Stellar Ephemeris Calculator

Stellar Ephemeris Calculator

Date and Time

YYYY   MM   DD  
Hr   Min   Sec  

Time Zone

TT Time    Universal Time



Sun Ephemeris

Sun RA  
Sun Dec  
Sun GHA  
Sun SD  

Star Ephemeris

LS Star Almanac No.  
Bayer Designation  
Right Ascension  
Greenwich Hour Angle  

Notes :-

Choose either TT Time (UT-4) or Universal Time (UT)
Click on the Links to get the Official U.S. Time.

TT Time =  Universal Time - 4 Hours.
Reload the page to re-insert the current Date & TT Time.

+ve δ : The Sun is North of the Equator (Mar. 21st to Sep. 23rd).
-ve δ : The Sun is South of the Equator (Sep. 23rd to Mar. 21st).

Adapted from Code by Dr. Henning Umland

J2000 Ephemeris Data from the Fifth Fundamental Catalogue FK5 (1988)

Additional Data from the SIMBAD Astronomical Database

JavaScript Code © 2016 H.A. Nandalal, BSc.,T.T.L.S.