(Julian day number 2458408.41667)
Location:
Local Information
Apparent top centric coordinates for the epoch of date:
Right ascension: 21h 5m
51.16s
Declination: -19° 46'
55.9"
Constellation: Capricorn
Altitude: 7° 59'
2"
Azimuth: 222° 12'
3"
Rise: 16h 44m 56s
Transit: 20h 58m 17s
Set: 1h 12m 46s
Star atlas chart numbers:
Herald-Bobroff. Astro-atlas, Chart C-59
Millennium Star Atlas,
Charts 1359-1360 (Vol. III)
Sky Atlas 2000.0,
Chart 17
Uranometria 2000
Chart 345, Vol. 2
Geocentric
Information
Apparent geocentric coordinates for the epoch of date:
Right ascension: 21h 5m
51.546s
Declination: -19° 46'
44.54"
True distance: 0.6881774 AU
(103 million km)
Horizontal parallax: 12.78"
Heliocentric
Information
Ecliptic coordinates for the epoch of date:
Ecliptic longitude: 355° 41'
0.6"
Ecliptic latitude: -1° 29'
48.9"
Radius vector: 1.3880452 AU
(208 million km)
Physical Information
Magnitude: -0.9
Phase: 0.868
Phase angle: 42.6°
Elongation: 109.6°
Diameter: 13.60"
Light time: 0h 5m 43.4s
Center of disk: at long
4.9°, lat -17.3°
Position angle of the North Pole: 0.8°
Position angle of the bright limb: 252.1°
The South Pole is tilted towards the Earth
The South Pole is sunlit
Mass:
6.4191e+023 kg (0.1074 x Earth)
Mean equatorial radius: 3397
km (0.5326 x Earth)
Maximum angular diameter:
17.9"
Minimum geocentric distance: 0.524 AU
Geometric flattening:
0.006476
Sidereal rotation period: 1d 0h
37m 23s
Mean density: 3.94
g/cm^3
Geometric albedo: 0.150
Equatorial radius 3,396.9 kilometres
Polar radius 3,376.1 kilometres
Geometric flattening 0.006 12
Dynamical flattening 0.005 25
Surface area 1.44(10^8) square
kilometres
Volume 1.63(10^11) cubic
kilometres
Mass 6.418 (10^23)
kilograms
Mean surface gravity 372 centimetres per second squared
Mean density 3.75 grams per cubic
centimetre
Mean escape velocity 5.022 kilometres per second
Martian (sidereal) day 24 h 37 min 22.663 s
Mean Martian solar day 24 h 39 min 36 s
Direction of North Pole (1980) Deneb.
Right ascension 21 h 9.2 min
Declination +52 degrees 41.6 minutes
Pole star BD 52 degrees 2880
Inclination of equator to orbit:24.936
degrees
Visual albedo 0.159
Visual mag. at mean opposition -2.01
Magnetic moment less than 2(10^21) gauss
square centimetres
Central pressure 350-400 kilobars
Chicago Institute for Interplanetary travel. (CIFIT).
