🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.75 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.06 AU - 3.94 AU

Year: 2428 Days

Day: 18.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.66 AU - 4.28 AU

Year: 2934 Days

Day: 14.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,281,381 km

• M1: 170,691 km (0.057 R)
• M2: 828,174 km (0.031 R)

Planet 3 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162

Radius: 5.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 13.48 AU - 13.7 AU

Year: 18579 Days

Day: 21.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,281,381 km

• M1: 66,571 km (0.118 R)
• M2: 226,790 km (0.047 R)
• M3: 437,723 km (0.077 R)
• M4: 1,014,274 km (0.097 R)
• M5: 2,274,785 km (0.117 R)
• M6: 5,041,747 km (0.086 R)
• M7: 9,111,707 km (0.076 R)
• M8: 11,249,311 km (0.115 R)
• M9: 17,537,807 km (0.09 R)
• M10: 20,486,531 km (0.095 R)
• M11: 21,129,652 km (0.069 R)
• M12: 22,119,541 km (0.088 R)
• M13: 27,342,900 km (0.12 R)
• M14: 38,782,650 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.7

Radius: 5.3

Gravity: 27.97 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 12.94 AU - 14.76 AU

Year: 19115 Days

Day: 17.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,281,381 km

• M1: 65,973 km (0.119 R)
• M2: 400,324 km (0.082 R)
• M3: 603,927 km (0.077 R)
• M4: 888,163 km (0.107 R)
• M5: 1,055,263 km (0.119 R)
• M6: 1,272,330 km (0.106 R)
• M7: 2,129,974 km (0.049 R)
• M8: 2,300,067 km (0.057 R)
• M9: 2,790,599 km (0.066 R)
• M10: 3,320,026 km (0.092 R)
• M11: 3,945,494 km (0.102 R)
• M12: 4,576,199 km (0.074 R)
• M13: 7,008,810 km (0.071 R)
• M14: 7,196,406 km (0.11 R)
• M15: 7,680,205 km (0.074 R)
• M16: 9,775,922 km (0.03 R)
• M17: 10,429,664 km (0.086 R)
• M18: 13,337,697 km (0.111 R)
• M19: 13,626,122 km (0.069 R)
• M20: 17,852,262 km (0.097 R)
• M21: 41,712,374 km (0.094 R)
• M22: 42,952,391 km (0.119 R)
• M23: 53,769,813 km (0.115 R)
• M24: 76,128,860 km (0.055 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: 245 - 19,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit