🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.61 AU - 2.69 AU

Year: 1124 Days

Day: 16.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.23 AU - 3.37 AU

Year: 1670 Days

Day: 37.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.04 AU - 3.2 AU

Year: 1964 Days

Day: 25.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.4

Radius: 11.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.34 AU - 6.38 AU

Year: 5056 Days

Day: 12 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,658,700 km

• M1: 140,622 km (0.114 R)
• M2: 506,987 km (0.108 R)
• M3: 861,833 km (0.102 R)
• M4: 1,742,965 km (0.099 R)
• M5: 2,492,749 km (0.067 R)
• M6: 3,148,736 km (0.052 R)
• M7: 3,827,910 km (0.116 R)
• M8: 4,309,316 km (0.099 R)
• M9: 8,024,280 km (0.096 R)
• M10: 8,470,531 km (0.116 R)
• M11: 9,372,007 km (0.111 R)
• M12: 10,164,128 km (0.103 R)
• M13: 10,865,144 km (0.058 R)
• M14: 11,365,698 km (0.098 R)
• M15: 13,214,130 km (0.072 R)
• M16: 14,753,940 km (0.103 R)
• M17: 15,767,765 km (0.099 R)
• M18: 20,020,533 km (0.118 R)
• M19: 20,497,601 km (0.101 R)
• M20: 21,333,105 km (0.09 R)
• M21: 24,903,857 km (0.087 R)
• M22: 27,244,166 km (0.108 R)
• M23: 28,084,008 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 13.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.87 AU - 8.57 AU

Year: 8400 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,658,700 km

• M1: 170,242 km (0.085 R)
• M2: 662,270 km (0.111 R)
• M3: 2,175,602 km (0.071 R)
• M4: 2,826,353 km (0.104 R)
• M5: 3,402,155 km (0.114 R)
• M6: 3,922,905 km (0.117 R)
• M7: 4,520,848 km (0.086 R)
• M8: 7,374,427 km (0.12 R)
• M9: 15,716,902 km (0.089 R)
• M10: 19,094,373 km (0.06 R)
• M11: 20,477,106 km (0.102 R)
• M12: 25,883,872 km (0.098 R)
• M13: 27,494,144 km (0.072 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 19,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit