🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 14.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.68 AU - 0.98 AU

Year: 513 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,237,642 km

• M1: 182,958 km (0.12 R)
• M2: 994,826 km (0.108 R)
• M3: 1,577,809 km (0.117 R)
• M4: 2,126,983 km (0.112 R)
• M5: 3,067,654 km (0.115 R)
• M6: 3,696,414 km (0.096 R)
• M7: 5,121,034 km (0.093 R)
• M8: 5,586,732 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 9.1

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,237,642 km

• M1: 113,246 km (0.067 R)
• M2: 408,253 km (0.118 R)
• M3: 704,905 km (0.116 R)
• M4: 1,009,038 km (0.098 R)
• M5: 1,688,511 km (0.088 R)
• M6: 1,977,235 km (0.063 R)
• M7: 2,329,538 km (0.088 R)
• M8: 3,063,166 km (0.113 R)
• M9: 3,417,863 km (0.114 R)
• M10: 3,771,512 km (0.113 R)
• M11: 4,255,910 km (0.118 R)
• M12: 4,633,644 km (0.117 R)
• M13: 5,922,580 km (0.115 R)
• M14: 6,681,191 km (0.109 R)
• M15: 7,127,441 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.2

Radius: 14.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.1 AU - 1.22 AU

Year: 847 Days

Day: 7.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 13,237,642 km

• M1: 178,321 km (0.115 R)
• M2: 871,707 km (0.097 R)
• M3: 2,146,729 km (0.039 R)
• M4: 3,539,934 km (0.11 R)
• M5: 4,240,501 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 10.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.67 AU - 4.15 AU

Year: 4271 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,237,642 km

• M1: 131,646 km (0.106 R)
• M2: 463,604 km (0.109 R)
• M3: 816,206 km (0.032 R)
• M4: 1,172,698 km (0.03 R)
• M5: 1,625,830 km (0.08 R)
• M6: 2,395,660 km (0.119 R)
• M7: 4,125,909 km (0.117 R)
• M8: 4,473,874 km (0.112 R)
• M9: 5,377,595 km (0.108 R)
• M10: 6,495,240 km (0.115 R)
• M11: 7,044,713 km (0.109 R)
• M12: 7,463,737 km (0.114 R)
• M13: 9,093,157 km (0.115 R)
• M14: 9,942,723 km (0.083 R)
• M15: 12,466,888 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 18,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit