🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.58 AU - 0.86 AU

Year: 265 Days

Day: 15.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.36 AU - 1.38 AU

Year: 695 Days

Day: 14.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,337,315 km

• M1: 295,157 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 9.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.85 AU - 4.71 AU

Year: 3838 Days

Day: 14.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,337,315 km

• M1: 115,340 km (0.116 R)
• M2: 473,776 km (0.107 R)
• M3: 761,154 km (0.112 R)
• M4: 1,301,053 km (0.11 R)
• M5: 2,027,650 km (0.098 R)
• M6: 2,376,811 km (0.111 R)
• M7: 5,698,632 km (0.107 R)
• M8: 6,723,676 km (0.104 R)
• M9: 8,623,868 km (0.06 R)
• M10: 9,048,876 km (0.057 R)
• M11: 10,032,931 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 10.6

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.58 AU - 7.78 AU

Year: 8340 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,337,315 km

• M1: 136,433 km (0.051 R)
• M2: 1,009,786 km (0.114 R)
• M3: 1,373,458 km (0.104 R)
• M4: 2,765,466 km (0.056 R)
• M5: 4,528,926 km (0.053 R)
• M6: 6,232,098 km (0.104 R)
• M7: 11,188,574 km (0.093 R)
• M8: 12,341,824 km (0.107 R)
• M9: 15,179,247 km (0.051 R)
• M10: 16,090,448 km (0.081 R)
• M11: 17,557,704 km (0.081 R)
• M12: 18,088,477 km (0.097 R)
• M13: 18,766,903 km (0.083 R)
• M14: 19,251,750 km (0.054 R)
• M15: 21,726,847 km (0.108 R)
• M16: 25,319,290 km (0.077 R)
• M17: 28,829,006 km (0.117 R)
• M18: 32,352,933 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.6

Radius: 4.5

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.56 AU - 12.1 AU

Year: 13360 Days

Day: 22.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,337,315 km

• M1: 58,792 km (0.092 R)
• M2: 1,104,481 km (0.09 R)
• M3: 1,245,701 km (0.118 R)
• M4: 1,854,864 km (0.038 R)
• M5: 2,004,312 km (0.1 R)
• M6: 6,273,985 km (0.074 R)
• M7: 6,689,269 km (0.094 R)
• M8: 7,407,937 km (0.047 R)
• M9: 7,958,008 km (0.105 R)
• M10: 8,903,467 km (0.106 R)
• M11: 9,234,677 km (0.107 R)
• M12: 13,132,449 km (0.102 R)
• M13: 14,190,555 km (0.085 R)
• M14: 15,710,768 km (0.111 R)
• M15: 22,792,133 km (0.095 R)
• M16: 24,041,874 km (0.086 R)
• M17: 28,164,492 km (0.11 R)
• M18: 38,766,194 km (0.063 R)
• M19: 39,902,240 km (0.098 R)
• M20: 41,844,619 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 11,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit