🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.62 AU - 0.66 AU

Year: 336 Days

Day: 35.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,122,273 km

• M1: 398,828 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.3

Radius: 10.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.61 AU - 0.91 AU

Year: 435 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 159.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,122,273 km

• M1: 130,599 km (0.116 R)
• M2: 695,181 km (0.081 R)
• M3: 1,134,700 km (0.096 R)
• M4: 2,072,080 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.5

Radius: 12.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.2 AU - 1.64 AU

Year: 1110 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,122,273 km

• M1: 159,322 km (0.095 R)
• M2: 559,047 km (0.069 R)
• M3: 1,165,218 km (0.113 R)
• M4: 1,571,226 km (0.118 R)
• M5: 2,578,469 km (0.06 R)
• M6: 3,134,674 km (0.12 R)
• M7: 3,954,021 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 14

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.34 AU - 7.06 AU

Year: 8927 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,122,273 km

• M1: 174,132 km (0.085 R)
• M2: 1,973,495 km (0.066 R)
• M3: 2,936,606 km (0.075 R)
• M4: 4,029,269 km (0.057 R)
• M5: 4,714,726 km (0.118 R)
• M6: 6,065,894 km (0.119 R)
• M7: 8,133,786 km (0.086 R)
• M8: 11,444,985 km (0.099 R)
• M9: 12,178,613 km (0.112 R)
• M10: 18,834,522 km (0.08 R)
• M11: 20,505,829 km (0.1 R)
• M12: 27,185,972 km (0.082 R)
• M13: 37,227,580 km (0.056 R)
• M14: 38,712,787 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 13.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.67 AU - 5.95 AU

Year: 9187 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,122,273 km

• M1: 167,849 km (0.093 R)
• M2: 782,546 km (0.108 R)
• M3: 1,331,720 km (0.103 R)
• M4: 1,781,262 km (0.104 R)
• M5: 2,217,788 km (0.085 R)
• M6: 3,227,873 km (0.119 R)
• M7: 3,649,590 km (0.11 R)
• M8: 4,287,176 km (0.095 R)
• M9: 4,940,769 km (0.108 R)
• M10: 6,621,351 km (0.056 R)
• M11: 7,123,103 km (0.11 R)
• M12: 8,448,241 km (0.056 R)
• M13: 9,703,516 km (0.103 R)
• M14: 10,543,060 km (0.106 R)
• M15: 12,636,233 km (0.07 R)
• M16: 13,467,249 km (0.077 R)
• M17: 14,811,835 km (0.082 R)
• M18: 15,798,732 km (0.105 R)
• M19: 16,502,291 km (0.062 R)
• M20: 17,360,683 km (0.08 R)
• M21: 27,195,995 km (0.112 R)
• M22: 31,092,421 km (0.1 R)
• M23: 36,219,290 km (0.098 R)
• M24: 37,106,705 km (0.076 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: 342 - 15,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit