🌌 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: 281.2

Radius: 13.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 9.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 11,191,353 km

• M1: 165,455 km (0.037 R)
• M2: 733,329 km (0.054 R)
• M3: 1,263,204 km (0.044 R)
• M4: 1,812,677 km (0.109 R)
• M5: 2,343,451 km (0.088 R)
• M6: 2,835,478 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 8.5

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 11.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,191,353 km

• M1: 105,766 km (0.052 R)
• M2: 371,152 km (0.044 R)
• M3: 694,733 km (0.077 R)
• M4: 994,377 km (0.081 R)
• M5: 1,363,585 km (0.118 R)
• M6: 1,688,960 km (0.068 R)
• M7: 1,957,039 km (0.107 R)
• M8: 2,409,124 km (0.08 R)
• M9: 2,741,680 km (0.092 R)
• M10: 3,104,904 km (0.11 R)
• M11: 3,534,250 km (0.105 R)
• M12: 3,854,389 km (0.048 R)
• M13: 4,458,017 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 11.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.7 AU - 0.74 AU

Year: 407 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,191,353 km

• M1: 139,874 km (0.108 R)
• M2: 504,145 km (0.11 R)
• M3: 1,070,074 km (0.062 R)
• M4: 1,544,149 km (0.107 R)
• M5: 2,079,560 km (0.105 R)
• M6: 2,725,972 km (0.119 R)
• M7: 3,262,879 km (0.05 R)
• M8: 4,579,490 km (0.104 R)
• M9: 5,292,324 km (0.06 R)
• M10: 5,865,733 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 12.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.66 AU - 0.8 AU

Year: 416 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,191,353 km

• M1: 154,834 km (0.095 R)
• M2: 563,834 km (0.103 R)
• M3: 994,975 km (0.094 R)
• M4: 1,430,604 km (0.061 R)
• M5: 1,859,801 km (0.053 R)
• M6: 2,297,674 km (0.102 R)
• M7: 2,794,787 km (0.099 R)
• M8: 3,397,068 km (0.111 R)
• M9: 3,932,629 km (0.083 R)
• M10: 4,374,092 km (0.112 R)
• M11: 5,009,584 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 10

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.56 AU - 1.84 AU

Year: 1478 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,191,353 km

• M1: 126,560 km (0.047 R)
• M2: 516,412 km (0.108 R)
• M3: 1,104,930 km (0.115 R)
• M4: 2,032,287 km (0.118 R)
• M5: 2,350,183 km (0.056 R)
• M6: 2,666,133 km (0.112 R)
• M7: 3,483,237 km (0.028 R)
• M8: 4,052,008 km (0.1 R)
• M9: 4,577,994 km (0.112 R)
• M10: 5,647,170 km (0.03 R)
• M11: 6,156,252 km (0.115 R)
• M12: 7,337,327 km (0.104 R)
• M13: 7,894,429 km (0.113 R)
• M14: 8,272,762 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 12.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.55 AU - 2.45 AU

Year: 1886 Days

Day: 12 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,191,353 km

• M1: 159,172 km (0.07 R)
• M2: 628,161 km (0.105 R)
• M3: 1,109,867 km (0.083 R)
• M4: 2,551,242 km (0.118 R)
• M5: 3,874,585 km (0.119 R)
• M6: 4,933,439 km (0.102 R)
• M7: 5,684,869 km (0.054 R)
• M8: 6,176,447 km (0.045 R)
• M9: 6,803,861 km (0.1 R)
• M10: 9,748,844 km (0.118 R)
• M11: 10,858,412 km (0.063 R)
• M12: 15,293,390 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.7

Radius: 11.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.7 AU - 2.5 AU

Year: 2029 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,191,353 km

• M1: 139,276 km (0.069 R)
• M2: 508,334 km (0.107 R)
• M3: 868,116 km (0.112 R)
• M4: 1,562,699 km (0.119 R)
• M5: 1,928,317 km (0.117 R)
• M6: 2,363,347 km (0.062 R)
• M7: 3,418,910 km (0.102 R)
• M8: 4,028,521 km (0.079 R)
• M9: 5,384,027 km (0.086 R)
• M10: 5,755,628 km (0.117 R)
• M11: 6,413,111 km (0.078 R)
• M12: 7,047,107 km (0.025 R)
• M13: 8,440,312 km (0.092 R)
• M14: 9,260,557 km (0.064 R)
• M15: 9,705,162 km (0.09 R)
• M16: 10,288,743 km (0.055 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: 239 - 17,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit