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
2008-03-10 05:56:29 C 09 38 41.38 +32 48 37.1 19.4 c 704
2008-03-10 06:12:54 C 09 38 38.90 +32 50 24.5 19.7 c 704
2008-03-10 07:10:52 C 09 38 30.29 +32 56 42.9 701
2008-03-10 07:20:28 C 09 38 28.84 +32 57 45.3 701
2008-03-10 07:36:32 C 09 38 26.34 +32 59 29.8 701
2008-03-10 07:52:28 C 09 38 23.97 +33 01 12.3 701
2008-03-11 05:12:39 C 09 35 30.29 +35 28 13.7 19.3 c 704
2008-03-11 05:28:49 C 09 35 27.43 +35 30 10.1 19.1 c 704
2008-03-11 05:44:30 C 09 35 24.61 +35 32 04.9 19.4 c 704
2008-03-11 06:00:36 C 09 35 21.78 +35 33 59.8 19.9 c 704
2008-03-11 06:16:12 C 09 35 18.96 +35 35 53.1 19.9 c 704
2008-03-13 21:16:58 C 09 23 03.55 +44 30 08.0 r 130
2008-03-13 21:21:01 C 09 23 02.31 +44 30 48.2 r 130
2008-03-13 21:24:55 C 09 23 01.33 +44 31 25.5 r 130
2008-03-13 22:00:40 C 09 22 50.98 +44 37 16.2 c A48
2008-03-13 22:03:19 C 09 22 50.17 +44 37 42.6 c A48
2008-03-13 22:05:59 C 09 22 49.37 +44 38 08.7 c A48
2008-03-13 22:08:55 C 09 22 48.52 +44 38 37.5 c A48
2008-03-13 22:11:18 C 09 22 47.83 +44 39 00.8 c A48