 +56 12 17.75 – V C57
2019-09-20 10:44:27 s 1 -177085.86 7 +292532.72 5630.0 – C57
2019-09-20 11:14:27 S 14 01 14.479 +56 13 57.90 – V C57
2019-09-20 11:14:27 s 1 -177721.42 9 +291261.33 6120.0 – C57
2019-09-20 11:44:27 S 14 01 07.037 +56 15 49.32 – V C57
2019-09-20 11:44:27 s 1 -178351.31 1 +289980.54 3880.0 – C57
2019-09-20 12:14:27 S 14 00 59.482 +56 17 44.05 – V C57
2019-09-20 12:14:27 s 1 -178975.45 8 +288690.35 8740.0 – C57
2019-09-20 12:44:27 S 14 00 53.352 +56 19 18.05 – V C57
2019-09-20 12:44:27 s 1 -179593.81 0 +287390.72 550.0 – C57
2019-09-20 13:14:27 S 14 00 45.302 +56 21 17.96 – V C57
2019-09-20 13:14:27 s 1 -180206.31 1 +286081.64 9150.0 – C57
2019-09-20 13:44:27 S 14 00 38.270 +56 23 06.07 – V C57
2019-09-20 13:44:27 s 1 -180812.90 1 +284763.10 4370.0 – C57
2019-09-20 14:14:27 S 14 00 30.758 +56 24 56.02 – V C57
2019-09-20 14:14:27 s 1 -181413.51 9 +283435.06 6050.0 – C57
2019-09-20 14:44:27 S 14 00 23.767 +56 26 39.77 – V C57
2019-09-20 14:44:27 s 1 -182008.10 6 +282097.53 4020.0 – C57
2019-09-20 15:14:27 S 14 00 16.087 +56 28 34.82 – V C57
2019-09-20 15:14:27 s 1 -182596.59 9 +280750.47 8110.0 – C57
2019-09-20 15:44:27 S 14 00 09.060 +56 30 17.10 – V C57
2019-09-20 15:44:27 s 1 -183178.93 7 +279393.86 8150.0 – C57
2019-09-20 16:14:27 S 14 00 03.180 +56 32 01.07 – V C57
2019-09-20 16:14:27 s 1 -183755.05 7 +278027.69 3970.0 – C57
2019-09-20 16:44:27 S 13 59 53.760 +56 34 01.16 – V C57
2019-09-20 16:44:27 s 1 -184324.89 4 +276651.94 5380.0 – C57
2019-09-20 17:14:27 S 13 59 47.330 +56 35 36.24 – V C57
2019-09-20 17:14:27 s 1 -184888.38 4 +275266.58 2220.0 – C57
2019-09-20 17:44:27 S 13 59 39.557 +56 37 28.31 – V C57