2008 EF9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5975732000
Semi-major axis (a)2.1483484000 AU
Inclination (i)6.62698000°
Long. of Asc. Node (Ω)152.46212000°
Arg. of Perihelion (ω)77.07663000°
Mean Anomaly (M)209.23462000°
Mean Motion (n)0.3130019100°/day
Perihelion dist (q)0.86455300 AU
Aphelion dist (Q)3.43214380 AU
Orbital Period3.14888700 yr
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.440″
Uncertainty5
Orbit TypeApollo
MOID0.051103 AU
Observations Used62
Oppositions1
Arc Total
First Observation Used
Last Observation Used2008-03-13
Observations (69)
Date Type RA Dec Mag Band Observatory
2008-02-10 09:09:18 C 10 08 22.30 +06 55 27.6 r G96
2008-02-10 09:21:33 C 10 08 22.12 +06 55 34.8 r G96
2008-02-10 09:40:51 C 10 08 21.76 +06 55 46.4 r G96
2008-02-10 09:56:19 C 10 08 21.55 +06 55 55.4 r G96
2008-03-08 05:23:26 C 09 44 04.81 +28 06 09.5 19.3 c 704
2008-03-08 05:39:16 C 09 44 02.92 +28 07 32.1 19.8 c 704
2008-03-08 05:55:05 C 09 44 01.08 +28 08 54.2 19.4 c 704
2008-03-08 06:10:57 C 09 43 59.15 +28 10 19.4 19.2 c 704
2008-03-08 06:26:47 C 09 43 57.23 +28 11 39.8 19.9 c 704
2008-03-08 21:02:27 C 09 42 30.56 +29 30 09.8 o 246
2008-03-08 21:03:16 C 09 42 30.46 +29 30 13.2 o 246
2008-03-08 21:03:56 C 09 42 30.27 +29 30 17.7 o 246
2008-03-08 21:05:30 C 09 42 30.11 +29 30 26.7 o 246
2008-03-08 21:06:13 C 09 42 30.06 +29 30 30.6 o 246
2008-03-08 21:06:59 C 09 42 29.97 +29 30 34.5 o 246
2008-03-08 21:07:45 C 09 42 29.86 +29 30 39.0 o 246
2008-03-08 21:57:54 C 09 42 23.77 +29 35 20.2 o 046
2008-03-08 22:01:13 C 09 42 23.43 +29 35 37.3 o 046
2008-03-08 22:05:40 C 09 42 22.70 +29 36 05.2 o 046
2008-03-08 22:06:55 C 09 42 22.56 +29 36 07.3 o 046
2008-03-09 03:05:15 C 09 41 52.88 +30 04 33.0 o H55
2008-03-09 03:08:08 C 09 41 52.50 +30 04 49.5 o H55
2008-03-09 03:10:58 C 09 41 52.15 +30 05 06.0 o H55
2008-03-09 04:12:31 C 09 41 46.26 +30 11 09.6 c 651
2008-03-09 04:13:35 C 09 41 46.10 +30 11 15.7 c 651
2008-03-09 04:36:50 C 09 41 40.45 +30 13 35.3 o H68
2008-03-09 04:40:46 C 09 41 42.50 +30 13 52.8 r G96
2008-03-09 04:43:59 C 09 41 39.53 +30 14 16.2 o H68
2008-03-09 04:47:13 C 09 41 41.67 +30 14 30.2 r G96
2008-03-09 04:53:44 C 09 41 40.81 +30 15 08.2 r G96
2008-03-09 05:00:23 C 09 41 39.91 +30 15 47.1 r G96
2008-03-09 05:01:24 C 09 41 37.23 +30 15 56.4 o H68
2008-03-09 05:24:10 C 09 41 36.43 +30 18 04.1 19.3 c 704
2008-03-09 05:40:16 C 09 41 34.24 +30 19 37.7 19.7 c 704
2008-03-09 05:56:17 C 09 41 32.15 +30 21 11.3 19.3 c 704
2008-03-09 06:12:11 C 09 41 30.02 +30 22 43.0 19.3 c 704
2008-03-09 19:35:47 C 09 40 01.43 +31 42 30.3 r J95
2008-03-09 19:39:54 C 09 40 00.86 +31 42 56.3 r J95
2008-03-09 19:43:58 C 09 40 00.33 +31 43 21.2 r J95
2008-03-09 21:27:27 C 09 39 44.99 +31 54 17.9 o B03
2008-03-09 21:41:33 C 09 39 42.98 +31 55 45.1 o B03
2008-03-09 21:47:11 C 09 39 42.24 +31 56 19.9 o B03
2008-03-09 21:52:50 C 09 39 41.48 +31 56 55.2 o B03
2008-03-10 03:42:27 C 09 38 58.74 +32 34 04.2 r H85
2008-03-10 04:08:25 C 09 38 54.85 +32 36 51.0 r H85
2008-03-10 04:34:25 C 09 38 50.95 +32 39 38.4 r H85
2008-03-10 05:00:28 C 09 38 47.06 +32 42 25.2 r H85
2008-03-10 05:07:57 C 09 38 48.78 +32 43 23.1 19.6 c 704
2008-03-10 05:24:12 C 09 38 46.33 +32 45 08.7 19.9 c 704
2008-03-10 05:40:12 C 09 38 43.88 +32 46 51.1 19.6 c 704