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

Light-Toned Layered Deposits Exposed along Ladon Valles Floor: ESP_033998_1585 ESP_037400_1585 (Interval in Earth days: 265)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-21.3	330.	5.29	17.23	56.8	61.1
Possible Terraced Crater in Arcadia Planitia: ESP_033791_2290 ESP_034081_2290 (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
48.60	213.	-0.0	20.48	46.8	43.4
Light-Toned Unit along Coprates Chasma Ridge: ESP_034052_1670 ESP_034474_1670 (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
-12.8	295.	10.4	-3.86	51.7	57.0
Northern Plains Crater Modification Substrate Effects: ESP_033738_2300 ESP_034384_2300 (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
49.70	219.	3.47	28.19	47.5	41.7
Possible Future Landing Site Near Eastern Valley of Jezero Crater: ESP_033717_1990 ESP_033651_1990 (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
18.68	78.1	-3.6	17.07	38.9	36.9
Aprons with Raised Edges: ESP_033779_2310 ESP_034069_2310 (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
50.43	180.	-2.9	17.05	48.1	44.6
Possible Terraced Crater in Arcadia Planitia: ESP_034055_2265 ESP_034134_2265 (Interval in Earth days: 6)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
46.34	205.	7.56	29.68	43.7	41.3
Bedrock North of Hellas Planitia: ESP_033942_1525 ESP_034087_1525 (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
-27.2	60.6	4.99	21.55	60.0	60.9
Valleys in Crater Northwest of Hellas Planitia: ESP_033956_1580 ESP_042277_1580 (Interval in Earth days: 648)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-21.7	38.1	-0.9	-11.6	56.9	51.2
Valley in Pit Crater: ESP_033825_1695 ESP_034181_1695 (Interval in Earth days: 27)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-10.2	12.3	7.27	21.71	47.8	50.8
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