🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 13.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.45 AU - 0.65 AU

Year: 287 Days

Day: 9.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,983,267 km

• M1: 165,455 km (0.09 R)
• M2: 666,309 km (0.059 R)
• M3: 1,441,076 km (0.047 R)
• M4: 2,531,495 km (0.086 R)
• M5: 2,984,029 km (0.105 R)
• M6: 3,997,106 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 9.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.04 AU - 1.06 AU

Year: 756 Days

Day: 5.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,983,267 km

• M1: 113,246 km (0.085 R)
• M2: 423,811 km (0.105 R)
• M3: 730,038 km (0.102 R)
• M4: 1,090,568 km (0.067 R)
• M5: 1,374,356 km (0.097 R)
• M6: 1,683,275 km (0.113 R)
• M7: 2,255,487 km (0.065 R)
• M8: 2,610,184 km (0.096 R)
• M9: 3,039,380 km (0.062 R)
• M10: 3,432,523 km (0.07 R)
• M11: 3,919,015 km (0.102 R)
• M12: 4,257,705 km (0.041 R)
• M13: 4,632,747 km (0.056 R)
• M14: 5,029,929 km (0.119 R)
• M15: 5,449,551 km (0.107 R)
• M16: 6,092,373 km (0.11 R)
• M17: 6,527,105 km (0.07 R)
• M18: 7,343,610 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 12.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.93 AU - 1.45 AU

Year: 912 Days

Day: 7.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,983,267 km

• M1: 156,779 km (0.032 R)
• M2: 592,707 km (0.093 R)
• M3: 1,995,187 km (0.084 R)
• M4: 2,720,587 km (0.062 R)
• M5: 3,944,148 km (0.118 R)
• M6: 4,375,289 km (0.056 R)
• M7: 5,108,917 km (0.106 R)
• M8: 5,923,028 km (0.119 R)
• M9: 6,426,126 km (0.061 R)
• M10: 6,844,402 km (0.038 R)
• M11: 7,494,105 km (0.045 R)
• M12: 7,933,325 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 11.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.2 AU - 1.8 AU

Year: 1291 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,983,267 km

• M1: 148,401 km (0.109 R)
• M2: 519,254 km (0.084 R)
• M3: 1,596,658 km (0.092 R)
• M4: 2,592,830 km (0.111 R)
• M5: 3,743,388 km (0.102 R)
• M6: 4,450,387 km (0.119 R)
• M7: 5,028,583 km (0.062 R)
• M8: 5,617,998 km (0.117 R)
• M9: 7,136,417 km (0.069 R)
• M10: 7,833,992 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 11.1

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.52 AU - 4.74 AU

Year: 5900 Days

Day: 5.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,983,267 km

• M1: 138,827 km (0.118 R)
• M2: 516,561 km (0.098 R)
• M3: 871,108 km (0.084 R)
• M4: 1,339,649 km (0.107 R)
• M5: 1,944,623 km (0.093 R)
• M6: 2,449,516 km (0.119 R)
• M7: 2,919,402 km (0.116 R)
• M8: 4,376,037 km (0.029 R)
• M9: 5,431,151 km (0.069 R)
• M10: 5,839,702 km (0.071 R)
• M11: 6,201,430 km (0.057 R)
• M12: 6,648,279 km (0.108 R)
• M13: 7,265,071 km (0.063 R)
• M14: 8,910,049 km (0.061 R)
• M15: 10,741,875 km (0.043 R)
• M16: 14,590,280 km (0.106 R)
• M17: 16,987,437 km (0.12 R)
• M18: 17,388,658 km (0.111 R)
• M19: 18,630,171 km (0.069 R)
• M20: 21,755,869 km (0.055 R)
• M21: 22,388,518 km (0.071 R)
• M22: 25,128,852 km (0.083 R)
• M23: 28,835,588 km (0.101 R)
• M24: 29,311,309 km (0.093 R)
• M25: 29,792,117 km (0.104 R)
• M26: 34,253,574 km (0.09 R)
• M27: 35,002,162 km (0.063 R)
• M28: 36,310,844 km (0.111 R)
• M29: 37,764,935 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 14.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.32 AU - 5.1 AU

Year: 7185 Days

Day: 7.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,983,267 km

• M1: 185,202 km (0.053 R)
• M2: 813,962 km (0.114 R)
• M3: 1,941,631 km (0.082 R)
• M4: 3,489,819 km (0.059 R)
• M5: 4,236,013 km (0.094 R)
• M6: 5,066,281 km (0.05 R)
• M7: 6,452,156 km (0.063 R)
• M8: 7,129,535 km (0.092 R)
• M9: 7,716,258 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 6

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.14 AU - 8.38 AU

Year: 16687 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,983,267 km

• M1: 75,547 km (0.048 R)
• M2: 291,267 km (0.11 R)
• M3: 507,286 km (0.08 R)
• M4: 708,496 km (0.104 R)
• M5: 1,204,113 km (0.108 R)
• M6: 1,513,182 km (0.057 R)
• M7: 1,726,210 km (0.097 R)
• M8: 2,120,550 km (0.105 R)
• M9: 3,722,145 km (0.114 R)
• M10: 4,142,664 km (0.09 R)
• M11: 4,501,400 km (0.103 R)
• M12: 5,111,610 km (0.067 R)
• M13: 5,349,769 km (0.113 R)
• M14: 5,885,330 km (0.062 R)
• M15: 6,856,220 km (0.117 R)
• M16: 8,295,651 km (0.084 R)
• M17: 8,768,829 km (0.099 R)
• M18: 10,404,682 km (0.081 R)
• M19: 11,123,948 km (0.059 R)
• M20: 11,994,308 km (0.097 R)
• M21: 12,354,839 km (0.115 R)
• M22: 13,224,302 km (0.08 R)
• M23: 14,946,024 km (0.051 R)
• M24: 15,153,965 km (0.1 R)
• M25: 15,860,665 km (0.078 R)
• M26: 17,112,201 km (0.087 R)
• M27: 23,893,922 km (0.106 R)
• M28: 24,947,390 km (0.085 R)
• M29: 35,121,541 km (0.089 R)
• M30: 39,571,629 km (0.12 R)
• M31: 41,588,806 km (0.056 R)
• M32: 42,831,366 km (0.102 R)
• M33: 48,200,284 km (0.038 R)
• M34: 50,498,856 km (0.116 R)
• M35: 51,912,556 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit