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Collection:
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NASA Planetary Photo Journal Collection
Collection
NASA Planetary Photo Journal Collection
Collection
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Title:
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Mars Pathfinder Landing Ellipses
Title
Mars Pathfinder Landing Ellipses
Title
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Original Caption Released with Image:
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Mosaic of Ares Vallis showing different landing ellipses, with color inset of the Chryse Planitia region of Mars showing the outflow channels. The large blue ellipse (100 km by 200 km) to the northwest is an ellipse in the USGS cartographic reference frame designed to avoid streamlined hills to the south and east, craters to the north, and etched terrain to the west (this ellipse is shown in the color inset). The large yellow ellipse (100 km by 200 km) displaced toward the southeast (by 20 km in longitude and 8 km in latitude) is the navigation target ellipse in the revised local cartographic reference frame (which are the latitude and longitude shown in this figure). The elongate light blue ellipse (98 km by 19 km) is the navigation prediction as of late 3 July and early 4 July; it includes part of the streamlined island in the southwest. The gold ellipse (15 km by 8 km) is the prediction with tracking through atmospheric entry. The pink ellipse (41 km by 15 km), which encloses the smallest ellipse (and the location of the lander), is the navigation result with dispersions added for atmospheric entry and descent. The blue X is the location of the lander with respect to surface features identified in Viking orbiter images (located at 19.33 degrees N, 33.55 degrees W in the local reference frame). The location of the lander in inertial space (19.30 degrees N, 33.52 degrees W) from the two-way ranging and Doppler tracking of the lander is at the very northwest edge of the crater, just 2.2 km to the south-southeast of the X. If the location of the lander in inertial space is forced to coincide with its location with respect to surface features, then the resulting cartographic frame is actually 2 km to the south and 0.8 km to the east of the local network. Color mosaic is part of the Oxia Palus Quadrangle (MC 11) of Mars; black and white mosaic from Viking orbiter images of 38 m/pixel resolution; north is at the top.
NOTE: original caption as published in Science Magazine
Original_Caption_Rel eased_with_Image
Mosaic of Ares Vallis showing different landing ellipses, with color inset of the Chryse Planitia region of Mars showing the outflow channels. The large blue ellipse (100 km by 200 km) to the northwest is an ellipse in the USGS cartographic reference frame designed to avoid streamlined hills to the south and east, craters to the north, and etched terrain to the west (this ellipse is shown in the color inset). The large yellow ellipse (100 km by 200 km) displaced toward the southeast (by 20 km in longitude and 8 km in latitude) is the navigation target ellipse in the revised local cartographic reference frame (which are the latitude and longitude shown in this figure). The elongate light blue ellipse (98 km by 19 km) is the navigation prediction as of late 3 July and early 4 July; it includes part of the streamlined island in the southwest. The gold ellipse (15 km by 8 km) is the prediction with tracking through atmospheric entry. The pink ellipse (41 km by 15 km), which encloses the smallest ellipse (and the location of the lander), is the navigation result with dispersions added for atmospheric entry and descent. The blue X is the location of the lander with respect to surface features identified in Viking orbiter images (located at 19.33 degrees N, 33.55 degrees W in the local reference frame). The location of the lander in inertial space (19.30 degrees N, 33.52 degrees W) from the two-way ranging and Doppler tracking of the lander is at the very northwest edge of the crater, just 2.2 km to the south-southeast of the X. If the location of the lander in inertial space is forced to coincide with its location with respect to surface features, then the resulting cartographic frame is actually 2 km to the south and 0.8 km to the east of the local network. Color mosaic is part of the Oxia Palus Quadrangle (MC 11) of Mars; black and white mosaic from Viking orbiter images of 38 m/pixel resolution; north is at the top.
NOTE: original caption as published in Science Magazine
Original Caption Released with Image
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Other Information:
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Other_Information
Other Information
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Addition Date:
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1997-12-12
Addition_Date
1997-12-12
Addition Date
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Produced By:
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JPL
Produced_By
JPL
Produced By
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Mission:
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Mars Pathfinder (MPF)
Mission
Mars Pathfinder (MPF)
Mission
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Spacecraft:
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Mars Pathfinder Lander
Spacecraft
Mars Pathfinder Lander
Spacecraft
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Target Name:
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Mars
Target_Name
Mars
Target Name
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Is a satellite of:
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Sol (our sun)
Is_a_satellite_of
Sol (our sun)
Is a satellite of
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Instrument:
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Imager for Mars Pathfinder
Instrument
Imager for Mars Pathfinder
Instrument
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Product Size:
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1784 samples x 1271 lines
Product_Size
1784 samples x 1271 lines
Product Size
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Primary Data Set:
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MARS_PATHFINDER_PAGE
Primary_Data_Set
MARS_PATHFINDER_PAGE
Primary Data Set
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Producer ID:
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P49457
MRPS86247
Producer_ID
P49457
MRPS86247
Producer ID
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facet_what:
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Sun
facet_what
Sun
facet_what
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facet_what:
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Crater
facet_what
Crater
facet_what
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facet_what:
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Mars
facet_what
Mars
facet_what
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facet_what:
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Viking
facet_what
Viking
facet_what
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facet_what:
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Imager
facet_what
Imager
facet_what
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facet_what:
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Mars Pathfinder
facet_what
Mars Pathfinder
facet_what
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facet_what:
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MPF
facet_what
MPF
facet_what
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facet_what:
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Mars Pathfinder Lander
facet_what
Mars Pathfinder Lander
facet_what
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facet_what:
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Imager for Mars Pathfinder
facet_what
Imager for Mars Pathfinder
facet_what
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facet_where:
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Mars
facet_where
Mars
facet_where
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facet_where:
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Jet Propulsion Laboratory (JPL)
facet_where
Jet Propulsion Laboratory (JPL)
facet_where
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facet_when:
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December, 1997
facet_when
December, 1997
facet_when
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facet_when_year:
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1997
facet_when_year
1997
facet_when_year
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Image #:
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PIA01123
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UID:
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SPD-PHOTJ-PIA01123
UID
SPD-PHOTJ-PIA01123
UID
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orignial url:
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orignial_url
orignial url
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