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

Crater-Retaining Fan-Shaped Landform in Crater in Terra Sabaea: ESP_039389_1660 ESP_040233_1660 (Interval in Earth days: 66)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-14.0	43.1	-0.4	-21.6	46.4	38.2
Cones on Crater Floor in Terra Sirenum: ESP_039370_1520 ESP_066152_1520 (Interval in Earth days: 2087)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-27.6	203.	3.99	27.94	43.6	39.7
Smectite Deposits in Northwest Hellas Region: ESP_039270_1590 ESP_039415_1590 (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
-20.9	53.2	-4.0	10.86	46.4	43.5
Candidate Landing Site for 2020 Mission in Firsoff Crater: ESP_039404_1820 ESP_047184_1820 (Interval in Earth days: 607)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
2.148	350.	8.81	-2.08	52.3	52.6
Nili Patera Dunes: ESP_039599_1890 ESP_039665_1890 (Interval in Earth days: 5)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
8.823	66.9	2.58	-17.6	54.6	55.2
Asimov Crater Gullies Present in MOC R1000011: ESP_039206_1320 ESP_039694_1320 (Interval in Earth days: 38)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-47.5	4.78	-5.6	-27.9	48.6	44.7
Channels and Flows in CTX Image: ESP_039475_1420 ESP_039752_1420 (Interval in Earth days: 21)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-37.8	217.	12.0	-6.91	41.8	40.1
Small Cone in Hydraotes Chaos: ESP_039339_1795 ESP_074826_1795 (Interval in Earth days: 2765)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-0.36	326.	2.28	-23.3	52.1	52.2
Candidate Landing Site for 2020 Mission: ESP_039414_1965 ESP_039770_1965 (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
16.47	76.6	0.89	17.44	60.9	56.8
Fan Shaped Landforms at Valley Termini in Crater: ESP_039331_1475 ESP_047533_1475 (Interval in Earth days: 639)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-31.9	188.	0.61	-24.9	44.2	50.2
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