The planet Mercury
© NASA/JPL/MESSENGER
Finder chart
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From Fairfield , Mercury is not observable – it will reach its highest point in the sky during daytime and is no higher than 8° above the horizon at dawn.
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|
Name
Mercury
|
Object Type
Inferior Planet
|
Current Position
| Constellation: | Virgo |
| Magnitude: | 0.43 (V) [1] |
| Absolute mag (H): | -0.65 [1] |
| Slope parameter (n): | 2.00 [1] |
| Right ascension: | -12h-23m [2] |
| Declination: | -02°55' [2] |
| Distance: | 0.81 AU 6.78 lightmin [2] |
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° |
Derived quantities
| Perihelion: | 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 |
Visibility from Fairfield
All times shown in Fairfield local time.
Events
| 09 Oct 2021 | – Mercury at inferior solar conjunction |
| 19 Oct 2021 | – Mercury at perihelion |
| 23 Oct 2021 | – Mercury at dichotomy |
| 25 Oct 2021 | – Mercury at highest altitude in morning sky |
| 24 Oct 2021 | – Mercury at greatest elongation west |
| 28 Nov 2021 | – Mercury at superior solar conjunction |
| 02 Dec 2021 | – Mercury at aphelion |
| 07 Jan 2022 | – Mercury at greatest elongation east |
Printable finder charts
