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Some Statistics for Spirit & Oppy, As the journey continues on Mars
brellis
post Jul 8 2011, 06:36 PM
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If Oppy rolls down into Endeavour, she could pick up some speed! wheel.gif smile.gif
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dilo
post Jul 9 2011, 10:42 AM
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QUOTE (NW71 @ Jul 8 2011, 01:27 PM) *
... If so, this would see her break the 12m per sol barrier...

Neil, I never considered this intriguing aspect of "grand-average" speed...
Based on my dataset (official JPL weekly reports) the 12m/sol record was already broken in the "glory" week, immediately before "soft dune stall":
Attached Image


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NW71
post Jul 11 2011, 08:26 AM
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QUOTE (dilo @ Jul 9 2011, 11:42 AM) *
the 12m/sol record was already broken in the "glory" week


Dilo,

Thank you so much for correcting me! I'm assuming sol 2652 has seen us finally break this record?

Neil smile.gif
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dilo
post Jul 11 2011, 10:04 AM
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QUOTE (NW71 @ Jul 11 2011, 08:26 AM) *
I'm assuming sol 2652 has seen us finally break this record?

You're probably right, Neil... I'm waiting for official figures (they are not being updating them since June 28!).


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dilo
post Jul 12 2011, 05:24 AM
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Last updated report gives 11.954 m/sol average (Sol 2647, 31,630.68 m), very close to a new record... in the following week (ending today) we need additional 230 meters only in order to break the old record!

edit: ...and based on last Theseiner's map, Oppy already made a 150m progress from sol 2649 to 2652...


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Tesheiner
post Jul 12 2011, 06:42 AM
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According to my record, the odometer is currently at 31920m; 31630 from the last official report plus 140m on sol 2649 and 149m on sol 2652.
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climber
post Jul 12 2011, 07:22 AM
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Even if we rely "only" on the Official odometry, on sol 2647 (july 5th 2011) we were at 11.950 m/sol which breaks the old record of 11.924 on sol 438 (april 16th 2005). Anyway Eduardo's figure shows that we are over 12m/sol now. Using this last figure, we are now 350 m short of reaching 40 kms total for Spirit + Opportunity. (or 2545m short of a full Marathon)


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dilo
post Jul 12 2011, 05:38 PM
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Climber, my figures are slightly different about previous record (11.96 m/sol on sol 437 and 12.00 on Sol 442) but, at this point, no doubt it was broken in the last days (12.04 on Sol 2652 based on Theseniner data above). So this is my updated plot:
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climber
post Jul 12 2011, 08:23 PM
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QUOTE (briv1016 @ Nov 10 2009, 10:11 AM) *
Lunokhod 2 / 37.00 km
Apollo 17 rover / 35.89 km max distance 7.2
Apollo 15 rover / 27.76 km max distance 5.0
Apollo 16 rover / 26.55 km max distance 4.6
Opportunity (2056) / 18.89 km
Lunokhod 1 / 10.50 km
Spirit (2076) / 7.73 km
Sojourner / ?

I come back to this old post to make an update and rise a question/challenge.
New figure shows Oppy now n° 3:
Lunokhod 2 / 37.00 km
Apollo 17 rover / 35.89 km (max distance to LEM 7.2)
Opportunity (2652) / 31.92 km (max distance to lander 17.8)
Apollo 15 rover / 27.76 km (max distance to LEM 5.0)
Apollo 16 rover / 26.55 km (max distance to LEM 4.6)
Lunokhod 1 / 10.50 km
Spirit / 7.73 km
Sojourner / ?

The question/challenge is to find out the maximum distance to the landing base reached for each of the above since this is also a way to compare rovers achievements. Already included what I've found here: http://nssdc.gsfc.nasa.gov/planetary/lunar/apollo_lrv.html

PS for Dilo re previous post: I've got weekly figures only so, on a sol by sol basis, you're probably right, thanks


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Phil Stooke
post Jul 12 2011, 08:52 PM
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For Sojourner you can put in approximately 85 m.

Phil



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climber
post Jul 12 2011, 09:16 PM
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QUOTE (Phil Stooke @ Jul 12 2011, 10:52 PM) *
For Sojourner you can put in approximately 85 m.

Phil

Thanks Phil,

I'm having hard time finding figures for the Lunakhod (max distance to the landing base). I was looking for the LRO's pictures you once posted here for then trying to measure myself (unless you've got the real numbers) but was not good enough using the search tool.
I'll guess Oppy is still n°2 in this regard since I believe Lunakhod II roved more or less "strait" in one direction.


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Phil Stooke
post Jul 13 2011, 02:27 PM
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Looking quickly at the route map, it appears Lunokhod 2 reached a point approximately 15 km from its landing site. It drove south, east and north again, with other diversions from its route as well. I'll post a map in a lunar thread.

Phil Stooke


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climber
post Jul 13 2011, 07:35 PM
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With Phil's help and last Oppy drive, here is the whole figure regarding the 8 planetary rovers.

Actual total roving distance
1. Lunokhod 2 / 37.00 km
2. Apollo 17 rover / 35.89 km
3. Opportunity (2654) / 32.00 km
4. Apollo 15 rover / 27.76 km
5. Apollo 16 rover / 26.55 km
6. Lunokhod 1 / 10.50 km
7. Spirit / 7.73 km
8. Sojourner / 0.085 km

Actual maximum distance from landing base
1. Opportunity (2654) / 18.05 km
2. Lunokhod 2 / 14.39 km
3. Apollo 17 rover / 7.2 km
4. Apollo 15 rover / 5.0 km
5. Apollo 16 rover / 4.6 km
6. Spirit / 3.62 km
7. Lunokhod 1 / 2.26 km
8. Sojourner / 0.01 km


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MoreInput
post Jul 13 2011, 07:38 PM
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I hope we drive further than the Apollo 17 rover ...


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dilo
post Jul 17 2011, 08:12 AM
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Update (it was a little tricky to find all information on the renewed MER site):
Attached Image

Note1: Due to high speed of Oppy, I had to reduce total odometry scale on the right of lower plot, in order to show all the progress in last martian year...
Note2: the new grand-average speed record is now official: 12.06 m/sol on sol 2655!


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