🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.44 AU - 0.64 AU

Year: 178 Days

Day: 41.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.64 AU - 1.04 AU

Year: 346 Days

Day: 29.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.63 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 13.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.09 AU - 2.73 AU

Year: 1682 Days

Day: 7.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,380,327 km

• M1: 171,589 km (0.073 R)
• M2: 653,593 km (0.11 R)
• M3: 1,197,082 km (0.103 R)
• M4: 1,671,008 km (0.055 R)
• M5: 2,162,587 km (0.089 R)
• M6: 2,794,189 km (0.048 R)
• M7: 3,233,708 km (0.114 R)
• M8: 4,027,474 km (0.067 R)
• M9: 4,551,814 km (0.117 R)
• M10: 5,714,938 km (0.055 R)
• M11: 6,202,328 km (0.041 R)
• M12: 7,205,531 km (0.114 R)
• M13: 8,375,686 km (0.071 R)
• M14: 8,909,900 km (0.115 R)
• M15: 9,399,982 km (0.111 R)
• M16: 9,942,723 km (0.08 R)
• M17: 10,542,312 km (0.042 R)
• M18: 11,697,656 km (0.094 R)
• M19: 13,395,741 km (0.098 R)
• M20: 15,252,849 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 13.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.27 AU - 9.01 AU

Year: 10441 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,380,327 km

• M1: 165,455 km (0.088 R)
• M2: 947,703 km (0.089 R)
• M3: 1,690,755 km (0.052 R)
• M4: 2,144,635 km (0.112 R)
• M5: 2,709,666 km (0.119 R)
• M6: 3,255,399 km (0.12 R)
• M7: 5,117,594 km (0.113 R)
• M8: 5,733,039 km (0.074 R)
• M9: 6,318,116 km (0.117 R)
• M10: 7,027,360 km (0.114 R)
• M11: 15,413,966 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.4

Radius: 4.7

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.08 AU - 11.42 AU

Year: 12648 Days

Day: 19.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,380,327 km

• M1: 65,225 km (0.066 R)
• M2: 213,626 km (0.085 R)
• M3: 360,381 km (0.09 R)
• M4: 664,813 km (0.111 R)
• M5: 883,076 km (0.11 R)
• M6: 1,701,825 km (0.066 R)
• M7: 2,235,142 km (0.057 R)
• M8: 3,314,191 km (0.029 R)
• M9: 5,637,745 km (0.05 R)
• M10: 6,471,604 km (0.115 R)
• M11: 9,557,060 km (0.115 R)
• M12: 9,940,180 km (0.068 R)
• M13: 11,846,207 km (0.112 R)
• M14: 13,922,027 km (0.063 R)
• M15: 14,664,630 km (0.115 R)
• M16: 19,150,921 km (0.109 R)
• M17: 20,775,554 km (0.058 R)
• M18: 24,472,865 km (0.118 R)
• M19: 33,792,663 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 15,907 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit