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
2019-12-04 16:14:24 S 04 46 18.523 +42 48 16.49 – V C57
2019-12-04 16:14:24 s 1 -53366.187 0 +394629.90 5460.0 – C57
2019-12-04 16:44:24 S 04 46 15.804 +42 47 26.09 – V C57
2019-12-04 16:44:24 s 1 -54299.672 0 +394453.85 4930.0 – C57
2019-12-04 17:14:24 S 04 46 13.022 +42 46 34.79 – V C57
2019-12-04 17:14:24 s 1 -55232.067 0 +394269.78 3670.0 – C57
2019-12-04 17:44:24 S 04 46 10.270 +42 45 45.54 – V C57
2019-12-04 17:44:24 s 1 -56163.351 0 +394077.69 1640.0 – C57
2019-12-04 18:14:24 S 04 46 07.574 +42 44 54.82 – V C57
2019-12-04 18:14:24 s 1 -57093.506 0 +393877.59 8790.0 – C57
2019-12-04 18:44:24 S 04 46 04.850 +42 44 03.91 – V C57
2019-12-04 18:44:24 s 1 -58022.511 0 +393669.47 5070.0 – C57
2019-12-04 19:14:24 S 04 46 02.162 +42 43 13.19 – V C57
2019-12-04 19:14:24 s 1 -58950.347 0 +393453.33 420.0 – C57
2019-12-04 19:44:24 S 04 45 59.374 +42 42 21.71 – V C57
2019-12-04 19:44:24 s 1 -59876.995 0 +393229.17 4800.0 – C57
2019-12-04 20:14:24 S 04 45 56.597 +42 41 31.06 – V C57
2019-12-04 20:14:24 s 1 -60802.433 0 +392996.99 8160.0 – C57
2019-12-04 20:44:24 S 04 45 53.952 +42 40 40.15 – V C57
2019-12-04 20:44:24 s 1 -61726.644 0 +392756.80 440.0 – C57
2019-12-04 21:14:24 S 04 45 51.202 +42 39 50.87 – V C57
2019-12-04 21:14:24 s 1 -62649.605 0 +392508.58 1590.0 – C57
2019-12-04 21:44:24 S 04 45 48.509 +42 38 59.24 – V C57
2019-12-04 21:44:24 s 1 -63571.298 0 +392252.33 1570.0 – C57
2019-12-04 22:14:24 S 04 45 45.754 +42 38 07.80 – V C57
2019-12-04 22:14:24 s 1 -64491.703 0 +391988.07 320.0 – C57
2019-12-04 22:44:24 S 04 45 43.169 +42 37 18.01 – V C57
2019-12-04 22:44:24 s 1 -65410.798 0 +391715.77 7790.0 – C57
2019-12-04 23:14:24 S 04 45 40.490 +42 36 26.42 – V C57
2019-12-04 23:14:24 s 1 -66328.565 0 +391435.45 3930.0 – C57
2019-12-04 23:44:24 S 04 45 37.733 +42 35 35.52 – V C57
2019-12-04 23:44:24 s 1 -67244.983 0 +391147.10 8700.0 – C57
2019-12-05 00:14:24 S 04 45 35.057 +42 34 46.27 – V C57
2019-12-05 00:14:24 s 1 -68160.031 0 +390850.71 2030.0 – C57
2019-12-05 00:44:24 S 04 45 32.402 +42 33 54.50 – V C57
2019-12-05 00:44:24 s 1 -69073.690 0 +390546.29 3880.0 – C57
2019-12-05 01:14:24 S 04 45 29.760 +42 33 04.61 – V C57
2019-12-05 01:14:24 s 1 -69985.938 0 +390233.83 4190.0 – C57
2019-12-05 01:44:24 S 04 45 27.084 +42 32 13.63 – V C57
2019-12-05 01:44:24 s 1 -70896.755 0 +389913.33 2920.0 – C57
2019-12-05 02:14:24 S 04 45 24.312 +42 31 21.97 – V C57
2019-12-05 02:14:24 s 1 -71806.121 0 +389584.78 10.0 – C57
2019-12-05 02:44:24 S 04 45 21.763 +42 30 30.96 – V C57
2019-12-05 02:44:24 s 1 -72714.014 0 +389248.19 5410.0 – C57
2019-12-05 03:14:24 S 04 45 19.092 +42 29 40.96 – V C57
2019-12-05 03:14:24 s 1 -73620.415 0 +388903.54 9080.0 – C57
2019-12-05 04:14:24 S 04 45 13.754 +42 28 00.34 – V C57
2019-12-05 04:14:24 s 1 -75428.653 0 +388190.09 970.0 – C57
2019-12-05 05:14:24 S 04 45 08.527 +42 26 18.20 – V C57
2019-12-05 05:14:24 s 1 -77230.668 0 +387444.39 5280.0 – C57