Mars (Planet)

Image of Mars
© NASA/Hubble Space Telescope
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From Cambridge , Mars will become visible at around 20:43 (EDT), 50° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:30.

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Name Mars
Object type Superior planet
Current position
Computed for:13 May 2025
Right ascension:08h55m [2]
Declination:+19°09' [2]
Constellation:Cancer
Magnitude:1.10 (V) [1]
Angular diameter:6.1 arcsec[2]
Distance:1.53 AU
12.75 lightmin [2]
Angular motion (speed):29.53 arcmin/day[2]
Angular motion (pos ang):108.1°
Orbital elements [2]
Semi-major axis:1.52 AU
Eccentricity:0.093394
Inclination:1.85°
Longitude ascending node:49.56°
Argument of perihelion:-73.50°
Epoch of elements:01 January 2000
Mean Anomaly at epoch:19.39°
Absolute mag (H):-1.46 [1]
Slope parameter (n):2.00 [1]
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, 2013, Urban & Seidelmann, Eds., Table 8.7, ISBN 978-1-891389-85-6
Visibility from Cambridge

All times shown in Cambridge local time.

Events
16 Apr 2025  –  Mars at aphelion
29 Jun 2025  –  Lunar occultation of Mars
30 Nov 2025  –  Mars at apogee
09 Jan 2026  –  Mars at solar conjunction
26 Mar 2026  –  Mars at perihelion
05 Oct 2026  –  Lunar occultation of Mars
02 Nov 2026  –  Lunar occultation of Mars
10 Jan 2027  –  Mars enters retrograde motion
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Cambridge

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42.38°N
71.11°W
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