🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.48 AU - 0.58 AU

Year: 249 Days

Day: 19.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,477,098 km

• M1: 55,800 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.46 AU - 0.72 AU

Year: 293 Days

Day: 17.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 11.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.64 AU - 1.02 AU

Year: 488 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,477,098 km

• M1: 138,079 km (0.062 R)
• M2: 541,245 km (0.091 R)
• M3: 939,923 km (0.077 R)
• M4: 1,372,112 km (0.11 R)
• M5: 1,967,960 km (0.097 R)
• M6: 2,829,195 km (0.053 R)
• M7: 3,618,772 km (0.105 R)
• M8: 4,104,666 km (0.042 R)
• M9: 4,549,570 km (0.037 R)
• M10: 4,937,328 km (0.063 R)
• M11: 5,300,552 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 10.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.72 AU - 1.2 AU

Year: 607 Days

Day: 9.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,477,098 km

• M1: 135,835 km (0.047 R)
• M2: 569,070 km (0.103 R)
• M3: 1,113,158 km (0.105 R)
• M4: 1,779,915 km (0.036 R)
• M5: 2,286,155 km (0.11 R)
• M6: 2,696,352 km (0.099 R)
• M7: 3,155,617 km (0.095 R)
• M8: 3,502,834 km (0.043 R)
• M9: 5,255,224 km (0.098 R)
• M10: 5,624,730 km (0.042 R)
• M11: 6,138,599 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 9.2

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.37 AU - 1.75 AU

Year: 1258 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 13,477,098 km

• M1: 115,639 km (0.081 R)
• M2: 931,696 km (0.081 R)
• M3: 1,283,999 km (0.115 R)
• M4: 1,744,910 km (0.12 R)
• M5: 2,047,995 km (0.109 R)
• M6: 2,641,599 km (0.066 R)
• M7: 3,314,490 km (0.115 R)
• M8: 3,633,732 km (0.105 R)
• M9: 4,242,296 km (0.079 R)
• M10: 4,717,419 km (0.078 R)
• M11: 5,122,829 km (0.119 R)
• M12: 5,529,287 km (0.102 R)
• M13: 6,358,657 km (0.056 R)
• M14: 7,563,369 km (0.075 R)
• M15: 9,408,210 km (0.103 R)
• M16: 9,823,344 km (0.083 R)
• M17: 11,319,921 km (0.109 R)
• M18: 11,899,912 km (0.074 R)
• M19: 12,499,800 km (0.088 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: 253 - 18,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit