All Questions
Tagged with fundamental-astronomy orbit
5
questions
12
votes
2
answers
836
views
How to discover Neptune from the Uranus orbit (by computer simulation)
I would like to demonstrate the existence of another planet (Neptune) by studying the discrepancy between the observation of the Uranus orbit and the mathematical prediction, this work was made from ...
- 123
2
votes
2
answers
2k
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Determining distance from semi-major axis and eccentricity
I am trying to obtain the distance covered by an object in orbit around the earth within a specified amount of time past its perigee passage. The object is in an elliptical orbit with eccentricity 0.2 ...
- 21
1
vote
1
answer
8k
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What is the shape of the Sun's orbit around the Earth taking into account elliptical orbits?
Consider the non-inertial frame that is at rest with respect to the Earth's revolution around the Sun. (Ignore the Earth's rotation around its own axis.) My question is, what is the shape of the Sun'...
6
votes
1
answer
426
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How were the orbits of planets first mapped out?
I'd like to know how the orbits of planets were first 'mapped out' and to understand the maths behind it. e.g. How do we know what position in space a planet will be at certain time so that spacecraft ...
- 61
7
votes
2
answers
2k
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How to plot orbit of binary star and calculate its orbital elements?
I have a set of dates, position angles ($\theta$) and angular separations ($\rho$) for visual binary star. For example:
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