🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 11.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.55 AU - 0.63 AU

Year: 307 Days

Day: 8.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 179.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,488,930 km

• M1: 145,559 km (0.058 R)
• M2: 568,472 km (0.067 R)
• M3: 1,023,399 km (0.087 R)
• M4: 1,437,636 km (0.076 R)
• M5: 1,845,439 km (0.051 R)
• M6: 2,339,860 km (0.087 R)
• M7: 2,871,531 km (0.078 R)
• M8: 3,403,352 km (0.082 R)
• M9: 3,987,531 km (0.117 R)
• M10: 4,721,907 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 9.3

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.88 AU - 0.98 AU

Year: 608 Days

Day: 9.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,488,930 km

• M1: 116,686 km (0.119 R)
• M2: 448,195 km (0.096 R)
• M3: 880,084 km (0.092 R)
• M4: 1,231,490 km (0.115 R)
• M5: 1,693,149 km (0.107 R)
• M6: 2,307,697 km (0.108 R)
• M7: 2,672,865 km (0.116 R)
• M8: 3,002,429 km (0.087 R)
• M9: 3,844,964 km (0.06 R)
• M10: 4,702,609 km (0.044 R)
• M11: 5,569,379 km (0.041 R)
• M12: 6,455,896 km (0.114 R)
• M13: 7,388,190 km (0.036 R)
• M14: 8,066,018 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 10.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.21 AU - 1.57 AU

Year: 1112 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,488,930 km

• M1: 126,859 km (0.032 R)
• M2: 494,571 km (0.104 R)
• M3: 814,710 km (0.089 R)
• M4: 1,342,042 km (0.081 R)
• M5: 2,346,293 km (0.105 R)
• M6: 3,153,374 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.2

Radius: 7.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.69 AU - 8.89 AU

Year: 16189 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,488,930 km

• M1: 92,152 km (0.109 R)
• M2: 323,131 km (0.118 R)
• M3: 763,398 km (0.081 R)
• M4: 1,034,320 km (0.084 R)
• M5: 1,520,962 km (0.101 R)
• M6: 1,841,400 km (0.04 R)
• M7: 2,789,402 km (0.12 R)
• M8: 3,296,838 km (0.113 R)
• M9: 5,125,971 km (0.083 R)
• M10: 6,485,666 km (0.115 R)
• M11: 12,339,580 km (0.065 R)
• M12: 13,069,319 km (0.065 R)
• M13: 19,004,315 km (0.112 R)
• M14: 23,183,930 km (0.08 R)
• M15: 25,341,580 km (0.07 R)
• M16: 29,943,809 km (0.082 R)
• M17: 30,706,309 km (0.03 R)
• M18: 31,370,225 km (0.103 R)
• M19: 33,535,803 km (0.113 R)
• M20: 40,231,206 km (0.093 R)
• M21: 41,026,019 km (0.117 R)
• M22: 51,396,293 km (0.088 R)
• M23: 51,862,739 km (0.089 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: 497 - 19,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit