🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.7

Radius: 14.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 14.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,335,985 km

• M1: 180,265 km (0.102 R)
• M2: 653,443 km (0.102 R)
• M3: 1,226,553 km (0.106 R)
• M4: 1,740,122 km (0.048 R)
• M5: 2,290,643 km (0.11 R)
• M6: 2,977,147 km (0.105 R)
• M7: 4,100,328 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 11.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.73 AU - 0.75 AU

Year: 424 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,335,985 km

• M1: 143,614 km (0.1 R)
• M2: 518,057 km (0.088 R)
• M3: 881,879 km (0.076 R)
• M4: 1,432,400 km (0.093 R)
• M5: 2,599,413 km (0.095 R)
• M6: 2,959,644 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.5

Radius: 13

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.95 AU - 3.85 AU

Year: 4181 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,335,985 km

• M1: 161,715 km (0.101 R)
• M2: 661,671 km (0.112 R)
• M3: 1,327,831 km (0.045 R)
• M4: 2,667,330 km (0.115 R)
• M5: 3,364,755 km (0.076 R)
• M6: 4,727,293 km (0.074 R)
• M7: 5,255,373 km (0.109 R)
• M8: 6,305,401 km (0.112 R)
• M9: 8,726,044 km (0.104 R)
• M10: 9,589,373 km (0.094 R)
• M11: 11,190,370 km (0.066 R)
• M12: 13,705,559 km (0.096 R)
• M13: 14,475,988 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.7

Radius: 13.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.79 AU - 4.45 AU

Year: 4593 Days

Day: 11.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,335,985 km

• M1: 165,754 km (0.106 R)
• M2: 621,430 km (0.106 R)
• M3: 1,774,081 km (0.118 R)
• M4: 2,510,103 km (0.057 R)
• M5: 3,027,113 km (0.111 R)
• M6: 3,733,514 km (0.081 R)
• M7: 4,972,783 km (0.092 R)
• M8: 5,876,803 km (0.11 R)
• M9: 6,587,542 km (0.1 R)
• M10: 7,010,156 km (0.054 R)
• M11: 10,336,764 km (0.081 R)
• M12: 11,203,385 km (0.071 R)
• M13: 12,388,200 km (0.079 R)
• M14: 13,654,845 km (0.082 R)
• M15: 16,444,995 km (0.087 R)
• M16: 17,568,624 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 13,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit