|Star Chart for Phoenix, AZ|
|Sun/Moon Data for Phoenix, AZ:|
DIY Sunspot Viewer
1% illuminated - New Moon
Moonrise: 05:26 (26 Jul 2014)
New Moon: Sat 26 Jul 2014 1542 MST
Full Moon: Sat 12 Jul 2014 0425 MST
Graph courtesy: Newquay Weather
Made up of billions of pieces of ice, the average thickness of each of Saturn's seven giant rings only ranges from about 200 to 3000 meters.
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Space Track-Satellite Passes
Notes about viewing ESVs:
When using lookangles, choose passes with high magnitudes; less than 6.0. ("Looks" are local time.)
Best viewing is when ESV is in Earth's penumbra; on the map, it's the solid line during night.
Dotted line on map denotes ESV is dark, in Earth's umbra (shadow).
Objects in orbit have to maintain a speed of at least 17,500mph, therefore ESVs traverse the sky noticeably different than aircraft.
ESVs appearing to blink are either tumbling rocket bodies, or spinning payloads with deployed solar arrays.
High-Eccentricity objects have a more ellongated orbit. Ground trace looks like a backwards C.
Regression-Ground traces will move West with each orbit due to Earth's rotation.
Script courtesy of: Lee from Page template and Facts script courtesy of:
Page Template and Moon script courtesy of: Graph base code courtesy of: jpGraph.