The planet Mars

Image of Mars
© NASA/Hubble Space Telescope
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From Seattle , Mars is not observable – it will reach its highest point in the sky during daytime and is no higher than 7° above the horizon at dusk.

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Name Mars
Object Type Superior Planet
Current Position
Constellation:Cancer
Magnitude:1.80 (V) [1]
Absolute mag (H):-1.46 [1]
Slope parameter (n):2.00 [1]
Right ascension:08h33m [2]
Declination:+20°05' [2]
Distance:2.38 AU
19.77 lightmin [2]
Orbital Elements [2]
Semi-major axis:1.52 AU
Eccentricity:0.093412
Inclination:1.85°
Longitude ascending node:49.58°
Argument of perihelion:286.46°
Epoch of elements:01 January 2000
Mean Anomaly at epoch:19.41°
Derived quantities
Perihelion:1.38 AU
Aphelion:1.67 AU
Orbital period:1.88 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 Seattle

All times shown in Seattle local time.

Events
12 Jul 2021  –  Mars at aphelion
20 Sep 2021  –  Mars at apogee
07 Oct 2021  –  Mars at solar conjunction
31 Dec 2021  –  Lunar occultation of Mars
21 Jun 2022  –  Mars at perihelion
22 Jun 2022  –  Lunar occultation of Mars
21 Jul 2022  –  Lunar occultation of Mars
30 Oct 2022  –  Mars enters retrograde motion
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