🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.1

Radius: 14.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.9 AU - 1.18 AU

Year: 685 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,289,398 km

• M1: 178,321 km (0.09 R)
• M2: 661,372 km (0.113 R)
• M3: 1,455,138 km (0.117 R)
• M4: 1,952,701 km (0.106 R)
• M5: 2,586,846 km (0.093 R)
• M6: 3,038,931 km (0.082 R)
• M7: 3,530,659 km (0.115 R)
• M8: 4,000,845 km (0.065 R)
• M9: 4,448,592 km (0.087 R)
• M10: 5,576,560 km (0.073 R)
• M11: 6,098,058 km (0.107 R)
• M12: 7,580,872 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 14.4

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.13 AU - 1.43 AU

Year: 935 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,289,398 km

• M1: 179,218 km (0.041 R)
• M2: 631,901 km (0.106 R)
• M3: 1,342,940 km (0.098 R)
• M4: 1,876,256 km (0.095 R)
• M5: 2,868,090 km (0.119 R)
• M6: 3,427,736 km (0.067 R)
• M7: 3,998,153 km (0.088 R)
• M8: 4,700,215 km (0.079 R)
• M9: 5,560,702 km (0.103 R)
• M10: 6,524,113 km (0.086 R)
• M11: 7,057,579 km (0.042 R)
• M12: 7,887,847 km (0.12 R)
• M13: 8,546,078 km (0.116 R)
• M14: 9,050,073 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 12.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.54 AU - 1.78 AU

Year: 1381 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,289,398 km

• M1: 155,432 km (0.118 R)
• M2: 555,606 km (0.046 R)
• M3: 1,066,034 km (0.055 R)
• M4: 1,534,575 km (0.097 R)
• M5: 2,603,153 km (0.058 R)
• M6: 3,313,593 km (0.064 R)
• M7: 4,066,968 km (0.086 R)
• M8: 6,065,146 km (0.108 R)
• M9: 6,647,531 km (0.09 R)
• M10: 7,169,179 km (0.11 R)
• M11: 8,321,681 km (0.097 R)
• M12: 10,702,232 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 9.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.6 AU - 5.96 AU

Year: 8972 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,289,398 km

• M1: 120,576 km (0.076 R)
• M2: 622,477 km (0.112 R)
• M3: 1,105,827 km (0.116 R)
• M4: 1,743,114 km (0.069 R)
• M5: 2,286,903 km (0.083 R)
• M6: 3,389,439 km (0.058 R)
• M7: 4,371,699 km (0.115 R)
• M8: 4,929,100 km (0.092 R)
• M9: 6,925,783 km (0.118 R)
• M10: 14,258,323 km (0.106 R)
• M11: 15,609,790 km (0.059 R)
• M12: 18,995,638 km (0.108 R)
• M13: 22,924,079 km (0.115 R)
• M14: 23,253,343 km (0.095 R)
• M15: 23,585,750 km (0.083 R)
• M16: 26,360,641 km (0.11 R)
• M17: 28,201,443 km (0.098 R)
• M18: 28,865,508 km (0.116 R)
• M19: 30,028,033 km (0.08 R)
• M20: 33,915,483 km (0.114 R)
• M21: 38,241,404 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 17,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit