🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.49 AU - 0.75 AU

Year: 315 Days

Day: 14.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 14.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.66 AU - 0.96 AU

Year: 471 Days

Day: 14.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,805,392 km

• M1: 179,218 km (0.078 R)
• M2: 642,224 km (0.061 R)
• M3: 1,228,049 km (0.092 R)
• M4: 2,085,544 km (0.057 R)
• M5: 2,744,373 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.6

Radius: 10.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.2 AU - 1.72 AU

Year: 1139 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 35,805,392 km

• M1: 126,859 km (0.088 R)
• M2: 528,080 km (0.118 R)
• M3: 1,463,217 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.4

Radius: 5.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.26 AU - 7.96 AU

Year: 13555 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,805,392 km

• M1: 68,665 km (0.059 R)
• M2: 259,552 km (0.04 R)
• M3: 546,481 km (0.037 R)
• M4: 760,406 km (0.077 R)
• M5: 1,029,682 km (0.097 R)
• M6: 1,597,107 km (0.094 R)
• M7: 2,072,678 km (0.09 R)
• M8: 2,946,180 km (0.074 R)
• M9: 3,171,924 km (0.103 R)
• M10: 3,943,699 km (0.084 R)
• M11: 4,347,165 km (0.117 R)
• M12: 6,141,741 km (0.117 R)
• M13: 6,374,964 km (0.04 R)
• M14: 6,579,614 km (0.087 R)
• M15: 7,746,178 km (0.097 R)
• M16: 10,433,703 km (0.088 R)
• M17: 13,968,402 km (0.039 R)
• M18: 17,419,924 km (0.058 R)
• M19: 18,918,446 km (0.095 R)
• M20: 24,090,344 km (0.119 R)
• M21: 24,838,482 km (0.113 R)
• M22: 25,345,769 km (0.111 R)
• M23: 26,644,278 km (0.083 R)
• M24: 26,997,778 km (0.069 R)
• M25: 32,182,392 km (0.066 R)
• M26: 34,743,806 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 19,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit