The planet Mercury

Image of Mercury
© NASA/JPL/MESSENGER
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From Ashburn , Mercury is not observable – it will reach its highest point in the sky during daytime and is no higher than 7° above the horizon at dawn.

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Name Mercury
Object Type Inferior Planet
Current Position
Constellation:Libra
Magnitude:-0.71 (V) [1]
Absolute mag (H):-0.65 [1]
Slope parameter (n):2.00 [1]
Right ascension:15h14m [2]
Declination:-16°49' [2]
Distance:1.31 AU
10.86 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 Ashburn

All times shown in Ashburn local time.

Events
01 Nov 2020  –  Mercury at perihelion
08 Nov 2020  –  Mercury at dichotomy
09 Nov 2020  –  Mercury reaches highest point in morning sky
10 Nov 2020  –  Mercury at greatest elongation west
15 Dec 2020  –  Mercury at aphelion
19 Dec 2020  –  Mercury at superior solar conjunction
23 Jan 2021  –  Mercury at greatest elongation east
25 Jan 2021  –  Mercury at dichotomy
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Ashburn

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Longitude:
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39.04°N
77.49°W
EST

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