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
2009-12-17 07:23:03 C 08 54 05.05 +15 30 18.4 18.7 c 704
2009-12-17 07:40:53 C 08 54 04.19 +15 30 16.6 19.0 c 704
2009-12-17 07:58:45 C 08 54 03.43 +15 30 16.3 19.5 c 704
2009-12-17 08:16:27 C 08 54 02.52 +15 30 14.2 19.0 c 704
2009-12-17 08:34:10 C 08 54 01.68 +15 30 13.2 18.7 c 704
2010-01-06 01:49:26 C 08 25 10.27 +15 11 44.2 18.5 u C20
2010-01-06 08:29:48 C 08 24 41.79 +15 11 46.3 r 703
2010-01-06 08:37:16 C 08 24 41.22 +15 11 46.2 r 703
2010-01-06 08:44:46 C 08 24 40.71 +15 11 46.3 r 703
2010-01-06 08:52:18 C 08 24 40.17 +15 11 46.8 r 703
2010-01-07 23:15:10 C 08 21 53.45 +15 11 55.4 18.9 u C20
2010-01-07 23:17:17 C 08 21 53.29 +15 11 55.5 19.0 u C20
2010-01-08 05:14:02 C 08 21 27.78 +15 11 58.9 o 691
2010-01-08 05:39:33 C 08 21 25.88 +15 11 59.3 o 691
2010-01-08 21:10:37 C 08 20 17.74 +15 12 06.0 18.3 u C20
2010-01-09 01:27:45 C 08 19 58.56 +15 12 07.7 18.9 u C20
2010-01-09 21:30:57 C 08 18 30.76 +15 12 21.2 19.0 u C20
2010-01-12 09:21:49 C 08 14 06.54 +15 13 12.6 r G96
2010-01-12 09:31:16 C 08 14 05.82 +15 13 12.8 r G96
2010-01-12 09:40:39 C 08 14 05.10 +15 13 13.0 r G96
2010-01-12 09:50:07 C 08 14 04.41 +15 13 13.2 r G96
2010-01-13 06:18:51 C 08 12 34.40 +15 13 34.8 18.9 c 704
2010-01-13 06:36:23 C 08 12 32.97 +15 13 35.8 18.7 c 704
2010-01-13 06:53:40 C 08 12 31.66 +15 13 35.6 19.0 c 704
2010-01-13 07:10:56 C 08 12 30.36 +15 13 35.5 18.8 c 704
2010-01-13 07:28:15 C 08 12 29.11 +15 13 36.5 18.7 c 704
2010-01-15 08:06:23 C 08 08 54.88 +15 14 32.7 r 703
2010-01-15 08:16:59 C 08 08 54.16 +15 14 33.0 r 703
2010-01-15 08:27:48 C 08 08 53.23 +15 14 34.1 r 703
2010-01-15 08:38:38 C 08 08 52.47 +15 14 34.2 r 703
2010-01-18 06:30:04 C 08 03 48.49 +15 16 12.0 18.8 c 704
2010-01-18 06:48:04 C 08 03 47.17 +15 16 11.5 18.7 c 704
2010-01-18 07:06:07 C 08 03 45.88 +15 16 12.0 18.9 c 704
2010-01-18 07:24:10 C 08 03 44.54 +15 16 13.2 18.8 c 704
2010-01-18 07:42:13 C 08 03 43.20 +15 16 13.6 19.0 c 704
2010-01-19 00:25:56 C 08 02 31.23 +15 16 36.6 w 160
2010-01-19 00:29:51 C 08 02 30.95 +15 16 35.1 w 160
2010-01-19 00:33:29 C 08 02 30.69 +15 16 35.5 w 160
2010-01-21 23:46:18 C 07 57 30.31 +15 18 28.0 u 160
2010-01-21 23:50:08 C 07 57 30.04 +15 18 28.5 u 160
2010-01-21 23:54:02 C 07 57 29.77 +15 18 28.2 u 160
2010-01-23 23:00:16 C 07 54 16.94 +15 19 45.4 18.4 u C20
2010-01-23 23:02:24 C 07 54 16.81 +15 19 45.7 18.6 u C20
2010-02-12 05:12:40 C 07 29 19.73 +15 31 55.9 19.1 c 704
2010-02-12 05:30:27 C 07 29 18.97 +15 31 55.9 19.2 c 704
2010-02-12 05:48:02 C 07 29 18.31 +15 31 56.5 19.5 c 704
2010-02-12 06:05:35 C 07 29 17.62 +15 31 56.6 19.9 c 704
2010-02-12 06:23:07 C 07 29 16.88 +15 31 56.8 19.6 c 704
2010-02-18 05:18:49 C 07 24 31.40 +15 34 51.3 20.1 c 704
2010-02-18 05:36:28 C 07 24 30.86 +15 34 50.4 20.1 c 704