🌌 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: 441

Radius: 9.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.72 AU - 1.08 AU

Year: 579 Days

Day: 12.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,847,481 km

• M1: 119,230 km (0.039 R)
• M2: 425,905 km (0.12 R)
• M3: 725,250 km (0.035 R)
• M4: 1,038,359 km (0.08 R)
• M5: 1,340,995 km (0.107 R)
• M6: 1,681,480 km (0.096 R)
• M7: 2,020,469 km (0.104 R)
• M8: 2,550,943 km (0.087 R)
• M9: 4,387,855 km (0.114 R)
• M10: 5,214,084 km (0.071 R)
• M11: 5,908,069 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 12.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.85 AU - 2.45 AU

Year: 2138 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,847,481 km

• M1: 151,692 km (0.119 R)
• M2: 612,454 km (0.082 R)
• M3: 992,881 km (0.094 R)
• M4: 1,605,335 km (0.079 R)
• M5: 2,061,459 km (0.107 R)
• M6: 2,551,242 km (0.118 R)
• M7: 3,179,254 km (0.117 R)
• M8: 3,647,944 km (0.117 R)
• M9: 4,088,959 km (0.071 R)
• M10: 5,472,440 km (0.098 R)
• M11: 6,907,831 km (0.106 R)
• M12: 7,447,281 km (0.118 R)
• M13: 9,527,888 km (0.1 R)
• M14: 11,005,915 km (0.111 R)
• M15: 11,555,837 km (0.088 R)
• M16: 14,892,917 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.7

Radius: 12.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.71 AU - 4.01 AU

Year: 5144 Days

Day: 7.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,847,481 km

• M1: 155,432 km (0.087 R)
• M2: 585,526 km (0.107 R)
• M3: 991,235 km (0.055 R)
• M4: 1,607,130 km (0.088 R)
• M5: 2,319,964 km (0.032 R)
• M6: 3,844,665 km (0.063 R)
• M7: 4,402,067 km (0.077 R)
• M8: 5,153,048 km (0.067 R)
• M9: 5,894,156 km (0.096 R)
• M10: 6,738,935 km (0.069 R)
• M11: 7,406,291 km (0.108 R)
• M12: 8,155,777 km (0.061 R)
• M13: 8,914,088 km (0.1 R)
• M14: 9,588,625 km (0.101 R)
• M15: 10,945,029 km (0.052 R)
• M16: 11,968,129 km (0.109 R)
• M17: 17,342,582 km (0.032 R)
• M18: 19,768,760 km (0.109 R)
• M19: 20,265,575 km (0.107 R)
• M20: 20,916,625 km (0.109 R)
• M21: 23,660,998 km (0.071 R)
• M22: 24,872,441 km (0.095 R)
• M23: 25,871,007 km (0.106 R)
• M24: 26,380,238 km (0.078 R)
• M25: 28,036,885 km (0.064 R)
• M26: 28,845,461 km (0.077 R)
• M27: 33,623,318 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 9.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.52 AU - 5.78 AU

Year: 6801 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,847,481 km

• M1: 121,174 km (0.086 R)
• M2: 440,566 km (0.097 R)
• M3: 927,507 km (0.049 R)
• M4: 3,900,764 km (0.093 R)
• M5: 4,317,843 km (0.045 R)
• M6: 4,913,841 km (0.071 R)
• M7: 7,527,166 km (0.068 R)
• M8: 8,175,524 km (0.104 R)
• M9: 10,724,372 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.1

Radius: 7.9

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.13 AU - 6.69 AU

Year: 9745 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,847,481 km

• M1: 108,159 km (0.115 R)
• M2: 581,786 km (0.072 R)
• M3: 959,670 km (0.104 R)
• M4: 3,178,656 km (0.102 R)
• M5: 3,939,361 km (0.081 R)
• M6: 4,847,121 km (0.118 R)
• M7: 5,135,246 km (0.083 R)
• M8: 8,915,435 km (0.12 R)
• M9: 10,154,404 km (0.06 R)
• M10: 10,521,069 km (0.104 R)
• M11: 11,114,972 km (0.111 R)
• M12: 11,617,322 km (0.113 R)
• M13: 14,294,077 km (0.069 R)
• M14: 16,553,304 km (0.098 R)
• M15: 17,061,488 km (0.063 R)
• M16: 17,805,288 km (0.115 R)
• M17: 19,840,567 km (0.031 R)
• M18: 21,252,173 km (0.037 R)
• M19: 21,593,854 km (0.044 R)
• M20: 26,670,907 km (0.059 R)
• M21: 30,609,220 km (0.108 R)
• M22: 31,045,149 km (0.079 R)
• M23: 32,603,360 km (0.114 R)
• M24: 38,720,866 km (0.095 R)
• M25: 41,050,553 km (0.11 R)
• M26: 41,713,870 km (0.112 R)
• M27: 44,578,370 km (0.104 R)
• M28: 45,279,087 km (0.12 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: 213 - 14,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit