162173 Ryugu

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Project home: Ryugu-00.zip
Author: francisdrake
Current version: 00
Compatibility: Orbiter 2016


Ryugu
Ryugu.png
Ryugu in Orbiter
Designation
Name Ryugu
Reference body Sun
Number of satellites 0
Planetary mean orbits
Epoch 2020.9596167
Semimajor axis (a) 1.78107351195385×1011 km
(1.19057410625364 AU)
Eccentricity (e) 0.1909944
Inclination (i) 0.102690286265441 radian
(5.88372°)
Longitude of the ascending node (LAN, ☊) 0 radian
Rotational Elements
Sidereal Rotation Period 87133.4717273712 seconds
(1.00848925610383 days)
Sidereal Rotation Offset 0
Selected physical parameters
Mean radius 450 m
Mass 7.24641539269111×10<su>10 kg
Equatorial gravity 0.0032 m/s-10
Orbital speed at surface 0.1034 m/s
Escape velocity 0.000147 m/s
Gravity at surface Ryugu 1%
Sun 99%
Note *Elements given are from Ryugu.cfg file.

162173 Ryugu or in Orbiter simply Ryugu is near-Earth object of the Appolo group of small bodies, discovered by Lincoln Near-Earth Asteroid Research astronomers on 10 May 1999.

Ryugu is an add-on by francisdrake released in 2023 on the forum, and is compatible with Orbiter 2016. In Orbiter, Ryugu orbits the Sun with a semi-major axis of 1.19 AU, inclination of 0.1027 radians, and eccentricity of 0.19. Its gravity is very weak, even at the surface, in OrbitMFD, Ryugu's gravity is 1% and the Sun's gravity is 99%. A person could literally jump at greater than escape speed. Rotation is just over a day.

The landing surface (hard radius) is well inside the mesh/texture, so, landing on Ryugu places the spacecraft well inside the body.


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