🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.42 AU - 0.62 AU

Year: 238 Days

Day: 38.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.2

Radius: 11.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.73 AU - 0.83 AU

Year: 438 Days

Day: 13 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,535,591 km

• M1: 138,079 km (0.118 R)
• M2: 671,545 km (0.041 R)
• M3: 1,112,559 km (0.083 R)
• M4: 1,649,765 km (0.079 R)
• M5: 2,170,665 km (0.118 R)
• M6: 2,540,321 km (0.068 R)
• M7: 2,974,454 km (0.061 R)
• M8: 4,062,779 km (0.116 R)
• M9: 4,644,715 km (0.109 R)
• M10: 5,231,886 km (0.1 R)
• M11: 5,691,152 km (0.099 R)
• M12: 6,478,037 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 12.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.78 AU - 0.96 AU

Year: 516 Days

Day: 8.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,535,591 km

• M1: 152,291 km (0.079 R)
• M2: 628,012 km (0.104 R)
• M3: 1,272,479 km (0.102 R)
• M4: 1,920,089 km (0.035 R)
• M5: 2,511,449 km (0.086 R)
• M6: 2,971,313 km (0.072 R)
• M7: 3,539,486 km (0.104 R)
• M8: 4,033,757 km (0.049 R)
• M9: 4,511,722 km (0.111 R)
• M10: 4,960,815 km (0.115 R)
• M11: 5,837,459 km (0.065 R)
• M12: 6,352,225 km (0.029 R)
• M13: 6,876,565 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 9.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.73 AU - 1.11 AU

Year: 561 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,535,591 km

• M1: 114,442 km (0.097 R)
• M2: 415,583 km (0.079 R)
• M3: 754,422 km (0.077 R)
• M4: 1,050,476 km (0.085 R)
• M5: 1,738,178 km (0.072 R)
• M6: 2,132,069 km (0.101 R)
• M7: 2,453,555 km (0.06 R)
• M8: 2,985,674 km (0.105 R)
• M9: 3,402,604 km (0.084 R)
• M10: 4,488,086 km (0.097 R)
• M11: 5,020,505 km (0.085 R)
• M12: 5,542,152 km (0.091 R)
• M13: 6,062,454 km (0.06 R)
• M14: 6,420,741 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 12.1

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.78 AU - 7.12 AU

Year: 9228 Days

Day: 11.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,535,591 km

• M1: 150,495 km (0.117 R)
• M2: 666,459 km (0.098 R)
• M3: 1,188,555 km (0.115 R)
• M4: 1,616,255 km (0.047 R)
• M5: 2,794,189 km (0.074 R)
• M6: 3,186,883 km (0.116 R)
• M7: 4,564,829 km (0.081 R)
• M8: 5,273,475 km (0.108 R)
• M9: 6,603,998 km (0.055 R)
• M10: 7,307,557 km (0.077 R)
• M11: 8,017,099 km (0.118 R)
• M12: 11,054,086 km (0.088 R)
• M13: 12,160,213 km (0.109 R)
• M14: 12,977,466 km (0.109 R)
• M15: 14,335,366 km (0.092 R)
• M16: 14,721,627 km (0.117 R)
• M17: 15,114,770 km (0.081 R)
• M18: 15,650,032 km (0.109 R)
• M19: 16,829,312 km (0.067 R)
• M20: 17,259,406 km (0.111 R)
• M21: 21,719,666 km (0.07 R)
• M22: 23,451,411 km (0.102 R)
• M23: 24,901,613 km (0.113 R)
• M24: 29,403,461 km (0.064 R)
• M25: 31,845,946 km (0.105 R)
• M26: 33,397,276 km (0.08 R)
• M27: 36,649,982 km (0.104 R)
• M28: 39,223,963 km (0.045 R)
• M29: 43,374,706 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.5

Radius: 4.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 9.57 AU - 13.35 AU

Year: 24667 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,535,591 km

• M1: 51,013 km (0.075 R)
• M2: 336,296 km (0.098 R)
• M3: 531,521 km (0.08 R)
• M4: 727,345 km (0.088 R)
• M5: 1,701,077 km (0.061 R)
• M6: 2,048,144 km (0.084 R)
• M7: 2,477,191 km (0.106 R)
• M8: 4,307,072 km (0.112 R)
• M9: 4,551,066 km (0.065 R)
• M10: 4,775,463 km (0.079 R)
• M11: 5,400,034 km (0.101 R)
• M12: 6,488,808 km (0.067 R)
• M13: 6,809,545 km (0.119 R)
• M14: 8,915,734 km (0.06 R)
• M15: 10,092,321 km (0.11 R)
• M16: 10,282,011 km (0.034 R)
• M17: 13,307,927 km (0.114 R)
• M18: 13,536,064 km (0.081 R)
• M19: 21,897,239 km (0.114 R)
• M20: 25,218,910 km (0.062 R)
• M21: 30,608,622 km (0.096 R)
• M22: 31,306,945 km (0.102 R)
• M23: 37,505,832 km (0.051 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 12,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit