| { | |
| "bbox": { | |
| "lat_min": -90, | |
| "lat_max": 90, | |
| "lon_min": -180, | |
| "lon_max": 180 | |
| }, | |
| "width": 11520, | |
| "height": 5760, | |
| "elev_min": -4099, | |
| "elev_max": 6443, | |
| "dtype": "int16", | |
| "byte_order": "little", | |
| "row_order": "north_to_south", | |
| "col_order": "west_to_east", | |
| "reference_radius_m": 1188300, | |
| "rotation_period_days": 6.38723, | |
| "rotation_note": "retrograde rotation (negative angular velocity; tidally locked with Charon)", | |
| "coverage_note": "PARTIAL COVERAGE: New Horizons (July 2015 flyby) imaged ~46% of Pluto. Encounter hemisphere (~0-180E) has real topographic data; unimaged terrain (far side ~180-360E, 53.6% of source pixels) sits at reference level 0 and renders as featureless 'ocean'. (165,866,962/309,706,272 source pixels were nodata/unimaged)", | |
| "source": "NASA New Horizons mission, LORRI/MVIC instruments; Pluto New Horizons Global DEM 300m July 2017, public domain" | |
| } |