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

Channels and Lava Flows: ESP_020261_2010 ESP_020683_2010 (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
20.66	241.	6.17	-9.72	57.1	61.6
Bedrock Layers Exposed in West Proctor Crater: ESP_020256_1320 ESP_020889_1320 (Interval in Earth days: 50)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-47.6	28.2	-5.3	-20.9	67.7	58.9
Spiders in Variety of Terrains: ESP_020229_0930 ESP_020230_0930 (Interval in Earth days: 0)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-87.0	86.4	9.23	-2.36	88.6	89.9
Sinuous Ridges in Aeolis and Zephyria Regions: ESP_020383_1740 ESP_020805_1740 (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
-6.00	153.	12.3	-2.66	53.9	53.9
Sinuous Ridges in Crater near Reull Vallis: ESP_020055_1410 ESP_020121_1410 (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
-38.4	113.	8.56	-9.74	65.3	65.8
A Potential Future Mars Landing Site: Mounds in Acidalia Planitia: ESP_017950_2205 ESP_018583_2205 (Interval in Earth days: 49)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
40.06	333.	-5.1	-19.3	42.7	46.8
Proposed Future Mars Landing Site: Acidalia Planitia Mud Volcanoes: ESP_019612_2250 ESP_025203_2250 (Interval in Earth days: 436)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
44.51	317.	-3.1	-17.0	56.8	44.5
Crater with Central Pit in Tyrrhena Terra: ESP_019620_1680 ESP_036050_1680 (Interval in Earth days: 1280)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-11.8	106.	-8.3	16.38	58.7	60.8
Lava Channel in Tharsis Region: ESP_019694_2005 ESP_019839_2005 (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
20.27	242.	-5.5	11.06	53.2	53.0
Viscous Flow Feature: ESP_019635_2205 ESP_019780_2205 (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
40.38	49.0	3.74	15.81	55.2	56.2
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