🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 11.6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.49 AU - 0.73 AU

Year: 318 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,917,979 km

• M1: 144,512 km (0.039 R)
• M2: 590,014 km (0.117 R)
• M3: 1,020,856 km (0.051 R)
• M4: 1,638,396 km (0.064 R)
• M5: 2,331,483 km (0.064 R)
• M6: 3,124,202 km (0.064 R)
• M7: 3,507,023 km (0.115 R)
• M8: 3,883,411 km (0.079 R)
• M9: 4,805,383 km (0.082 R)
• M10: 5,225,304 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 12.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.56 AU - 0.76 AU

Year: 358 Days

Day: 8.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,917,979 km

• M1: 157,975 km (0.113 R)
• M2: 611,706 km (0.105 R)
• M3: 1,620,893 km (0.115 R)
• M4: 2,071,931 km (0.067 R)
• M5: 3,124,501 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 13.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.97 AU - 5.49 AU

Year: 6860 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,917,979 km

• M1: 162,912 km (0.12 R)
• M2: 681,269 km (0.039 R)
• M3: 1,180,178 km (0.072 R)
• M4: 1,655,600 km (0.083 R)
• M5: 2,324,901 km (0.099 R)
• M6: 2,835,478 km (0.039 R)
• M7: 3,870,546 km (0.061 R)
• M8: 4,462,654 km (0.111 R)
• M9: 5,404,821 km (0.105 R)
• M10: 5,955,192 km (0.108 R)
• M11: 7,386,096 km (0.03 R)
• M12: 7,872,438 km (0.11 R)
• M13: 8,581,233 km (0.069 R)
• M14: 9,289,280 km (0.068 R)
• M15: 10,775,086 km (0.097 R)
• M16: 13,706,307 km (0.083 R)
• M17: 17,524,044 km (0.113 R)
• M18: 23,969,020 km (0.103 R)
• M19: 24,540,932 km (0.106 R)
• M20: 27,008,250 km (0.104 R)
• M21: 27,538,574 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.3

Radius: 3.3

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.03 AU - 11.31 AU

Year: 23242 Days

Day: 16.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,917,979 km

• M1: 43,234 km (0.109 R)
• M2: 159,920 km (0.097 R)
• M3: 499,358 km (0.114 R)
• M4: 716,125 km (0.041 R)
• M5: 1,279,660 km (0.083 R)
• M6: 2,035,877 km (0.102 R)
• M7: 2,519,228 km (0.073 R)
• M8: 2,696,202 km (0.116 R)
• M9: 3,542,178 km (0.111 R)
• M10: 3,792,904 km (0.112 R)
• M11: 8,069,010 km (0.111 R)
• M12: 10,904,787 km (0.076 R)
• M13: 12,994,221 km (0.101 R)
• M14: 14,479,578 km (0.07 R)
• M15: 18,187,062 km (0.067 R)
• M16: 19,522,522 km (0.113 R)
• M17: 27,082,301 km (0.092 R)
• M18: 27,402,440 km (0.088 R)
• M19: 27,725,273 km (0.113 R)
• M20: 28,268,762 km (0.081 R)
• M21: 33,239,600 km (0.115 R)
• M22: 33,484,043 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 17,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit