🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 11.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.41 AU - 0.67 AU

Year: 279 Days

Day: 9.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,794,994 km

• M1: 143,764 km (0.093 R)
• M2: 538,104 km (0.104 R)
• M3: 1,308,682 km (0.029 R)
• M4: 1,685,220 km (0.115 R)
• M5: 2,119,951 km (0.09 R)
• M6: 2,647,434 km (0.099 R)
• M7: 3,026,814 km (0.062 R)
• M8: 3,431,775 km (0.042 R)
• M9: 3,908,394 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 14.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,794,994 km

• M1: 184,005 km (0.084 R)
• M2: 796,908 km (0.073 R)
• M3: 1,316,611 km (0.055 R)
• M4: 2,392,220 km (0.105 R)
• M5: 2,969,667 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 14

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.81 AU - 2.01 AU

Year: 1855 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,794,994 km

• M1: 174,132 km (0.083 R)
• M2: 701,764 km (0.086 R)
• M3: 1,427,612 km (0.064 R)
• M4: 1,898,098 km (0.087 R)
• M5: 2,449,067 km (0.078 R)
• M6: 3,239,542 km (0.058 R)
• M7: 4,034,954 km (0.093 R)
• M8: 5,350,966 km (0.1 R)
• M9: 6,368,531 km (0.097 R)
• M10: 9,618,993 km (0.106 R)
• M11: 10,740,678 km (0.092 R)
• M12: 11,297,930 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 14.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.3 AU - 3.38 AU

Year: 3364 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,794,994 km

• M1: 182,360 km (0.059 R)
• M2: 652,247 km (0.12 R)
• M3: 1,288,337 km (0.104 R)
• M4: 2,132,667 km (0.046 R)
• M5: 5,918,840 km (0.098 R)
• M6: 7,535,843 km (0.063 R)
• M7: 8,413,683 km (0.074 R)
• M8: 10,847,192 km (0.076 R)
• M9: 12,444,598 km (0.063 R)
• M10: 13,907,366 km (0.097 R)
• M11: 14,878,107 km (0.101 R)
• M12: 15,841,816 km (0.098 R)
• M13: 17,063,582 km (0.111 R)
• M14: 19,574,881 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.8

Radius: 3

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.2 AU - 9.24 AU

Year: 18100 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 123.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,794,994 km

• M1: 37,399 km (0.111 R)
• M2: 157,227 km (0.084 R)
• M3: 422,016 km (0.083 R)
• M4: 537,505 km (0.106 R)
• M5: 1,323,492 km (0.084 R)
• M6: 4,420,168 km (0.075 R)
• M7: 6,119,002 km (0.118 R)
• M8: 11,725,481 km (0.101 R)
• M9: 14,640,396 km (0.102 R)
• M10: 29,876,340 km (0.072 R)
• M11: 33,440,958 km (0.104 R)
• M12: 33,549,866 km (0.116 R)
• M13: 39,912,114 km (0.076 R)
• M14: 41,777,001 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 16,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit