🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 8.6

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.54 AU - 0.84 AU

Year: 364 Days

Day: 9.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,827,103 km

• M1: 106,962 km (0.051 R)
• M2: 408,402 km (0.11 R)
• M3: 680,970 km (0.086 R)
• M4: 1,129,913 km (0.092 R)
• M5: 1,419,833 km (0.097 R)
• M6: 1,774,979 km (0.11 R)
• M7: 2,119,951 km (0.043 R)
• M8: 2,626,490 km (0.112 R)
• M9: 3,121,210 km (0.118 R)
• M10: 3,541,281 km (0.068 R)
• M11: 4,078,636 km (0.045 R)
• M12: 4,581,584 km (0.083 R)
• M13: 5,031,724 km (0.078 R)
• M14: 5,396,444 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 9.2

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.66 AU - 0.9 AU

Year: 438 Days

Day: 12.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,827,103 km

• M1: 114,442 km (0.106 R)
• M2: 529,876 km (0.082 R)
• M3: 832,512 km (0.049 R)
• M4: 1,410,259 km (0.038 R)
• M5: 1,754,933 km (0.105 R)
• M6: 2,290,643 km (0.081 R)
• M7: 2,888,436 km (0.118 R)
• M8: 3,366,251 km (0.067 R)
• M9: 4,167,348 km (0.103 R)
• M10: 4,465,796 km (0.104 R)
• M11: 4,901,724 km (0.116 R)
• M12: 5,365,776 km (0.106 R)
• M13: 5,946,815 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 11.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.79 AU - 0.79 AU

Year: 446 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 11,827,103 km

• M1: 139,425 km (0.063 R)
• M2: 518,207 km (0.101 R)
• M3: 987,645 km (0.109 R)
• M4: 1,485,656 km (0.119 R)
• M5: 2,115,015 km (0.118 R)
• M6: 2,605,097 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.4

Radius: 12.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.72 AU - 1.18 AU

Year: 589 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,827,103 km

• M1: 153,039 km (0.12 R)
• M2: 584,479 km (0.112 R)
• M3: 985,252 km (0.103 R)
• M4: 1,731,595 km (0.047 R)
• M5: 2,159,445 km (0.066 R)
• M6: 2,658,205 km (0.084 R)
• M7: 3,211,118 km (0.12 R)
• M8: 3,827,462 km (0.103 R)
• M9: 4,521,446 km (0.107 R)
• M10: 5,172,795 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 13

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.2 AU - 1.72 AU

Year: 1122 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,827,103 km

• M1: 162,912 km (0.118 R)
• M2: 1,224,758 km (0.054 R)
• M3: 1,849,628 km (0.079 R)
• M4: 2,783,568 km (0.077 R)
• M5: 3,500,141 km (0.069 R)
• M6: 4,588,765 km (0.119 R)
• M7: 5,004,647 km (0.095 R)
• M8: 6,089,681 km (0.055 R)
• M9: 7,100,513 km (0.062 R)
• M10: 7,529,859 km (0.037 R)
• M11: 8,084,269 km (0.048 R)
• M12: 10,874,419 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 14,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit