geojasper -f 18stj955140.jp2 -T tif -o listgeo

Geotiff_Information:
   Version: 1
   Key_Revision: 1.0
   Tagged_Information:
      ModelTiepointTag (2,3):
         0                0                0
         295500           4315500          0
      ModelPixelScaleTag (1,3):
         0.3              0.3              0
      End_Of_Tags.
   Keyed_Information:
      GTModelTypeGeoKey (Short,1): ModelTypeProjected
      GTRasterTypeGeoKey (Short,1): RasterPixelIsArea
      GeogGeodeticDatumGeoKey (Short,1): Datum_North_American_Datum_1983
      GeogEllipsoidGeoKey (Short,1): Ellipse_GRS_1980
      ProjectedCSTypeGeoKey (Short,1): PCS_NAD83_UTM_zone_18N
      PCSCitationGeoKey (Ascii,58): "Universal Transverse Mercator; North American 1983; GRS80"
      ProjLinearUnitsGeoKey (Short,1): Linear_Meter
      ProjNatOriginLongGeoKey (Double,1): -75
      ProjNatOriginLatGeoKey (Double,1): 0
      ProjFalseEastingGeoKey (Double,1): 500000
      ProjFalseNorthingGeoKey (Double,1): 0
      ProjScaleAtNatOriginGeoKey (Double,1): 0.9996
      End_Of_Keys.
   End_Of_Geotiff.

PCS = 26918 (NAD83 / UTM zone 18N)
Projection = 16018 (UTM zone 18N)
Projection Method: CT_TransverseMercator
   ProjNatOriginLatGeoKey: 0.000000 (  0d 0' 0.00"N)
   ProjNatOriginLongGeoKey: -75.000000 ( 75d 0' 0.00"W)
   ProjScaleAtNatOriginGeoKey: 0.999600
   ProjFalseEastingGeoKey: 500000.000000 m
   ProjFalseNorthingGeoKey: 0.000000 m
GCS: 4269/NAD83
Datum: 6269/North American Datum 1983
Ellipsoid: 7019/GRS 1980 (6378137.00,6356752.31)
Prime Meridian: 8901/Greenwich (0.000000/  0d 0' 0.00"E)
Projection Linear Units: 9001/metre (1.000000m)

Corner Coordinates:
Upper Left    (  295500.000, 4315500.000)  ( 77d21'37.23"W, 38d57'52.63"N)
Lower Left    (  295500.000, 4314000.000)  ( 77d21'35.61"W, 38d57' 4.01"N)
Upper Right   (  297000.000, 4315500.000)  ( 77d20'34.95"W, 38d57'53.88"N)
Lower Right   (  297000.000, 4314000.000)  ( 77d20'33.35"W, 38d57' 5.26"N)
Center        (  296250.000, 4314750.000)  ( 77d21' 5.28"W, 38d57'28.95"N)