🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 13.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.89 AU

Year: 407 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,081,679 km

• M1: 170,392 km (0.026 R)
• M2: 587,022 km (0.109 R)
• M3: 1,019,360 km (0.106 R)
• M4: 1,459,178 km (0.086 R)
• M5: 1,911,562 km (0.05 R)
• M6: 2,403,888 km (0.063 R)
• M7: 3,012,901 km (0.084 R)
• M8: 3,447,483 km (0.088 R)
• M9: 3,962,698 km (0.102 R)
• M10: 4,389,501 km (0.108 R)
• M11: 4,861,931 km (0.056 R)
• M12: 5,577,607 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 10

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.94 AU - 1.26 AU

Year: 769 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,081,679 km

• M1: 124,465 km (0.079 R)
• M2: 519,853 km (0.1 R)
• M3: 1,247,048 km (0.062 R)
• M4: 1,664,426 km (0.096 R)
• M5: 2,270,447 km (0.12 R)
• M6: 2,674,361 km (0.06 R)
• M7: 3,017,539 km (0.118 R)
• M8: 3,821,478 km (0.104 R)
• M9: 4,350,306 km (0.111 R)
• M10: 4,680,768 km (0.053 R)
• M11: 5,572,670 km (0.077 R)
• M12: 5,906,423 km (0.092 R)
• M13: 6,717,244 km (0.096 R)
• M14: 7,466,579 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 15

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.69 AU - 1.75 AU

Year: 1504 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,081,679 km

• M1: 186,848 km (0.051 R)
• M2: 757,414 km (0.046 R)
• M3: 1,344,586 km (0.084 R)
• M4: 2,555,431 km (0.096 R)
• M5: 3,074,984 km (0.116 R)
• M6: 3,599,923 km (0.12 R)
• M7: 4,112,894 km (0.103 R)
• M8: 4,616,291 km (0.107 R)
• M9: 5,794,075 km (0.038 R)
• M10: 6,827,946 km (0.114 R)
• M11: 7,296,038 km (0.087 R)
• M12: 8,472,475 km (0.083 R)
• M13: 9,387,715 km (0.103 R)
• M14: 9,935,243 km (0.101 R)
• M15: 10,640,897 km (0.067 R)
• M16: 11,165,237 km (0.104 R)
• M17: 12,882,022 km (0.119 R)
• M18: 13,722,014 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.8

Radius: 5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.05 AU - 10.79 AU

Year: 19280 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,081,679 km

• M1: 248,482 km (0.066 R)
• M2: 792,420 km (0.076 R)
• M3: 2,367,237 km (0.089 R)
• M4: 2,693,360 km (0.098 R)
• M5: 3,364,606 km (0.101 R)
• M6: 5,185,661 km (0.048 R)
• M7: 6,576,173 km (0.097 R)
• M8: 10,615,465 km (0.045 R)
• M9: 12,318,038 km (0.064 R)
• M10: 17,074,054 km (0.114 R)
• M11: 18,872,220 km (0.075 R)
• M12: 25,017,551 km (0.095 R)
• M13: 25,559,993 km (0.111 R)
• M14: 28,293,146 km (0.12 R)
• M15: 30,491,936 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 14,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit