🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 12.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.6 AU - 0.64 AU

Year: 337 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,149,650 km

• M1: 157,975 km (0.118 R)
• M2: 557,402 km (0.113 R)
• M3: 1,130,511 km (0.102 R)
• M4: 1,689,259 km (0.088 R)
• M5: 2,311,287 km (0.077 R)
• M6: 2,751,254 km (0.12 R)
• M7: 3,174,467 km (0.037 R)
• M8: 3,791,558 km (0.086 R)
• M9: 4,408,948 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 10.6

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.71 AU - 0.85 AU

Year: 476 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,149,650 km

• M1: 131,796 km (0.083 R)
• M2: 465,549 km (0.118 R)
• M3: 817,552 km (0.078 R)
• M4: 1,267,543 km (0.074 R)
• M5: 1,736,233 km (0.098 R)
• M6: 2,069,537 km (0.082 R)
• M7: 2,547,203 km (0.08 R)
• M8: 2,924,489 km (0.086 R)
• M9: 3,464,836 km (0.07 R)
• M10: 4,014,010 km (0.104 R)
• M11: 5,052,518 km (0.091 R)
• M12: 5,652,705 km (0.117 R)
• M13: 6,242,420 km (0.114 R)
• M14: 6,791,743 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 14.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.86 AU - 1 AU

Year: 619 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,149,650 km

• M1: 177,872 km (0.057 R)
• M2: 654,939 km (0.056 R)
• M3: 1,180,776 km (0.105 R)
• M4: 1,703,920 km (0.075 R)
• M5: 2,226,166 km (0.104 R)
• M6: 2,754,246 km (0.027 R)
• M7: 3,549,209 km (0.069 R)
• M8: 4,096,887 km (0.1 R)
• M9: 4,588,167 km (0.085 R)
• M10: 5,346,030 km (0.113 R)
• M11: 6,030,589 km (0.117 R)
• M12: 6,485,217 km (0.106 R)
• M13: 7,419,306 km (0.036 R)
• M14: 7,895,776 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 12.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.56 AU - 3.96 AU

Year: 5033 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,149,650 km

• M1: 155,432 km (0.082 R)
• M2: 747,690 km (0.093 R)
• M3: 1,309,430 km (0.067 R)
• M4: 2,016,131 km (0.049 R)
• M5: 2,676,904 km (0.093 R)
• M6: 3,478,001 km (0.09 R)
• M7: 3,867,703 km (0.113 R)
• M8: 5,700,876 km (0.04 R)
• M9: 7,301,124 km (0.118 R)
• M10: 7,726,132 km (0.091 R)
• M11: 8,433,131 km (0.092 R)
• M12: 9,890,813 km (0.078 R)
• M13: 11,700,648 km (0.092 R)
• M14: 12,583,275 km (0.084 R)
• M15: 12,989,583 km (0.089 R)
• M16: 13,509,885 km (0.076 R)
• M17: 18,445,417 km (0.1 R)
• M18: 20,257,496 km (0.08 R)
• M19: 21,601,933 km (0.11 R)
• M20: 23,460,387 km (0.105 R)
• M21: 26,320,848 km (0.115 R)
• M22: 28,875,979 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.1

Radius: 5.7

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.49 AU - 10.73 AU

Year: 17439 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,149,650 km

• M1: 83,924 km (0.112 R)
• M2: 273,615 km (0.081 R)
• M3: 566,078 km (0.073 R)
• M4: 1,163,871 km (0.047 R)
• M5: 1,966,614 km (0.08 R)
• M6: 3,801,731 km (0.093 R)
• M7: 10,341,551 km (0.117 R)
• M8: 11,373,627 km (0.052 R)
• M9: 15,526,763 km (0.058 R)
• M10: 21,939,276 km (0.098 R)
• M11: 25,416,678 km (0.115 R)
• M12: 26,968,008 km (0.037 R)
• M13: 29,355,889 km (0.111 R)
• M14: 30,258,114 km (0.067 R)
• M15: 37,885,810 km (0.029 R)
• M16: 42,567,476 km (0.092 R)
• M17: 45,493,909 km (0.094 R)
• M18: 46,094,844 km (0.116 R)
• M19: 49,337,079 km (0.1 R)
• M20: 54,227,583 km (0.038 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 14,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit