🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.59 AU - 0.67 AU

Year: 328 Days

Day: 31.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 9.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.89 AU - 1.11 AU

Year: 656 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,244,641 km

• M1: 116,836 km (0.117 R)
• M2: 455,376 km (0.032 R)
• M3: 762,949 km (0.058 R)
• M4: 1,098,796 km (0.115 R)
• M5: 1,571,077 km (0.111 R)
• M6: 1,943,576 km (0.103 R)
• M7: 2,374,866 km (0.07 R)
• M8: 2,891,727 km (0.094 R)
• M9: 3,772,110 km (0.079 R)
• M10: 4,462,056 km (0.108 R)
• M11: 5,082,737 km (0.088 R)
• M12: 5,580,749 km (0.113 R)
• M13: 5,905,974 km (0.113 R)
• M14: 6,262,915 km (0.061 R)
• M15: 6,917,406 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 14.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.42 AU - 2.06 AU

Year: 1506 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,244,641 km

• M1: 184,005 km (0.058 R)
• M2: 691,890 km (0.112 R)
• M3: 1,686,118 km (0.047 R)
• M4: 2,208,513 km (0.09 R)
• M5: 2,909,379 km (0.096 R)
• M6: 3,772,559 km (0.105 R)
• M7: 5,338,849 km (0.049 R)
• M8: 7,068,499 km (0.107 R)
• M9: 7,574,739 km (0.106 R)
• M10: 8,600,531 km (0.094 R)
• M11: 9,588,625 km (0.102 R)
• M12: 10,110,273 km (0.116 R)
• M13: 11,104,500 km (0.079 R)
• M14: 11,680,452 km (0.098 R)
• M15: 12,352,147 km (0.114 R)
• M16: 13,089,066 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 9.4

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.3 AU - 5.22 AU

Year: 5768 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,244,641 km

• M1: 117,883 km (0.069 R)
• M2: 663,317 km (0.074 R)
• M3: 957,576 km (0.052 R)
• M4: 1,646,175 km (0.069 R)
• M5: 1,953,898 km (0.094 R)
• M6: 2,463,727 km (0.025 R)
• M7: 3,079,472 km (0.108 R)
• M8: 3,466,183 km (0.11 R)
• M9: 5,124,475 km (0.119 R)
• M10: 10,049,536 km (0.06 R)
• M11: 17,079,738 km (0.03 R)
• M12: 19,295,283 km (0.109 R)
• M13: 23,738,938 km (0.084 R)
• M14: 27,337,814 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.3

Radius: 3.4

Gravity: 74.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.09 AU - 9.27 AU

Year: 13962 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,244,641 km

• M1: 42,336 km (0.042 R)
• M2: 162,314 km (0.094 R)
• M3: 348,114 km (0.113 R)
• M4: 470,784 km (0.113 R)
• M5: 816,655 km (0.106 R)
• M6: 1,944,772 km (0.111 R)
• M7: 2,096,465 km (0.097 R)
• M8: 2,276,431 km (0.106 R)
• M9: 5,840,600 km (0.109 R)
• M10: 6,953,309 km (0.112 R)
• M11: 7,958,756 km (0.079 R)
• M12: 8,646,757 km (0.037 R)
• M13: 10,252,989 km (0.082 R)
• M14: 11,550,003 km (0.036 R)
• M15: 12,365,760 km (0.077 R)
• M16: 14,464,469 km (0.055 R)
• M17: 14,679,291 km (0.066 R)
• M18: 14,823,803 km (0.026 R)
• M19: 15,485,474 km (0.07 R)
• M20: 16,090,149 km (0.06 R)
• M21: 17,185,654 km (0.065 R)
• M22: 17,915,691 km (0.084 R)
• M23: 18,246,602 km (0.071 R)
• M24: 19,177,849 km (0.072 R)
• M25: 22,831,178 km (0.049 R)
• M26: 24,922,706 km (0.098 R)
• M27: 29,367,558 km (0.116 R)
• M28: 29,943,360 km (0.11 R)
• M29: 30,526,642 km (0.091 R)
• M30: 40,773,348 km (0.113 R)
• M31: 40,915,915 km (0.053 R)
• M32: 46,583,879 km (0.086 R)
• M33: 47,209,198 km (0.106 R)
• M34: 49,442,246 km (0.038 R)
• M35: 50,420,466 km (0.096 R)
• M36: 53,261,928 km (0.055 R)
• M37: 54,635,237 km (0.094 R)
• M38: 56,384,933 km (0.086 R)
• M39: 59,627,766 km (0.097 R)
• M40: 63,183,259 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.1

Radius: 6.4

Gravity: 22.32 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.19 AU - 13.07 AU

Year: 22736 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,244,641 km

• M1: 80,633 km (0.102 R)
• M2: 351,854 km (0.082 R)
• M3: 787,184 km (0.096 R)
• M4: 2,059,514 km (0.102 R)
• M5: 2,396,259 km (0.102 R)
• M6: 3,415,768 km (0.067 R)
• M7: 3,823,123 km (0.087 R)
• M8: 5,783,902 km (0.1 R)
• M9: 6,046,447 km (0.082 R)
• M10: 6,548,497 km (0.071 R)
• M11: 6,882,250 km (0.093 R)
• M12: 8,059,136 km (0.057 R)
• M13: 8,442,556 km (0.092 R)
• M14: 9,911,757 km (0.11 R)
• M15: 11,543,720 km (0.101 R)
• M16: 12,972,230 km (0.115 R)
• M17: 15,918,709 km (0.05 R)
• M18: 16,697,516 km (0.096 R)
• M19: 17,141,074 km (0.087 R)
• M20: 18,144,427 km (0.094 R)
• M21: 18,424,773 km (0.073 R)
• M22: 20,670,686 km (0.095 R)
• M23: 22,658,692 km (0.071 R)
• M24: 26,408,512 km (0.106 R)
• M25: 32,296,684 km (0.068 R)
• M26: 33,123,961 km (0.093 R)
• M27: 33,542,835 km (0.096 R)
• M28: 37,775,706 km (0.071 R)
• M29: 39,158,439 km (0.11 R)
• M30: 47,992,044 km (0.111 R)
• M31: 49,249,713 km (0.025 R)
• M32: 52,018,471 km (0.103 R)
• M33: 69,005,608 km (0.119 R)
• M34: 71,998,762 km (0.089 R)
• M35: 74,597,876 km (0.106 R)
• M36: 78,489,365 km (0.117 R)
• M37: 87,735,262 km (0.093 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: 278 - 14,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit