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
2019-12-17 22:44:24 s 1 -65201.419 0 +398025.83 1210.0 – C57
2019-12-17 23:14:24 S 04 28 18.823 +34 58 48.43 – V C57
2019-12-17 23:14:24 s 1 -66137.938 0 +397799.62 6630.0 – C57
2019-12-17 23:44:24 S 04 28 17.681 +34 58 12.40 – V C57
2019-12-17 23:44:24 s 1 -67073.091 0 +397565.55 2480.0 – C57
2019-12-18 00:14:24 S 04 28 16.493 +34 57 33.37 – V C57
2019-12-18 00:14:24 s 1 -68006.858 0 +397323.63 1210.0 – C57
2019-12-18 00:44:24 S 04 28 15.396 +34 56 56.65 – V C57
2019-12-18 00:44:24 s 1 -68939.219 0 +397073.85 4390.0 – C57
2019-12-18 01:14:24 S 04 28 14.167 +34 56 17.02 – V C57
2019-12-18 01:14:24 s 1 -69870.154 0 +396816.21 7000.0 – C57
2019-12-18 01:44:24 S 04 28 13.006 +34 55 40.69 – V C57
2019-12-18 01:44:24 s 1 -70799.643 0 +396550.73 9020.0 – C57
2019-12-18 02:14:24 S 04 28 11.966 +34 54 56.48 – V C57
2019-12-18 02:14:24 s 1 -71727.667 0 +396277.38 380.0 – C57
2019-12-18 02:44:24 S 04 28 10.771 +34 54 23.87 – V C57
2019-12-18 02:44:24 s 1 -72654.204 0 +395996.19 1060.0 – C57
2019-12-18 03:14:24 S 04 28 09.566 +34 53 47.44 – V C57
2019-12-18 03:14:24 s 1 -73579.236 0 +395707.13 1000.0 – C57
2019-12-18 03:44:24 S 04 28 08.467 +34 53 07.76 – V C57
2019-12-18 03:44:24 s 1 -74502.741 0 +395410.22 160.0 – C57
2019-12-18 04:14:24 S 04 28 07.342 +34 52 30.61 – V C57
2019-12-18 04:14:24 s 1 -75424.700 0 +395105.46 8490.0 – C57
2019-12-18 04:44:24 S 04 28 06.178 +34 51 54.83 – V C57
2019-12-18 04:44:24 s 1 -76345.092 0 +394792.84 5950.0 – C57
2019-12-18 05:14:24 S 04 28 05.021 +34 51 15.08 – V C57
2019-12-18 05:14:24 s 1 -77263.896 0 +394472.35 2500.0 – C57
2019-12-18 05:44:24 S 04 28 03.816 +34 50 37.75 – V C57
2019-12-18 05:44:24 s 1 -78181.093 0 +394144.01 8080.0 – C57
2019-12-18 06:14:24 S 04 28 02.746 +34 50 00.17 – V C57
2019-12-18 06:14:24 s 1 -79096.662 0 +393807.81 2660.0 – C57
2019-12-18 06:44:24 S 04 28 01.630 +34 49 21.68 – V C57
2019-12-18 06:44:24 s 1 -80010.582 0 +393463.75 6180.0 – C57
2019-12-18 07:14:24 S 04 28 00.434 +34 48 44.50 – V C57
2019-12-18 07:14:24 s 1 -80922.832 0 +393111.82 8600.0 – C57
2019-12-18 07:44:24 S 04 27 59.393 +34 48 07.38 – V C57
2019-12-18 07:44:24 s 1 -81833.393 0 +392752.02 9890.0 – C57
2019-12-18 08:14:24 S 04 27 58.284 +34 47 29.29 – V C57
2019-12-18 08:14:24 s 1 -82742.242 0 +392384.36 9980.0 – C57
2019-12-18 08:44:24 S 04 27 57.060 +34 46 50.02 – V C57
2019-12-18 08:44:24 s 1 -83649.360 0 +392008.82 8840.0 – C57
2019-12-18 09:14:24 S 04 27 56.098 +34 46 14.30 – V C57
2019-12-18 09:14:24 s 1 -84554.725 0 +391625.41 6410.0 – C57
2019-12-18 09:44:24 S 04 27 54.898 +34 45 36.36 – V C57
2019-12-18 09:44:24 s 1 -85458.316 0 +391234.13 2660.0 – C57
2019-12-18 10:14:24 S 04 27 53.863 +34 44 57.30 – V C57
2019-12-18 10:14:24 s 1 -86360.112 0 +390834.97 7530.0 – C57
2019-12-18 10:44:24 S 04 27 52.682 +34 44 20.11 – V C57
2019-12-18 10:44:24 s 1 -87260.092 0 +390427.92 980.0 – C57
2019-12-18 11:14:24 S 04 27 51.586 +34 43 43.36 – V C57