🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 10.1

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 14.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,911,908 km

• M1: 125,662 km (0.109 R)
• M2: 476,469 km (0.087 R)
• M3: 815,458 km (0.077 R)
• M4: 1,160,131 km (0.109 R)
• M5: 1,549,236 km (0.097 R)
• M6: 2,047,546 km (0.071 R)
• M7: 2,470,310 km (0.087 R)
• M8: 3,046,561 km (0.116 R)
• M9: 3,367,149 km (0.107 R)
• M10: 3,913,779 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.7

Radius: 11.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.69 AU - 0.73 AU

Year: 399 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,911,908 km

• M1: 145,858 km (0.057 R)
• M2: 530,923 km (0.103 R)
• M3: 1,383,930 km (0.062 R)
• M4: 1,942,229 km (0.055 R)
• M5: 2,326,097 km (0.085 R)
• M6: 3,654,826 km (0.09 R)
• M7: 4,156,577 km (0.071 R)
• M8: 4,732,080 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 14.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.07 AU - 1.15 AU

Year: 780 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,911,908 km

• M1: 183,856 km (0.088 R)
• M2: 663,915 km (0.113 R)
• M3: 1,130,212 km (0.115 R)
• M4: 1,866,533 km (0.111 R)
• M5: 2,346,592 km (0.091 R)
• M6: 3,191,671 km (0.108 R)
• M7: 3,773,756 km (0.041 R)
• M8: 5,045,039 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 10.1

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.5 AU - 5.82 AU

Year: 6708 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,911,908 km

• M1: 125,662 km (0.077 R)
• M2: 555,307 km (0.081 R)
• M3: 969,544 km (0.099 R)
• M4: 1,473,988 km (0.103 R)
• M5: 2,147,777 km (0.1 R)
• M6: 3,270,509 km (0.116 R)
• M7: 3,633,882 km (0.104 R)
• M8: 4,415,680 km (0.087 R)
• M9: 5,006,293 km (0.111 R)
• M10: 5,940,531 km (0.068 R)
• M11: 7,210,318 km (0.093 R)
• M12: 7,593,289 km (0.116 R)
• M13: 8,193,027 km (0.064 R)
• M14: 9,487,347 km (0.07 R)
• M15: 10,041,458 km (0.114 R)
• M16: 10,471,103 km (0.102 R)
• M17: 12,099,177 km (0.117 R)
• M18: 15,595,578 km (0.119 R)
• M19: 18,128,420 km (0.037 R)
• M20: 20,237,301 km (0.072 R)
• M21: 20,846,613 km (0.102 R)
• M22: 32,336,777 km (0.062 R)
• M23: 33,485,838 km (0.068 R)
• M24: 33,910,247 km (0.064 R)
• M25: 34,878,594 km (0.083 R)
• M26: 36,645,345 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 12.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.83 AU - 4.83 AU

Year: 7079 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,911,908 km

• M1: 150,645 km (0.05 R)
• M2: 854,952 km (0.083 R)
• M3: 1,719,328 km (0.084 R)
• M4: 2,182,783 km (0.109 R)
• M5: 3,683,997 km (0.101 R)
• M6: 4,119,776 km (0.101 R)
• M7: 5,303,693 km (0.106 R)
• M8: 7,238,592 km (0.115 R)
• M9: 8,333,499 km (0.105 R)
• M10: 8,887,460 km (0.097 R)
• M11: 9,711,445 km (0.077 R)
• M12: 11,042,118 km (0.085 R)
• M13: 12,490,674 km (0.059 R)
• M14: 13,436,282 km (0.061 R)
• M15: 15,228,914 km (0.082 R)
• M16: 15,909,734 km (0.051 R)
• M17: 17,700,869 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 5.8

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.58 AU - 9.18 AU

Year: 14751 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,911,908 km

• M1: 72,106 km (0.112 R)
• M2: 291,566 km (0.102 R)
• M3: 674,088 km (0.116 R)
• M4: 1,555,519 km (0.072 R)
• M5: 2,095,118 km (0.117 R)
• M6: 3,036,687 km (0.096 R)
• M7: 4,733,576 km (0.115 R)
• M8: 7,719,998 km (0.051 R)
• M9: 9,069,371 km (0.114 R)
• M10: 10,308,191 km (0.099 R)
• M11: 13,361,334 km (0.102 R)
• M12: 14,564,849 km (0.107 R)
• M13: 16,896,032 km (0.065 R)
• M14: 18,074,564 km (0.059 R)
• M15: 18,453,795 km (0.079 R)
• M16: 22,282,304 km (0.094 R)
• M17: 28,099,118 km (0.105 R)
• M18: 28,608,050 km (0.071 R)
• M19: 30,065,881 km (0.115 R)
• M20: 31,028,693 km (0.115 R)
• M21: 31,791,642 km (0.093 R)
• M22: 36,153,168 km (0.044 R)
• M23: 41,814,101 km (0.076 R)
• M24: 43,147,616 km (0.067 R)
• M25: 43,417,640 km (0.03 R)
• M26: 45,479,099 km (0.118 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: 523 - 13,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit