🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.77 AU - 0.99 AU

Year: 296 Days

Day: 38.9 Hours

Environment

Temp: 157 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.9 AU - 1.14 AU

Year: 369 Days

Day: 26.6 Hours

Environment

Temp: 52 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 17,303,556 km

• M1: 635,193 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.38 AU - 1.64 AU

Year: 665 Days

Day: 19.6 Hours

Environment

Temp: -28 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.95 AU - 4.21 AU

Year: 2426 Days

Day: 45 Hours

Environment

Temp: -110 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 17,303,556 km

• M1: 283,189 km (0.114 R)
• M2: 968,497 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.5

Radius: 10.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.49 AU - 8.27 AU

Year: 7181 Days

Day: 5.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 56.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 17,303,556 km

• M1: 225,145 km (0.052 R)
• M2: 552,465 km (0.12 R)
• M3: 1,560,605 km (0.112 R)
• M4: 3,091,590 km (0.102 R)
• M5: 3,397,816 km (0.098 R)
• M6: 3,517,196 km (0.045 R)
• M7: 3,759,993 km (0.062 R)
• M8: 3,837,036 km (0.111 R)
• M9: 4,008,325 km (0.062 R)
• M10: 4,970,090 km (0.082 R)
• M11: 5,679,184 km (0.067 R)
• M12: 5,749,944 km (0.063 R)
• M13: 6,018,472 km (0.069 R)
• M14: 6,642,145 km (0.078 R)
• M15: 7,440,998 km (0.119 R)
• M16: 7,577,132 km (0.097 R)
• M17: 8,492,073 km (0.102 R)
• M18: 8,859,485 km (0.095 R)
• M19: 9,128,312 km (0.075 R)
• M20: 9,546,887 km (0.106 R)
• M21: 10,165,026 km (0.09 R)
• M22: 11,105,398 km (0.104 R)
• M23: 11,328,149 km (0.104 R)
• M24: 11,507,367 km (0.106 R)
• M25: 11,619,865 km (0.101 R)
• M26: 11,687,483 km (0.099 R)
• M27: 11,755,251 km (0.075 R)
• M28: 11,982,191 km (0.059 R)
• M29: 12,417,521 km (0.109 R)
• M30: 12,998,110 km (0.102 R)
• M31: 13,279,953 km (0.083 R)
• M32: 13,350,712 km (0.068 R)
• M33: 13,587,526 km (0.112 R)
• M34: 14,427,518 km (0.117 R)
• M35: 15,160,697 km (0.113 R)
• M36: 15,432,666 km (0.05 R)
• M37: 15,531,999 km (0.09 R)
• M38: 15,756,097 km (0.077 R)
• M39: 15,906,143 km (0.096 R)
• M40: 16,714,420 km (0.105 R)
• M41: 16,790,865 km (0.091 R)

Kuiper Belt

Range: 30.6 - 50.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 17,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit