🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 15

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.71 AU - 0.77 AU

Year: 418 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,308,723 km

• M1: 186,549 km (0.051 R)
• M2: 716,723 km (0.116 R)
• M3: 1,275,172 km (0.071 R)
• M4: 1,942,080 km (0.094 R)
• M5: 2,740,932 km (0.085 R)
• M6: 3,227,873 km (0.097 R)
• M7: 3,827,611 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 8.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.8 AU - 0.96 AU

Year: 542 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,308,723 km

• M1: 103,372 km (0.067 R)
• M2: 463,753 km (0.093 R)
• M3: 788,530 km (0.117 R)
• M4: 1,110,914 km (0.093 R)
• M5: 1,392,158 km (0.082 R)
• M6: 1,696,141 km (0.116 R)
• M7: 2,073,277 km (0.096 R)
• M8: 2,522,071 km (0.059 R)
• M9: 3,053,293 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 14.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.02 AU - 3.06 AU

Year: 2656 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 11,308,723 km

• M1: 177,872 km (0.087 R)
• M2: 656,286 km (0.039 R)
• M3: 1,188,555 km (0.031 R)
• M4: 2,280,470 km (0.095 R)
• M5: 3,204,536 km (0.043 R)
• M6: 3,763,583 km (0.099 R)
• M7: 4,257,555 km (0.093 R)
• M8: 5,202,864 km (0.095 R)
• M9: 6,199,934 km (0.085 R)
• M10: 7,605,257 km (0.094 R)
• M11: 8,925,159 km (0.081 R)
• M12: 9,848,327 km (0.05 R)
• M13: 10,472,150 km (0.064 R)
• M14: 12,911,343 km (0.068 R)
• M15: 13,422,370 km (0.115 R)
• M16: 16,291,208 km (0.091 R)
• M17: 17,444,309 km (0.113 R)
• M18: 19,305,156 km (0.117 R)
• M19: 20,470,973 km (0.111 R)
• M20: 21,488,687 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 14.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.63 AU - 3.55 AU

Year: 3563 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 11,308,723 km

• M1: 182,809 km (0.05 R)
• M2: 745,147 km (0.093 R)
• M3: 1,267,393 km (0.055 R)
• M4: 2,370,229 km (0.102 R)
• M5: 2,921,796 km (0.066 R)
• M6: 4,229,581 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 14.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.04 AU - 3.82 AU

Year: 4167 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,308,723 km

• M1: 181,612 km (0.11 R)
• M2: 679,324 km (0.088 R)
• M3: 1,195,586 km (0.086 R)
• M4: 1,791,734 km (0.084 R)
• M5: 2,409,274 km (0.049 R)
• M6: 2,872,130 km (0.099 R)
• M7: 4,857,144 km (0.034 R)
• M8: 5,646,871 km (0.074 R)
• M9: 8,266,330 km (0.079 R)
• M10: 10,149,767 km (0.112 R)
• M11: 10,686,524 km (0.11 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: 329 - 16,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit