🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.7

Radius: 14.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 7 Hours

Environment

Temp: -132 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,242,938 km

• M1: 180,565 km (0.096 R)
• M2: 808,576 km (0.08 R)
• M3: 1,441,675 km (0.09 R)
• M4: 2,157,201 km (0.063 R)
• M5: 2,625,891 km (0.118 R)
• M6: 3,415,768 km (0.026 R)
• M7: 4,035,253 km (0.085 R)
• M8: 4,581,584 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 8

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.53 AU - 0.87 AU

Year: 404 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,242,938 km

• M1: 99,483 km (0.116 R)
• M2: 372,798 km (0.049 R)
• M3: 720,912 km (0.111 R)
• M4: 1,068,578 km (0.12 R)
• M5: 1,343,987 km (0.106 R)
• M6: 1,840,054 km (0.054 R)
• M7: 2,196,695 km (0.092 R)
• M8: 3,093,834 km (0.066 R)
• M9: 3,972,571 km (0.108 R)
• M10: 4,285,680 km (0.08 R)
• M11: 4,556,751 km (0.065 R)
• M12: 4,854,451 km (0.118 R)
• M13: 5,293,072 km (0.116 R)
• M14: 5,639,241 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.8

Radius: 13.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.92 AU - 1.48 AU

Year: 907 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,242,938 km

• M1: 172,935 km (0.04 R)
• M2: 605,572 km (0.08 R)
• M3: 1,327,980 km (0.038 R)
• M4: 1,822,700 km (0.084 R)
• M5: 2,848,493 km (0.069 R)
• M6: 3,352,787 km (0.118 R)
• M7: 4,306,923 km (0.099 R)
• M8: 5,219,619 km (0.047 R)
• M9: 5,865,134 km (0.082 R)
• M10: 6,922,342 km (0.044 R)
• M11: 7,679,756 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 14

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.27 AU - 3.49 AU

Year: 3374 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,242,938 km

• M1: 191,336 km (0.082 R)
• M2: 901,926 km (0.094 R)
• M3: 1,558,511 km (0.114 R)
• M4: 3,152,925 km (0.04 R)
• M5: 6,505,263 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.2

Radius: 5.7

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.87 AU - 7.95 AU

Year: 12538 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,242,938 km

• M1: 71,657 km (0.057 R)
• M2: 249,978 km (0.085 R)
• M3: 601,084 km (0.072 R)
• M4: 1,957,787 km (0.094 R)
• M5: 2,199,238 km (0.114 R)
• M6: 2,383,692 km (0.042 R)
• M7: 3,692,075 km (0.032 R)
• M8: 4,968,444 km (0.066 R)
• M9: 7,375,624 km (0.099 R)
• M10: 7,665,096 km (0.085 R)
• M11: 7,919,113 km (0.074 R)
• M12: 10,778,078 km (0.085 R)
• M13: 13,266,190 km (0.042 R)
• M14: 13,694,339 km (0.079 R)
• M15: 15,567,304 km (0.055 R)
• M16: 35,735,640 km (0.101 R)
• M17: 37,769,722 km (0.074 R)
• M18: 42,990,538 km (0.096 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: 365 - 16,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit