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Questions tagged [diurnal-cycle]

Questions regarding patterns repeating once per rotation relative to the Sun

11
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1answer
654 views

How much is a geostationary satellite expected to deviate from the geostationary orbit?

I've read this already and some Wikipedia articles, but found no real estimates on how much does a satellite deviate from its standard location. Say that the standard sub-satellite point (SSP) is <...
15
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1answer
2k views

Can the Sun set twice during the same day on Mercury?

Mercury's day is only a little bit shorter than its orbital period, the relationship is a 3:2 resonance. However, I noticed that the planet's angular velocity at perihelion, 0.265 arc-degrees per ...