Apparent magnitude

(geometric) or 0.25 (bond) Surface temperature:    Kelvin    Celsius Apparent magnitude +1.8 to −2.91 Angular size 3.5—25.1" Adjectives Martian Atmosphere...

003 m/s2 (306 µg) Escape velocity 5.556 m/s (20 km/h) Synodic rotation period Synchronous Albedo 0.068±0.007 Temperature ≈ 233 K Apparent magnitude 12.89...

(Bond) 0.52 (geom.) Surface temperature:    1 bar level    0.1 bar Apparent magnitude -1.6 to -2.94 Angular size 29.8" — 50.1" Adjectives Jovian Atmosphere...