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Chalawan (47 Ursae Majoris)

47 Ursae Majoris. Home of the Akirate Stevens clone race

Chalawan
Image from Steve Bowers
Taphao Thong, a water-rich gas giant with a pronounced axial tilt, has an extensive temperate atmosphere supporting many bubblehabs

Chalawan System - Data Panel

SystemLocation:
- Distance from Fons Luminis: 17.86 ly (J2000)
- Distance from Sol: 45.30 ly (J2000)
- Constellation: Ursa Major
StarNames: Chalawan, Akirate, 47 Ursae Majoris, Gliese 407 (GJ 407), HD 95128, HIP 53721, HR 4277
Physical characteristics:
- Mass: 1.05 x Sol
- Radius: 1.23 x Sol
- Temperature: 5,835 Kelvin
- Luminosity: 1.52 x Sol (bolometric)
- Spectral type: G1 V
- Rotation period: 24.8 days
- Age: 6.82 billion years
System:
1) Taphao Thong: HydroJovian HydrogeoBarian
Semi-major axis = 2.076 AU, Orbital period = 2.947 years, Eccentricity = 0.015, Mass = 2.47 x Jupiter, Radius = 11.35 x Earth
2) Taphao Kaew: AmmoJovian HydrogeoBarian
Semi-major axis = 3.43 AU, Orbital period = 6.272 years, Eccentricity = 0.17, Mass = 0.5 x Jupiter, Radius = 10.63 x Earth
3) Vimala: AmmoJovian HydrogeoBarian
Semi-major axis = 16 AU, Orbital period = 60 years, Eccentricity = 0.5, Mass = 1.5 x Jupiter, Radius = 11.42 x Earth
Reached1977 AT

Solar Dominion Inner Sphere system. Extensive orbital settlements extend throughout the system, and bubblehab colonies have been established in the atmosphere of all three gas giants.

The system was home of the Akirates, a heterodox offshoot of the powerful Stevens clade that arrived in 1977 AT. The system joined the Solar Dominion in 2866 AT.

 
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Appears in Topics
Inner SphereSolar DominionSystems & Worlds C - D
 
Development Notes
Text by Anders Sandberg, additions by Steve Bowers 2015
Data panel and text by The Astronomer, 2022
Initially published on 10 September 2001.

Renamed in December 2015 in line with new IAU nomenclature
 
 
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