🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 10.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.42 AU - 0.6 AU

Year: 243 Days

Day: 6.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 7,251,130 km

• M1: 134,339 km (0.106 R)
• M2: 501,153 km (0.095 R)
• M3: 847,173 km (0.096 R)
• M4: 1,223,860 km (0.106 R)
• M5: 1,654,403 km (0.086 R)
• M6: 2,221,977 km (0.044 R)
• M7: 2,600,909 km (0.117 R)
• M8: 2,995,997 km (0.091 R)
• M9: 3,372,086 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.8

Radius: 8.3

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.79 AU - 0.89 AU

Year: 513 Days

Day: 14.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 7,251,130 km

• M1: 103,223 km (0.07 R)
• M2: 381,624 km (0.107 R)
• M3: 685,308 km (0.083 R)
• M4: 1,244,804 km (0.077 R)
• M5: 1,747,303 km (0.085 R)
• M6: 2,282,864 km (0.107 R)
• M7: 2,558,722 km (0.109 R)
• M8: 2,879,161 km (0.085 R)
• M9: 3,178,356 km (0.107 R)
• M10: 3,963,147 km (0.119 R)
• M11: 4,349,259 km (0.065 R)
• M12: 5,180,724 km (0.119 R)
• M13: 5,451,346 km (0.092 R)
• M14: 6,282,961 km (0.058 R)
• M15: 6,571,685 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 14

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.86 AU - 0.9 AU

Year: 550 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,251,130 km

• M1: 184,005 km (0.069 R)
• M2: 624,571 km (0.073 R)
• M3: 1,124,976 km (0.115 R)
• M4: 1,868,926 km (0.081 R)
• M5: 2,878,712 km (0.109 R)
• M6: 3,428,783 km (0.066 R)
• M7: 4,092,549 km (0.097 R)
• M8: 5,283,647 km (0.046 R)
• M9: 5,771,935 km (0.075 R)
• M10: 6,270,694 km (0.073 R)
• M11: 6,945,231 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 11.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.91 AU - 1.09 AU

Year: 667 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,251,130 km

• M1: 145,559 km (0.1 R)
• M2: 565,031 km (0.088 R)
• M3: 1,025,045 km (0.101 R)
• M4: 1,391,559 km (0.117 R)
• M5: 1,847,982 km (0.111 R)
• M6: 2,280,320 km (0.063 R)
• M7: 3,528,715 km (0.099 R)
• M8: 4,063,527 km (0.111 R)
• M9: 4,455,025 km (0.072 R)
• M10: 5,823,097 km (0.109 R)
• M11: 6,915,760 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 9.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.57 AU - 1.61 AU

Year: 1337 Days

Day: 13.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,251,130 km

• M1: 122,820 km (0.057 R)
• M2: 503,995 km (0.069 R)
• M3: 1,235,978 km (0.118 R)
• M4: 1,716,336 km (0.091 R)
• M5: 3,422,350 km (0.088 R)
• M6: 3,738,002 km (0.063 R)
• M7: 4,273,712 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 8.4

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.67 AU - 1.93 AU

Year: 1610 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 7,251,130 km

• M1: 104,419 km (0.086 R)
• M2: 477,816 km (0.054 R)
• M3: 821,891 km (0.091 R)
• M4: 1,171,052 km (0.103 R)
• M5: 1,818,961 km (0.1 R)
• M6: 2,140,297 km (0.04 R)
• M7: 2,784,465 km (0.046 R)
• M8: 3,404,249 km (0.114 R)
• M9: 3,773,008 km (0.086 R)
• M10: 4,531,768 km (0.087 R)
• M11: 5,344,384 km (0.113 R)
• M12: 7,202,090 km (0.084 R)
• M13: 8,070,955 km (0.088 R)
• M14: 8,485,490 km (0.07 R)
• M15: 9,518,913 km (0.074 R)
• M16: 10,881,300 km (0.038 R)
• M17: 11,871,489 km (0.067 R)
• M18: 12,176,219 km (0.12 R)
• M19: 13,000,803 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 11.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.66 AU - 3.66 AU

Year: 3746 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 7,251,130 km

• M1: 142,268 km (0.053 R)
• M2: 583,282 km (0.11 R)
• M3: 1,624,334 km (0.069 R)
• M4: 2,907,435 km (0.035 R)
• M5: 6,610,281 km (0.043 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: 249 - 11,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit