🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 11.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,860,340 km

• M1: 139,276 km (0.102 R)
• M2: 547,977 km (0.11 R)
• M3: 1,035,965 km (0.086 R)
• M4: 1,545,196 km (0.108 R)
• M5: 1,925,025 km (0.082 R)
• M6: 2,296,028 km (0.1 R)
• M7: 2,679,747 km (0.065 R)
• M8: 3,185,238 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 14

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.6 AU - 0.86 AU

Year: 431 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,860,340 km

• M1: 176,525 km (0.101 R)
• M2: 648,507 km (0.051 R)
• M3: 1,277,566 km (0.074 R)
• M4: 1,732,493 km (0.08 R)
• M5: 2,403,739 km (0.08 R)
• M6: 2,894,719 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 13.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.74 AU - 0.9 AU

Year: 513 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 24,860,340 km

• M1: 166,652 km (0.074 R)
• M2: 1,170,005 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.7

Radius: 10.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.95 AU - 1.43 AU

Year: 896 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,860,340 km

• M1: 127,158 km (0.1 R)
• M2: 517,160 km (0.095 R)
• M3: 1,042,847 km (0.107 R)
• M4: 1,546,094 km (0.093 R)
• M5: 2,036,326 km (0.111 R)
• M6: 3,044,017 km (0.091 R)
• M7: 3,448,979 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 8.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.08 AU - 1.72 AU

Year: 1143 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,860,340 km

• M1: 104,569 km (0.066 R)
• M2: 488,886 km (0.048 R)
• M3: 900,430 km (0.095 R)
• M4: 1,405,472 km (0.087 R)
• M5: 1,723,218 km (0.037 R)
• M6: 2,151,217 km (0.043 R)
• M7: 2,517,433 km (0.064 R)
• M8: 3,016,940 km (0.077 R)
• M9: 3,462,892 km (0.103 R)
• M10: 4,247,233 km (0.094 R)
• M11: 4,789,974 km (0.11 R)
• M12: 5,679,633 km (0.08 R)
• M13: 6,250,947 km (0.046 R)
• M14: 6,953,309 km (0.116 R)
• M15: 7,557,385 km (0.083 R)
• M16: 7,936,167 km (0.117 R)
• M17: 9,008,933 km (0.049 R)
• M18: 9,435,138 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.48 AU - 2.28 AU

Year: 1779 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,860,340 km

• M1: 111,899 km (0.038 R)
• M2: 415,284 km (0.077 R)
• M3: 842,236 km (0.038 R)
• M4: 1,516,623 km (0.032 R)
• M5: 1,813,425 km (0.109 R)
• M6: 2,589,539 km (0.102 R)
• M7: 3,915,425 km (0.097 R)
• M8: 6,345,194 km (0.072 R)
• M9: 6,850,984 km (0.05 R)
• M10: 9,027,932 km (0.031 R)
• M11: 10,869,482 km (0.114 R)
• M12: 11,383,949 km (0.116 R)
• M13: 12,313,850 km (0.035 R)

Asteroid Belt

Center: 4.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57

Radius: 5.2

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.17 AU - 7.95 AU

Year: 12948 Days

Day: 16.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,860,340 km

• M1: 66,122 km (0.106 R)
• M2: 248,482 km (0.08 R)
• M3: 1,372,261 km (0.058 R)
• M4: 2,264,463 km (0.091 R)
• M5: 3,164,145 km (0.034 R)
• M6: 3,491,166 km (0.089 R)
• M7: 4,012,664 km (0.071 R)
• M8: 5,003,450 km (0.104 R)
• M9: 5,501,312 km (0.078 R)
• M10: 5,888,771 km (0.087 R)
• M11: 8,790,221 km (0.103 R)
• M12: 10,235,187 km (0.056 R)
• M13: 12,059,234 km (0.059 R)
• M14: 17,900,732 km (0.093 R)
• M15: 18,140,687 km (0.1 R)
• M16: 21,933,741 km (0.108 R)
• M17: 22,905,678 km (0.119 R)
• M18: 23,330,835 km (0.077 R)
• M19: 23,978,295 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 15,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit