Orrery
Sébastien Poirier (Strasbourg 1999), Joachim Köppen (Kiel 2000, 2025)


Some brief explanations


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Obs.
long. [W] lat. [N]
Date [YMD]
Time [UT]    :
      day of year   JD
Local Sidereal Time



Show field in:

Object:
RaDec
AzEl
angle pole-to-zenith


Mouse position:
Xspan     Y

Mouse position:



Rising time
Culmination time
Setting time

date & time

Right Ascension
Declination
Heliocentric longitude
Heliocentric latitude
Geocentric (Ecliptic) longitude
Geocentric (Ecliptic) latitude
Azimuth
Elevation

Distance from Sun
Distance from Earth
Light travel time

Orbital speed
Radial velocity

Magnitude
Illuminated fraction
Phase angle
Polar diameter
Angular diameter

Visible pole
Latitude of disc centre
Size of rings
Interval: no.data:
Output: