Project Apollo - NASSP (also known as NASSP or NCPP) is an add-on for the Orbiter space flight simulator. Project Apollo simulates the Apollo missions to Earth orbit and the Moon and the planned post-Apollo missions that never flew.
displays the current phase of the Moon as an applet for the gnome panel. Clicking on the applet displays sundry data pertaining to the moon including various clock functions. The user can select between a real image as well as a cartoon image of the moon
kepler is a library of C routines for astronomical calculations. It features the following:
* The entire VSOP87 theory for calculating the positions of the eight planets.
* The entire ELP 2000-82B theory for calculating the position of the Moon.
* An analytical theory for calculating Pluto's
... [More] position for the period 1700AD-2100AD.
* The ability to convert osculating orbital elements to heliocentric coordinates.
* The latest IAU 2006 precession and IAU 2000A nutation models.
* Routines for calculating sidereal time using the current IAU resolutions.
* An implementation of the Ron/Vondrak theory of annual aberration.
* Routines for Julian date calculations.
* Routines for coordinate transformations, rotations and parallax corrections. [Less]
Advanced date, time and interval library for Java
Main focus on extending/improving java.time with
- many additional calendars,
- built-in internationalization based on CLDR-data,
- high-performance format and parse engine,
- duration formatting (pattern-based or localized),
-
... [More] date/time-interval arithmetic,
- astronomy calculations for sun and moon,
- support for various time scales (UTC, TAI, TT, UT1, POSIX) [Less]
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