Mercury (Planet)
© NASA/JPL/MESSENGER
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From Fairfield
,
Mercury is not readily observable since it is very close to the Sun, at a separation of only 2° from it.
Name
Mercury
|
Object type
Inferior planet
|
Orbital elements [2]Semi-major axis: | 0.39 AU |
Eccentricity: | 0.205631 |
Inclination: | 7.00° |
Longitude ascending node: | 48.33° |
Argument of perihelion: | 29.12° |
Epoch of elements: | 01 January 2000 |
Mean Anomaly at epoch: | 174.79° |
Absolute mag (H): | -0.65 [1] |
Slope parameter (n): | 2.00 [1] |
Derived quantitiesPerihelion: | 0.31 AU |
Aphelion: | 0.47 AU |
Orbital period: | 0.24 years |
Sources[1] | Robin M. Green, Spherical Astronomy, 1985, ISBN 0-521-31779-7 |
[2] | Explanatory Supplement to the Astronomical Almanac. 1992. K. P. Seidelmann, Ed., p.316 |
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All times shown in Fairfield local time.
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