🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 11.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,770,399 km

• M1: 148,700 km (0.079 R)
• M2: 524,341 km (0.094 R)
• M3: 961,615 km (0.104 R)
• M4: 1,330,972 km (0.042 R)
• M5: 2,256,385 km (0.026 R)
• M6: 2,726,870 km (0.114 R)
• M7: 3,201,095 km (0.114 R)
• M8: 3,853,940 km (0.079 R)
• M9: 4,768,582 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 12.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.75 AU - 1.11 AU

Year: 619 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,770,399 km

• M1: 157,975 km (0.1 R)
• M2: 690,245 km (0.052 R)
• M3: 1,271,133 km (0.026 R)
• M4: 1,699,581 km (0.079 R)
• M5: 2,293,186 km (0.069 R)
• M6: 2,998,689 km (0.085 R)
• M7: 3,844,815 km (0.107 R)
• M8: 5,026,339 km (0.075 R)
• M9: 5,952,499 km (0.078 R)
• M10: 6,968,269 km (0.113 R)
• M11: 7,528,962 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 9.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.07 AU - 4.73 AU

Year: 6371 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,770,399 km

• M1: 119,678 km (0.056 R)
• M2: 425,606 km (0.07 R)
• M3: 1,024,895 km (0.032 R)
• M4: 1,611,468 km (0.12 R)
• M5: 1,917,396 km (0.104 R)
• M6: 2,774,891 km (0.095 R)
• M7: 5,546,939 km (0.087 R)
• M8: 13,250,482 km (0.063 R)
• M9: 15,553,242 km (0.106 R)
• M10: 16,274,752 km (0.073 R)
• M11: 18,909,021 km (0.112 R)
• M12: 20,010,062 km (0.049 R)
• M13: 22,490,843 km (0.112 R)
• M14: 31,058,164 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.4

Radius: 7.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.09 AU - 10.83 AU

Year: 18513 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,770,399 km

• M1: 90,806 km (0.107 R)
• M2: 349,610 km (0.067 R)
• M3: 833,111 km (0.119 R)
• M4: 1,406,669 km (0.026 R)
• M5: 1,872,965 km (0.084 R)
• M6: 2,161,390 km (0.055 R)
• M7: 2,521,323 km (0.12 R)
• M8: 3,063,016 km (0.056 R)
• M9: 3,361,763 km (0.115 R)
• M10: 3,960,005 km (0.103 R)
• M11: 4,627,212 km (0.075 R)
• M12: 5,226,950 km (0.034 R)
• M13: 7,338,075 km (0.115 R)
• M14: 8,246,732 km (0.092 R)
• M15: 9,382,180 km (0.097 R)
• M16: 11,015,190 km (0.064 R)
• M17: 11,778,439 km (0.062 R)
• M18: 13,673,694 km (0.066 R)
• M19: 17,037,701 km (0.083 R)
• M20: 18,869,079 km (0.118 R)
• M21: 20,739,950 km (0.084 R)
• M22: 21,992,832 km (0.046 R)
• M23: 22,359,945 km (0.079 R)
• M24: 24,354,384 km (0.107 R)
• M25: 25,748,187 km (0.105 R)
• M26: 28,912,332 km (0.088 R)
• M27: 32,920,657 km (0.087 R)
• M28: 36,895,921 km (0.104 R)
• M29: 38,333,108 km (0.114 R)
• M30: 43,729,552 km (0.099 R)
• M31: 51,360,539 km (0.09 R)
• M32: 57,200,242 km (0.099 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: 340 - 14,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit