2009 EF1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3732053000 ± 2.00e+00
Semi-major axis (a)1.3790070000 AU ± 3.00e+00
Inclination (i)12.55134000° ± 4.00e+00
Long. of Asc. Node (Ω)350.01593000° ± 5.00e+00
Arg. of Perihelion (ω)108.98275000° ± 6.00e+00
Mean Anomaly (M)147.44099000°
Mean Motion (n)0.6086314189°/day ± 1.99e+00
Perihelion dist (q)0.86435430 AU ± 3.34e+00
Aphelion dist (Q)1.89365970 AU ± 4.96e+00
Orbital Period1.61938350 yr ± 5.28e+00
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty
Orbit TypeApollo
MOID0.038542 AU
Observations Used18
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-03-05
Observations (18)
Date Type RA Dec Mag Band Observatory
2009-03-03 09:46:42 C 13 56 07.36 +20 22 46.9 r 703
2009-03-03 09:56:19 C 13 55 58.11 +20 20 51.7 r 703
2009-03-03 10:15:47 C 13 55 39.18 +20 16 51.1 r 703
2009-03-03 11:05:12 C 13 54 47.75 +20 06 17.2 o H55
2009-03-03 11:06:36 C 13 54 50.18 +20 06 30.3 r 703
2009-03-03 11:07:15 C 13 54 49.50 +20 06 22.2 r 703
2009-03-03 11:07:20 C 13 54 45.72 +20 05 51.0 o H55
2009-03-03 11:07:53 C 13 54 48.85 +20 06 14.2 r 703
2009-03-03 11:08:31 C 13 54 48.24 +20 06 07.1 r 703
2009-03-03 11:09:27 C 13 54 43.68 +20 05 24.9 o H55
2009-03-03 11:49:59 C 13 54 08.35 +19 57 35.8 c 854
2009-03-03 11:53:53 C 13 54 04.60 +19 56 48.5 c 854
2009-03-03 11:57:48 C 13 54 00.84 +19 56 00.5 c 854
2009-03-03 12:17:50 C 13 53 41.31 +19 51 48.0 v H01
2009-03-03 12:20:30 C 13 53 38.78 +19 51 15.2 v H01
2009-03-03 12:23:34 C 13 53 35.89 +19 50 37.7 v H01
2009-03-05 23:37:27 C 13 08 08.95 +08 46 58.3 r J95
2009-03-05 23:40:57 C 13 08 06.63 +08 46 22.8 r J95