The planet Mercury

Image of Mercury
© NASA/JPL/MESSENGER
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From Ashburn (click to change), Mercury is not readily observable since it is very close to the Sun, at a separation of only 1° from it.

Name Mercury
Object Type Inferior Planet
Current Position
Constellation:Ophiuchus
Brightness (V):Mag 5.9
Right Ascension:17h21m
Declination:-21°26'
Source for position: Computed using orbital elements from Robin M. Green, Spherical Astronomy, 1985, ISBN 0-521-31779-7
Orbital Elements
Semi-major axis:0.39 AU
Eccentricity:0.205629
Inclination:7.01°
Longitude ascending node:48.35°
Argument of perihelion:29.08°
Epoch of elements:14 January 1985
Mean Anomaly at epoch:132.23°
Source: Robin M. Green, Spherical Astronomy, 1985, ISBN 0-521-31779-7
Derived quantities
Perihelion:0.31 AU
Aphelion:0.47 AU
Orbital period:0.24 years
Events
23 Nov 2017, 21:22 EST  –  Mercury at greatest elongation east
01 Jan 2018, 19:40 EST  –  Mercury at greatest elongation west
15 Mar 2018, 06:18 EDT  –  Mercury at greatest elongation east
29 Apr 2018, 11:06 EDT  –  Mercury at greatest elongation west
12 Jul 2018, 00:00 EDT  –  Mercury at greatest elongation east
26 Aug 2018, 17:48 EDT  –  Mercury at greatest elongation west
06 Nov 2018, 09:59 EST  –  Mercury at greatest elongation east
15 Dec 2018, 10:17 EST  –  Mercury at greatest elongation west
Printable finder charts
The path traced across the sky by Mercury in 2017

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

Color scheme