Pitted Material from Tooting Crater
NASA/JPL/UArizona
Pitted Material from Tooting Crater
ESP_062934_2040  Science Theme: Impact Processes
Tooting Crater is one of the youngest craters on Mars that is larger than 20-kilometers in diameter. Relatively low areas inside and outside the crater are covered by a distinctive pitted and ponded material. The pits are not impact craters, as they lack ejecta and are very closely spaced.

There is one small impact crater near the lower right corner of our picture, which is much more circular than the pits and has a raised rim and ejecta. One interpretation is that this pitted and ponded material was hot impact ejecta from Tooting, and loss of volatiles from this material or underlying materials created the pits as it cooled.

Written by: Alfred McEwen (narration: Tre Gibbs)  (31 March 2020)
 
Acquisition date
30 December 2019

Local Mars time
15:25

Latitude (centered)
23.498°

Longitude (East)
207.567°

Spacecraft altitude
287.8 km (178.9 miles)

Original image scale range
58.0 cm/pixel (with 2 x 2 binning) so objects ~174 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
7.5°

Phase angle
40.5°

Solar incidence angle
48°, with the Sun about 42° above the horizon

Solar longitude
128.0°, Northern Summer

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  11.7°
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POSTSCRIPT
NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA’s Science Mission Directorate, Washington. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.