Table 6

Standard map reference body/dimensions and projections for all entities (67P GL, SL, BL, and NR).

Entity Map Map projection
reference body map reference coordinates (cen_lat/cen_lon in °)

67P global (GL) Sphere: radius 1.5 km Entire 67P: equidistant projection (cen_lat/cen_lon: 0/90)
Submaps: primary/standard: Lambert azimuthal projection
Submaps: secondary: stereographic projection
2 submap aspects: cen_lat/cen_lon: 90/0, –90/0

67P big lobe (BL) Sphere: radius 1.5 km Entire lobe: equidistant projection (cen_lat/cen_lon: 0/140)
Submaps: primary/standard: Lambert azimuthal projection
Submaps: secondary: stereographic projection
6 submap aspects: cen_lat/cen_lon: 90/0, –90/0, 0/50, 0/140, 0/230, 0/320

67P small lobe (SL) Sphere: radius 1.1 km Entire lobe: equidistant projection (cen_lat/cen_lon: 0/0)
Submaps: primary/standard: Lambert azimuthal projection
Submaps: secondary: stereographic projection
6 submap aspects: cen_lat/cen_lon: 90/0, –90/0, 0/0, 0/90, 0/180, 0/270

67P neck region (NR) Sphere: radius 1.0 km Submaps: primary/standard: Lambert azimuthal projection
Submaps: secondary: stereographic projection
4 submap aspects: cen_lat/cen_lon: 90/0, –90/0, 0/60, 0/240

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