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
2001-12-14 02:17:13 C 22 00 11.88 +01 35 37.6 18.4 c 704
2001-12-14 02:38:52 C 22 00 16.58 +01 36 01.6 18.8 c 704
2002-01-04 17:16:50 C 23 51 05.34 +10 27 13.0 104
2002-01-04 17:21:48 C 23 51 06.30 +10 27 17.2 104
2002-01-04 17:24:31 C 23 51 06.71 +10 27 19.3 104
2002-01-04 17:27:10 C 23 51 07.37 +10 27 22.6 104
2002-01-05 18:13:14 C 23 56 05.03 +10 48 55.0 c 215
2002-01-05 18:14:00 C 23 56 05.13 +10 48 55.6 c 215
2002-01-05 18:14:48 C 23 56 05.37 +10 48 57.5 c 215
2002-01-14 18:11:36 C 00 37 40.28 +13 39 11.7 c 113
2002-01-14 18:13:19 C 00 37 40.61 +13 39 12.8 c 113
2002-01-14 18:47:57 C 00 37 47.14 +13 39 38.3 c 113
2002-01-14 18:52:01 C 00 37 47.65 +13 39 41.9 c 113
2002-02-02 19:08:30 C 01 55 23.01 +18 00 48.9 c 113
2002-02-02 19:11:53 C 01 55 23.50 +18 00 49.2 c 113
2002-02-02 19:13:35 C 01 55 23.77 +18 00 50.2 c 113
2002-02-02 19:15:17 C 01 55 24.06 +18 00 51.3 c 113
2003-02-28 14:34:41 C 11 07 15.73 -10 04 58.5 c 474
2003-02-28 14:40:10 C 11 07 15.42 -10 04 57.2 c 474
2003-02-28 14:46:20 C 11 07 15.21 -10 04 54.8 c 474
2004-12-08 01:19:14 C 09 38 37.61 +10 24 21.3 c 246
2004-12-08 01:20:23 C 09 38 37.57 +10 24 21.8 c 246
2004-12-08 01:21:31 C 09 38 37.56 +10 24 20.8 c 246
2004-12-08 01:22:42 C 09 38 37.54 +10 24 21.6 c 246
2004-12-08 01:23:46 C 09 38 37.53 +10 24 20.8 c 246
2004-12-08 01:25:16 C 09 38 37.52 +10 24 20.5 c 246
2004-12-08 01:26:25 C 09 38 37.50 +10 24 21.0 c 246
2004-12-08 01:27:54 C 09 38 37.49 +10 24 19.6 c 246
2005-01-07 09:10:17 C 09 14 37.95 +09 22 28.9 d 703
2005-01-07 09:18:00 C 09 14 37.59 +09 22 29.5 d 703
2005-01-07 09:25:41 C 09 14 37.10 +09 22 30.3 d 703
2005-01-07 09:33:21 C 09 14 36.66 +09 22 31.0 d 703
2005-01-08 00:08:05 C 09 13 48.61 +09 22 50.2 c 599
2005-01-08 00:22:25 C 09 13 47.79 +09 22 50.3 c 599
2005-01-08 00:36:45 C 09 13 46.89 +09 22 50.6 c 599
2005-01-08 00:51:05 C 09 13 46.16 +09 22 51.1 c 599
2005-01-13 08:13:48 C 09 06 22.71 +09 28 20.9 19.3 c 704
2005-01-13 08:53:00 C 09 06 20.25 +09 28 23.6 19.5 c 704
2005-01-13 09:11:35 C 09 06 19.12 +09 28 24.6 19.5 c 704
2005-01-13 09:31:17 C 09 06 17.83 +09 28 25.9 19.7 c 704
2005-02-02 07:01:33 C 08 36 08.29 +10 16 40.2 19.3 c 704
2005-02-02 07:21:12 C 08 36 07.01 +10 16 43.0 19.5 c 704
2005-02-02 07:40:16 C 08 36 05.82 +10 16 45.7 19.8 c 704
2005-02-02 07:59:38 C 08 36 04.59 +10 16 48.6 19.1 c 704
2007-01-16 01:48:55 C 22 50 50.10 +01 02 01.6 r 703
2007-01-16 01:55:55 C 22 50 51.54 +01 02 08.3 r 703
2007-01-16 02:02:59 C 22 50 52.87 +01 02 17.3 r 703
2007-01-16 02:10:05 C 22 50 54.06 +01 02 26.8 r 703
2008-01-25 09:24:41 C 11 13 01.74 -07 36 31.0 o H55
2008-01-25 09:32:34 C 11 13 01.42 -07 36 31.9 o H55