Talk:Pioneer H

Accuracy dispute

Yes, I'm disputing the accuracy of an article I wrote.

The article is essentially sourced entirely off Wolverton's The Depths of Space. However, I emailed the National Air and Space Museum, because I found a discrepancy in two of their pages describing the artifact. One said it was a prototype, the other said it was a replica built from spare parts. The historian who responded showed me scans of the original paperwork leading up, which clearly describes it as being a replica assembled after the fact.

Take the article with a grain of salt. -- Cyrius|✎ 1 July 2005 14:42 (UTC)

The issue has been sorted out, with the assistance of Dr. James Van Allen and Dr. Roger Launius (Chair, Division of Space History, National Air and Space Museum). The craft in the Smithsonian is not a prototype. However, it is constructed from flight-qualified spare parts, and was considered flyable. -- Cyrius|✎ 06:48, 4 August 2005 (UTC)

Lost Probe

I recall in the early 80s there were some vague references to a lost NASA probe. The story went something like a Pioneer probe that had been intended to use a slingshot of Jupiter to complete the Saturn/Uranus/Neptune grand tour before Voyager but due to a basic mathematical error had been sent the wrong way. The details of Pioneer H seem to chime. 212.42.8.253 17:42, 4 February 2006 (UTC)

You are likely thinking of Pioneer 10 and Pioneer 11 probes - Pioneer 11 was first to use Jupiter's gravity for course correction/change as well as acceleration to Saturn.

Voyager 1 went past Saturn's moon Titan - which would not have permitted a Uranus or Neptune flyby. Voyager 2 visited all 4 gas giants.

I would highly recommend reading the "On-line" version of Mark Wolverton's Book on the Pioneer program !!

• Mark Wolverton's The Depths of Space online
• Pioneer Program Home Page

Greg Beat 03:10, 1 April 2006 (UTC)

Good Article

I just wanted to say that I enjoyed reading the article a lot. I regret that a perfectly flyable spacecraft designed for navigating space still rests inside a concrete building here on Earth. The quote from Van Allen at the end (1 AU) is incredibly sad. Atilim Gunes Baydin 23:43, 13 September 2006 (UTC)

Improvements

Overall I feel that this is a good article on the sort of 'lost history' that needs to be covered. I've managed to run down a copy of the orignal Ames report which I've linked to the article and I've had a few thought on possible improvements. One thing I intend to do personally is double check all of the links to make sure they are still current.

Two other things that might be nice to have would be trajectory diagrams and a simulation of the view from the spacecraft camera at Jupiter flyby. I lack the software/skills to do the latter, so perhaps someone else might want to look into this. —Preceding unsigned comment added by Graham1973 (talk • contribs) 03:31, 11 March 2010 (UTC)

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