🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 9.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.81 AU - 1.19 AU

Year: 646 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,989,629 km

• M1: 113,246 km (0.12 R)
• M2: 847,771 km (0.096 R)
• M3: 1,267,692 km (0.094 R)
• M4: 2,186,373 km (0.045 R)
• M5: 3,011,854 km (0.077 R)
• M6: 4,273,114 km (0.097 R)
• M7: 5,090,816 km (0.116 R)
• M8: 5,427,710 km (0.047 R)
• M9: 6,345,642 km (0.071 R)
• M10: 7,230,813 km (0.061 R)
• M11: 7,772,208 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 14.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.22 AU - 1.32 AU

Year: 924 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,989,629 km

• M1: 177,872 km (0.075 R)
• M2: 697,575 km (0.073 R)
• M3: 1,176,886 km (0.075 R)
• M4: 1,821,952 km (0.062 R)
• M5: 3,456,160 km (0.07 R)
• M6: 4,608,961 km (0.064 R)
• M7: 5,341,990 km (0.078 R)
• M8: 7,112,032 km (0.089 R)
• M9: 9,218,520 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 14.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.37 AU - 1.75 AU

Year: 1258 Days

Day: 14.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,989,629 km

• M1: 180,265 km (0.11 R)
• M2: 662,120 km (0.089 R)
• M3: 1,127,968 km (0.057 R)
• M4: 1,758,972 km (0.103 R)
• M5: 2,287,202 km (0.026 R)
• M6: 3,201,694 km (0.052 R)
• M7: 4,051,559 km (0.113 R)
• M8: 4,567,522 km (0.102 R)
• M9: 5,027,536 km (0.095 R)
• M10: 5,582,394 km (0.114 R)
• M11: 6,456,195 km (0.097 R)
• M12: 7,038,131 km (0.076 R)
• M13: 7,655,073 km (0.098 R)
• M14: 8,113,740 km (0.12 R)
• M15: 9,326,230 km (0.105 R)
• M16: 10,823,107 km (0.103 R)
• M17: 11,506,470 km (0.054 R)
• M18: 12,182,353 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 8.5

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.59 AU - 5.03 AU

Year: 5777 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,989,629 km

• M1: 105,766 km (0.117 R)
• M2: 509,979 km (0.117 R)
• M3: 1,017,116 km (0.05 R)
• M4: 2,276,431 km (0.054 R)
• M5: 2,808,550 km (0.118 R)
• M6: 3,181,797 km (0.101 R)
• M7: 4,190,536 km (0.081 R)
• M8: 4,603,575 km (0.114 R)
• M9: 5,205,408 km (0.03 R)
• M10: 6,037,920 km (0.03 R)
• M11: 7,293,644 km (0.044 R)
• M12: 7,784,475 km (0.116 R)
• M13: 9,147,760 km (0.116 R)
• M14: 10,140,791 km (0.053 R)
• M15: 11,112,728 km (0.048 R)
• M16: 13,240,908 km (0.072 R)
• M17: 15,117,164 km (0.029 R)
• M18: 18,477,431 km (0.071 R)
• M19: 19,191,462 km (0.084 R)
• M20: 21,943,614 km (0.112 R)
• M21: 26,959,481 km (0.075 R)
• M22: 28,816,739 km (0.041 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: 460 - 16,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit