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
2019-12-02 19:44:24 s 1 +31712.418 0 +377662.39 1780.0 – C57
2019-12-02 19:45:36 C 04 51 09.67 +43 48 04.0 – q 006
2019-12-02 20:14:24 S 04 50 36.955 +44 02 22.52 – V C57
2019-12-02 20:14:24 s 1 +30761.052 0 +378223.12 3400.0 – C57
2019-12-02 20:44:24 S 04 50 33.907 +44 01 33.13 – V C57
2019-12-02 20:44:24 s 1 +29808.942 0 +378775.05 630.0 – C57
2019-12-02 21:14:24 S 04 50 30.696 +44 00 42.12 – V C57
2019-12-02 21:14:24 s 1 +28856.111 0 +379318.19 3520.0 – C57
2019-12-02 21:44:24 S 04 50 27.605 +43 59 53.16 – V C57
2019-12-02 21:44:24 s 1 +27902.585 0 +379852.55 2160.0 – C57
2019-12-02 22:14:24 S 04 50 24.427 +43 59 01.79 – V C57
2019-12-02 22:14:24 s 1 +26948.388 0 +380378.17 6620.0 – C57
2019-12-02 22:44:24 S 04 50 21.319 +43 58 11.71 – V C57
2019-12-02 22:44:24 s 1 +25993.546 0 +380895.05 6980.0 – C57
2019-12-02 23:14:24 S 04 50 18.269 +43 57 22.14 – V C57
2019-12-02 23:14:24 s 1 +25038.081 0 +381403.22 3290.0 – C57
2019-12-02 23:44:24 S 04 50 15.118 +43 56 29.29 – V C57
2019-12-02 23:44:24 s 1 +24082.018 0 +381902.69 5630.0 – C57
2019-12-03 00:14:24 S 04 50 12.038 +43 55 39.61 – V C57
2019-12-03 00:14:24 s 1 +23125.381 0 +382393.48 4080.0 – C57
2019-12-03 00:44:24 S 04 50 09.086 +43 54 49.90 – V C57
2019-12-03 00:44:24 s 1 +22168.193 0 +382875.60 8700.0 – C57
2019-12-03 01:14:24 S 04 50 05.923 +43 54 00.18 – V C57
2019-12-03 01:14:24 s 1 +21210.478 0 +383349.08 9560.0 – C57
2019-12-03 01:44:24 S 04 50 02.954 +43 53 11.00 – V C57
2019-12-03 01:44:24 s 1 +20252.260 0 +383813.93 6730.0 – C57
2019-12-03 02:44:24 S 04 49 56.724 +43 51 28.76 – V C57
2019-12-03 02:44:24 s 1 +18334.404 0 +384717.80 280.0 – C57
2019-12-03 03:14:24 S 04 49 53.633 +43 50 38.44 – V C57
2019-12-03 03:14:24 s 1 +17374.813 0 +385156.86 6800.0 – C57
2019-12-03 03:44:24 S 04 49 50.561 +43 49 48.14 – V C57
2019-12-03 03:44:24 s 1 +16414.810 0 +385587.34 9890.0 – C57
2019-12-03 04:14:24 S 04 49 47.549 +43 48 58.32 – V C57
2019-12-03 04:14:24 s 1 +15454.418 0 +386009.28 9620.0 – C57
2019-12-03 04:44:24 S 04 49 44.532 +43 48 07.52 – V C57
2019-12-03 04:44:24 s 1 +14493.659 0 +386422.68 6070.0 – C57
2019-12-03 05:14:24 S 04 49 41.532 +43 47 18.17 – V C57
2019-12-03 05:14:24 s 1 +13532.555 0 +386827.56 9300.0 – C57
2019-12-03 05:44:24 S 04 49 38.453 +43 46 27.84 – V C57
2019-12-03 05:44:24 s 1 +12571.130 0 +387223.93 9370.0 – C57
2019-12-03 06:14:24 S 04 49 35.352 +43 45 36.58 – V C57
2019-12-03 06:14:24 s 1 +11609.404 0 +387611.81 6340.0 – C57
2019-12-03 06:44:24 S 04 49 32.386 +43 44 45.24 – V C57
2019-12-03 06:44:24 s 1 +10647.400 0 +387991.21 280.0 – C57
2019-12-03 07:14:24 S 04 49 29.203 +43 43 54.77 – V C57
2019-12-03 07:44:24 S 04 49 26.098 +43 43 03.94 – V C57
2019-12-03 08:14:24 S 04 49 23.268 +43 42 16.24 – V C57
2019-12-03 08:44:24 S 04 49 20.258 +43 41 25.19 – V C57
2019-12-03 09:14:24 S 04 49 17.220 +43 40 34.43 – V C57
2019-12-03 09:44:24 S 04 49 14.237 +43 39 42.77 – V C57