🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.5

Radius: 10.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.84 AU - 1.06 AU

Year: 607 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,542,027 km

• M1: 133,142 km (0.12 R)
• M2: 556,354 km (0.066 R)
• M3: 977,921 km (0.087 R)
• M4: 2,092,725 km (0.091 R)
• M5: 2,856,422 km (0.079 R)
• M6: 3,256,895 km (0.119 R)
• M7: 3,639,567 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 10.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.91 AU - 1.01 AU

Year: 617 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,542,027 km

• M1: 148,999 km (0.038 R)
• M2: 501,302 km (0.111 R)
• M3: 878,588 km (0.101 R)
• M4: 2,048,294 km (0.096 R)
• M5: 2,527,905 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208

Radius: 12.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.49 AU - 1.73 AU

Year: 1340 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,542,027 km

• M1: 153,039 km (0.096 R)
• M2: 640,578 km (0.094 R)
• M3: 1,297,762 km (0.067 R)
• M4: 1,924,427 km (0.05 R)
• M5: 2,314,429 km (0.083 R)
• M6: 3,143,051 km (0.117 R)
• M7: 4,084,171 km (0.117 R)
• M8: 5,422,025 km (0.097 R)
• M9: 5,817,562 km (0.036 R)
• M10: 6,924,437 km (0.119 R)
• M11: 7,902,208 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 8.5

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.45 AU - 1.77 AU

Year: 1340 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,542,027 km

• M1: 105,766 km (0.115 R)
• M2: 549,473 km (0.088 R)
• M3: 980,165 km (0.075 R)
• M4: 1,400,535 km (0.113 R)
• M5: 1,968,708 km (0.103 R)
• M6: 2,431,713 km (0.118 R)
• M7: 3,121,509 km (0.057 R)
• M8: 3,687,588 km (0.097 R)
• M9: 4,177,670 km (0.112 R)
• M10: 4,729,686 km (0.04 R)
• M11: 5,626,376 km (0.076 R)
• M12: 7,540,181 km (0.071 R)
• M13: 8,877,138 km (0.114 R)
• M14: 9,478,521 km (0.101 R)
• M15: 9,757,820 km (0.098 R)
• M16: 10,235,486 km (0.049 R)
• M17: 10,529,596 km (0.106 R)
• M18: 10,862,900 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 9.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.63 AU - 2.05 AU

Year: 1637 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,542,027 km

• M1: 121,922 km (0.082 R)
• M2: 485,445 km (0.09 R)
• M3: 924,664 km (0.1 R)
• M4: 1,263,354 km (0.1 R)
• M5: 1,791,285 km (0.087 R)
• M6: 2,135,360 km (0.063 R)
• M7: 2,763,372 km (0.036 R)
• M8: 4,638,132 km (0.083 R)
• M9: 5,120,436 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.3

Radius: 12.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.72 AU - 2.08 AU

Year: 1718 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,542,027 km

• M1: 160,519 km (0.097 R)
• M2: 611,107 km (0.089 R)
• M3: 1,029,233 km (0.078 R)
• M4: 2,062,506 km (0.106 R)
• M5: 2,508,906 km (0.092 R)
• M6: 3,456,758 km (0.097 R)
• M7: 4,236,761 km (0.119 R)
• M8: 4,826,327 km (0.05 R)
• M9: 5,341,392 km (0.091 R)
• M10: 6,629,430 km (0.099 R)
• M11: 8,086,513 km (0.091 R)
• M12: 10,505,959 km (0.071 R)
• M13: 10,916,905 km (0.117 R)
• M14: 12,327,762 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.3

Radius: 6

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.99 AU - 9.61 AU

Year: 18605 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,542,027 km

• M1: 74,799 km (0.117 R)
• M2: 394,041 km (0.082 R)
• M3: 875,447 km (0.082 R)
• M4: 1,487,452 km (0.053 R)
• M5: 1,953,150 km (0.043 R)
• M6: 2,904,592 km (0.061 R)
• M7: 3,690,280 km (0.083 R)
• M8: 5,795,571 km (0.108 R)
• M9: 6,706,473 km (0.101 R)
• M10: 7,172,171 km (0.115 R)
• M11: 14,255,929 km (0.054 R)
• M12: 19,475,848 km (0.11 R)
• M13: 20,326,162 km (0.117 R)
• M14: 21,102,425 km (0.075 R)
• M15: 45,842,323 km (0.068 R)
• M16: 54,045,073 km (0.111 R)
• M17: 56,475,141 km (0.096 R)
• M18: 60,156,595 km (0.117 R)
• M19: 63,173,535 km (0.091 R)
• M20: 64,823,151 km (0.095 R)
• M21: 67,350,906 km (0.039 R)
• M22: 73,051,931 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 13,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit