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Onwards to Uranus and Neptune!
SFJCody
post Jan 12 2008, 09:40 PM
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As soon as MESSENGER gets to Mercury, the most poorly explored planets in the solar system will be Uranus and Neptune. Could this lead to a revival of interest in the ice giants and their retinue, in the same way that the existence of New Horizons is perhaps partly due to the Pluto stamp*?







*via Pluto Fast Flyby and later Pluto Kuiper Express
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tasp
post Jan 13 2008, 12:31 AM
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"Economics engineering' seemed to be the key to Mariner 10 visiting Mercury (for the then bargain price of 98 mil). And was also a key factor in New Horizons and Messenger.


It might be a concatenation of ion drive, Sterling Cycle generators, follow on design revisons of existing hardware, some clever gravity assists, and the continued progression of Moore's Law that will bring a capable and affordable probe to either/both planets.
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- SFJCody   Onwards to Uranus and Neptune!   Jan 12 2008, 09:40 PM
- - tedstryk   QUOTE (SFJCody @ Jan 12 2008, 09:40 PM) A...   Jan 12 2008, 10:01 PM
|- - J.J.   QUOTE (tedstryk @ Jan 12 2008, 04:01 PM) ...   Jan 13 2008, 02:52 PM
- - vjkane   There is the opportunity, brought up in another th...   Jan 13 2008, 12:12 AM
|- - cawest   QUOTE (vjkane @ Jan 13 2008, 01:12 AM) Th...   Feb 18 2008, 04:35 AM
|- - ugordan   QUOTE (cawest @ Feb 18 2008, 05:35 AM) yo...   Feb 18 2008, 08:55 AM
|- - cawest   QUOTE (ugordan @ Feb 18 2008, 09:55 AM) W...   Feb 19 2008, 04:45 AM
- - tasp   "Economics engineering' seemed to be the ...   Jan 13 2008, 12:31 AM
- - Greg Hullender   Does anyone have a link to any of the JSN proposal...   Jan 13 2008, 02:32 AM
- - climber   Do you think this: http://planetary.org/blog/artic...   Jan 13 2008, 06:00 AM
- - mchan   Re: JSNK mission. Front this more as a Saturn pro...   Jan 13 2008, 09:53 AM
|- - vjkane   QUOTE (mchan @ Jan 13 2008, 09:53 AM) Re:...   Jan 13 2008, 06:16 PM
- - Greg Hullender   How much of the cost of one of these missions is t...   Jan 13 2008, 06:18 PM
|- - JRehling   [...]   Jan 13 2008, 10:40 PM
|- - djellison   I would consider aerocapture an enabling technolog...   Jan 13 2008, 10:55 PM
|- - Planet X   QUOTE (JRehling @ Jan 13 2008, 04:40 PM) ...   Jan 14 2008, 03:08 PM
- - CAP-Team   I think they should build two spacecraft, and send...   Jan 13 2008, 11:11 PM
|- - ugordan   QUOTE (CAP-Team @ Jan 14 2008, 12:11...   Jan 13 2008, 11:18 PM
- - nprev   You know if anyone's done a serious study on a...   Jan 13 2008, 11:40 PM
- - vjkane   Neptune has been ranked as a higher priority as ra...   Jan 14 2008, 04:35 PM
- - Greg Hullender   I get 16 years for the Hohmann to Uranus, but just...   Jan 14 2008, 05:48 PM
|- - Del Palmer   QUOTE (Greg Hullender @ Jan 14 2008, 05:4...   Jan 14 2008, 07:12 PM
- - Jyril   But it would have missed Ida and Gaspra, and the c...   Jan 14 2008, 10:40 PM
|- - ugordan   QUOTE (Jyril @ Jan 14 2008, 11:40 PM) and...   Jan 14 2008, 10:54 PM
||- - Jyril   QUOTE (ugordan @ Jan 15 2008, 12:54 AM) I...   Jan 14 2008, 11:04 PM
||- - ugordan   QUOTE (Jyril @ Jan 15 2008, 12:04 AM) How...   Jan 14 2008, 11:06 PM
|- - tedstryk   Yes, but during the post-Challenger delay and repl...   Jan 15 2008, 12:54 AM
|- - Toma B   QUOTE (Jyril @ Jan 15 2008, 01:40 AM) On ...   Jan 15 2008, 09:02 AM
- - tasp   IIRC, the Galileo Jupiter trajectory provided by t...   Jan 15 2008, 06:08 AM
- - Greg Hullender   Uh, I hope they didn't plan to open the main a...   Jan 15 2008, 02:32 PM
|- - Toma B   QUOTE (Greg Hullender @ Jan 15 2008, 05:3...   Jan 16 2008, 07:49 AM
- - Greg Hullender   Actually, I think you're right. The only reas...   Jan 16 2008, 04:29 PM
- - Mariner9   Some years ago at a JPL open house I spoke with o...   Jan 16 2008, 09:51 PM
- - Gladstoner   .   Jan 19 2008, 08:54 AM
- - nprev   Uh...say what?! We haven't launched a Gali...   Jan 19 2008, 09:05 AM
|- - JRehling   [...]   Jan 19 2008, 09:14 AM
|- - Gladstoner   .   Jan 19 2008, 09:34 AM
|- - nprev   QUOTE (Gladstoner @ Jan 19 2008, 01:34 AM...   Jan 19 2008, 10:18 AM
||- - Gladstoner   .   Jan 19 2008, 11:00 AM
||- - Mark6   QUOTE (nprev @ Jan 19 2008, 11:18 AM) No ...   Feb 25 2008, 02:00 AM
||- - JRehling   [...]   Feb 25 2008, 04:34 AM
||- - Mark6   QUOTE (JRehling @ Feb 25 2008, 05:34 AM) ...   Feb 25 2008, 01:25 PM
|- - centsworth_II   QUOTE (Gladstoner @ Jan 19 2008, 04:34 AM...   Jan 19 2008, 03:46 PM
- - Jyril   Voyager 2 was only able to visit Uranus and Neptun...   Jan 19 2008, 10:26 AM
- - Jyril   One thing should be remembered when discussing abo...   Jan 19 2008, 02:22 PM
|- - JRehling   [...]   Jan 20 2008, 07:15 AM
- - mps   QUOTE (Gladstoner @ Jan 19 2008, 01:00 PM...   Jan 19 2008, 02:50 PM
|- - Gladstoner   .   Jan 19 2008, 08:30 PM
- - nprev   Come to that, Voyager itself was a scoped-down ver...   Jan 19 2008, 04:18 PM
- - dvandorn   You know, Nick, unlike a lot of the people here, y...   Jan 19 2008, 04:57 PM
|- - nprev   QUOTE (dvandorn @ Jan 19 2008, 08:57 AM) ...   Jan 19 2008, 05:41 PM
- - Greg Hullender   Nice account of the history of the Grand Tour proj...   Jan 19 2008, 06:54 PM
- - nprev   Well, don't we all, though? Sad fact of the ...   Jan 19 2008, 09:54 PM
- - Gladstoner   .   Jan 20 2008, 07:38 AM
- - edstrick   "...I'll always think of them as Mariners...   Jan 21 2008, 10:19 AM
|- - tedstryk   While imaging systems have certainly improved, Voy...   Jan 21 2008, 07:06 PM
|- - JRehling   [...]   Jan 21 2008, 07:56 PM
|- - nprev   QUOTE (JRehling @ Jan 21 2008, 11:56 AM) ...   Feb 7 2008, 04:18 PM
- - nprev   Dou you think that Alan will hate me if I privatel...   Jan 21 2008, 06:22 PM
|- - dvandorn   QUOTE (nprev @ Jan 21 2008, 12:22 PM) Dou...   Jan 22 2008, 06:11 AM
- - edstrick   "I'd argue that Galileo was Mariner 13 an...   Jan 22 2008, 10:19 AM
- - MarcF   After the proposal of a New Horizons-like mission ...   Feb 6 2008, 09:37 PM
- - Big_Gazza   Oh Great Maker, let it be so.... (for the recor...   Feb 7 2008, 10:33 AM
