🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 13.7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.6 AU - 0.86 AU

Year: 409 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,339,267 km

• M1: 170,392 km (0.03 R)
• M2: 612,005 km (0.088 R)
• M3: 1,121,236 km (0.094 R)
• M4: 1,578,557 km (0.09 R)
• M5: 2,314,279 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 13.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.75 AU - 1.05 AU

Year: 560 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,339,267 km

• M1: 167,849 km (0.091 R)
• M2: 629,807 km (0.116 R)
• M3: 1,629,270 km (0.119 R)
• M4: 2,081,804 km (0.06 R)
• M5: 2,523,417 km (0.117 R)
• M6: 3,286,516 km (0.047 R)
• M7: 5,914,651 km (0.045 R)
• M8: 7,068,948 km (0.119 R)
• M9: 7,597,926 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.3

Radius: 13.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.69 AU - 1.13 AU

Year: 569 Days

Day: 8.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,339,267 km

• M1: 165,455 km (0.071 R)
• M2: 766,240 km (0.086 R)
• M3: 1,282,652 km (0.091 R)
• M4: 1,723,816 km (0.115 R)
• M5: 2,285,257 km (0.115 R)
• M6: 2,987,918 km (0.11 R)
• M7: 3,904,804 km (0.112 R)
• M8: 4,369,006 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 13.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.44 AU - 1.76 AU

Year: 1328 Days

Day: 15 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,339,267 km

• M1: 165,455 km (0.109 R)
• M2: 972,087 km (0.118 R)
• M3: 1,554,771 km (0.089 R)
• M4: 2,590,437 km (0.071 R)
• M5: 3,107,746 km (0.081 R)
• M6: 4,880,331 km (0.057 R)
• M7: 6,832,733 km (0.062 R)
• M8: 7,594,336 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 13.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.38 AU - 3.58 AU

Year: 4259 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,339,267 km

• M1: 169,046 km (0.12 R)
• M2: 706,252 km (0.081 R)
• M3: 1,214,884 km (0.093 R)
• M4: 1,971,850 km (0.086 R)
• M5: 2,699,045 km (0.076 R)
• M6: 3,479,048 km (0.094 R)
• M7: 4,381,722 km (0.075 R)
• M8: 5,408,113 km (0.05 R)
• M9: 6,405,930 km (0.06 R)
• M10: 8,289,517 km (0.119 R)
• M11: 9,030,775 km (0.058 R)
• M12: 10,645,983 km (0.1 R)
• M13: 11,703,341 km (0.063 R)
• M14: 12,210,777 km (0.077 R)
• M15: 13,822,095 km (0.069 R)
• M16: 14,337,310 km (0.065 R)
• M17: 15,960,298 km (0.093 R)
• M18: 16,991,177 km (0.105 R)
• M19: 18,372,414 km (0.113 R)
• M20: 18,869,976 km (0.068 R)
• M21: 19,827,253 km (0.041 R)
• M22: 20,682,803 km (0.059 R)
• M23: 21,700,518 km (0.12 R)
• M24: 22,538,415 km (0.078 R)
• M25: 23,470,410 km (0.07 R)
• M26: 24,353,337 km (0.072 R)
• M27: 25,182,109 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 9.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.23 AU - 4.31 AU

Year: 4802 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,339,267 km

• M1: 115,639 km (0.097 R)
• M2: 544,237 km (0.097 R)
• M3: 885,919 km (0.035 R)
• M4: 1,717,533 km (0.091 R)
• M5: 2,482,876 km (0.114 R)
• M6: 2,868,838 km (0.075 R)
• M7: 3,397,218 km (0.119 R)
• M8: 3,806,967 km (0.097 R)
• M9: 4,964,106 km (0.119 R)
• M10: 6,829,292 km (0.106 R)
• M11: 7,378,017 km (0.063 R)
• M12: 8,563,581 km (0.034 R)
• M13: 9,120,384 km (0.102 R)
• M14: 10,394,808 km (0.072 R)
• M15: 11,736,103 km (0.094 R)
• M16: 12,423,206 km (0.073 R)
• M17: 12,879,030 km (0.101 R)
• M18: 14,149,266 km (0.043 R)
• M19: 14,590,580 km (0.12 R)
• M20: 18,721,725 km (0.043 R)
• M21: 20,002,133 km (0.073 R)
• M22: 20,418,314 km (0.118 R)
• M23: 23,881,355 km (0.069 R)
• M24: 27,631,774 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 8.3

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.36 AU - 5.38 AU

Year: 7050 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,339,267 km

• M1: 104,569 km (0.064 R)
• M2: 489,035 km (0.102 R)
• M3: 1,033,422 km (0.1 R)
• M4: 1,417,290 km (0.115 R)
• M5: 1,683,574 km (0.042 R)
• M6: 2,029,445 km (0.114 R)
• M7: 2,768,757 km (0.099 R)
• M8: 3,607,403 km (0.07 R)
• M9: 4,160,915 km (0.11 R)
• M10: 7,930,183 km (0.099 R)
• M11: 10,054,473 km (0.119 R)
• M12: 13,072,460 km (0.119 R)
• M13: 15,451,515 km (0.098 R)
• M14: 18,173,299 km (0.118 R)
• M15: 19,360,508 km (0.093 R)
• M16: 21,580,540 km (0.117 R)
• M17: 22,356,654 km (0.084 R)
• M18: 26,431,401 km (0.119 R)
• M19: 30,586,182 km (0.08 R)
• M20: 34,627,569 km (0.112 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: 471 - 14,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit