🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.74 AU - 3.7 AU

Year: 2079 Days

Day: 30.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.43 AU - 4.59 AU

Year: 2890 Days

Day: 28.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 12.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.18 AU - 6.28 AU

Year: 4305 Days

Day: 8.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,367,845 km

• M1: 158,125 km (0.111 R)
• M2: 554,410 km (0.057 R)
• M3: 1,015,770 km (0.081 R)
• M4: 1,792,033 km (0.069 R)
• M5: 2,429,170 km (0.083 R)
• M6: 3,869,050 km (0.088 R)
• M7: 6,170,763 km (0.1 R)
• M8: 7,053,988 km (0.06 R)
• M9: 9,071,615 km (0.117 R)
• M10: 12,683,057 km (0.104 R)
• M11: 14,321,453 km (0.1 R)
• M12: 16,154,625 km (0.082 R)
• M13: 18,202,171 km (0.115 R)
• M14: 22,228,448 km (0.092 R)
• M15: 23,469,213 km (0.051 R)
• M16: 25,849,914 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 13

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.78 AU - 8 AU

Year: 7976 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,367,845 km

• M1: 161,865 km (0.088 R)
• M2: 603,029 km (0.111 R)
• M3: 1,018,761 km (0.12 R)
• M4: 2,059,514 km (0.087 R)
• M5: 2,895,018 km (0.079 R)
• M6: 4,631,251 km (0.091 R)
• M7: 5,590,472 km (0.072 R)
• M8: 6,205,768 km (0.114 R)
• M9: 6,677,899 km (0.093 R)
• M10: 8,370,300 km (0.081 R)
• M11: 9,647,417 km (0.052 R)
• M12: 14,072,821 km (0.103 R)
• M13: 15,148,879 km (0.085 R)
• M14: 20,961,504 km (0.063 R)
• M15: 23,740,733 km (0.079 R)
• M16: 25,817,451 km (0.119 R)
• M17: 26,472,839 km (0.107 R)
• M18: 29,713,279 km (0.045 R)
• M19: 43,723,867 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.9

Radius: 7

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 15.13 AU - 17.37 AU

Year: 23575 Days

Day: 20.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,367,845 km

• M1: 89,011 km (0.095 R)
• M2: 561,142 km (0.113 R)
• M3: 906,114 km (0.104 R)
• M4: 1,238,970 km (0.057 R)
• M5: 1,759,121 km (0.109 R)
• M6: 4,204,149 km (0.092 R)
• M7: 6,731,455 km (0.12 R)
• M8: 7,201,492 km (0.037 R)
• M9: 11,581,867 km (0.102 R)
• M10: 15,701,045 km (0.071 R)
• M11: 18,536,223 km (0.088 R)
• M12: 20,122,110 km (0.104 R)
• M13: 30,805,792 km (0.119 R)
• M14: 34,790,481 km (0.12 R)
• M15: 45,561,677 km (0.028 R)
• M16: 49,476,953 km (0.104 R)
• M17: 56,809,941 km (0.108 R)
• M18: 61,742,632 km (0.117 R)
• M19: 66,953,275 km (0.105 R)
• M20: 72,675,394 km (0.056 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 20,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit