Moon S7 Hyperion

Orbital characteristics

Epoch 1-Jan-2000 (2451544.5 JD)
Apoapsis	0.0103 AU
Apoapsis	1.5358×10⁶ km
Periapsis	0.0098 AU
Periapsis	1.4661×10⁶ km
Semi-major axis	0.0100 AU
Semi-major axis	1.5009×10⁶ km
Eccentricity	0.0232000
Inclination	0.6150 °
Longitude of asc. node	263.85 °
Argument of periapsis	303.18 °
Orbital period	21.2800 days
Orbital period	0.058 years
Avg. orbital speed	5.129 km/s

Physical characteristics

Mean diameter	270.00 km
Mass	5.601×10¹⁸ kg
Avg. density	0.543 g/cm³
Equatorial surface gravity	0.021 m/s²
Equatorial surface gravity	0.002 g
Escape velocity	0.074 km/s
Albedo	0.300

Models:

Thomas 2018

Stooke

Textures: Solid Gray Grid

S12 Helene

S8 Iapetus

Shape model data sources

Thomas, P., Joseph, J., and Ansty, T., Saturn Small Moon Shape Models V1.0. urn:nasa:pds:saturn_satellite_shape_models::1.0. NASA Planetary Data System, 2018. link
Small Body Optical Shape Models link

Downloads

Models

Models are given in Stanford Triangle Format (PLY) and Alias Waveform Format (OBJ) - you can use MeshLab or any other tool to convert them to other formats.

Hyperion (Thomas 2018) (PLY 544 KB) (OBJ 1.1 MB)
Hyperion (Stooke) (PLY 94 KB) (OBJ 169 KB)

Please note that the models are in planetocentric coordinate system, with Z axis passing through north pole. Actual rotational axis may differ from planetocentric poles, especially for small irregular bodies.

Surface Textures

This object does not have textures yet and is being displayed as a solid gray shape.

Last Modified: 03 Jul 2021