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
2019-12-16 18:44:24 s 1 -11180.429 0 +398059.65 8850.0 – C57
2019-12-16 19:14:24 S 04 29 29.575 +35 34 29.96 – V C57
2019-12-16 19:14:24 s 1 -12162.156 0 +398279.60 1490.0 – C57
2019-12-16 19:44:24 S 04 29 28.234 +35 33 50.62 – V C57
2019-12-16 19:44:24 s 1 -13143.623 0 +398491.39 2030.0 – C57
2019-12-16 20:14:24 S 04 29 26.736 +35 33 10.98 – V C57
2019-12-16 20:14:24 s 1 -14124.809 0 +398695.02 520.0 – C57
2019-12-16 20:44:24 S 04 29 25.426 +35 32 33.40 – V C57
2019-12-16 20:44:24 s 1 -15105.694 0 +398890.50 7000.0 – C57
2019-12-16 21:14:24 S 04 29 24.122 +35 31 54.95 – V C57
2019-12-16 21:14:24 s 1 -16086.256 0 +399077.86 1530.0 – C57
2019-12-16 21:44:24 S 04 29 22.754 +35 31 15.53 – V C57
2019-12-16 21:44:24 s 1 -17066.477 0 +399257.09 4150.0 – C57
2019-12-16 22:14:24 S 04 29 21.470 +35 30 38.45 – V C57
2019-12-16 22:14:24 s 1 -18046.334 0 +399428.20 4900.0 – C57
2019-12-16 22:44:24 S 04 29 20.126 +35 29 58.81 – V C57
2019-12-16 22:44:24 s 1 -19025.808 0 +399591.22 3830.0 – C57
2019-12-16 23:14:24 S 04 29 18.842 +35 29 22.09 – V C57
2019-12-16 23:14:24 s 1 -20004.879 0 +399746.13 1000.0 – C57
2019-12-16 23:44:24 S 04 29 17.426 +35 28 42.96 – V C57
2019-12-16 23:44:24 s 1 -20983.526 0 +399892.96 6450.0 – C57
2019-12-17 00:14:24 S 04 29 16.250 +35 28 05.05 – V C57
2019-12-17 00:14:24 s 1 -21961.729 0 +400031.71 220.0 – C57
2019-12-17 00:44:24 S 04 29 14.842 +35 27 26.14 – V C57
2019-12-17 00:44:24 s 1 -22939.468 0 +400162.40 2360.0 – C57
2019-12-17 01:14:24 S 04 29 13.502 +35 26 48.05 – V C57
2019-12-17 01:14:24 s 1 -23916.723 0 +400285.02 2920.0 – C57
2019-12-17 01:44:24 S 04 29 12.290 +35 26 10.14 – V C57
2019-12-17 01:44:24 s 1 -24893.474 0 +400399.60 1950.0 – C57
2019-12-17 02:14:24 S 04 29 10.961 +35 25 31.51 – V C57
2019-12-17 02:14:24 s 1 -25869.701 0 +400506.13 9480.0 – C57
2019-12-17 02:44:24 S 04 29 09.650 +35 24 53.64 – V C57
2019-12-17 02:44:24 s 1 -26845.384 0 +400604.62 5570.0 – C57
2019-12-17 03:14:24 S 04 29 08.407 +35 24 14.44 – V C57
2019-12-17 03:14:24 s 1 -27820.503 0 +400695.09 260.0 – C57
2019-12-17 03:44:24 S 04 29 07.049 +35 23 35.84 – V C57
2019-12-17 03:44:24 s 1 -28795.039 0 +400777.54 3600.0 – C57
2019-12-17 04:14:24 S 04 29 05.803 +35 22 58.01 – V C57
2019-12-17 04:14:24 s 1 -29768.971 0 +400851.97 5640.0 – C57
2019-12-17 04:44:24 S 04 29 04.478 +35 22 19.56 – V C57
2019-12-17 04:44:24 s 1 -30742.279 0 +400918.41 6410.0 – C57
2019-12-17 05:14:24 S 04 29 03.209 +35 21 41.54 – V C57
2019-12-17 05:14:24 s 1 -31714.945 0 +400976.84 5970.0 – C57
2019-12-17 05:44:24 S 04 29 01.944 +35 21 03.42 – V C57
2019-12-17 05:44:24 s 1 -32686.948 0 +401027.28 4350.0 – C57
2019-12-17 06:14:24 S 04 29 00.626 +35 20 24.43 – V C57
2019-12-17 06:14:24 s 1 -33658.269 0 +401069.74 1610.0 – C57
2019-12-17 06:44:24 S 04 28 59.419 +35 19 46.60 – V C57
2019-12-17 06:44:24 s 1 -34628.888 0 +401104.22 7790.0 – C57
2019-12-17 06:54:59 C 04 29 42.86 +35 09 53.5 – V G96