🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.9

Radius: 9.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.73 AU - 0.85 AU

Year: 461 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,586,989 km

• M1: 123,119 km (0.04 R)
• M2: 467,045 km (0.047 R)
• M3: 1,124,677 km (0.094 R)
• M4: 1,464,713 km (0.082 R)
• M5: 1,978,133 km (0.119 R)
• M6: 3,059,875 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 12.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.76 AU - 1.12 AU

Year: 598 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,586,989 km

• M1: 161,865 km (0.098 R)
• M2: 569,369 km (0.117 R)
• M3: 1,197,980 km (0.05 R)
• M4: 1,879,398 km (0.106 R)
• M5: 2,427,375 km (0.093 R)
• M6: 2,893,821 km (0.055 R)
• M7: 3,493,260 km (0.091 R)
• M8: 4,132,940 km (0.091 R)
• M9: 4,577,096 km (0.106 R)
• M10: 5,021,402 km (0.057 R)
• M11: 5,596,307 km (0.075 R)
• M12: 6,069,485 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 12.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.02 AU - 2.9 AU

Year: 2531 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,586,989 km

• M1: 150,495 km (0.08 R)
• M2: 678,875 km (0.063 R)
• M3: 1,116,000 km (0.062 R)
• M4: 1,514,978 km (0.1 R)
• M5: 1,988,754 km (0.096 R)
• M6: 2,482,277 km (0.093 R)
• M7: 3,012,004 km (0.098 R)
• M8: 3,515,999 km (0.077 R)
• M9: 4,057,393 km (0.093 R)
• M10: 4,593,851 km (0.118 R)
• M11: 5,026,937 km (0.045 R)
• M12: 5,904,179 km (0.102 R)
• M13: 6,292,386 km (0.108 R)
• M14: 6,907,083 km (0.114 R)
• M15: 7,645,947 km (0.11 R)
• M16: 8,316,445 km (0.111 R)
• M17: 9,542,549 km (0.115 R)
• M18: 10,529,745 km (0.103 R)
• M19: 11,212,809 km (0.117 R)
• M20: 11,696,908 km (0.095 R)
• M21: 12,194,919 km (0.104 R)
• M22: 14,591,926 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 14.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.73 AU - 3.83 AU

Year: 3897 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,586,989 km

• M1: 185,352 km (0.094 R)
• M2: 810,671 km (0.099 R)
• M3: 1,503,758 km (0.111 R)
• M4: 3,374,479 km (0.064 R)
• M5: 4,079,384 km (0.06 R)
• M6: 4,956,776 km (0.102 R)
• M7: 7,383,702 km (0.105 R)
• M8: 8,357,584 km (0.092 R)
• M9: 8,875,941 km (0.094 R)
• M10: 11,752,558 km (0.118 R)
• M11: 12,643,264 km (0.079 R)
• M12: 15,040,121 km (0.116 R)
• M13: 15,531,700 km (0.087 R)
• M14: 17,486,046 km (0.047 R)
• M15: 18,029,835 km (0.032 R)
• M16: 19,087,791 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 13

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.62 AU - 5.22 AU

Year: 6096 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,586,989 km

• M1: 170,242 km (0.026 R)
• M2: 614,847 km (0.115 R)
• M3: 1,066,633 km (0.109 R)
• M4: 2,122,943 km (0.111 R)
• M5: 2,937,205 km (0.114 R)
• M6: 8,160,564 km (0.113 R)
• M7: 9,044,687 km (0.054 R)
• M8: 11,773,502 km (0.088 R)
• M9: 14,300,808 km (0.079 R)
• M10: 16,066,213 km (0.091 R)
• M11: 17,113,996 km (0.099 R)
• M12: 20,786,774 km (0.048 R)
• M13: 22,636,701 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 13.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.85 AU - 5.33 AU

Year: 6451 Days

Day: 5 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,586,989 km

• M1: 169,195 km (0.069 R)
• M2: 613,950 km (0.061 R)
• M3: 1,193,941 km (0.11 R)
• M4: 1,639,144 km (0.109 R)
• M5: 2,592,382 km (0.101 R)
• M6: 3,727,979 km (0.091 R)
• M7: 4,524,288 km (0.058 R)
• M8: 5,116,247 km (0.12 R)
• M9: 5,608,574 km (0.051 R)
• M10: 7,606,154 km (0.101 R)
• M11: 11,387,540 km (0.089 R)
• M12: 14,608,382 km (0.109 R)
• M13: 16,770,819 km (0.111 R)
• M14: 18,662,185 km (0.1 R)
• M15: 19,905,343 km (0.113 R)
• M16: 20,619,523 km (0.106 R)
• M17: 22,023,499 km (0.098 R)
• M18: 25,021,291 km (0.111 R)
• M19: 26,962,473 km (0.097 R)
• M20: 29,827,571 km (0.083 R)
• M21: 31,333,723 km (0.1 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: 352 - 11,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit