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GeoAstro Applets |
Astronomy |
Chaos Game |
Java |
Miscel- laneous |
Applet: Rise and Set of the
Sun, Moon, and Planets
Planet Observer Applet
The bright planets Mercury,
Venus, Mars, Jupiter, Saturn
(the wanderers known to the ancients),
are the subjects of this applet. For an interval of time around the current date (+/- 1 month to +/- 6 month) the position of the planet on the local horizon is visualized at a certain instant before sunrise, or after sunset (1 hour to 7 hours). |
Click the applet first! Enter latitude in decimal degrees, northern positive, southern negative, enter longitude in decimal degrees, eastern positive, western negative, and press the button "Apply input" 52.51° N, 13.41° E is Berlin, Germany. |
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Check your time zone offset and select the local standard time. |
Select the
instant of observation, and the interval of time. |
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For the date
and time the position of the planet is indicated by a
dot, the Sun's position yellow, the Moon gray (light
or dark). The illuminated fraction of the Moon (%) is
also indicated. |
Mercury,
Venus, Mars, Jupiter, and Saturn. |
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Using the
"Date", "Hours", or "Minutes" menu you may leave the
instants valid for the graph. |
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Use the button
"Today" to return to the time of observation. |
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You may use the menu items (working in toggle mode) to zoom the azimuth, "West" (azimuth 270°) for observations after sunset, or "East" (azimuth 90°) for observations before sunrise. | |
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You may use the keys "y", "m", "d", "h", "n" to increase the year, month, date, hour, or minute, or Shift key and "y", "m", "d", "h", "n" to decrease the year, month, date, hour, or minute ! |
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Planet Applet Sun, Moon, and Planets Applet |
Last Modified: 2023, Oct 06
© 2010-2023 Juergen Giesen