🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 14.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,252,784 km

• M1: 185,352 km (0.031 R)
• M2: 695,032 km (0.081 R)
• M3: 1,227,600 km (0.118 R)
• M4: 1,876,406 km (0.034 R)
• M5: 2,521,023 km (0.082 R)
• M6: 3,458,404 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 9.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,252,784 km

• M1: 123,269 km (0.067 R)
• M2: 478,863 km (0.099 R)
• M3: 900,280 km (0.089 R)
• M4: 1,384,379 km (0.089 R)
• M5: 2,147,029 km (0.083 R)
• M6: 2,771,301 km (0.101 R)
• M7: 3,242,235 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 12.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.64 AU - 0.74 AU

Year: 396 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,252,784 km

• M1: 159,771 km (0.118 R)
• M2: 577,897 km (0.118 R)
• M3: 1,420,581 km (0.102 R)
• M4: 2,801,968 km (0.084 R)
• M5: 3,497,449 km (0.104 R)
• M6: 5,281,254 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 8.1

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.76 AU - 1.82 AU

Year: 1653 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,252,784 km

• M1: 100,679 km (0.099 R)
• M2: 492,476 km (0.053 R)
• M3: 879,635 km (0.113 R)
• M4: 1,292,226 km (0.088 R)
• M5: 1,629,121 km (0.105 R)
• M6: 2,046,798 km (0.048 R)
• M7: 2,534,338 km (0.1 R)
• M8: 2,920,001 km (0.108 R)
• M9: 4,094,344 km (0.12 R)
• M10: 5,378,791 km (0.065 R)
• M11: 5,876,952 km (0.109 R)
• M12: 8,328,712 km (0.081 R)
• M13: 8,995,470 km (0.086 R)
• M14: 12,716,268 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 9.7

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.45 AU - 4.95 AU

Year: 5941 Days

Day: 6.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,252,784 km

• M1: 121,174 km (0.062 R)
• M2: 654,341 km (0.108 R)
• M3: 1,139,936 km (0.04 R)
• M4: 1,632,711 km (0.105 R)
• M5: 2,865,846 km (0.098 R)
• M6: 4,054,401 km (0.034 R)
• M7: 4,745,544 km (0.036 R)
• M8: 5,544,396 km (0.053 R)
• M9: 6,058,564 km (0.11 R)
• M10: 6,604,297 km (0.079 R)
• M11: 7,108,292 km (0.119 R)
• M12: 8,357,135 km (0.1 R)
• M13: 9,930,456 km (0.072 R)
• M14: 19,425,433 km (0.079 R)
• M15: 24,714,765 km (0.103 R)
• M16: 29,332,253 km (0.119 R)
• M17: 30,300,450 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 10,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit