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Explosive > Orbit
The following information is about Orbit.
Orbit Defined
Orbit, path in space described by a smaller body revolving around a second, larger body where the motion of the orbiting body is dominated by their mutual gravitational attraction ( Celestial Mechanics; Gravitation; Kepler’s Laws). The size and shape of an orbit are specified by
(1) the semimajor axis (a length equal to half the greatest diameter of the orbit) and
(2) the eccentricity (the distance of the larger body from the center of the orbit divided by the length of the orbit's semimajor axis). The position of the orbit in space is determined by three factors:
(3) the inclination, or tilt, of the orbital plane to the reference plane (the ECLIPTIC for sun-orbiting bodies; a planet's Equator for natural and artificial satellites);
(4) the longitude of the ascending Node (measured from the vernal Equinox to the point where the smaller body cuts the reference plane moving south to north); and
(5) the argument of pericenter (measured from the ascending node in the direction of motion to the point at which the two bodies are closest).
These five quantities, plus the time of pericenter passage, are called orbital elements. The gravitational attractions of bodies other than the larger body causes perturbations in the smaller body's motions that can make the orbit shift, or precess, in space or cause the smaller body to wobble slightly.
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Off-site Orbit Links, User Submitted
The following links have been collected through user bookmark submission in the Orbit category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.
Sun Jul 5
- Coolest spacecraft ever In orbit: Europe's Planck observatory has reached its operating temperature of 273.05C - just a tenth of a degree above absolute zero making it the coldest object in space.
- World Sunlight Map
Sat Jul 4
Fri Jul 3
- Moon Landing Anniversary - Times Online: A huge section with interviews, features and video clips celebrating the 40th anniversary of the moon landing.
Thu Jul 2
- Cassini Equinox Mission: Present Position: The current position of the Cassini spacecraft orbiting Saturn. Includes simiulated views from the spacecraft.
- Dark Orbit Tips: I started playing this cool spaceship battle game call Dark Orbit and this site has a lot of useful tips and strategy that I think you have to visit if you are playing Dark Orbit. I have always like watching Star Trek, so this game gives me a chance to pilot my very own space ship. Very cool.
- Basic of Space Flight: Orbital Mechanics
- free server ART - SHOWTIME orbit 02/07/2009 ????? ?????: free server ART - SHOWTIME orbit 02/07/2009 ????? ????? free server ART - SHOWTIME orbit 02/07/2009 ????? ????? free server ART - SHOWTIME orbit 02/07/2009 ????? ?????
- Technical Reports
If you would like to find additional social bookmark based links on the topic of we recommend the Open Tag Directory > Orbit. If you would like to find related tags we recommend Tag Patterns > Orbit
Off-site Orbit Research Links
If you still need additional information on Orbit then we suggest the following off-site resources. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.
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