|- - ugordan   To me, any new mission to Neptune that isn't a...   Feb 7 2008, 11:00 AM
|- - Doc   QUOTE (ugordan @ Feb 7 2008, 02:00 PM) To...   Feb 7 2008, 11:24 AM
|- - vjkane   QUOTE (ugordan @ Feb 7 2008, 12:00 PM) An...   Feb 7 2008, 03:45 PM
|- - JRehling   [...]   Feb 8 2008, 07:55 PM
|- - vjkane   QUOTE (JRehling @ Feb 8 2008, 08:55 PM) I...   Feb 8 2008, 08:37 PM
|- - tedstryk   I think that Uranus has a bigger problem. The bla...   Feb 8 2008, 10:10 PM
- - mchan   Unfortunately, any mission with Uranus as primary ...   Feb 9 2008, 06:36 AM
|- - tedstryk   Neptune also has the advantage of being the most d...   Feb 9 2008, 06:20 PM
|- - JRehling   [...]   Feb 11 2008, 06:40 PM
- - nprev   Heh, heh...I see that some of our more distinguish...   Feb 11 2008, 09:21 PM
|- - kwp   QUOTE (nprev @ Feb 11 2008, 02:21 PM) Tri...   Feb 11 2008, 11:08 PM
|- - tedstryk   QUOTE (kwp @ Feb 11 2008, 11:08 PM) Five?...   Feb 11 2008, 11:13 PM
- - nprev   I was counting Titan; the atmosphere is extremely ...   Feb 12 2008, 04:32 AM
- - Greg Hullender   I still wish I could see a breakdown of costs. I ...   Feb 12 2008, 04:47 AM
- - nprev   Again, this is why I wish that there was a 'li...   Feb 14 2008, 04:20 AM
|- - mchan   [removed in-line quote] There may or may not be s...   Feb 14 2008, 05:27 AM
|- - ugordan   There really is no need for a launch opportunity l...   Feb 14 2008, 09:28 AM
|- - kwp   QUOTE (ugordan @ Feb 14 2008, 01:28 AM) A...   Feb 14 2008, 05:02 PM
|- - ugordan   I believe trajectory search and optimization softw...   Feb 14 2008, 05:25 PM
|- - JRehling   [...]   Feb 14 2008, 08:17 PM
- - simonbp   This has got me thinking about if you could pull o...   Feb 17 2008, 08:17 PM
|- - tasp   QUOTE (simonbp @ Feb 17 2008, 02:17 PM) T...   Feb 18 2008, 02:55 PM
- - Greg Hullender   I think the problem with launching a Neptune and U...   Feb 18 2008, 05:08 PM
|- - JRehling   [...]   Feb 18 2008, 07:15 PM
- - Greg Hullender   I thought about that, but I think the trouble is t...   Feb 19 2008, 03:03 AM
- - Greg Hullender   How does that follow? You'd clearly have less...   Feb 19 2008, 04:26 PM
- - simonbp   Well then drop the second vehicle and fly the one ...   Feb 20 2008, 06:26 AM
- - Greg Hullender   I hear you. I'd love to see a serious proposa...   Feb 21 2008, 12:42 AM
- - Big_Gazza   QUOTE (Greg Hullender @ Feb 21 2008, 11:4...   Feb 21 2008, 01:14 PM
|- - Greg Hullender   QUOTE (Big_Gazza @ Feb 21 2008, 05:14 AM)...   Feb 21 2008, 04:27 PM
- - edstrick   "Sedna would be a somewhat more appealing tar...   Feb 25 2008, 06:12 AM
|- - JRehling   [...]   Feb 25 2008, 06:16 PM
- - nprev   Yeah, the LSST will undoubtedly provide a LOT of s...   Feb 25 2008, 06:57 PM
- - laurele   "So we should find any Sednas (now the 5th la...   Feb 26 2008, 07:00 AM
- - edstrick   Sedna is between what were supposed to be KB orbit...   Feb 26 2008, 08:37 AM
- - Greg Hullender   Mike Brown has sometimes called Sedna an "Inn...   Feb 26 2008, 06:44 PM
- - nprev   I just had a probably very silly idea, and would l...   Feb 26 2008, 07:57 PM
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