🌌 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: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.43 AU - 0.61 AU

Year: 246 Days

Day: 35.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 11.1

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.75 AU - 0.97 AU

Year: 523 Days

Day: 5.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 176.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,574,604 km

• M1: 143,016 km (0.076 R)
• M2: 561,441 km (0.097 R)
• M3: 910,153 km (0.091 R)
• M4: 1,257,968 km (0.037 R)
• M5: 1,629,270 km (0.083 R)
• M6: 2,173,507 km (0.096 R)
• M7: 2,653,567 km (0.104 R)
• M8: 3,050,749 km (0.096 R)
• M9: 4,007,877 km (0.114 R)
• M10: 4,533,563 km (0.113 R)
• M11: 5,408,113 km (0.053 R)
• M12: 6,468,911 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 10.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.92 AU - 1.08 AU

Year: 656 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 8,574,604 km

• M1: 131,796 km (0.112 R)
• M2: 467,045 km (0.054 R)
• M3: 854,802 km (0.069 R)
• M4: 1,423,274 km (0.119 R)
• M5: 2,017,477 km (0.072 R)
• M6: 2,890,829 km (0.119 R)
• M7: 4,027,025 km (0.114 R)
• M8: 4,782,345 km (0.117 R)
• M9: 6,361,649 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 9.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.4 AU - 1.92 AU

Year: 1403 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 8,574,604 km

• M1: 116,537 km (0.091 R)
• M2: 630,705 km (0.063 R)
• M3: 1,372,860 km (0.052 R)
• M4: 1,663,678 km (0.049 R)
• M5: 2,033,783 km (0.095 R)
• M6: 2,480,034 km (0.113 R)
• M7: 2,929,276 km (0.079 R)
• M8: 3,514,204 km (0.111 R)
• M9: 3,871,742 km (0.038 R)
• M10: 4,332,654 km (0.084 R)
• M11: 4,881,678 km (0.053 R)
• M12: 6,322,754 km (0.106 R)
• M13: 7,074,035 km (0.051 R)
• M14: 7,599,273 km (0.097 R)
• M15: 7,955,764 km (0.067 R)
• M16: 8,348,160 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 16,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit