🌌 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: 222.7

Radius: 14.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.59 AU - 0.95 AU

Year: 436 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,126,369 km

• M1: 180,415 km (0.099 R)
• M2: 862,282 km (0.112 R)
• M3: 1,457,382 km (0.117 R)
• M4: 2,119,951 km (0.085 R)
• M5: 2,594,925 km (0.065 R)
• M6: 3,161,452 km (0.069 R)
• M7: 3,765,678 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 13.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.74 AU - 0.88 AU

Year: 471 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,126,369 km

• M1: 172,935 km (0.09 R)
• M2: 622,028 km (0.076 R)
• M3: 1,103,583 km (0.111 R)
• M4: 1,624,932 km (0.118 R)
• M5: 2,922,544 km (0.118 R)
• M6: 3,444,042 km (0.037 R)
• M7: 4,054,252 km (0.102 R)
• M8: 4,632,148 km (0.094 R)
• M9: 5,136,742 km (0.081 R)
• M10: 5,763,408 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.7

Radius: 9.2

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.91 AU - 1.29 AU

Year: 745 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,126,369 km

• M1: 114,442 km (0.065 R)
• M2: 450,888 km (0.117 R)
• M3: 867,967 km (0.116 R)
• M4: 1,389,465 km (0.113 R)
• M5: 1,978,432 km (0.11 R)
• M6: 2,265,211 km (0.118 R)
• M7: 2,569,194 km (0.025 R)
• M8: 3,234,306 km (0.114 R)
• M9: 3,539,037 km (0.106 R)
• M10: 4,099,879 km (0.084 R)
• M11: 4,457,867 km (0.1 R)
• M12: 5,254,476 km (0.077 R)
• M13: 5,658,539 km (0.095 R)
• M14: 6,024,306 km (0.045 R)
• M15: 6,675,805 km (0.099 R)
• M16: 7,464,186 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 13.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.41 AU - 1.71 AU

Year: 1258 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,126,369 km

• M1: 173,085 km (0.111 R)
• M2: 619,485 km (0.109 R)
• M3: 1,062,294 km (0.111 R)
• M4: 1,585,289 km (0.119 R)
• M5: 2,056,522 km (0.109 R)
• M6: 2,724,626 km (0.066 R)
• M7: 3,548,461 km (0.081 R)
• M8: 4,370,352 km (0.036 R)
• M9: 5,009,883 km (0.115 R)
• M10: 5,634,454 km (0.11 R)
• M11: 7,265,520 km (0.114 R)
• M12: 8,264,834 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 13.4

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.55 AU - 1.83 AU

Year: 1419 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,126,369 km

• M1: 166,652 km (0.03 R)
• M2: 756,516 km (0.08 R)
• M3: 1,736,981 km (0.086 R)
• M4: 2,396,558 km (0.105 R)
• M5: 3,057,631 km (0.081 R)
• M6: 3,558,784 km (0.098 R)
• M7: 4,535,957 km (0.047 R)
• M8: 5,149,907 km (0.11 R)
• M9: 5,662,878 km (0.067 R)
• M10: 6,968,418 km (0.085 R)
• M11: 7,410,181 km (0.096 R)
• M12: 8,436,871 km (0.07 R)
• M13: 10,070,181 km (0.037 R)
• M14: 11,868,945 km (0.064 R)
• M15: 12,960,561 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 10.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.77 AU - 2.47 AU

Year: 1993 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,126,369 km

• M1: 134,339 km (0.105 R)
• M2: 864,376 km (0.106 R)
• M3: 1,333,366 km (0.107 R)
• M4: 2,749,010 km (0.086 R)
• M5: 3,286,216 km (0.086 R)
• M6: 3,707,484 km (0.081 R)
• M7: 4,875,544 km (0.073 R)
• M8: 5,445,512 km (0.076 R)
• M9: 6,016,976 km (0.102 R)
• M10: 6,405,182 km (0.084 R)
• M11: 6,856,220 km (0.103 R)
• M12: 7,304,266 km (0.096 R)
• M13: 7,847,306 km (0.115 R)
• M14: 10,112,367 km (0.105 R)

Asteroid Belt

Center: 4.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 3.9

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.22 AU - 6.88 AU

Year: 10824 Days

Day: 15.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,126,369 km

• M1: 58,942 km (0.054 R)
• M2: 346,169 km (0.114 R)
• M3: 559,197 km (0.062 R)
• M4: 1,430,604 km (0.1 R)
• M5: 4,258,154 km (0.107 R)
• M6: 5,581,945 km (0.11 R)
• M7: 7,373,380 km (0.113 R)
• M8: 11,345,652 km (0.088 R)
• M9: 14,741,524 km (0.057 R)
• M10: 17,239,659 km (0.103 R)
• M11: 19,584,007 km (0.113 R)
• M12: 20,434,172 km (0.05 R)
• M13: 24,566,364 km (0.106 R)
• M14: 26,654,900 km (0.085 R)
• M15: 30,051,370 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 17,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit