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Template:Comparison satellite navigation orbits

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Clickable image, highlighting medium altitude orbits around Earth,[a] from Low Earth to the lowest High Earth orbit (geostationary orbit and its graveyard orbit, at one ninth of the Moon's orbital distance),[b] with the Van Allen radiation belts and the Earth to scale.


References

These references will appear in the article, but this list appears only on this page.
The references of group "lower-alpha":
  1. ^ Orbital periods and speeds are calculated using the relations 4π2R3 = T2GM and V2R = GM, where R is the radius of orbit in metres; T is the orbital period in seconds; V is the orbital speed in m/s; G is the gravitational constant, approximately 6.673×10−11 Nm2/kg2; M is the mass of Earth, approximately 5.98×1024 kg (1.318×1025 lb).
  2. ^ Approximately 8.6 times when the Moon is nearest (that is, 363,104 km/42,164 km), to 9.6 times when the Moon is farthest (that is, 405,696 km/42,164 km).
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