🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.44 AU - 0.64 AU

Year: 256 Days

Day: 38.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 10,733,360 km

• M1: 515,963 km (0.067 R)
• M2: 617,390 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.62 AU - 0.64 AU

Year: 323 Days

Day: 26.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 11.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.79 AU - 0.99 AU

Year: 542 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,733,360 km

• M1: 140,472 km (0.037 R)
• M2: 506,239 km (0.08 R)
• M3: 1,040,154 km (0.081 R)
• M4: 1,447,808 km (0.116 R)
• M5: 1,859,202 km (0.082 R)
• M6: 2,576,973 km (0.096 R)
• M7: 3,127,643 km (0.087 R)
• M8: 3,577,483 km (0.074 R)
• M9: 3,982,894 km (0.104 R)
• M10: 5,696,537 km (0.094 R)
• M11: 6,114,514 km (0.112 R)
• M12: 6,800,869 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 8.1

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.21 AU - 1.29 AU

Year: 902 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 10,733,360 km

• M1: 100,829 km (0.08 R)
• M2: 376,239 km (0.08 R)
• M3: 801,695 km (0.052 R)
• M4: 1,080,396 km (0.114 R)
• M5: 1,393,953 km (0.11 R)
• M6: 1,850,675 km (0.102 R)
• M7: 2,187,270 km (0.113 R)
• M8: 2,984,627 km (0.098 R)
• M9: 3,700,303 km (0.113 R)
• M10: 4,439,616 km (0.098 R)
• M11: 4,736,568 km (0.105 R)
• M12: 5,046,684 km (0.036 R)
• M13: 5,647,320 km (0.069 R)
• M14: 6,338,163 km (0.098 R)
• M15: 6,715,448 km (0.117 R)
• M16: 6,967,371 km (0.109 R)
• M17: 7,786,719 km (0.064 R)
• M18: 8,402,763 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 14.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.79 AU - 3.05 AU

Year: 3222 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,733,360 km

• M1: 179,069 km (0.101 R)
• M2: 679,773 km (0.085 R)
• M3: 1,443,769 km (0.099 R)
• M4: 2,113,220 km (0.073 R)
• M5: 2,718,941 km (0.105 R)
• M6: 4,793,864 km (0.084 R)
• M7: 5,582,843 km (0.09 R)
• M8: 6,323,652 km (0.074 R)
• M9: 7,720,297 km (0.079 R)
• M10: 8,723,351 km (0.083 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: 350 - 16,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit