HiRISE | Stereo Pairs

Stereo Pairs

An explanation of stereo pairs and their use (PDF)

Planned stereo pairs have suitable stereo convergence angles and illumination by design. In addition to planned stereo pairs, the Pairendipity software can identify overlapping HiRISE images that are serendipitously suitable for stereo processing and find stereo pairs within the CTX dataset.

Planned HiRISE stereo pairs are listed in the “Stereo Pair List (CSV)” link below. Since this list is based on produced stereo anaglyphs it also contains a few serendipitous pairs that underwent special processing. Most serendipitous HiRISE stereo pairs are listed in the “Pairendipity Stereo” link, while CTX stereo pairs are listed in “Pairendipity CTX Stereo”.

Images taken close together in time minimize illumination and frost differences and are especially useful (see the Delta-Days column in the Pairendipity files or difference the orbit numbers in the image IDs in the Stereo Pair List file). Stereo pairs with both images planned within the same 14-day (168-orbit) operations cycle are known as SPORCs.

Stereo Pair List (csv) Pairendipity Stereo Pairendipity CTX Stereo SPORCs

Very Well-Preserved 12-Kilometer Diameter Crater: ESP_016569_2320 ESP_016846_2320 (Interval in Earth days: 22)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
51.40	234.	-1.5	-15.9	46.0	46.1
Mesa Island in East Acidalia Planitia: ESP_016301_2250 ESP_016578_2250 (Interval in Earth days: 22)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
44.70	352.	-3.9	-20.7	44.9	45.2
Fretted Valley Outlet: ESP_016391_2195 ESP_016668_2195 (Interval in Earth days: 22)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
38.96	56.1	-0.8	-19.4	42.2	43.3
Fresh Crater on Alba Patera: ESP_016371_2235 ESP_016226_2235 (Interval in Earth days: 12)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
43.05	240.	4.58	-7.09	43.2	44.8
Possible Phyllosilicate-Rich Area in Syrtis Major: ESP_016628_2040 ESP_017340_2040 (Interval in Earth days: 55)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
23.69	68.6	-7.2	6.233	41.2	42.0
Crossing Wrinkle Ridges and Secondaries in Hesperia Planum: ESP_016310_1545 ESP_016666_1545 (Interval in Earth days: 28)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-25.2	115.	3.44	15.21	59.1	62.7
Southern Margin of Mantle Material within Crater: ESP_016542_1435 ESP_025403_1435 (Interval in Earth days: 690)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-36.1	262.	6.93	27.81	69.4	67.9
Floor of Cut Crater: ESP_016461_1680 ESP_025533_1680 (Interval in Earth days: 707)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-11.8	312.	-6.7	15.71	53.1	53.0
Crater with Sharp Rim and Elongated Secondaries: ESP_016810_2260 ESP_017232_2260 (Interval in Earth days: 33)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
45.63	135.	1.70	-9.75	42.9	43.1
Degradation of Old Crater Rim on Northwest Slope of Acheron Fossae: ESP_016873_2185 ESP_017018_2185 (Interval in Earth days: 11)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
38.30	218.	-8.3	1.584	42.0	41.0
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