Questions tagged [deep-space-hibernation]
Deep Space Hibernation
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What spacecraft relied on solar electrical power farthest from the Sun?
Question: What spacecraft relied on solar electrical power farthest from the Sun?
If you like you can break it down by use case; spacecraft that used it for solar-electric propulsion (and weren't ...
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Which countries have built RTGs and used them in Earth orbit and/or beyond?
I know the US has; a few have even left the solar system, there's some on the Moon, one on Mars, and one inside Saturn, though now "extensively modified". Rosetta had to hibernate for 2.5 years for ...
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Did IKAROS wake up from its 5th hibernation in Winter 2015?
The IKAROS solar sail entered its fifth hibernation in spring 2015, with a planned wake up in winter 2015 (Northern Hemisphere). However, there seems to be no news since then regarding the mission ...
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WHY did Rosetta have to go into hibernation for 2.5 years?
It seems the Rosetta spacecraft was put (put itself) into hibernation 08-June-2011. It spun itself up to stabilize its attitude, then shut down navigation, attitude control, communication systems as ...
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Is this the longest that a spacecraft "went to sleep" and then woke up on schedule?
For various reasons, spacecraft are sometimes "put to sleep" for periods of time on long voyages. Many systems are shut down, and radio communications suspended. Tracking of spacecraft at very large ...
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Why not use deep space hibernation in all missions?
If Deep Space Hibernation of a probe saves energy and power, then why isn't it implemented on long planetary missions and Interstellar missions like,
New Horizons, Voyagers, Pioneers, Cassini, etc.......
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How was the Giotto spacecraft reactivated from hibernation mode?
The Wikipedia article on Giotto states that:
Giotto was the first spacecraft to be re-activated from hibernation mode.
How was the reactivation accomplished?
Does the statement mean the ...
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Could Rosetta have been awakened from Earth if necessary?
Today, January 20th 2014 AD of the Gregorian Calendar, is the wake-up day of Rosetta.
Expected AOS window commenced at 1830 UTC before which Rosetta was expected to wake-up, and perform basic house-...
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How does Rosetta "wake-up?"
Rosetta has been in hibernation mode for most of the last three years. As far as I am aware, "sleep" means using minimum resources since there is nothing for the probe to do during its long transfer ...
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