🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 9.6

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.2 AU - 1.6 AU

Year: 1124 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,720,575 km

• M1: 120,576 km (0.057 R)
• M2: 458,069 km (0.04 R)
• M3: 796,309 km (0.103 R)
• M4: 1,102,237 km (0.064 R)
• M5: 1,513,482 km (0.075 R)
• M6: 1,856,210 km (0.104 R)
• M7: 2,272,990 km (0.097 R)
• M8: 2,842,360 km (0.114 R)
• M9: 3,384,502 km (0.039 R)
• M10: 3,751,466 km (0.109 R)
• M11: 4,077,589 km (0.102 R)
• M12: 4,731,182 km (0.031 R)
• M13: 5,371,461 km (0.09 R)
• M14: 6,589,188 km (0.099 R)
• M15: 7,188,626 km (0.101 R)
• M16: 7,616,776 km (0.091 R)
• M17: 8,061,680 km (0.119 R)
• M18: 9,119,486 km (0.032 R)
• M19: 9,501,709 km (0.112 R)
• M20: 10,713,302 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.56 AU - 2.68 AU

Year: 2876 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,720,575 km

• M1: 120,277 km (0.117 R)
• M2: 582,684 km (0.068 R)
• M3: 966,851 km (0.1 R)
• M4: 1,291,927 km (0.107 R)
• M5: 1,844,542 km (0.086 R)
• M6: 2,696,202 km (0.109 R)
• M7: 3,102,809 km (0.054 R)
• M8: 4,435,726 km (0.068 R)
• M9: 5,110,862 km (0.083 R)
• M10: 5,782,556 km (0.1 R)
• M11: 6,846,347 km (0.095 R)
• M12: 8,006,328 km (0.098 R)
• M13: 12,114,585 km (0.108 R)
• M14: 13,511,979 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.3

Radius: 6.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.33 AU - 5.99 AU

Year: 9133 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,720,575 km

• M1: 78,240 km (0.112 R)
• M2: 274,811 km (0.11 R)
• M3: 697,276 km (0.096 R)
• M4: 2,135,061 km (0.101 R)
• M5: 2,489,009 km (0.105 R)
• M6: 2,894,569 km (0.075 R)
• M7: 6,107,782 km (0.026 R)
• M8: 7,185,036 km (0.104 R)
• M9: 10,906,134 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.7

Radius: 5.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.02 AU - 6.22 AU

Year: 10269 Days

Day: 16.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,720,575 km

• M1: 74,799 km (0.092 R)
• M2: 321,635 km (0.065 R)
• M3: 943,364 km (0.071 R)
• M4: 1,188,106 km (0.076 R)
• M5: 1,415,794 km (0.092 R)
• M6: 3,400,958 km (0.074 R)
• M7: 3,730,522 km (0.082 R)
• M8: 5,077,053 km (0.065 R)
• M9: 5,656,744 km (0.083 R)
• M10: 8,586,469 km (0.045 R)
• M11: 9,337,151 km (0.114 R)
• M12: 17,356,644 km (0.082 R)
• M13: 17,570,270 km (0.11 R)
• M14: 18,442,276 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 17,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit