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"To get anywhere, or even live a long time, a man has to guess, and guess right, over and over again, without enough data for a logical answer."
- Robert Heinlein
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| Parking Orbit | ||
| An orbit from which access to the planet's surface via a small auxiliary vessel is quick and uncomplicated. |
As far as I know, Heinlein coined this term (and first mentioned the idea) in this story.
| Approaching Earth, he called over the patrol frequency and asked for a parking orbit, as he did not wish to
put the Chili down on Earth. It would waste fuel and might cause talk. To be sure, he could have picked an orbit without permission, but there was a long chance that the Chili might be noticed and charted in his absence, and investigated as a derelict. It was safer to be legal about it.
An orbit having been assigned, he attained it and settled down in the groove. That done, he set the echo mechanism in the ship's communicator to his own combination, made sure that the set in the ship's gig could trigger it, and dropped away in the gig. |
| Technovelgy from Methuselah's Children,
by Robert Heinlein. Published by Astounding Science-Fiction in 1941 Additional resources -
|
This term also appears in Heinlein's Starman Jones (1953).
Here's another usage, this time in orbit around the Moon, from Enemies of the System, a 1978 novella by Brian W. Aldiss:
It's interesting to note that the term "parking orbit" is used by NASA in a manner that is (in a sense) the opposite of this one. Heinlein used it to mean an orbit that a ship assumed as it approached Earth from afar. The current meaning of the term refers to a temporary orbit achieved by a satellite or space probe leaving the surface. There are a variety of reasons why a temporary parking orbit is a good choice on a space mission.
They hung in parking orbit while their possible future home was examined from the control room.
From the ferry, the passengers transfer to a gulfhopper awaiting them in parking orbit around the Moon.
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and Technology from Methuselah's Children
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Tech news articles related to Methuselah's Children
Tech news articles related to works by Robert Heinlein
Parking Orbit-related
news articles:
- Space Traffic Management (STM) Needs Action
| JAXA Int Ball 2 Coming Right Along As Star Wars Remote |
| Space Traffic Management (STM) Needed Now |
| Denmark Joins The 'Zero Debris Charter' To Clean Up Space |
| Starship Special Edition For Lunar Shuttle |
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