🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 9.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 10.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,132,578 km

• M1: 115,639 km (0.115 R)
• M2: 451,786 km (0.07 R)
• M3: 771,327 km (0.096 R)
• M4: 1,155,344 km (0.117 R)
• M5: 1,480,720 km (0.079 R)
• M6: 1,829,582 km (0.093 R)
• M7: 2,590,886 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 13

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.77 AU - 1.05 AU

Year: 579 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,132,578 km

• M1: 161,715 km (0.119 R)
• M2: 567,275 km (0.074 R)
• M3: 1,223,112 km (0.096 R)
• M4: 1,640,939 km (0.063 R)
• M5: 2,329,837 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310

Radius: 14.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.4 AU

Year: 822 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,132,578 km

• M1: 175,478 km (0.064 R)
• M2: 642,972 km (0.104 R)
• M3: 1,386,024 km (0.097 R)
• M4: 1,847,534 km (0.115 R)
• M5: 3,419,658 km (0.04 R)
• M6: 5,321,495 km (0.083 R)
• M7: 6,309,739 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 11.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.65 AU - 1.93 AU

Year: 1597 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,132,578 km

• M1: 145,559 km (0.12 R)
• M2: 924,814 km (0.067 R)
• M3: 1,901,239 km (0.114 R)
• M4: 2,367,985 km (0.093 R)
• M5: 2,753,798 km (0.072 R)
• M6: 3,169,829 km (0.105 R)
• M7: 4,292,412 km (0.095 R)
• M8: 4,773,967 km (0.073 R)
• M9: 5,291,576 km (0.091 R)
• M10: 6,538,923 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.8

Radius: 10.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.18 AU - 5.28 AU

Year: 6860 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,132,578 km

• M1: 262,993 km (0.102 R)
• M2: 753,375 km (0.091 R)
• M3: 1,339,948 km (0.076 R)
• M4: 2,004,013 km (0.115 R)
• M5: 2,622,600 km (0.056 R)
• M6: 3,330,049 km (0.036 R)
• M7: 4,061,881 km (0.113 R)
• M8: 7,458,052 km (0.086 R)
• M9: 8,577,942 km (0.112 R)
• M10: 11,187,976 km (0.107 R)
• M11: 12,233,515 km (0.106 R)
• M12: 12,652,539 km (0.034 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 15,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit