Helene - Voyager 2

Saturn's small satellite Helene from 341,000 km

Helene
Detail of Voyager 2 image showing the small Saturnian moon Helene, taken from a distance of 340,000 km. Helene is about 32 km in diameter and orbits Saturn at 377,000 km with a period of 2.7 days. The brightly lit portion of this image is about 21 km across and north is up. (Voyager 2, FDS 43995.47)
Larger image:

High resolution tiff file (1.0 Mb)


Location & Time Information
Date/Time (UT): 1981-08-25 T 19:31:57
Distance/Range (km): 340,967.
Central Latitude/Longitude (deg): +31.,79.
Orbit(s): Flyby

Imaging Information
Area or Feature Type: Global View
Instrument: Narrow Angle Vidicon Camera
Instrument Resolution (pixels): 800 x 800, 8 bit
Instrument Field of View (deg): 0.424 x 0.424
Filter: clear
Illumination Incidence Angle (deg): 87.41
Phase Angle (deg): 87.53
Instrument Look Direction: N/A
Surface Emission Angle (deg): 0.15

Ordering Information
CD-ROM Volume: VG_0005
NASA Image ID number: FDS 43995.47
Other Image ID number: Picno 1210S2-001
NSSDC Data Set ID (Photo): NSD XD-12A
NSSDC Data Set ID (CD): 77-076-01W
Other ID:

Updated 05 May 2003, DRW.