🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.8

Radius: 10.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.77 AU - 0.77 AU

Year: 430 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 60 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,359,456 km

• M1: 134,339 km (0.109 R)
• M2: 526,734 km (0.095 R)
• M3: 960,119 km (0.119 R)
• M4: 1,438,982 km (0.098 R)
• M5: 1,836,015 km (0.112 R)
• M6: 2,260,424 km (0.094 R)
• M7: 2,834,730 km (0.089 R)
• M8: 3,554,146 km (0.066 R)
• M9: 4,478,661 km (0.039 R)
• M10: 4,934,486 km (0.109 R)
• M11: 5,693,695 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.1

Radius: 9.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.96 AU - 1.28 AU

Year: 754 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,359,456 km

• M1: 120,576 km (0.06 R)
• M2: 508,932 km (0.073 R)
• M3: 833,260 km (0.118 R)
• M4: 1,255,575 km (0.095 R)
• M5: 1,585,737 km (0.067 R)
• M6: 2,177,846 km (0.057 R)
• M7: 2,795,535 km (0.118 R)
• M8: 3,115,226 km (0.083 R)
• M9: 3,499,244 km (0.082 R)
• M10: 4,746,142 km (0.112 R)
• M11: 5,580,001 km (0.079 R)
• M12: 6,188,116 km (0.085 R)
• M13: 6,714,401 km (0.059 R)
• M14: 7,270,008 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 10.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.3 AU - 1.88 AU

Year: 1275 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,359,456 km

• M1: 134,339 km (0.08 R)
• M2: 527,632 km (0.117 R)
• M3: 1,275,172 km (0.042 R)
• M4: 1,745,508 km (0.104 R)
• M5: 2,152,115 km (0.109 R)
• M6: 2,669,125 km (0.108 R)
• M7: 3,240,290 km (0.061 R)
• M8: 3,577,334 km (0.063 R)
• M9: 4,095,242 km (0.086 R)
• M10: 4,456,670 km (0.065 R)
• M11: 5,396,743 km (0.051 R)
• M12: 5,771,486 km (0.108 R)
• M13: 6,142,638 km (0.116 R)
• M14: 6,955,852 km (0.079 R)
• M15: 9,457,129 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 8.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.27 AU - 2.03 AU

Year: 1348 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,359,456 km

• M1: 107,710 km (0.105 R)
• M2: 429,346 km (0.099 R)
• M3: 804,238 km (0.105 R)
• M4: 1,407,566 km (0.115 R)
• M5: 1,762,413 km (0.083 R)
• M6: 2,484,821 km (0.117 R)
• M7: 2,854,178 km (0.088 R)
• M8: 3,860,822 km (0.114 R)
• M9: 4,159,868 km (0.118 R)
• M10: 4,667,753 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 12.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.56 AU - 2 AU

Year: 1510 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,359,456 km

• M1: 155,582 km (0.066 R)
• M2: 592,856 km (0.041 R)
• M3: 987,047 km (0.068 R)
• M4: 1,503,907 km (0.099 R)
• M5: 1,985,762 km (0.097 R)
• M6: 2,636,513 km (0.116 R)
• M7: 3,441,798 km (0.06 R)
• M8: 4,235,714 km (0.119 R)
• M9: 5,190,747 km (0.029 R)
• M10: 5,628,919 km (0.108 R)
• M11: 8,059,735 km (0.119 R)
• M12: 8,770,774 km (0.118 R)
• M13: 10,489,204 km (0.051 R)
• M14: 11,703,789 km (0.079 R)
• M15: 12,154,079 km (0.096 R)
• M16: 13,129,607 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 13.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.63 AU - 2.49 AU

Year: 1880 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,359,456 km

• M1: 169,345 km (0.063 R)
• M2: 635,492 km (0.097 R)
• M3: 1,137,841 km (0.092 R)
• M4: 2,069,687 km (0.028 R)
• M5: 2,907,584 km (0.09 R)
• M6: 3,445,239 km (0.111 R)
• M7: 3,908,693 km (0.098 R)
• M8: 4,470,583 km (0.108 R)
• M9: 4,901,724 km (0.09 R)
• M10: 6,126,781 km (0.112 R)
• M11: 7,601,068 km (0.095 R)
• M12: 8,363,119 km (0.099 R)
• M13: 8,899,129 km (0.116 R)
• M14: 10,509,250 km (0.098 R)
• M15: 11,133,971 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 11.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.49 AU - 2.73 AU

Year: 2681 Days

Day: 13.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,359,456 km

• M1: 143,614 km (0.067 R)
• M2: 631,453 km (0.103 R)
• M3: 1,204,113 km (0.098 R)
• M4: 1,764,806 km (0.111 R)
• M5: 2,563,808 km (0.107 R)
• M6: 3,264,674 km (0.113 R)
• M7: 4,936,879 km (0.086 R)
• M8: 8,281,738 km (0.08 R)
• M9: 15,280,076 km (0.117 R)
• M10: 15,662,448 km (0.081 R)
• M11: 16,247,974 km (0.066 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 15,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit