🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875

Radius: 14.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.95 AU - 1.05 AU

Year: 690 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,478,871 km

• M1: 180,565 km (0.099 R)
• M2: 890,706 km (0.074 R)
• M3: 1,371,663 km (0.118 R)
• M4: 1,896,303 km (0.115 R)
• M5: 2,644,442 km (0.068 R)
• M6: 3,446,585 km (0.103 R)
• M7: 4,263,390 km (0.052 R)
• M8: 5,188,204 km (0.097 R)
• M9: 6,575,574 km (0.112 R)
• M10: 7,096,773 km (0.058 R)
• M11: 8,027,123 km (0.104 R)
• M12: 8,496,860 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 10.3

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.52 AU - 1.68 AU

Year: 1397 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,478,871 km

• M1: 145,409 km (0.116 R)
• M2: 616,493 km (0.085 R)
• M3: 1,272,629 km (0.09 R)
• M4: 1,629,420 km (0.062 R)
• M5: 1,998,179 km (0.103 R)
• M6: 2,460,735 km (0.098 R)
• M7: 3,234,456 km (0.059 R)
• M8: 3,619,670 km (0.104 R)
• M9: 4,560,790 km (0.106 R)
• M10: 5,281,104 km (0.078 R)
• M11: 5,748,597 km (0.085 R)
• M12: 6,489,107 km (0.101 R)
• M13: 7,078,672 km (0.101 R)
• M14: 7,400,158 km (0.113 R)
• M15: 8,364,915 km (0.065 R)
• M16: 8,908,404 km (0.072 R)
• M17: 9,637,095 km (0.117 R)
• M18: 10,370,872 km (0.051 R)
• M19: 14,099,001 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 11.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.48 AU - 4.5 AU

Year: 5501 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,478,871 km

• M1: 145,559 km (0.06 R)
• M2: 555,906 km (0.055 R)
• M3: 955,182 km (0.091 R)
• M4: 2,892,624 km (0.077 R)
• M5: 3,730,672 km (0.099 R)
• M6: 4,330,110 km (0.079 R)
• M7: 4,724,002 km (0.102 R)
• M8: 8,705,100 km (0.114 R)
• M9: 11,375,272 km (0.115 R)
• M10: 12,440,409 km (0.088 R)
• M11: 12,957,120 km (0.081 R)
• M12: 13,654,246 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 9.4

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.95 AU - 4.31 AU

Year: 5793 Days

Day: 11.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,478,871 km

• M1: 117,434 km (0.115 R)
• M2: 435,928 km (0.116 R)
• M3: 1,034,020 km (0.085 R)
• M4: 1,560,904 km (0.109 R)
• M5: 1,879,697 km (0.081 R)
• M6: 2,874,523 km (0.085 R)
• M7: 5,004,198 km (0.063 R)
• M8: 6,341,753 km (0.119 R)
• M9: 9,618,844 km (0.076 R)
• M10: 13,993,834 km (0.113 R)
• M11: 16,738,057 km (0.109 R)
• M12: 18,035,968 km (0.113 R)
• M13: 23,503,321 km (0.093 R)
• M14: 24,388,193 km (0.106 R)
• M15: 26,139,086 km (0.11 R)
• M16: 26,914,602 km (0.095 R)
• M17: 28,874,633 km (0.061 R)
• M18: 29,889,505 km (0.079 R)
• M19: 30,832,570 km (0.113 R)
• M20: 32,977,055 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.1

Radius: 12.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.4 AU - 5.18 AU

Year: 7236 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,478,871 km

• M1: 188,793 km (0.118 R)
• M2: 624,122 km (0.098 R)
• M3: 1,048,681 km (0.059 R)
• M4: 1,526,497 km (0.111 R)
• M5: 2,358,111 km (0.103 R)
• M6: 4,021,191 km (0.1 R)
• M7: 5,157,835 km (0.099 R)
• M8: 6,730,109 km (0.097 R)
• M9: 10,224,416 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 11.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.18 AU - 6.54 AU

Year: 8566 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,478,871 km

• M1: 176,077 km (0.032 R)
• M2: 782,696 km (0.07 R)
• M3: 1,327,232 km (0.047 R)
• M4: 1,940,434 km (0.07 R)
• M5: 2,599,113 km (0.106 R)
• M6: 2,981,635 km (0.03 R)
• M7: 3,712,421 km (0.086 R)
• M8: 4,335,945 km (0.116 R)
• M9: 4,967,846 km (0.102 R)
• M10: 6,451,857 km (0.088 R)
• M11: 10,623,693 km (0.117 R)
• M12: 11,240,934 km (0.107 R)
• M13: 12,547,073 km (0.105 R)
• M14: 16,185,143 km (0.035 R)
• M15: 20,083,215 km (0.031 R)
• M16: 21,591,760 km (0.083 R)
• M17: 22,415,446 km (0.116 R)
• M18: 23,345,645 km (0.118 R)
• M19: 24,038,134 km (0.083 R)
• M20: 25,829,419 km (0.066 R)
• M21: 28,288,808 km (0.114 R)
• M22: 30,488,644 km (0.026 R)
• M23: 30,900,637 km (0.107 R)
• M24: 39,450,604 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 14,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit