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

Northern Arabia Terra Depression : ESP_044335_2185 ESP_044678_2185 (Interval in Earth days: 26)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
38.24	3.78	3.55	-22.8	39.5	42.7
Candidate Landing Site for 2020 Mission in Hypanis Valles Delta : ESP_044271_1920 ESP_044416_1920 (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
11.81	314.	1.61	21.25	45.3	43.9
Candidate ExoMars Landing Site in Oxia Palus Region : ESP_044257_1980 ESP_061202_1980 (Interval in Earth days: 1320)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
18.00	335.	2.18	-27.8	42.8	44.3
Lineated Terrain : ESP_044252_2515 ESP_044832_2515 (Interval in Earth days: 45)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
71.38	99.3	8.06	28.96	50.5	50.8
Pasted-on Material on Streamlined Island : ESP_044509_1865 ESP_045274_1865 (Interval in Earth days: 60)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
6.811	298.	-2.2	-25.1	48.1	49.7
Valleys with Interior Sinuous Ridges in Terrain West of Novara Crater : ESP_044415_1540 ESP_046037_1540 (Interval in Earth days: 126)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-25.5	347.	5.91	16.06	68.2	59.9
Possible Esker System in Phlegra Montes : ESP_044316_2130 ESP_044804_2130 (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
32.66	162.	6.42	-5.70	39.3	41.3
Raised Ridges in Terra Sirenum : ESP_044342_1500 ESP_043643_1500 (Interval in Earth days: 54)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-29.4	181.	-3.2	19.92	71.6	68.4
Candidate ExoMars Landing Site in Aram Dorsum : ESP_044217_1880 ESP_051944_1880 (Interval in Earth days: 603)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
8.009	348.	7.29	27.14	46.7	39.8
Northern Erg Dunes in Summer : ESP_044501_2605 ESP_044804_2605 (Interval in Earth days: 23)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
80.15	139.	-5.0	10.34	57.2	57.6
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