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
2019-12-14 18:44:24 s 1 +80631.236 0 +336491.58 4710.0 – C57
2019-12-14 19:14:24 S 04 31 52.433 +36 36 36.36 – V C57
2019-12-14 19:14:24 s 1 +79743.781 0 +337579.81 1340.0 – C57
2019-12-14 19:44:24 S 04 31 50.813 +36 35 56.51 – V C57
2019-12-14 19:44:24 s 1 +78853.738 0 +338657.68 9060.0 – C57
2019-12-14 20:14:24 S 04 31 49.152 +36 35 18.78 – V C57
2019-12-14 20:14:24 s 1 +77961.154 0 +339725.24 7980.0 – C57
2019-12-14 20:44:24 S 04 31 47.606 +36 34 40.04 – V C57
2019-12-14 20:44:24 s 1 +77066.076 0 +340782.52 8200.0 – C57
2019-12-14 21:14:24 S 04 31 45.953 +36 34 00.52 – V C57
2019-12-14 21:14:24 s 1 +76168.548 0 +341829.57 9850.0 – C57
2019-12-14 21:44:24 S 04 31 44.309 +36 33 21.13 – V C57
2019-12-14 21:44:24 s 1 +75268.615 0 +342866.42 3040.0 – C57
2019-12-14 22:14:24 S 04 31 42.754 +36 32 42.29 – V C57
2019-12-14 22:14:24 s 1 +74366.321 0 +343893.11 7860.0 – C57
2019-12-14 22:44:24 S 04 31 41.136 +36 32 03.62 – V C57
2019-12-14 22:44:24 s 1 +73461.709 0 +344909.68 4440.0 – C57
2019-12-15 00:14:24 S 04 31 36.228 +36 30 05.36 – V C57
2019-12-15 00:14:24 s 1 +70734.393 0 +347898.99 5700.0 – C57
2019-12-15 00:44:24 S 04 31 34.702 +36 29 26.16 – V C57
2019-12-15 00:44:24 s 1 +69820.934 0 +348875.42 300.0 – C57
2019-12-15 01:14:24 S 04 31 33.096 +36 28 48.07 – V C57
2019-12-15 01:14:24 s 1 +68905.367 0 +349841.90 7170.0 – C57
2019-12-15 01:44:24 S 04 31 31.560 +36 28 08.90 – V C57
2019-12-15 01:44:24 s 1 +67987.731 0 +350798.48 6400.0 – C57
2019-12-15 02:14:24 S 04 31 29.926 +36 27 29.56 – V C57
2019-12-15 02:14:24 s 1 +67068.068 0 +351745.17 8080.0 – C57
2019-12-15 02:44:24 S 04 31 28.306 +36 26 51.25 – V C57
2019-12-15 02:44:24 s 1 +66146.416 0 +352682.02 2320.0 – C57
2019-12-15 03:14:24 S 04 31 26.791 +36 26 11.40 – V C57
2019-12-15 03:14:24 s 1 +65222.814 0 +353609.06 9200.0 – C57
2019-12-15 03:44:24 S 04 31 25.154 +36 25 32.34 – V C57
2019-12-15 03:44:24 s 1 +64297.301 0 +354526.32 8820.0 – C57
2019-12-15 04:14:24 S 04 31 23.635 +36 24 53.82 – V C57
2019-12-15 04:14:24 s 1 +63369.914 0 +355433.83 1280.0 – C57
2019-12-15 04:44:24 S 04 31 22.003 +36 24 14.54 – V C57
2019-12-15 04:44:24 s 1 +62440.692 0 +356331.63 6660.0 – C57
2019-12-15 05:14:24 S 04 31 20.450 +36 23 34.80 – V C57
2019-12-15 05:14:24 s 1 +61509.672 0 +357219.74 5050.0 – C57
2019-12-15 05:44:24 S 04 31 18.888 +36 22 57.22 – V C57
2019-12-15 05:44:24 s 1 +60576.890 0 +358098.20 6550.0 – C57
2019-12-15 06:14:24 S 04 31 17.359 +36 22 17.58 – V C57
2019-12-15 06:14:24 s 1 +59642.382 0 +358967.04 1230.0 – C57
2019-12-15 06:44:24 S 04 31 15.761 +36 21 38.34 – V C57
2019-12-15 06:44:24 s 1 +58706.185 0 +359826.29 9200.0 – C57
2019-12-15 07:14:24 S 04 31 14.213 +36 20 59.78 – V C57
2019-12-15 07:14:24 s 1 +57768.334 0 +360675.98 530.0 – C57
2019-12-15 07:44:24 S 04 31 12.684 +36 20 21.19 – V C57
2019-12-15 07:44:24 s 1 +56828.864 0 +361516.14 5300.0 – C57
2019-12-15 08:14:24 S 04 31 11.114 +36 19 41.59 – V C57