🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.1

Radius: 11.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.52 AU - 0.56 AU

Year: 265 Days

Day: 9.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,509,615 km

• M1: 144,212 km (0.065 R)
• M2: 537,056 km (0.097 R)
• M3: 931,995 km (0.078 R)
• M4: 1,322,296 km (0.113 R)
• M5: 1,746,854 km (0.119 R)
• M6: 2,143,139 km (0.091 R)
• M7: 2,566,202 km (0.077 R)
• M8: 2,933,764 km (0.113 R)
• M9: 3,604,561 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.7

Radius: 8.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.92 AU - 1 AU

Year: 627 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,509,615 km

• M1: 110,852 km (0.112 R)
• M2: 403,615 km (0.114 R)
• M3: 728,242 km (0.115 R)
• M4: 1,313,918 km (0.073 R)
• M5: 1,643,333 km (0.047 R)
• M6: 1,963,921 km (0.053 R)
• M7: 2,398,652 km (0.077 R)
• M8: 2,683,487 km (0.039 R)
• M9: 3,023,074 km (0.098 R)
• M10: 4,286,428 km (0.031 R)
• M11: 4,752,575 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 12.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.19 AU - 1.29 AU

Year: 921 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,509,615 km

• M1: 156,779 km (0.106 R)
• M2: 628,461 km (0.117 R)
• M3: 2,090,929 km (0.11 R)
• M4: 2,819,022 km (0.106 R)
• M5: 3,471,419 km (0.071 R)
• M6: 3,870,995 km (0.059 R)
• M7: 5,150,804 km (0.038 R)
• M8: 5,558,608 km (0.098 R)
• M9: 6,760,328 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 12

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.61 AU - 1.95 AU

Year: 1584 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,509,615 km

• M1: 149,299 km (0.086 R)
• M2: 586,723 km (0.076 R)
• M3: 1,040,453 km (0.087 R)
• M4: 1,558,511 km (0.118 R)
• M5: 1,951,355 km (0.099 R)
• M6: 2,661,496 km (0.075 R)
• M7: 3,186,435 km (0.091 R)
• M8: 4,482,850 km (0.084 R)
• M9: 5,209,297 km (0.042 R)
• M10: 6,576,472 km (0.114 R)
• M11: 9,315,908 km (0.106 R)
• M12: 9,784,000 km (0.109 R)
• M13: 10,632,669 km (0.11 R)
• M14: 12,106,656 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.8

Radius: 6.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.04 AU - 6.7 AU

Year: 9484 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 15,509,615 km

• M1: 99,483 km (0.075 R)
• M2: 553,063 km (0.101 R)
• M3: 1,219,223 km (0.098 R)
• M4: 2,012,690 km (0.034 R)
• M5: 4,015,506 km (0.111 R)
• M6: 4,765,590 km (0.04 R)
• M7: 7,292,447 km (0.117 R)
• M8: 14,469,555 km (0.075 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: 474 - 17,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit