🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 14.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.69 AU - 0.69 AU

Year: 370 Days

Day: 13.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,343,318 km

• M1: 184,005 km (0.117 R)
• M2: 774,618 km (0.079 R)
• M3: 1,312,422 km (0.091 R)
• M4: 2,706,525 km (0.084 R)
• M5: 3,234,605 km (0.085 R)
• M6: 3,747,127 km (0.09 R)
• M7: 5,040,551 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 8.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.81 AU

Year: 370 Days

Day: 11.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,343,318 km

• M1: 108,159 km (0.079 R)
• M2: 613,800 km (0.051 R)
• M3: 1,078,750 km (0.116 R)
• M4: 1,607,280 km (0.099 R)
• M5: 1,902,735 km (0.078 R)
• M6: 2,928,977 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.9

Radius: 14

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.74 AU - 0.8 AU

Year: 436 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 99.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,343,318 km

• M1: 174,132 km (0.094 R)
• M2: 632,201 km (0.108 R)
• M3: 1,125,874 km (0.112 R)
• M4: 2,064,600 km (0.095 R)
• M5: 2,513,244 km (0.046 R)
• M6: 3,247,321 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 12.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.73 AU - 0.83 AU

Year: 445 Days

Day: 5.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,343,318 km

• M1: 151,842 km (0.119 R)
• M2: 549,772 km (0.1 R)
• M3: 1,078,750 km (0.098 R)
• M4: 1,695,093 km (0.092 R)
• M5: 2,171,114 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 12.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.86 AU - 1.24 AU

Year: 695 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,343,318 km

• M1: 159,172 km (0.059 R)
• M2: 1,016,667 km (0.078 R)
• M3: 1,448,107 km (0.1 R)
• M4: 1,848,581 km (0.098 R)
• M5: 2,284,958 km (0.093 R)
• M6: 2,768,159 km (0.106 R)
• M7: 3,231,015 km (0.063 R)
• M8: 3,900,615 km (0.085 R)
• M9: 4,532,965 km (0.039 R)
• M10: 4,991,782 km (0.087 R)
• M11: 6,396,655 km (0.092 R)
• M12: 7,018,683 km (0.106 R)
• M13: 7,500,089 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 14.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.73 AU - 4.85 AU

Year: 6769 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,343,318 km

• M1: 176,974 km (0.119 R)
• M2: 1,193,342 km (0.106 R)
• M3: 1,860,399 km (0.054 R)
• M4: 2,612,278 km (0.034 R)
• M5: 3,173,569 km (0.11 R)
• M6: 3,637,323 km (0.115 R)
• M7: 4,726,545 km (0.041 R)
• M8: 6,190,360 km (0.117 R)
• M9: 6,799,971 km (0.062 R)
• M10: 8,659,323 km (0.114 R)
• M11: 11,682,247 km (0.118 R)
• M12: 14,834,723 km (0.057 R)
• M13: 15,558,927 km (0.063 R)
• M14: 17,758,464 km (0.087 R)
• M15: 18,932,957 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.4

Radius: 6.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.64 AU - 6.86 AU

Year: 10089 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,343,318 km

• M1: 75,846 km (0.085 R)
• M2: 422,764 km (0.065 R)
• M3: 614,398 km (0.03 R)
• M4: 850,314 km (0.072 R)
• M5: 1,137,243 km (0.093 R)
• M6: 1,430,006 km (0.046 R)
• M7: 2,107,834 km (0.109 R)
• M8: 2,620,356 km (0.105 R)
• M9: 2,943,189 km (0.063 R)
• M10: 3,353,236 km (0.088 R)
• M11: 3,712,421 km (0.041 R)
• M12: 4,710,089 km (0.036 R)
• M13: 5,815,916 km (0.11 R)
• M14: 6,492,996 km (0.111 R)
• M15: 7,152,873 km (0.092 R)
• M16: 8,338,137 km (0.064 R)
• M17: 11,275,192 km (0.09 R)
• M18: 13,489,539 km (0.07 R)
• M19: 13,858,298 km (0.099 R)
• M20: 15,400,502 km (0.077 R)
• M21: 21,269,975 km (0.109 R)
• M22: 25,567,323 km (0.104 R)
• M23: 27,622,200 km (0.109 R)
• M24: 28,906,497 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 14,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit