🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 8.2

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,558,417 km

• M1: 102,026 km (0.059 R)
• M2: 410,945 km (0.052 R)
• M3: 685,757 km (0.088 R)
• M4: 976,874 km (0.105 R)
• M5: 1,314,816 km (0.089 R)
• M6: 1,580,352 km (0.083 R)
• M7: 2,222,127 km (0.066 R)
• M8: 2,682,439 km (0.083 R)
• M9: 3,216,354 km (0.044 R)
• M10: 3,948,337 km (0.094 R)
• M11: 4,952,737 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 14.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.01 AU - 1.23 AU

Year: 804 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,558,417 km

• M1: 184,155 km (0.081 R)
• M2: 693,237 km (0.095 R)
• M3: 1,217,427 km (0.12 R)
• M4: 1,772,136 km (0.065 R)
• M5: 2,448,768 km (0.104 R)
• M6: 3,710,027 km (0.07 R)
• M7: 4,244,092 km (0.067 R)
• M8: 4,968,444 km (0.117 R)
• M9: 6,236,586 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 14.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.25 AU - 2.45 AU

Year: 2443 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,558,417 km

• M1: 176,675 km (0.082 R)
• M2: 624,422 km (0.066 R)
• M3: 1,198,429 km (0.053 R)
• M4: 2,090,780 km (0.081 R)
• M5: 2,721,484 km (0.05 R)
• M6: 3,194,663 km (0.089 R)
• M7: 3,832,099 km (0.079 R)
• M8: 5,158,434 km (0.102 R)
• M9: 6,690,765 km (0.096 R)
• M10: 7,188,178 km (0.11 R)
• M11: 7,710,125 km (0.102 R)
• M12: 9,027,633 km (0.115 R)
• M13: 11,011,450 km (0.12 R)
• M14: 11,510,958 km (0.093 R)
• M15: 12,308,763 km (0.069 R)
• M16: 13,926,365 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.9

Radius: 7.1

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.67 AU - 7.09 AU

Year: 9671 Days

Day: 17.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,558,417 km

• M1: 207,791 km (0.079 R)
• M2: 503,397 km (0.104 R)
• M3: 1,023,698 km (0.065 R)
• M4: 3,176,561 km (0.108 R)
• M5: 4,930,746 km (0.077 R)
• M6: 5,806,193 km (0.085 R)
• M7: 6,371,673 km (0.102 R)
• M8: 6,743,423 km (0.087 R)
• M9: 11,030,300 km (0.106 R)
• M10: 14,134,755 km (0.068 R)
• M11: 19,271,048 km (0.112 R)
• M12: 19,969,969 km (0.072 R)
• M13: 23,194,851 km (0.113 R)
• M14: 31,606,141 km (0.103 R)
• M15: 32,035,337 km (0.12 R)
• M16: 33,903,365 km (0.042 R)
• M17: 36,544,665 km (0.057 R)
• M18: 44,207,966 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 19,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit