🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 11.4

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.4 AU

Year: 822 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,675,648 km

• M1: 141,819 km (0.119 R)
• M2: 567,425 km (0.101 R)
• M3: 1,199,027 km (0.116 R)
• M4: 1,839,007 km (0.075 R)
• M5: 2,222,426 km (0.106 R)
• M6: 2,843,108 km (0.034 R)
• M7: 3,222,189 km (0.111 R)
• M8: 3,605,757 km (0.104 R)
• M9: 4,164,805 km (0.109 R)
• M10: 4,603,874 km (0.117 R)
• M11: 5,017,961 km (0.113 R)
• M12: 5,696,089 km (0.026 R)
• M13: 6,567,197 km (0.115 R)
• M14: 6,953,459 km (0.099 R)
• M15: 7,598,375 km (0.054 R)
• M16: 8,546,526 km (0.104 R)
• M17: 9,146,713 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 15

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.2 AU - 1.34 AU

Year: 954 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,675,648 km

• M1: 186,848 km (0.083 R)
• M2: 766,689 km (0.084 R)
• M3: 1,265,598 km (0.102 R)
• M4: 1,962,574 km (0.054 R)
• M5: 2,646,985 km (0.116 R)
• M6: 3,432,074 km (0.109 R)
• M7: 4,585,624 km (0.11 R)
• M8: 5,077,950 km (0.065 R)
• M9: 6,596,219 km (0.067 R)
• M10: 7,065,059 km (0.05 R)
• M11: 7,871,541 km (0.071 R)
• M12: 9,388,912 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 13.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.18 AU - 2.28 AU

Year: 2221 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,675,648 km

• M1: 171,589 km (0.06 R)
• M2: 812,616 km (0.046 R)
• M3: 1,503,309 km (0.077 R)
• M4: 2,027,949 km (0.032 R)
• M5: 3,603,663 km (0.067 R)
• M6: 4,666,107 km (0.048 R)
• M7: 5,203,463 km (0.083 R)
• M8: 5,906,872 km (0.115 R)
• M9: 7,381,757 km (0.103 R)
• M10: 7,881,713 km (0.077 R)
• M11: 8,484,593 km (0.09 R)
• M12: 9,548,234 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 11.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.97 AU - 3.21 AU

Year: 2780 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,675,648 km

• M1: 139,276 km (0.113 R)
• M2: 1,012,628 km (0.075 R)
• M3: 1,707,510 km (0.101 R)
• M4: 2,265,660 km (0.037 R)
• M5: 4,256,658 km (0.079 R)
• M6: 4,698,869 km (0.086 R)
• M7: 5,826,388 km (0.113 R)
• M8: 8,446,146 km (0.098 R)
• M9: 12,727,787 km (0.082 R)
• M10: 16,073,394 km (0.081 R)
• M11: 17,413,342 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 12.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.82 AU - 2.94 AU

Year: 3259 Days

Day: 5.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,675,648 km

• M1: 154,235 km (0.091 R)
• M2: 637,287 km (0.048 R)
• M3: 1,280,558 km (0.12 R)
• M4: 2,056,672 km (0.101 R)
• M5: 2,632,773 km (0.098 R)
• M6: 3,203,938 km (0.042 R)
• M7: 4,947,351 km (0.046 R)
• M8: 7,036,037 km (0.062 R)
• M9: 7,847,605 km (0.117 R)
• M10: 8,565,675 km (0.105 R)
• M11: 9,036,310 km (0.098 R)
• M12: 9,425,264 km (0.118 R)
• M13: 12,952,932 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455

Radius: 7.9

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.08 AU - 8.82 AU

Year: 14948 Days

Day: 23 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,675,648 km

• M1: 98,435 km (0.046 R)
• M2: 375,939 km (0.106 R)
• M3: 862,133 km (0.106 R)
• M4: 1,172,548 km (0.113 R)
• M5: 1,571,825 km (0.116 R)
• M6: 2,059,663 km (0.107 R)
• M7: 2,498,883 km (0.109 R)
• M8: 3,069,449 km (0.06 R)
• M9: 3,513,156 km (0.101 R)
• M10: 4,684,209 km (0.103 R)
• M11: 5,445,362 km (0.102 R)
• M12: 6,598,164 km (0.036 R)
• M13: 7,295,439 km (0.101 R)
• M14: 9,030,775 km (0.093 R)
• M15: 12,731,527 km (0.098 R)
• M16: 17,794,517 km (0.045 R)
• M17: 21,504,694 km (0.041 R)
• M18: 25,111,798 km (0.1 R)
• M19: 28,252,007 km (0.109 R)
• M20: 30,080,541 km (0.079 R)
• M21: 31,417,797 km (0.083 R)
• M22: 34,691,597 km (0.034 R)
• M23: 46,156,628 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 12,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit