🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 11.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.76 AU - 1.04 AU

Year: 589 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,979,840 km

• M1: 144,212 km (0.119 R)
• M2: 510,877 km (0.084 R)
• M3: 941,569 km (0.119 R)
• M4: 1,321,697 km (0.12 R)
• M5: 1,799,363 km (0.073 R)
• M6: 2,704,131 km (0.113 R)
• M7: 3,098,920 km (0.1 R)
• M8: 4,019,246 km (0.118 R)
• M9: 5,190,597 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 13.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.05 AU - 1.35 AU

Year: 907 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,979,840 km

• M1: 162,912 km (0.074 R)
• M2: 676,332 km (0.104 R)
• M3: 1,207,404 km (0.048 R)
• M4: 1,674,599 km (0.05 R)
• M5: 2,242,622 km (0.111 R)
• M6: 2,797,630 km (0.102 R)
• M7: 3,575,389 km (0.115 R)
• M8: 4,270,720 km (0.057 R)
• M9: 4,795,360 km (0.062 R)
• M10: 5,226,351 km (0.052 R)
• M11: 6,475,045 km (0.071 R)
• M12: 7,169,777 km (0.03 R)
• M13: 7,610,044 km (0.112 R)
• M14: 8,790,820 km (0.111 R)
• M15: 9,382,180 km (0.117 R)
• M16: 9,880,042 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 13.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.45 AU - 1.79 AU

Year: 1423 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,979,840 km

• M1: 164,857 km (0.035 R)
• M2: 634,145 km (0.093 R)
• M3: 1,298,061 km (0.112 R)
• M4: 1,741,170 km (0.086 R)
• M5: 2,332,530 km (0.077 R)
• M6: 2,747,365 km (0.114 R)
• M7: 3,168,782 km (0.098 R)
• M8: 3,618,025 km (0.046 R)
• M9: 4,893,346 km (0.117 R)
• M10: 5,774,029 km (0.101 R)
• M11: 6,310,188 km (0.12 R)
• M12: 7,026,911 km (0.112 R)
• M13: 7,904,153 km (0.117 R)
• M14: 9,235,574 km (0.071 R)
• M15: 9,752,435 km (0.083 R)
• M16: 10,711,656 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.4

Radius: 10.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.63 AU - 3.69 AU

Year: 3877 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,979,840 km

• M1: 125,662 km (0.074 R)
• M2: 530,025 km (0.049 R)
• M3: 900,729 km (0.07 R)
• M4: 2,123,243 km (0.095 R)
• M5: 2,943,936 km (0.113 R)
• M6: 3,613,387 km (0.079 R)
• M7: 3,963,296 km (0.053 R)
• M8: 5,202,715 km (0.104 R)
• M9: 5,704,765 km (0.047 R)
• M10: 8,571,210 km (0.043 R)
• M11: 14,462,374 km (0.067 R)
• M12: 15,617,270 km (0.057 R)
• M13: 18,894,061 km (0.109 R)
• M14: 19,763,973 km (0.116 R)
• M15: 21,052,759 km (0.06 R)
• M16: 23,583,356 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.1

Radius: 4.4

Gravity: 32.91 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.61 AU - 9.35 AU

Year: 14121 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,979,840 km

• M1: 178,171 km (0.074 R)
• M2: 1,911,262 km (0.116 R)
• M3: 3,157,413 km (0.114 R)
• M4: 3,680,856 km (0.063 R)
• M5: 4,413,736 km (0.066 R)
• M6: 4,571,262 km (0.096 R)
• M7: 4,964,854 km (0.077 R)
• M8: 6,850,386 km (0.095 R)
• M9: 9,631,560 km (0.064 R)
• M10: 10,387,328 km (0.116 R)
• M11: 10,893,567 km (0.099 R)
• M12: 13,874,455 km (0.096 R)
• M13: 17,357,243 km (0.1 R)
• M14: 19,467,021 km (0.115 R)
• M15: 21,470,735 km (0.105 R)
• M16: 23,703,783 km (0.067 R)
• M17: 24,777,147 km (0.093 R)
• M18: 25,679,073 km (0.111 R)
• M19: 29,953,533 km (0.066 R)
• M20: 34,678,731 km (0.109 R)
• M21: 36,958,004 km (0.112 R)
• M22: 43,232,887 km (0.063 R)
• M23: 54,419,965 km (0.083 R)
• M24: 57,838,127 km (0.059 R)
• M25: 58,012,708 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.1

Radius: 3.8

Gravity: 24.52 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.33 AU - 8.73 AU

Year: 15707 Days

Day: 21.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,979,840 km

• M1: 53,406 km (0.117 R)
• M2: 335,249 km (0.115 R)
• M3: 585,227 km (0.101 R)
• M4: 949,498 km (0.062 R)
• M5: 1,175,091 km (0.075 R)
• M6: 2,198,341 km (0.081 R)
• M7: 2,551,840 km (0.116 R)
• M8: 3,894,781 km (0.056 R)
• M9: 5,612,912 km (0.063 R)
• M10: 9,614,206 km (0.074 R)
• M11: 11,951,224 km (0.092 R)
• M12: 14,375,159 km (0.033 R)
• M13: 16,089,999 km (0.119 R)
• M14: 16,666,400 km (0.08 R)
• M15: 16,959,611 km (0.108 R)
• M16: 18,871,173 km (0.108 R)
• M17: 21,434,682 km (0.094 R)
• M18: 27,340,806 km (0.113 R)
• M19: 38,796,413 km (0.106 R)
• M20: 45,279,685 km (0.117 R)
• M21: 49,526,769 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 11,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit