🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 11.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,352,824 km

• M1: 143,016 km (0.078 R)
• M2: 583,880 km (0.101 R)
• M3: 973,733 km (0.07 R)
• M4: 1,537,866 km (0.103 R)
• M5: 2,197,294 km (0.084 R)
• M6: 2,584,303 km (0.111 R)
• M7: 3,277,989 km (0.053 R)
• M8: 3,846,760 km (0.07 R)
• M9: 4,574,553 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 9.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.08 AU - 2.38 AU

Year: 2117 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,352,824 km

• M1: 119,379 km (0.105 R)
• M2: 432,338 km (0.062 R)
• M3: 739,013 km (0.118 R)
• M4: 1,120,189 km (0.114 R)
• M5: 1,591,572 km (0.101 R)
• M6: 2,154,060 km (0.055 R)
• M7: 3,729,625 km (0.11 R)
• M8: 4,127,704 km (0.082 R)
• M9: 4,491,227 km (0.088 R)
• M10: 5,213,635 km (0.113 R)
• M11: 5,712,395 km (0.092 R)
• M12: 6,088,035 km (0.086 R)
• M13: 7,285,715 km (0.07 R)
• M14: 7,638,168 km (0.105 R)
• M15: 8,345,467 km (0.101 R)
• M16: 9,095,850 km (0.048 R)
• M17: 10,881,450 km (0.049 R)
• M18: 12,889,652 km (0.108 R)
• M19: 13,758,067 km (0.105 R)
• M20: 14,116,205 km (0.112 R)
• M21: 17,157,679 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 13.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.56 AU - 3.96 AU

Year: 3742 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,352,824 km

• M1: 162,912 km (0.085 R)
• M2: 972,835 km (0.108 R)
• M3: 1,562,400 km (0.101 R)
• M4: 1,982,321 km (0.114 R)
• M5: 3,039,978 km (0.081 R)
• M6: 4,420,168 km (0.083 R)
• M7: 5,976,734 km (0.091 R)
• M8: 8,636,135 km (0.098 R)
• M9: 9,608,372 km (0.082 R)
• M10: 10,310,285 km (0.046 R)
• M11: 13,213,830 km (0.12 R)
• M12: 14,239,623 km (0.053 R)
• M13: 15,595,877 km (0.072 R)
• M14: 16,741,348 km (0.113 R)
• M15: 22,243,109 km (0.094 R)
• M16: 25,516,610 km (0.101 R)
• M17: 27,105,638 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333

Radius: 5.1

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.33 AU - 9.11 AU

Year: 14984 Days

Day: 17.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,352,824 km

• M1: 64,177 km (0.12 R)
• M2: 309,817 km (0.099 R)
• M3: 617,390 km (0.105 R)
• M4: 1,066,334 km (0.088 R)
• M5: 3,265,572 km (0.099 R)
• M6: 3,927,842 km (0.098 R)
• M7: 4,348,511 km (0.09 R)
• M8: 6,449,015 km (0.086 R)
• M9: 6,993,850 km (0.097 R)
• M10: 7,360,066 km (0.059 R)
• M11: 8,398,873 km (0.088 R)
• M12: 10,083,794 km (0.054 R)
• M13: 10,978,389 km (0.066 R)
• M14: 11,584,560 km (0.055 R)
• M15: 17,188,047 km (0.118 R)
• M16: 20,940,710 km (0.117 R)
• M17: 39,709,708 km (0.119 R)
• M18: 42,322,883 km (0.072 R)
• M19: 48,179,341 km (0.085 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: 224 - 19,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit