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
2019-12-04 01:44:24 S 04 47 40.138 +43 12 46.51 – V C57
2019-12-04 01:44:24 s 1 -25907.765 0 +396241.24 5940.0 – C57
2019-12-04 02:14:24 S 04 47 37.210 +43 11 56.00 – V C57
2019-12-04 02:14:24 s 1 -26864.471 0 +396298.52 7560.0 – C57
2019-12-04 02:44:24 S 04 47 34.344 +43 11 04.70 – V C57
2019-12-04 02:44:24 s 1 -27820.646 0 +396347.70 8430.0 – C57
2019-12-04 03:14:24 S 04 47 31.337 +43 10 12.04 – V C57
2019-12-04 03:14:24 s 1 -28776.269 0 +396388.79 8600.0 – C57
2019-12-04 03:44:24 S 04 47 28.694 +43 09 25.24 – V C57
2019-12-04 03:44:24 s 1 -29731.322 0 +396421.79 8110.0 – C57
2019-12-04 04:14:24 S 04 47 25.716 +43 08 32.39 – V C57
2019-12-04 04:14:24 s 1 -30685.786 0 +396446.71 7030.0 – C57
2019-12-04 04:44:24 S 04 47 22.915 +43 07 42.35 – V C57
2019-12-04 04:44:24 s 1 -31639.641 0 +396463.56 5400.0 – C57
2019-12-04 05:14:24 S 04 47 20.088 +43 06 52.74 – V C57
2019-12-04 05:14:24 s 1 -32592.868 0 +396472.33 3280.0 – C57
2019-12-04 05:44:24 S 04 47 17.206 +43 06 01.98 – V C57
2019-12-04 05:44:24 s 1 -33545.449 0 +396473.03 710.0 – C57
2019-12-04 06:14:24 S 04 47 14.374 +43 05 10.50 – V C57
2019-12-04 06:14:24 s 1 -34497.363 0 +396465.67 7750.0 – C57
2019-12-04 06:44:24 S 04 47 11.556 +43 04 19.24 – V C57
2019-12-04 06:44:24 s 1 -35448.591 0 +396450.25 4440.0 – C57
2019-12-04 07:14:24 S 04 47 08.767 +43 03 29.52 – V C57
2019-12-04 07:14:24 s 1 -36399.115 0 +396426.77 850.0 – C57
2019-12-04 07:44:24 S 04 47 05.933 +43 02 38.11 – V C57
2019-12-04 07:44:24 s 1 -37348.916 0 +396395.24 7020.0 – C57
2019-12-04 08:14:24 S 04 47 02.981 +43 01 47.39 – V C57
2019-12-04 08:14:24 s 1 -38297.973 0 +396355.66 3000.0 – C57
2019-12-04 10:44:24 S 04 46 49.090 +42 57 36.18 – V C57
2019-12-04 10:44:24 s 1 -43031.447 0 +396037.14 1880.0 – C57
2019-12-04 11:14:24 S 04 46 46.140 +42 56 43.22 – V C57
2019-12-04 11:14:24 s 1 -43975.644 0 +395949.33 7800.0 – C57
2019-12-04 11:44:24 S 04 46 43.385 +42 55 53.51 – V C57
2019-12-04 11:44:24 s 1 -44918.965 0 +395853.50 3890.0 – C57
2019-12-04 12:14:24 S 04 46 40.704 +42 55 02.89 – V C57
2019-12-04 12:14:24 s 1 -45861.388 0 +395749.63 190.0 – C57
2019-12-04 12:44:24 S 04 46 37.817 +42 54 10.87 – V C57
2019-12-04 12:44:24 s 1 -46802.896 0 +395637.74 6770.0 – C57
2019-12-04 13:14:24 S 04 46 35.004 +42 53 17.66 – V C57
2019-12-04 13:14:24 s 1 -47743.469 0 +395517.82 3660.0 – C57
2019-12-04 13:44:24 S 04 46 32.328 +42 52 30.76 – V C57
2019-12-04 13:44:24 s 1 -48683.088 0 +395389.89 930.0 – C57
2019-12-04 14:14:24 S 04 46 29.582 +42 51 38.05 – V C57
2019-12-04 14:14:24 s 1 -49621.733 0 +395253.93 8610.0 – C57
2019-12-04 14:44:24 S 04 46 26.897 +42 50 49.88 – V C57
2019-12-04 14:44:24 s 1 -50559.385 0 +395109.95 6760.0 – C57
2019-12-04 15:14:24 S 04 46 24.007 +42 49 58.55 – V C57
2019-12-04 15:14:24 s 1 -51496.024 0 +394957.95 5430.0 – C57
2019-12-04 15:44:24 S 04 46 21.269 +42 49 08.44 – V C57
2019-12-04 15:44:24 s 1 -52431.631 0 +394797.93 4680.0 – C57