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1 vote
0 answers
71 views

calculate declination and right ascension with limited information

I'm trying to make a game with high accuracy moon position so I followed some equations on geoastro.de Basics of Positional Astronomy and Ephemerides and with some help from the questions answers, I ...
Ahmed Dyaa's user avatar
2 votes
0 answers
83 views

How to convert GMST to GMST° (degrees) for calculating RA [duplicate]

For calculating the Right Ascension of the moon I need the GMST (Greenwich Mean Sidereal Time) in Degrees. I have found the formula GMST = 100.4606184 + 0.9856473662862 * D + H * 15, D = number of ...
Ulrich Rosin's user avatar
3 votes
1 answer
378 views

How to get the right ascension of the Moon?

Is there any approximate way to calculate the right ascension of the Moon? I already got declination but still, need the right ascension to calculate the final position of the moon. Thanks for all ...
Misaki's user avatar
  • 31
1 vote
1 answer
322 views

At what rate does the right ascension and declination of a planet, the sun and moon change per hour?

I'm currently building a web app and am getting the RA's and Dec's of solar system objects based on date and time chosen by the user. Then using the gmst for 0 hours of the date, the app calculates ...
Peter Orji's user avatar
0 votes
3 answers
2k views

Right Ascension to Zodiac House

At the moment (01-04-2020 09:36) the Moon is situated in Gemini: "The Moon is currently in the constellation of Gemini. The current Right Ascension is 06h 37m 56s and the Declination is +23° 42' 09”."...
Matt Jameson's user avatar
3 votes
1 answer
9k views

How to calculate the ground track of the Moon's position on the Earth's surface?

I would like to project the Moon's position on to the surface of the Earth, starting with its position expressed as Right Ascension in degrees. I know that the declination of the Moon corresponds to ...
Borja's user avatar
  • 133
3 votes
1 answer
446 views

Moon equatorial coordinates

It took some effort, but in the end, I successfully calculated the geographical point of the Sun. I assumed that I could do the same for the Moon. My plan is: Find RA and declination of the Moon ...
bitemybyte's user avatar