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Persephone Pluto Orbiter
stevesliva
post Sep 2 2020, 08:41 PM
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From fall 2020 OPAG https://www.lpi.usra.edu/opag/meetings/opag2020fall/

Persephone:
https://www.lpi.usra.edu/opag/meetings/opag...Howett_6005.pdf

There is talk of extended missions out to 2079. Building cathedrals for our grandkids here...
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Steve G
post Sep 8 2020, 10:04 PM
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About that 27 years trajectory . . . That puts a lot of lifetimes to the wayside when it arrives. With a launch ten years from now, new and better rockets may be available, such as StaceX's Starship should it deliver to expectations, or even Blue Origin's New Armstrong (should it be ever come to pass). If launch costs are reduced by the new (reusable) space rockets along with the massive payloads they are advertising, you could conceivably launch it really fast with loaded with tons of fuel and jam on the breaks hard. That would cut trajectory significantly. Based on the cost per flight, SLS may not even be around by then.
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Steve G
post Sep 8 2020, 10:07 PM
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Posted in error
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Posts in this topic
- stevesliva   Persephone Pluto Orbiter   Sep 2 2020, 08:41 PM
- - Explorer1   The Voyagers have lasted that long, we know. Slid...   Sep 3 2020, 03:25 AM
- - volcanopele   I think that's supposed to be 584 Gb over the ...   Sep 3 2020, 05:45 AM
- - Explorer1   Yes, I missed the digits. Still pretty modest by t...   Sep 3 2020, 06:42 AM
- - vjkane   Biggest problem that I see is finding the plutoniu...   Sep 3 2020, 02:53 PM
- - Steve G   About that 27 years trajectory . . . That puts a l...   Sep 8 2020, 10:04 PM
|- - Steve G   Posted in error   Sep 8 2020, 10:07 PM
|- - Explorer1   QUOTE (Steve G @ Sep 8 2020, 06:04 PM) If...   Sep 8 2020, 10:28 PM
|- - HSchirmer   QUOTE (Explorer1 @ Sep 8 2020, 10:28 PM) ...   Sep 9 2020, 04:16 PM
|- - stevesliva   I wanted to see if you recalled correctly, because...   Sep 9 2020, 04:39 PM
||- - HSchirmer   QUOTE (stevesliva @ Sep 9 2020, 04:39 PM)...   Sep 9 2020, 04:54 PM
||- - mcaplinger   QUOTE (HSchirmer @ Sep 9 2020, 08:54 AM) ...   Sep 9 2020, 05:08 PM
||- - HSchirmer   QUOTE (mcaplinger @ Sep 9 2020, 05:08 PM)...   Sep 9 2020, 05:27 PM
|- - mcaplinger   QUOTE (HSchirmer @ Sep 9 2020, 08:16 AM) ...   Sep 9 2020, 04:45 PM
- - Steve G   Cassini used a Bipropellant system- Nitrogen Tetro...   Sep 9 2020, 01:47 PM
- - stevesliva   Would be a worthwhile use of the space station to ...   Sep 9 2020, 07:40 PM
|- - HSchirmer   QUOTE (stevesliva @ Sep 9 2020, 07:40 PM)...   Sep 9 2020, 08:06 PM
- - JRehling   The long timelines for this mission suggest severa...   Sep 11 2020, 06:42 PM
|- - HSchirmer   QUOTE (JRehling @ Sep 11 2020, 07:42 PM) ...   Sep 12 2020, 02:43 AM
- - Steve G   I agree! My whole point at the beginning of th...   Sep 11 2020, 07:19 PM
- - stevesliva   Well... the Pluto orbit mission concludes 30 years...   Sep 12 2020, 02:55 AM


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