[meteorite-list] Mars Exploration Rover Opportunity Update: March15-21, 2012

[Robert Woolard]

Ron,

Same goes for me. Although I have expressed my gratitude before, I don't do it nearly as often as you deserve.

Thanks for taking the time to keep us all so well informed.

Sincerely,
Robert Woolard

Sent from my iPhone

On Mar 22, 2012, at 7:05 PM, "Richard Montgomery" <rickmont at earthlink.net> wrote:

> Ron, (and perhaps I'll speak for many here on the List)...your constant posts are AWESOME, and while no-one seems to reply, I thought I'd chime in and thank you for enlightening me for the continued updates, without which I'd be completely in the dark.
> 
> Thanks!
> Richard Montgomery
> 
> 
> ----- Original Message ----- From: "Ron Baalke" <baalke at zagami.jpl.nasa.gov>
> To: "Meteorite Mailing List" <meteorite-list at meteoritecentral.com>
> Sent: Thursday, March 22, 2012 2:45 PM
> Subject: [meteorite-list] Mars Exploration Rover Opportunity Update: March15-21, 2012
> 
> 
>> 
>> http://marsrovers.jpl.nasa.gov/mission/status.html#opportunity
>> 
>> OPPORTUNITY UPDATE:  Slight Drop of Left-front Wheel -
>> sols 2894-2900, March 15-21, 2012:
>> 
>> Opportunity remains positioned on the north end of Cape York on the rim
>> of Endeavour Crater with an approximately 15-degree northerly tilt for
>> favorable solar energy production.
>> 
>> Radio Doppler tracking passes for the geo-dynamic investigation were
>> performed on sols 2895, 2897 and 2899 (March 16, 18 and 20, 2012). The
>> Microscopic Imager (MI) collected images on sols 2894 and 2899 (March 15
>> and 20, 2012) as part of a large mosaic. On Sol 2894, the Alpha Particle
>> X-ray Spectrometer was placed on target "Amboy3" for a multi-sol
>> integration.
>> 
>> On Sol 2899, the robotic arm (Instrument Deployment Device, or IDD)
>> experienced a safety stall in preparation for the MI mosaic imaging. The
>> imaging executed successfully, and the Mossbauer spectrometer was
>> subsequently placed on the target "Amboy," as planned. Imagery from the
>> front hazard-avoidance camera showed that the left-front wheel
>> apparently dropped by a small amount, roughly half an inch (1
>> centimeter), sometime between Sol 2894 and Sol 2899. The rover is safe,
>> healthy and stable. There is no indication of risk to Opportunity. But
>> the small drop in the left-front wheel is curious. The IDD safety stall
>> may be related. The project is investigating this. Diagnostic activities
>> have been sequenced for Sol 2901 (March 22, 2012).
>> 
>> As of Sol 2900 (March 21, 2012), solar array energy production was 311
>> watt-hours with an atmospheric opacity (Tau) of 0.508 and a solar array
>> dust factor of 0.498.
>> 
>> Total odometry is unchanged at 21.35 miles (34,361.37 meters).
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