Welcome Guest ( Log In | Register )

Locating landers by panoramic horizon imaging
post Sep 9 2019, 09:35 AM
Post #1


Group: Members
Posts: 18
Joined: 4-January 07
Member No.: 1558

Has anyone (for example the great Phil Stooke) ever described a procedure for establishing the location of a lander on a map or orbiter image by reference to peaks seen in horizon images taken by the lander?
This has proved to be a tricky one to search for on the forum although I know individual examples have been discussed both for MER and lunar landers. I thought of this while browsing an entirely different forum https://www.railforums.co.uk/threads/longes...ight-uk.136247/ where sightlines were being discussed, and posters were challenging the identity of horizon features seen from a known location, a sort of reverse problem to that faced on here.
Go to the top of the page
+Quote Post
Start new topic
Phil Stooke
post Sep 10 2019, 08:34 PM
Post #2

Solar System Cartographer

Group: Members
Posts: 8044
Joined: 5-April 05
From: Canada
Member No.: 227

Thanks, John.

This method is really the same as the standard method for finding your location on Earth by the process of Intersection (A similar method is called Resection). See this example:


The more points you can identify the better.

Also, here is an illustration of the method for Chang'e 3.

Attached Image


... because the Solar System ain't gonna map itself.
Go to the top of the page
+Quote Post
post Sep 10 2019, 11:22 PM
Post #3


Group: Members
Posts: 467
Joined: 24-July 15
Member No.: 7619

QUOTE (Phil Stooke @ Sep 10 2019, 08:34 PM) *
This method is really the same as the standard method for finding your location on Earth ...

The more points you can identify the better.

Eh, "The Englishman who went up a hill and came down a mountain"...
Go to the top of the page
+Quote Post

Posts in this topic

Reply to this topicStart new topic


RSS Lo-Fi Version Time is now: 10th December 2019 - 08:22 PM
Please read the Forum Rules and Guidelines before posting.

Images posted on UnmannedSpaceflight.com may be copyrighted. Do not reproduce without permission. Read here for further information on space images and copyright.

Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators.
Unmannedspaceflight.com is a project of the Planetary Society and is funded by donations from visitors and members. Help keep this forum up and running by contributing here.