🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 13.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 16,361,120 km

• M1: 162,912 km (0.079 R)
• M2: 643,869 km (0.113 R)
• M3: 1,067,231 km (0.051 R)
• M4: 1,545,795 km (0.117 R)
• M5: 1,994,140 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 14.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.73 AU

Year: 339 Days

Day: 8.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,361,120 km

• M1: 178,620 km (0.053 R)
• M2: 661,821 km (0.093 R)
• M3: 1,150,856 km (0.087 R)
• M4: 1,680,134 km (0.09 R)
• M5: 2,257,432 km (0.075 R)
• M6: 2,897,860 km (0.108 R)
• M7: 3,358,323 km (0.082 R)
• M8: 4,312,757 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.4

Radius: 11.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.72 AU - 0.82 AU

Year: 458 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,361,120 km

• M1: 153,936 km (0.119 R)
• M2: 608,863 km (0.096 R)
• M3: 1,340,098 km (0.034 R)
• M4: 1,738,626 km (0.119 R)
• M5: 2,208,813 km (0.1 R)
• M6: 3,021,279 km (0.117 R)
• M7: 3,744,584 km (0.106 R)
• M8: 4,565,877 km (0.117 R)
• M9: 5,187,755 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.7

Radius: 13.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.83 AU - 0.89 AU

Year: 541 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,361,120 km

• M1: 162,912 km (0.048 R)
• M2: 624,122 km (0.08 R)
• M3: 1,080,097 km (0.101 R)
• M4: 1,529,339 km (0.086 R)
• M5: 2,044,704 km (0.057 R)
• M6: 2,567,997 km (0.087 R)
• M7: 3,169,979 km (0.103 R)
• M8: 4,539,547 km (0.074 R)

Asteroid Belt

Center: 2.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 11.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.01 AU - 4.77 AU

Year: 5204 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,361,120 km

• M1: 146,157 km (0.074 R)
• M2: 559,945 km (0.097 R)
• M3: 1,298,659 km (0.093 R)
• M4: 2,024,508 km (0.102 R)
• M5: 2,623,348 km (0.093 R)
• M6: 4,824,232 km (0.112 R)
• M7: 5,217,525 km (0.08 R)
• M8: 9,996,429 km (0.109 R)
• M9: 10,638,353 km (0.09 R)
• M10: 12,647,902 km (0.053 R)
• M11: 14,626,333 km (0.054 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 19,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit