Lunar Data

O

ur only satellite, the moon makes a beautiful object to observe as it makes its journey around us. Here, you can find the phase for the month, the rise and set times, and reports showing additional information that may be if use

Remember to send in your observations, images or sketches to share with the rest of the society!

Basic Data

  • Mass: 7.349e+22 kg
  • Mass (Earth=1): 0.012298
  • Equatorial Radius: 1734.4 km (1084 miles)
  • Equatorial Radius (Earth=1): 0.27241
  • Mean Density: 3.34gm/cm3
  • Mean Distance from Earth: 384,400 km (240,250 miles)
  • Rotational Period:27.32166 days
  • Orbital Period: 27.32166 days
  • Avg Lunar Day: 29.53059 days
  • Magnitude: -17.74
  • Axial Tilt: 1.5424 deg
  • Orbital Inclination: 5.1454 deg

Reports

These link to reports that can be printed directly from the web page, to help with your observations. They are all timed at 20:00 UTC from Bedford, and are produced from Deep Sky Planner from Knightware

2017 August Phases

Apogee and Perigee Table

How to use the tables

New and Full Moon Table


To calculate for a different year, change the value and click 'Calculate'

Year:

Adapted from John Walker of Fourmilab.ch Reproduced with permission