🌌 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: 758.3

Radius: 10.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.47 AU - 0.67 AU

Year: 302 Days

Day: 9.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,848,340 km

• M1: 125,812 km (0.085 R)
• M2: 477,965 km (0.109 R)
• M3: 884,572 km (0.099 R)
• M4: 1,309,131 km (0.033 R)
• M5: 1,699,432 km (0.116 R)
• M6: 2,040,814 km (0.114 R)
• M7: 2,682,290 km (0.077 R)
• M8: 3,107,597 km (0.111 R)
• M9: 3,658,566 km (0.059 R)
• M10: 4,069,511 km (0.095 R)
• M11: 4,391,296 km (0.104 R)
• M12: 4,771,873 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20

Radius: 11.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.61 AU - 0.79 AU

Year: 412 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,848,340 km

• M1: 144,362 km (0.102 R)
• M2: 698,323 km (0.054 R)
• M3: 1,171,800 km (0.072 R)
• M4: 1,609,523 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.9

Radius: 11.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.09 AU - 4.27 AU

Year: 4962 Days

Day: 7.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,848,340 km

• M1: 141,819 km (0.078 R)
• M2: 594,053 km (0.1 R)
• M3: 997,818 km (0.104 R)
• M4: 1,652,458 km (0.086 R)
• M5: 2,462,381 km (0.071 R)
• M6: 3,359,968 km (0.109 R)
• M7: 3,875,034 km (0.053 R)
• M8: 4,657,879 km (0.047 R)
• M9: 5,157,536 km (0.104 R)
• M10: 6,131,418 km (0.074 R)
• M11: 6,564,953 km (0.041 R)
• M12: 7,463,438 km (0.042 R)
• M13: 8,945,205 km (0.049 R)
• M14: 9,864,932 km (0.095 R)
• M15: 10,652,864 km (0.118 R)
• M16: 11,522,926 km (0.107 R)
• M17: 13,904,972 km (0.095 R)
• M18: 14,943,930 km (0.103 R)
• M19: 15,432,965 km (0.102 R)
• M20: 16,598,333 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.2

Radius: 6.2

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.81 AU - 11.77 AU

Year: 21532 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,848,340 km

• M1: 77,791 km (0.063 R)
• M2: 309,967 km (0.032 R)
• M3: 557,252 km (0.038 R)
• M4: 1,122,134 km (0.084 R)
• M5: 1,432,549 km (0.096 R)
• M6: 2,186,373 km (0.085 R)
• M7: 4,938,076 km (0.088 R)
• M8: 7,625,751 km (0.104 R)
• M9: 18,411,010 km (0.12 R)
• M10: 18,915,604 km (0.065 R)
• M11: 20,574,345 km (0.063 R)
• M12: 23,387,084 km (0.088 R)
• M13: 25,918,729 km (0.036 R)
• M14: 26,446,061 km (0.03 R)
• M15: 27,850,785 km (0.074 R)
• M16: 32,605,754 km (0.105 R)
• M17: 33,344,019 km (0.053 R)
• M18: 34,726,453 km (0.099 R)
• M19: 42,798,904 km (0.085 R)
• M20: 49,735,009 km (0.066 R)
• M21: 52,875,667 km (0.069 R)
• M22: 62,330,102 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 19,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit