Category:Astronomical coordinate systems

• Astronomical coordinate systems

A

• Almucantar
• Apparent longitude

B

• Barycenter (astronomy)
• Barycentric and geocentric celestial reference systems

C

• Circumpolar star
• Colure

D

• Declination

E

• Earth-centered inertial
• Earth-centered, Earth-fixed coordinate system
• Ecliptic
• Ecliptic coordinate system
• Equator
• Celestial equator
• Equatorial coordinate system
• Equinox (celestial coordinates)

F

• First point of Aries

G

• Galactic coordinate system
• Galactic quadrant
• Gaussian year
• Geocentric model

H

• Horizon
• Horizontal coordinate system
• Hour angle
• Hour circle

I

• International Celestial Reference System and its realizations
• Invariable plane

M

• Meridian (astronomy)

N

• Nadir
• Northern celestial hemisphere

O

• Orbital normal
• Orbital pole

P

• Parallactic angle
• Planetary coordinate system
• Polar distance (astronomy)
• Celestial pole
• Poles of astronomical bodies
• Position angle
• Prime vertical

R

• Right ascension
• Rotating reference frame

S

• Sidereal year
• Solar coordinate systems
• Solar longitude
• Southern celestial hemisphere
• Celestial sphere
• Standards of Fundamental Astronomy
• Subsolar point
• Supergalactic coordinate system

T

• Theoretical astronomy

V

• Vertical circle

Y

• Year zero

Z

• Zenith
• Zodiac