|Star Chart for Phoenix, AZ|
|Sun/Moon Data for Phoenix, AZ:|
DIY Sunspot Viewer
83% illuminated - Waxing Gibbous Moon
Moonrise: 1503 (13 Dec 2013)
New Moon: Wed 01 Jan 2014 0415 MST
Full Moon: Tue 17 Dec 2013 0229 MST
Graph courtesy: Newquay Weather
The Sun contains over 99.8 percent of the total material (mass) in our Solar System, while Jupiter contains most of the rest.
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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.