🌌 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: 207.5

Radius: 11.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.6 AU - 0.86 AU

Year: 423 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,930,741 km

• M1: 148,401 km (0.103 R)
• M2: 811,868 km (0.119 R)
• M3: 1,569,132 km (0.116 R)
• M4: 2,432,910 km (0.06 R)
• M5: 2,807,802 km (0.102 R)
• M6: 3,281,280 km (0.073 R)
• M7: 3,665,597 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 11.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.1 AU - 1.82 AU

Year: 1197 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,930,741 km

• M1: 146,905 km (0.098 R)
• M2: 553,811 km (0.093 R)
• M3: 1,118,992 km (0.111 R)
• M4: 1,969,007 km (0.091 R)
• M5: 4,231,525 km (0.102 R)
• M6: 6,420,292 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 9.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.29 AU - 1.71 AU

Year: 1246 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,930,741 km

• M1: 113,096 km (0.118 R)
• M2: 398,080 km (0.086 R)
• M3: 693,386 km (0.07 R)
• M4: 1,262,756 km (0.101 R)
• M5: 1,577,659 km (0.106 R)
• M6: 1,896,303 km (0.114 R)
• M7: 2,404,038 km (0.066 R)
• M8: 3,233,708 km (0.106 R)
• M9: 4,225,841 km (0.103 R)
• M10: 4,627,960 km (0.117 R)
• M11: 5,191,046 km (0.056 R)
• M12: 5,529,885 km (0.096 R)
• M13: 6,011,890 km (0.059 R)
• M14: 7,652,978 km (0.083 R)
• M15: 9,252,030 km (0.045 R)
• M16: 9,543,746 km (0.074 R)
• M17: 9,841,446 km (0.098 R)
• M18: 10,176,246 km (0.069 R)
• M19: 10,644,936 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 9.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.11 AU - 2.61 AU

Year: 2459 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,930,741 km

• M1: 114,442 km (0.106 R)
• M2: 479,162 km (0.113 R)
• M3: 874,699 km (0.114 R)
• M4: 1,306,139 km (0.109 R)
• M5: 1,644,679 km (0.064 R)
• M6: 2,466,270 km (0.033 R)
• M7: 3,461,096 km (0.041 R)
• M8: 4,386,060 km (0.058 R)
• M9: 6,382,743 km (0.109 R)
• M10: 6,840,063 km (0.105 R)
• M11: 7,190,870 km (0.107 R)
• M12: 7,793,301 km (0.108 R)
• M13: 8,259,897 km (0.096 R)
• M14: 9,898,592 km (0.09 R)
• M15: 10,446,120 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.1

Radius: 10.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.09 AU - 3.75 AU

Year: 4290 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,930,741 km

• M1: 135,536 km (0.114 R)
• M2: 602,879 km (0.113 R)
• M3: 974,481 km (0.114 R)
• M4: 1,482,365 km (0.102 R)
• M5: 2,264,313 km (0.06 R)
• M6: 3,459,152 km (0.107 R)
• M7: 4,184,252 km (0.108 R)
• M8: 5,792,878 km (0.083 R)
• M9: 8,794,260 km (0.104 R)
• M10: 9,854,311 km (0.114 R)
• M11: 10,997,388 km (0.104 R)
• M12: 11,669,532 km (0.086 R)
• M13: 12,753,069 km (0.105 R)
• M14: 14,265,653 km (0.038 R)
• M15: 14,741,973 km (0.103 R)
• M16: 15,670,527 km (0.093 R)
• M17: 18,627,927 km (0.098 R)
• M18: 19,974,158 km (0.079 R)
• M19: 21,110,803 km (0.108 R)
• M20: 25,934,137 km (0.066 R)
• M21: 26,326,981 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 12.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.38 AU - 4.76 AU

Year: 5569 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,930,741 km

• M1: 157,975 km (0.091 R)
• M2: 559,945 km (0.052 R)
• M3: 1,003,652 km (0.041 R)
• M4: 1,478,925 km (0.082 R)
• M5: 1,969,905 km (0.079 R)
• M6: 2,413,163 km (0.11 R)
• M7: 3,205,284 km (0.034 R)
• M8: 3,872,042 km (0.085 R)
• M9: 4,289,719 km (0.115 R)
• M10: 5,483,660 km (0.097 R)
• M11: 8,001,392 km (0.066 R)
• M12: 8,398,125 km (0.118 R)
• M13: 9,231,236 km (0.038 R)
• M14: 10,210,503 km (0.111 R)
• M15: 11,159,702 km (0.102 R)
• M16: 12,639,524 km (0.118 R)
• M17: 16,362,417 km (0.112 R)
• M18: 16,874,191 km (0.095 R)
• M19: 19,310,243 km (0.094 R)
• M20: 20,538,591 km (0.065 R)
• M21: 22,126,871 km (0.118 R)
• M22: 23,633,322 km (0.095 R)
• M23: 25,207,092 km (0.081 R)
• M24: 26,323,391 km (0.105 R)
• M25: 30,155,640 km (0.092 R)
• M26: 30,731,891 km (0.092 R)
• M27: 34,449,248 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 11,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit