Terms by letter

All terms | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

declination

The angular distance from the equator to the satellite, measured as positive north and negative south.
Source: NASA (http://earthobservatory.nasa.gov/Glossary)