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Callirrhoe, Moon of Jupiter

Callirrhoe is a Moon that orbits round the planet Jupiter. It is also know by other designations, JXVII, S/1999 J1. Its mass is estimated/calculated at being 869,227,691,196,372 kg. Its density has been calculated at being 2.6. Its volume is 333.

Callirrhoe was discovered on 19 October 1999 by Jim V. Scotti, Timothy B. Spahr, Robert S. McMillan, Jeffrey A. Larsen, Joe Montani, Arianna E. Gleason, and Tom Gehrels.

The orbital period, i.e. the period it takes to complete an orbit round Jupiter is 758.8 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Equatorial Radius of the object is 4km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 19 km/h. The Escape Velocity is the speed an object needs to be travelling in order to break free from the objects gravity. The larger an object is, the more velocity (speed) is needed to break free from the object.The Semi-Major Axis of the orbit is 24100, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Callirrhoe is 27.0 km. The surface area of Callirrhoe is 232.35. The surface gravity of the said item is 0.003. The Mean orbit velocity, that is the speed at which it orbits is 8147.00 km/h. The is the average distance in km of the object is from its parent 24102000.00.

The orbital inclination, the angle at which Callirrhoe orbits in relation to the orbital plane is 147.1 degrees. The orbital eccentricity is 0.2829, it is the degree at which Callirrhoe orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Pasiphae Moon Group

Pasiphae group of Jovian Moons are all believed to have been created from the same source, notably through the result of an asteroid collision. The remnants were captured by Jupiters immense gravity and became satellites.

The largest of the group is Pasiphae from which the group gets it name from. Although, believed to be the result of a collision, confidence in this is lower than other groups because amongst other things, they all have differing colours, eccentricity and inclination.

There is doubt as to whether Sinope is from the same source as the others. It may exhibit some of the characteristics but there is more to indiciate that its source is elsewhere. Pasiphae contains 99% of the mass of the group without Sinope being included, otherwise it is down to 87% N.A.S.A.

List of Members in Pasiphae Group

Callirrhoe Facts


TypeMoon
DesignationsJXVII, S/1999 J1
Mass (kg)869,227,691,196,372
Density (g/cm^3)2.6
Volume (km^3)333
Orbital DirectionRetrograde, opposite to the parents direction
Date of Discovery19 October 1999
DiscovererJim V. Scotti, Timothy B. Spahr, Robert S. McMillan, Jeffrey A. Larsen, Joe Montani, Arianna E. Gleason, and Tom Gehrels
Orbital Period (days)758.8
Equatorial Radius (km)4
Escape Velocity (km/h)19
Semi-Major Axis (10^3 km)24100
Equatorial Circumference (km)27.0
Surface Area (km^2)232.35
Surface Gravity (m/s^2)0.003
Mean Orbit Velocity (km/h)8147.00
Average Orbit Distance (km)24102000.00
Orbital Inclination (degrees)147.1
Orbital Eccentricity0.2829
Source(s)https://solarsystem.nasa.gov/moons/jupiter-moons/callirrhoe/in-depth/
https://nssdc.gsfc.nasa.gov/planetary/factsheet/joviansatfact.html


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