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
2019-06-03 18:44:31 s 1 -141154.48 8 -23113.678 4080.0 C57
2019-06-03 19:44:31 S 15 51 17.222 -39 34 04.33 V C57
2019-06-03 19:44:31 s 1 -136820.05 9 -28310.253 370.0 C57
2019-06-05 22:44:31 S 15 45 27.142 -39 04 51.42 V C57
2019-06-05 22:44:31 s 1 +155029.91 0 +53882.083 6590.0 C57
2019-06-05 23:14:31 S 15 45 24.425 -39 04 31.15 V C57
2019-06-05 23:14:31 s 1 +155747.13 7 +56821.485 6520.0 C57
2019-06-05 23:44:31 S 15 45 21.862 -39 04 11.64 V C57
2019-06-05 23:44:31 s 1 +156428.92 3 +59747.981 6220.0 C57
2019-06-06 00:14:31 S 15 45 19.178 -39 03 48.56 V C57
2019-06-06 00:14:31 s 1 +157076.13 0 +62661.293 8850.0 C57
2019-06-06 00:44:31 S 15 45 16.442 -39 03 28.30 V C57
2019-06-06 00:44:31 s 1 +157689.59 6 +65561.171 7500.0 C57
2019-06-06 01:14:31 S 15 45 13.783 -39 03 06.41 V C57
2019-06-06 01:14:31 s 1 +158270.13 1 +68447.383 5170.0 C57
2019-06-06 01:44:31 S 15 45 11.198 -39 02 45.35 V C57
2019-06-06 01:44:31 s 1 +158818.52 3 +71319.723 4790.0 C57
2019-06-06 02:14:31 S 15 45 08.525 -39 02 24.65 V C57
2019-06-06 02:14:31 s 1 +159335.53 9 +74178.000 9210.0 C57
2019-06-06 02:44:31 S 15 45 05.839 -39 02 03.23 V C57
2019-06-06 02:44:31 s 1 +159821.91 9 +77022.045 1200.0 C57
2019-06-06 03:14:31 S 15 45 03.118 -39 01 41.23 V C57
2019-06-06 03:14:31 s 1 +160278.38 5 +79851.703 3490.0 C57
2019-06-06 03:44:31 S 15 45 00.502 -39 01 19.96 V C57
2019-06-06 03:44:31 s 1 +160705.63 5 +82666.838 8700.0 C57
2019-06-06 04:14:31 S 15 44 57.890 -39 00 57.53 V C57
2019-06-06 04:14:31 s 1 +161104.35 0 +85467.326 9410.0 C57
2019-06-06 04:44:31 S 15 44 55.195 -39 00 39.06 V C57
2019-06-06 04:44:31 s 1 +161475.18 8 +88253.058 8130.0 C57
2019-06-06 05:14:31 S 15 44 52.771 -39 00 16.02 V C57
2019-06-06 05:14:31 s 1 +161818.78 8 +91023.937 7280.0 C57
2019-06-06 05:44:31 S 15 44 50.158 -38 59 55.14 V C57
2019-06-06 05:44:31 s 1 +162135.77 3 +93779.880 9240.0 C57
2019-06-06 06:14:31 S 15 44 47.304 -38 59 34.98 V C57
2019-06-06 06:14:31 s 1 +162426.74 5 +96520.813 6340.0 C57
2019-06-06 06:44:31 S 15 44 44.791 -38 59 15.54 V C57
2019-06-06 06:44:31 s 1 +162692.29 0 +99246.673 820.0 C57
2019-06-06 07:14:31 S 15 44 42.173 -38 58 50.92 V C57
2019-06-06 07:14:31 s 1 +162932.97 8 +101957.40 4880.0 C57
2019-06-06 07:44:31 S 15 44 39.598 -38 58 30.58 V C57
2019-06-06 07:44:31 s 1 +163149.36 0 +104652.96 660.0 C57
2019-06-06 08:14:31 S 15 44 36.869 -38 58 09.98 V C57
2019-06-06 08:14:31 s 1 +163341.97 5 +107333.32 250.0 C57
2019-06-06 08:44:31 S 15 44 34.363 -38 57 47.95 V C57
2019-06-06 08:44:31 s 1 +163511.34 4 +109998.44 5670.0 C57
2019-06-06 09:14:31 S 15 44 31.802 -38 57 28.01 V C57
2019-06-06 09:14:31 s 1 +163657.97 3 +112648.30 8900.0 C57
2019-06-06 09:44:31 S 15 44 29.170 -38 57 05.26 V C57
2019-06-06 09:44:31 s 1 +163782.35 6 +115282.89 1870.0 C57
2019-06-06 10:14:31 S 15 44 26.606 -38 56 42.58 V C57