🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 8.9

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.95 AU - 0.99 AU

Year: 659 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,332,356 km

• M1: 110,702 km (0.105 R)
• M2: 406,158 km (0.105 R)
• M3: 885,619 km (0.078 R)
• M4: 1,274,125 km (0.097 R)
• M5: 1,766,152 km (0.062 R)
• M6: 2,094,669 km (0.073 R)
• M7: 2,411,518 km (0.043 R)
• M8: 3,205,882 km (0.114 R)
• M9: 4,195,173 km (0.119 R)
• M10: 4,768,881 km (0.084 R)
• M11: 5,393,751 km (0.092 R)
• M12: 5,916,745 km (0.095 R)
• M13: 6,351,028 km (0.089 R)
• M14: 7,129,386 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 13.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.01 AU - 1.55 AU

Year: 1000 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,332,356 km

• M1: 173,534 km (0.094 R)
• M2: 672,891 km (0.103 R)
• M3: 1,111,961 km (0.043 R)
• M4: 1,587,682 km (0.113 R)
• M5: 2,309,492 km (0.042 R)
• M6: 3,420,555 km (0.055 R)
• M7: 4,328,016 km (0.119 R)
• M8: 5,129,711 km (0.097 R)
• M9: 5,592,118 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 12.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.28 AU - 1.78 AU

Year: 1306 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,332,356 km

• M1: 151,692 km (0.074 R)
• M2: 651,200 km (0.107 R)
• M3: 1,143,975 km (0.102 R)
• M4: 1,651,860 km (0.08 R)
• M5: 2,110,976 km (0.092 R)
• M6: 2,981,934 km (0.106 R)
• M7: 3,365,503 km (0.097 R)
• M8: 3,961,651 km (0.103 R)
• M9: 4,517,556 km (0.096 R)
• M10: 4,929,549 km (0.097 R)
• M11: 5,346,329 km (0.105 R)
• M12: 6,411,166 km (0.117 R)
• M13: 7,204,783 km (0.098 R)
• M14: 7,743,186 km (0.103 R)
• M15: 8,253,315 km (0.044 R)
• M16: 8,728,587 km (0.101 R)
• M17: 9,311,271 km (0.103 R)
• M18: 9,734,333 km (0.081 R)
• M19: 11,351,786 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 13.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.16 AU - 3.88 AU

Year: 4559 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,332,356 km

• M1: 164,408 km (0.075 R)
• M2: 672,742 km (0.062 R)
• M3: 1,398,441 km (0.092 R)
• M4: 1,886,728 km (0.107 R)
• M5: 2,445,177 km (0.079 R)
• M6: 2,910,427 km (0.107 R)
• M7: 3,416,516 km (0.065 R)
• M8: 4,022,537 km (0.07 R)
• M9: 5,225,005 km (0.081 R)
• M10: 6,253,640 km (0.096 R)
• M11: 7,072,389 km (0.092 R)
• M12: 7,603,461 km (0.067 R)
• M13: 9,103,180 km (0.057 R)
• M14: 10,272,736 km (0.118 R)
• M15: 11,455,158 km (0.099 R)
• M16: 11,883,456 km (0.079 R)
• M17: 12,500,847 km (0.095 R)
• M18: 13,373,002 km (0.06 R)
• M19: 16,341,174 km (0.107 R)
• M20: 18,296,119 km (0.103 R)
• M21: 18,823,152 km (0.117 R)
• M22: 19,662,845 km (0.037 R)
• M23: 21,353,002 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 11.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.74 AU - 4.52 AU

Year: 4774 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,332,356 km

• M1: 139,276 km (0.09 R)
• M2: 513,869 km (0.06 R)
• M3: 1,610,122 km (0.047 R)
• M4: 2,052,184 km (0.12 R)
• M5: 2,792,992 km (0.086 R)
• M6: 4,716,372 km (0.11 R)
• M7: 7,937,513 km (0.087 R)
• M8: 9,680,478 km (0.096 R)
• M9: 10,660,494 km (0.095 R)
• M10: 14,361,844 km (0.102 R)
• M11: 16,374,833 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 10.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.12 AU - 4.88 AU

Year: 5522 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,332,356 km

• M1: 126,859 km (0.118 R)
• M2: 722,707 km (0.08 R)
• M3: 1,117,496 km (0.097 R)
• M4: 1,554,023 km (0.079 R)
• M5: 1,994,289 km (0.108 R)
• M6: 2,612,428 km (0.034 R)
• M7: 3,296,539 km (0.102 R)
• M8: 3,879,372 km (0.073 R)
• M9: 4,366,313 km (0.091 R)
• M10: 5,932,902 km (0.118 R)
• M11: 6,672,514 km (0.058 R)
• M12: 7,606,304 km (0.081 R)
• M13: 8,335,294 km (0.107 R)
• M14: 9,692,446 km (0.094 R)
• M15: 10,549,193 km (0.099 R)
• M16: 10,931,416 km (0.115 R)
• M17: 12,648,799 km (0.077 R)
• M18: 13,177,777 km (0.114 R)
• M19: 15,119,707 km (0.057 R)
• M20: 18,501,666 km (0.075 R)
• M21: 20,205,436 km (0.09 R)
• M22: 23,202,480 km (0.092 R)
• M23: 23,995,648 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit