🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 14.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.66 AU - 0.82 AU

Year: 447 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,037,817 km

• M1: 198,816 km (0.109 R)
• M2: 685,607 km (0.103 R)
• M3: 1,645,427 km (0.08 R)
• M4: 2,484,073 km (0.028 R)
• M5: 2,984,777 km (0.116 R)
• M6: 3,666,943 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 11.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.72 AU - 0.76 AU

Year: 447 Days

Day: 14.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,037,817 km

• M1: 145,708 km (0.101 R)
• M2: 590,014 km (0.103 R)
• M3: 1,152,053 km (0.106 R)
• M4: 1,723,667 km (0.081 R)
• M5: 2,644,442 km (0.063 R)
• M6: 3,545,470 km (0.045 R)
• M7: 4,067,566 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 14

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.71 AU - 1.05 AU

Year: 580 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 124.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,037,817 km

• M1: 174,132 km (0.054 R)
• M2: 622,626 km (0.104 R)
• M3: 1,393,654 km (0.052 R)
• M4: 1,960,779 km (0.09 R)
• M5: 2,794,339 km (0.106 R)
• M6: 3,353,386 km (0.053 R)
• M7: 3,801,581 km (0.085 R)
• M8: 5,733,189 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.6

Radius: 13.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.54 AU - 2.34 AU

Year: 1899 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,037,817 km

• M1: 173,534 km (0.054 R)
• M2: 666,010 km (0.102 R)
• M3: 1,626,428 km (0.089 R)
• M4: 2,287,202 km (0.072 R)
• M5: 2,861,059 km (0.1 R)
• M6: 3,645,999 km (0.113 R)
• M7: 4,789,675 km (0.11 R)
• M8: 7,094,529 km (0.092 R)
• M9: 7,721,793 km (0.119 R)
• M10: 8,238,205 km (0.095 R)
• M11: 11,763,629 km (0.081 R)
• M12: 12,294,402 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.3

Radius: 8.5

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.01 AU - 2.57 AU

Year: 2436 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,037,817 km

• M1: 105,766 km (0.1 R)
• M2: 370,704 km (0.03 R)
• M3: 675,135 km (0.081 R)
• M4: 1,237,474 km (0.118 R)
• M5: 1,664,127 km (0.083 R)
• M6: 1,972,598 km (0.071 R)
• M7: 2,401,943 km (0.115 R)
• M8: 2,892,475 km (0.104 R)
• M9: 3,255,549 km (0.118 R)
• M10: 3,723,641 km (0.11 R)
• M11: 4,381,871 km (0.119 R)
• M12: 5,068,675 km (0.107 R)
• M13: 5,673,200 km (0.083 R)
• M14: 6,190,809 km (0.071 R)
• M15: 6,796,231 km (0.087 R)
• M16: 7,561,724 km (0.052 R)
• M17: 8,285,927 km (0.09 R)
• M18: 8,986,643 km (0.098 R)
• M19: 13,769,586 km (0.032 R)
• M20: 14,847,888 km (0.114 R)
• M21: 15,680,400 km (0.068 R)
• M22: 17,171,592 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 19,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit