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
2019-05-30 17:44:31 s 1 -160717.38 1 +339682.19 1840.0 – C57
2019-05-30 18:14:31 S 16 01 14.534 -40 05 37.64 – V C57
2019-05-30 18:14:31 s 1 -161469.55 6 +338687.22 320.0 – C57
2019-05-30 18:44:31 S 16 01 11.894 -40 05 28.68 – V C57
2019-05-30 18:44:31 s 1 -162217.82 9 +337684.05 50.0 – C57
2019-05-30 19:14:31 S 16 01 08.834 -40 05 15.65 – V C57
2019-05-30 19:14:31 s 1 -162962.16 5 +336672.65 900.0 – C57
2019-05-30 20:14:31 S 16 01 04.142 -40 05 01.54 – V C57
2019-05-30 20:14:31 s 1 -164438.88 1 +334625.17 5420.0 – C57
2019-05-30 21:14:31 S 16 00 58.618 -40 04 44.22 – V C57
2019-05-30 21:14:31 s 1 -165899.41 6 +332544.67 2870.0 – C57
2019-05-30 21:44:31 S 16 00 56.237 -40 04 33.78 – V C57
2019-05-30 21:44:31 s 1 -166623.52 4 +331492.01 7350.0 – C57
2019-05-30 22:14:31 S 16 00 53.215 -40 04 23.99 – V C57
2019-05-30 22:14:31 s 1 -167343.47 5 +330431.06 2160.0 – C57
2019-05-31 04:44:31 S 16 00 18.166 -40 02 32.24 – V C57
2019-05-31 04:44:31 s 1 -176306.91 0 +315878.32 800.0 – C57
2019-05-31 05:14:31 S 16 00 15.466 -40 02 22.34 – V C57
2019-05-31 05:14:31 s 1 -176964.53 0 +314699.90 5280.0 – C57
2019-05-31 05:44:31 S 16 00 12.854 -40 02 13.27 – V C57
2019-05-31 05:44:31 s 1 -177617.38 5 +313512.99 7910.0 – C57
2019-05-31 06:14:31 S 16 00 10.003 -40 02 05.17 – V C57
2019-05-31 06:14:31 s 1 -178265.43 1 +312317.57 8510.0 – C57
2019-05-31 06:44:31 S 16 00 07.306 -40 01 55.85 – V C57
2019-05-31 06:44:31 s 1 -178908.62 4 +311113.62 6930.0 – C57
2019-05-31 07:14:31 S 16 00 04.704 -40 01 44.94 – V C57
2019-05-31 07:14:31 s 1 -179546.91 9 +309901.13 3000.0 – C57
2019-05-31 07:44:31 S 16 00 01.954 -40 01 37.16 – V C57
2019-05-31 07:44:31 s 1 -180180.26 9 +308680.08 6560.0 – C57
2019-05-31 08:14:31 S 15 59 59.129 -40 01 27.62 – V C57
2019-05-31 08:14:31 s 1 -180808.62 9 +307450.46 7450.0 – C57
2019-05-31 08:44:31 S 15 59 56.441 -40 01 18.19 – V C57
2019-05-31 08:44:31 s 1 -181431.95 3 +306212.26 5490.0 – C57
2019-05-31 09:14:31 S 15 59 53.664 -40 01 08.87 – V C57
2019-05-31 09:14:31 s 1 -182050.19 2 +304965.45 530.0 – C57
2019-05-31 09:44:31 S 15 59 51.014 -40 01 00.12 – V C57
2019-05-31 09:44:31 s 1 -182663.30 0 +303710.01 2370.0 – C57
2019-05-31 10:14:31 S 15 59 48.166 -40 00 50.62 – V C57
2019-05-31 10:14:31 s 1 -183271.22 9 +302445.95 860.0 – C57
2019-05-31 10:44:31 S 15 59 45.391 -40 00 41.76 – V C57
2019-05-31 10:44:31 s 1 -183873.92 9 +301173.23 5810.0 – C57
2019-05-31 11:14:31 S 15 59 42.758 -40 00 32.36 – V C57
2019-05-31 11:14:31 s 1 -184471.35 1 +299891.84 7040.0 – C57
2019-05-31 11:44:31 S 15 59 39.871 -40 00 23.08 – V C57
2019-05-31 11:44:31 s 1 -185063.44 5 +298601.76 4390.0 – C57
2019-05-31 12:14:31 S 15 59 37.238 -40 00 15.12 – V C57
2019-05-31 12:14:31 s 1 -185650.16 1 +297302.98 7650.0 – C57
2019-05-31 12:44:31 S 15 59 34.363 -40 00 04.72 – V C57
2019-05-31 12:44:31 s 1 -186231.44 8 +295995.49 6660.0 – C57
2019-05-31 13:14:31 S 15 59 31.601 -39 59 56.44 – V C57