🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.7

Radius: 8.6

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,408,541 km

• M1: 106,962 km (0.046 R)
• M2: 437,723 km (0.083 R)
• M3: 1,088,025 km (0.033 R)
• M4: 1,428,211 km (0.076 R)
• M5: 2,014,784 km (0.063 R)
• M6: 2,373,221 km (0.116 R)
• M7: 2,652,221 km (0.117 R)
• M8: 3,040,278 km (0.106 R)
• M9: 3,358,771 km (0.119 R)
• M10: 3,712,122 km (0.102 R)
• M11: 3,983,343 km (0.054 R)
• M12: 4,337,590 km (0.109 R)
• M13: 4,742,552 km (0.105 R)
• M14: 5,172,646 km (0.101 R)
• M15: 5,479,022 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203

Radius: 11.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.85 AU - 1.25 AU

Year: 717 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,408,541 km

• M1: 140,622 km (0.085 R)
• M2: 550,371 km (0.103 R)
• M3: 1,069,774 km (0.098 R)
• M4: 1,478,775 km (0.081 R)
• M5: 1,985,014 km (0.1 R)
• M6: 2,364,095 km (0.04 R)
• M7: 3,362,063 km (0.107 R)
• M8: 3,830,154 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 12.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.2 AU - 1.68 AU

Year: 1152 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,408,541 km

• M1: 154,235 km (0.117 R)
• M2: 693,386 km (0.109 R)
• M3: 1,076,506 km (0.082 R)
• M4: 2,042,909 km (0.098 R)
• M5: 2,605,546 km (0.086 R)
• M6: 3,313,294 km (0.113 R)
• M7: 3,816,242 km (0.116 R)
• M8: 6,777,681 km (0.111 R)
• M9: 8,893,145 km (0.115 R)
• M10: 9,506,795 km (0.083 R)
• M11: 9,962,171 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 14.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.39 AU - 2.41 AU

Year: 2479 Days

Day: 12.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,408,541 km

• M1: 178,470 km (0.075 R)
• M2: 667,057 km (0.082 R)
• M3: 1,389,016 km (0.095 R)
• M4: 2,850,139 km (0.114 R)
• M5: 3,682,800 km (0.087 R)
• M6: 5,729,898 km (0.115 R)
• M7: 6,482,225 km (0.072 R)
• M8: 7,924,498 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 10.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.71 AU - 2.95 AU

Year: 3175 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,408,541 km

• M1: 137,630 km (0.118 R)
• M2: 577,448 km (0.118 R)
• M3: 1,208,152 km (0.04 R)
• M4: 1,570,628 km (0.067 R)
• M5: 2,051,286 km (0.084 R)
• M6: 2,408,077 km (0.093 R)
• M7: 4,220,306 km (0.105 R)
• M8: 8,296,698 km (0.067 R)
• M9: 9,534,321 km (0.1 R)
• M10: 10,333,772 km (0.118 R)
• M11: 11,690,326 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit