🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 11.7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 10.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,284,877 km

• M1: 145,559 km (0.091 R)
• M2: 520,301 km (0.058 R)
• M3: 917,633 km (0.079 R)
• M4: 1,282,054 km (0.112 R)
• M5: 1,687,614 km (0.078 R)
• M6: 2,136,706 km (0.116 R)
• M7: 2,518,181 km (0.112 R)
• M8: 2,924,040 km (0.101 R)
• M9: 3,338,576 km (0.048 R)
• M10: 3,741,293 km (0.095 R)
• M11: 5,656,295 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 13.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.61 AU - 0.87 AU

Year: 439 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,284,877 km

• M1: 166,652 km (0.091 R)
• M2: 608,863 km (0.115 R)
• M3: 1,571,526 km (0.082 R)
• M4: 2,252,645 km (0.12 R)
• M5: 2,680,644 km (0.083 R)
• M6: 3,344,260 km (0.111 R)
• M7: 3,906,300 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 12

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.65 AU - 0.83 AU

Year: 439 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 17,284,877 km

• M1: 149,299 km (0.074 R)
• M2: 654,191 km (0.041 R)
• M3: 1,098,647 km (0.06 R)
• M4: 1,595,760 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 9.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.24 AU - 1.66 AU

Year: 1205 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,284,877 km

• M1: 116,986 km (0.119 R)
• M2: 441,463 km (0.081 R)
• M3: 977,323 km (0.057 R)
• M4: 1,577,210 km (0.114 R)
• M5: 2,011,343 km (0.102 R)
• M6: 2,645,938 km (0.098 R)
• M7: 3,110,888 km (0.047 R)
• M8: 3,488,922 km (0.111 R)
• M9: 3,909,890 km (0.081 R)
• M10: 4,941,816 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 14.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.75 AU - 2.53 AU

Year: 2161 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,284,877 km

• M1: 192,981 km (0.074 R)
• M2: 663,167 km (0.046 R)
• M3: 1,177,036 km (0.109 R)
• M4: 1,644,978 km (0.043 R)
• M5: 2,093,473 km (0.098 R)
• M6: 3,134,075 km (0.066 R)
• M7: 3,602,766 km (0.116 R)
• M8: 4,516,809 km (0.039 R)
• M9: 5,029,331 km (0.1 R)
• M10: 5,676,342 km (0.117 R)
• M11: 7,223,034 km (0.077 R)
• M12: 8,676,527 km (0.112 R)
• M13: 9,269,234 km (0.062 R)
• M14: 10,317,316 km (0.054 R)
• M15: 11,135,018 km (0.077 R)
• M16: 13,111,805 km (0.117 R)
• M17: 14,798,670 km (0.078 R)
• M18: 15,646,591 km (0.103 R)
• M19: 16,877,632 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 19,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit