🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.75 AU - 1.21 AU

Year: 351 Days

Day: 46 Hours

Environment

Temp: 94 °C

Axial Tilt: 128.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 65,855,774 km

• M1: 52,658 km (0.051 R)
• M2: 221,554 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.54 AU - 2.36 AU

Year: 985 Days

Day: 26.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,855,774 km

• M1: 694,134 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.63 AU - 2.57 AU

Year: 1101 Days

Day: 15.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 4.6

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 14.91 AU - 15.71 AU

Year: 21665 Days

Day: 18.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,855,774 km

• M1: 58,942 km (0.103 R)
• M2: 684,111 km (0.119 R)
• M3: 847,322 km (0.083 R)
• M4: 1,440,627 km (0.075 R)
• M5: 2,055,624 km (0.064 R)
• M6: 2,553,187 km (0.071 R)
• M7: 3,204,536 km (0.06 R)
• M8: 3,667,691 km (0.114 R)
• M9: 5,435,938 km (0.059 R)
• M10: 7,941,403 km (0.091 R)
• M11: 11,550,751 km (0.062 R)
• M12: 18,462,771 km (0.118 R)
• M13: 22,433,248 km (0.106 R)
• M14: 23,015,184 km (0.095 R)
• M15: 27,374,166 km (0.032 R)
• M16: 39,756,831 km (0.115 R)
• M17: 51,293,819 km (0.084 R)
• M18: 60,295,721 km (0.106 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 17,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit