🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 13.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.46 AU - 0.72 AU

Year: 313 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,004,301 km

• M1: 164,109 km (0.088 R)
• M2: 715,078 km (0.092 R)
• M3: 1,132,157 km (0.065 R)
• M4: 1,782,459 km (0.092 R)
• M5: 2,382,047 km (0.088 R)
• M6: 2,828,148 km (0.073 R)
• M7: 3,385,998 km (0.096 R)
• M8: 3,867,404 km (0.076 R)
• M9: 4,502,746 km (0.104 R)
• M10: 5,087,225 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 9.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.51 AU - 0.71 AU

Year: 329 Days

Day: 9.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,004,301 km

• M1: 265,536 km (0.095 R)
• M2: 570,417 km (0.037 R)
• M3: 877,990 km (0.045 R)
• M4: 1,245,103 km (0.071 R)
• M5: 1,629,570 km (0.114 R)
• M6: 2,321,609 km (0.089 R)
• M7: 3,323,616 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 14.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.58 AU - 0.66 AU

Year: 337 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 172.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,004,301 km

• M1: 177,872 km (0.035 R)
• M2: 623,524 km (0.116 R)
• M3: 1,132,157 km (0.094 R)
• M4: 2,218,237 km (0.106 R)
• M5: 3,067,056 km (0.084 R)
• M6: 3,609,647 km (0.085 R)
• M7: 5,115,350 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.5

Radius: 13.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.72 AU - 1.96 AU

Year: 1723 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,004,301 km

• M1: 169,345 km (0.108 R)
• M2: 705,952 km (0.089 R)
• M3: 1,228,647 km (0.114 R)
• M4: 1,776,624 km (0.095 R)
• M5: 2,377,110 km (0.117 R)
• M6: 3,078,724 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972

Radius: 7.5

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.52 AU - 12.12 AU

Year: 21241 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,004,301 km

• M1: 93,349 km (0.105 R)
• M2: 1,449,454 km (0.057 R)
• M3: 2,329,688 km (0.067 R)
• M4: 4,071,007 km (0.115 R)
• M5: 5,656,445 km (0.093 R)
• M6: 6,087,586 km (0.094 R)
• M7: 8,804,134 km (0.071 R)
• M8: 11,956,909 km (0.106 R)
• M9: 12,451,180 km (0.105 R)
• M10: 13,106,569 km (0.06 R)
• M11: 15,210,962 km (0.043 R)
• M12: 16,044,521 km (0.102 R)
• M13: 19,011,346 km (0.065 R)
• M14: 24,850,151 km (0.062 R)
• M15: 25,887,912 km (0.105 R)
• M16: 29,048,167 km (0.087 R)
• M17: 32,185,234 km (0.076 R)
• M18: 59,861,139 km (0.081 R)
• M19: 84,804,490 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 15,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit