Mercury (Planet)
From Seattle , Mercury will become visible at around 19:38 (PDT), 10° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 1 hour and 26 minutes after the Sun at 20:45.
Name
Mercury
|
Object type
Inferior planet
|
Computed for: | 18 March 2024 |
Right ascension: | 00h50m [2] |
Declination: | +06°38' [2] |
Constellation: | Pisces |
Magnitude: | -0.95 (V) [1] |
Angular diameter: | 6.3 arcsec[2] |
Distance: | 1.08 AU 8.95 lightmin [2] |
Angular motion (speed): | 1.61 deg/day[2] |
Angular motion (pos ang): | 59.5° |
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] |
Perihelion: | 0.31 AU |
Aphelion: | 0.47 AU |
Orbital period: | 0.24 years |
[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 |
All times shown in Seattle local time.
28 Feb 2024 | – Mercury at superior solar conjunction |
17 Mar 2024 | – Mercury at perihelion |
22 Mar 2024 | – Mercury at dichotomy |
24 Mar 2024 | – Mercury at greatest elongation east |
25 Mar 2024 | – Mercury at highest altitude in evening sky |
11 Apr 2024 | – Mercury at inferior solar conjunction |
30 Apr 2024 | – Mercury at aphelion |
09 May 2024 | – Mercury at greatest elongation west |