🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.69 AU

Year: 275 Days

Day: 20 Hours

Environment

Temp: -113 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,235,040 km

• M1: 143,464 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 14

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.76 AU - 1 AU

Year: 542 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,235,040 km

• M1: 174,282 km (0.066 R)
• M2: 652,845 km (0.073 R)
• M3: 1,090,419 km (0.113 R)
• M4: 1,638,097 km (0.102 R)
• M5: 2,387,732 km (0.112 R)
• M6: 3,004,374 km (0.114 R)
• M7: 3,901,512 km (0.112 R)
• M8: 5,215,879 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.9

Radius: 12.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.82 AU - 2.24 AU

Year: 1897 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,235,040 km

• M1: 151,692 km (0.119 R)
• M2: 539,300 km (0.069 R)
• M3: 1,232,387 km (0.084 R)
• M4: 1,747,303 km (0.097 R)
• M5: 2,456,098 km (0.102 R)
• M6: 2,974,155 km (0.032 R)
• M7: 3,684,895 km (0.096 R)
• M8: 4,289,869 km (0.046 R)
• M9: 4,729,387 km (0.066 R)
• M10: 5,154,993 km (0.073 R)
• M11: 5,652,705 km (0.075 R)
• M12: 7,313,690 km (0.082 R)
• M13: 8,955,976 km (0.095 R)
• M14: 13,709,448 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 9.1

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.55 AU - 3.65 AU

Year: 3581 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,235,040 km

• M1: 113,246 km (0.096 R)
• M2: 497,563 km (0.094 R)
• M3: 830,867 km (0.105 R)
• M4: 1,217,278 km (0.101 R)
• M5: 1,862,045 km (0.078 R)
• M6: 2,239,630 km (0.107 R)
• M7: 2,535,534 km (0.031 R)
• M8: 2,965,179 km (0.106 R)
• M9: 3,689,831 km (0.113 R)
• M10: 4,037,796 km (0.05 R)
• M11: 4,674,933 km (0.079 R)
• M12: 5,135,994 km (0.06 R)
• M13: 6,330,084 km (0.081 R)
• M14: 7,256,394 km (0.087 R)
• M15: 7,699,802 km (0.094 R)
• M16: 8,380,473 km (0.108 R)
• M17: 10,068,535 km (0.057 R)
• M18: 11,327,850 km (0.077 R)
• M19: 13,333,509 km (0.098 R)
• M20: 14,314,422 km (0.088 R)
• M21: 15,846,454 km (0.105 R)
• M22: 17,606,024 km (0.094 R)
• M23: 22,069,875 km (0.105 R)
• M24: 22,856,460 km (0.109 R)
• M25: 24,637,573 km (0.11 R)
• M26: 25,484,147 km (0.051 R)
• M27: 26,270,284 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 16,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit