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
2019-12-13 14:44:24 s 1 +124399.84 0 +257546.33 2110.0 C57
2019-12-13 15:14:24 S 04 33 27.650 +37 13 03.36 V C57
2019-12-13 15:14:24 s 1 +123758.26 5 +259296.20 8740.0 C57
2019-12-13 15:44:24 S 04 33 25.884 +37 12 24.48 V C57
2019-12-13 15:44:24 s 1 +123109.91 8 +261032.44 5400.0 C57
2019-12-13 16:14:24 S 04 33 24.132 +37 11 46.18 V C57
2019-12-13 16:14:24 s 1 +122454.91 6 +262755.13 2420.0 C57
2019-12-13 17:14:24 S 04 33 20.602 +37 10 26.94 V C57
2019-12-13 17:14:24 s 1 +121125.41 0 +266160.19 8830.0 C57
2019-12-13 17:44:24 S 04 33 18.823 +37 09 48.35 V C57
2019-12-13 17:44:24 s 1 +120451.13 1 +267842.73 8840.0 C57
2019-12-13 18:14:24 S 04 33 17.059 +37 09 09.04 V C57
2019-12-13 18:14:24 s 1 +119770.64 7 +269512.04 450.0 C57
2019-12-13 18:44:24 S 04 33 15.295 +37 08 30.30 V C57
2019-12-13 18:44:24 s 1 +119084.06 5 +271168.21 3950.0 C57
2019-12-13 19:44:24 S 04 33 11.789 +37 07 11.82 V C57
2019-12-13 19:44:24 s 1 +117693.02 6 +274441.41 7780.0 C57
2019-12-13 20:44:24 S 04 33 08.266 +37 05 53.56 V C57
2019-12-13 20:44:24 s 1 +116278.82 4 +277662.94 2550.0 C57
2019-12-13 21:44:24 S 04 33 04.843 +37 04 36.16 V C57
2019-12-13 21:44:24 s 1 +114842.24 2 +280833.37 390.0 C57
2019-12-13 22:44:24 S 04 33 01.394 +37 03 19.01 V C57
2019-12-13 22:44:24 s 1 +113384.03 3 +283953.29 3330.0 C57
2019-12-13 23:44:24 S 04 32 57.917 +37 02 00.60 V C57
2019-12-13 23:44:24 s 1 +111904.91 9 +287023.23 3330.0 C57
2019-12-14 00:14:24 S 04 32 56.177 +37 01 21.00 V C57
2019-12-14 00:14:24 s 1 +111157.74 3 +288539.63 5310.0 C57
2019-12-14 00:44:24 S 04 32 54.456 +37 00 41.94 V C57
2019-12-14 00:44:24 s 1 +110405.60 0 +290043.74 2250.0 C57
2019-12-14 01:14:24 S 04 32 52.726 +37 00 02.70 V C57
2019-12-14 01:14:24 s 1 +109648.57 4 +291535.62 4370.0 C57
2019-12-14 01:44:24 S 04 32 51.007 +36 59 23.35 V C57
2019-12-14 01:44:24 s 1 +108886.74 7 +293015.33 1890.0 C57
2019-12-14 02:14:24 S 04 32 49.308 +36 58 44.87 V C57
2019-12-14 02:14:24 s 1 +108120.20 0 +294482.95 5020.0 C57
2019-12-14 02:44:24 S 04 32 47.616 +36 58 06.28 V C57
2019-12-14 02:44:24 s 1 +107349.01 1 +295938.52 3980.0 C57
2019-12-14 03:14:24 S 04 32 45.926 +36 57 27.14 V C57
2019-12-14 03:14:24 s 1 +106573.25 8 +297382.12 8970.0 C57
2019-12-14 03:44:24 S 04 32 44.119 +36 56 47.04 V C57
2019-12-14 03:44:24 s 1 +105793.01 7 +298813.80 180.0 C57
2019-12-14 04:14:24 S 04 32 42.434 +36 56 08.27 V C57
2019-12-14 04:14:24 s 1 +105008.36 4 +300233.62 7830.0 C57
2019-12-14 04:44:24 S 04 32 40.778 +36 55 29.86 V C57
2019-12-14 04:44:24 s 1 +104219.37 2 +301641.64 2090.0 C57
2019-12-14 05:14:24 S 04 32 39.108 +36 54 50.62 V C57
2019-12-14 05:14:24 s 1 +103426.11 3 +303037.93 3160.0 C57
2019-12-14 05:44:24 S 04 32 37.349 +36 54 11.41 V C57
2019-12-14 05:44:24 s 1 +102628.66 0 +304422.52 1230.0 C57
2019-12-14 06:14:24 S 04 32 35.657 +36 53 31.67 V C57