🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 246 Days

Day: 38.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,064,543 km

• M1: 767,587 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.46 AU - 0.74 AU

Year: 305 Days

Day: 32.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,064,543 km

• M1: 333,454 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.52 AU - 0.78 AU

Year: 344 Days

Day: 24.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 12.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.66 AU - 0.8 AU

Year: 409 Days

Day: 14.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,064,543 km

• M1: 159,771 km (0.119 R)
• M2: 629,209 km (0.097 R)
• M3: 1,525,449 km (0.116 R)
• M4: 1,932,057 km (0.111 R)
• M5: 2,655,661 km (0.111 R)
• M6: 3,283,673 km (0.112 R)
• M7: 3,704,492 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 8.5

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.21 AU - 6.27 AU

Year: 9021 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,064,543 km

• M1: 105,766 km (0.113 R)
• M2: 395,986 km (0.101 R)
• M3: 820,096 km (0.095 R)
• M4: 1,258,567 km (0.045 R)
• M5: 1,733,241 km (0.112 R)
• M6: 2,462,979 km (0.038 R)
• M7: 2,818,723 km (0.057 R)
• M8: 3,144,846 km (0.063 R)
• M9: 4,356,290 km (0.069 R)
• M10: 6,352,524 km (0.113 R)
• M11: 10,578,365 km (0.105 R)
• M12: 11,168,229 km (0.091 R)
• M13: 11,624,802 km (0.076 R)
• M14: 13,350,114 km (0.112 R)
• M15: 14,570,982 km (0.066 R)
• M16: 14,872,272 km (0.097 R)
• M17: 15,612,632 km (0.06 R)
• M18: 16,834,548 km (0.07 R)
• M19: 17,774,920 km (0.109 R)
• M20: 21,497,812 km (0.102 R)
• M21: 28,804,771 km (0.069 R)
• M22: 32,856,629 km (0.085 R)
• M23: 34,110,858 km (0.111 R)
• M24: 37,048,810 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 15,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit