🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.89 AU - 1.17 AU

Year: 376 Days

Day: 17.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.9

Radius: 14

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.27 AU - 6.39 AU

Year: 5066 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,510,593 km

• M1: 223,948 km (0.052 R)
• M2: 709,543 km (0.115 R)
• M3: 1,152,801 km (0.111 R)
• M4: 2,141,194 km (0.12 R)
• M5: 3,551,603 km (0.073 R)
• M6: 4,092,250 km (0.11 R)
• M7: 5,689,506 km (0.113 R)
• M8: 6,965,127 km (0.097 R)
• M9: 11,549,255 km (0.067 R)
• M10: 12,539,294 km (0.103 R)
• M11: 15,850,493 km (0.087 R)
• M12: 16,576,790 km (0.109 R)
• M13: 18,030,732 km (0.115 R)
• M14: 19,774,894 km (0.108 R)
• M15: 24,865,410 km (0.075 R)
• M16: 28,588,751 km (0.059 R)
• M17: 29,303,530 km (0.091 R)
• M18: 30,768,841 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.3

Radius: 9.9

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.32 AU - 10.06 AU

Year: 10026 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,510,593 km

• M1: 123,269 km (0.072 R)
• M2: 442,361 km (0.064 R)
• M3: 754,422 km (0.053 R)
• M4: 1,156,242 km (0.116 R)
• M5: 1,643,033 km (0.116 R)
• M6: 3,074,984 km (0.086 R)
• M7: 4,484,495 km (0.115 R)
• M8: 5,142,277 km (0.071 R)
• M9: 6,000,969 km (0.087 R)
• M10: 7,750,366 km (0.103 R)
• M11: 9,106,322 km (0.079 R)
• M12: 12,225,437 km (0.085 R)
• M13: 19,379,507 km (0.103 R)
• M14: 21,443,957 km (0.104 R)
• M15: 21,773,970 km (0.09 R)
• M16: 24,899,818 km (0.1 R)
• M17: 25,540,545 km (0.086 R)
• M18: 26,380,388 km (0.064 R)
• M19: 28,610,443 km (0.114 R)
• M20: 31,173,952 km (0.07 R)
• M21: 33,331,902 km (0.119 R)
• M22: 36,400,752 km (0.065 R)
• M23: 37,345,014 km (0.084 R)
• M24: 43,488,400 km (0.115 R)
• M25: 45,224,633 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 9.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.37 AU - 11.29 AU

Year: 10256 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,510,593 km

• M1: 123,867 km (0.102 R)
• M2: 605,273 km (0.119 R)
• M3: 910,153 km (0.047 R)
• M4: 1,466,508 km (0.105 R)
• M5: 2,315,925 km (0.097 R)
• M6: 2,758,286 km (0.095 R)
• M7: 3,116,572 km (0.071 R)
• M8: 6,934,759 km (0.112 R)
• M9: 7,710,873 km (0.104 R)
• M10: 10,658,250 km (0.105 R)
• M11: 11,739,543 km (0.106 R)
• M12: 13,737,572 km (0.063 R)
• M13: 14,063,845 km (0.084 R)
• M14: 16,373,786 km (0.073 R)
• M15: 17,810,823 km (0.028 R)
• M16: 21,293,911 km (0.089 R)
• M17: 22,324,191 km (0.107 R)
• M18: 25,861,283 km (0.093 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 16,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit