🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 14.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,894,698 km

• M1: 175,478 km (0.09 R)
• M2: 636,539 km (0.066 R)
• M3: 1,191,547 km (0.097 R)
• M4: 1,699,731 km (0.076 R)
• M5: 2,226,016 km (0.088 R)
• M6: 2,842,808 km (0.084 R)
• M7: 3,410,532 km (0.116 R)
• M8: 3,865,160 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.8

Radius: 8.3

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,894,698 km

• M1: 103,223 km (0.083 R)
• M2: 411,095 km (0.111 R)
• M3: 699,819 km (0.103 R)
• M4: 981,512 km (0.114 R)
• M5: 1,871,769 km (0.116 R)
• M6: 2,488,112 km (0.114 R)
• M7: 2,908,033 km (0.109 R)
• M8: 4,091,801 km (0.043 R)
• M9: 4,530,272 km (0.075 R)
• M10: 4,829,767 km (0.087 R)
• M11: 5,158,284 km (0.057 R)
• M12: 5,670,507 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 14.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.08 AU - 2.66 AU

Year: 2518 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,894,698 km

• M1: 184,005 km (0.117 R)
• M2: 740,509 km (0.045 R)
• M3: 1,247,347 km (0.07 R)
• M4: 1,852,919 km (0.097 R)
• M5: 2,325,648 km (0.036 R)
• M6: 2,836,675 km (0.09 R)
• M7: 3,489,370 km (0.074 R)
• M8: 3,979,154 km (0.058 R)
• M9: 4,636,188 km (0.12 R)
• M10: 5,410,057 km (0.097 R)
• M11: 6,021,613 km (0.117 R)
• M12: 6,652,917 km (0.084 R)
• M13: 7,412,126 km (0.09 R)
• M14: 8,048,665 km (0.108 R)
• M15: 9,007,437 km (0.114 R)
• M16: 10,006,751 km (0.102 R)
• M17: 11,078,770 km (0.115 R)
• M18: 13,451,093 km (0.113 R)
• M19: 14,801,513 km (0.073 R)
• M20: 15,626,096 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 12.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.91 AU - 2.91 AU

Year: 2582 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,894,698 km

• M1: 157,975 km (0.077 R)
• M2: 722,558 km (0.073 R)
• M3: 1,181,374 km (0.111 R)
• M4: 1,921,734 km (0.063 R)
• M5: 2,376,961 km (0.109 R)
• M6: 3,400,210 km (0.092 R)
• M7: 4,114,839 km (0.075 R)
• M8: 4,720,411 km (0.113 R)
• M9: 6,165,078 km (0.095 R)
• M10: 7,631,586 km (0.066 R)
• M11: 8,582,430 km (0.053 R)
• M12: 9,946,164 km (0.105 R)
• M13: 11,040,024 km (0.118 R)
• M14: 11,491,061 km (0.104 R)
• M15: 12,386,554 km (0.107 R)
• M16: 15,252,401 km (0.089 R)
• M17: 16,705,445 km (0.114 R)
• M18: 17,687,106 km (0.046 R)
• M19: 19,408,229 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 13.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.52 AU - 3.44 AU

Year: 3551 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,894,698 km

• M1: 165,605 km (0.101 R)
• M2: 722,408 km (0.094 R)
• M3: 1,176,587 km (0.071 R)
• M4: 1,611,319 km (0.117 R)
• M5: 2,084,946 km (0.111 R)
• M6: 4,943,761 km (0.051 R)
• M7: 8,571,210 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433

Radius: 6.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.46 AU - 6.7 AU

Year: 9098 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,894,698 km

• M1: 81,830 km (0.091 R)
• M2: 301,889 km (0.097 R)
• M3: 549,772 km (0.101 R)
• M4: 790,026 km (0.054 R)
• M5: 1,542,952 km (0.081 R)
• M6: 1,970,653 km (0.07 R)
• M7: 2,510,851 km (0.07 R)
• M8: 2,977,596 km (0.093 R)
• M9: 3,546,666 km (0.119 R)
• M10: 3,832,548 km (0.108 R)
• M11: 4,478,212 km (0.094 R)
• M12: 6,116,608 km (0.047 R)
• M13: 6,959,293 km (0.038 R)
• M14: 7,485,279 km (0.12 R)
• M15: 7,997,053 km (0.081 R)
• M16: 8,872,799 km (0.104 R)
• M17: 9,222,709 km (0.106 R)
• M18: 9,903,529 km (0.105 R)
• M19: 11,882,559 km (0.079 R)
• M20: 12,415,726 km (0.065 R)
• M21: 18,092,366 km (0.091 R)
• M22: 19,012,842 km (0.069 R)
• M23: 21,333,105 km (0.072 R)
• M24: 22,040,553 km (0.052 R)
• M25: 23,835,728 km (0.114 R)
• M26: 26,798,215 km (0.068 R)
• M27: 29,318,939 km (0.054 R)
• M28: 29,899,827 km (0.115 R)
• M29: 31,587,291 km (0.083 R)
• M30: 34,934,095 km (0.066 R)
• M31: 37,367,454 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.5

Radius: 7.2

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.91 AU - 8.09 AU

Year: 11439 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,894,698 km

• M1: 89,609 km (0.091 R)
• M2: 629,059 km (0.063 R)
• M3: 1,224,010 km (0.073 R)
• M4: 1,573,022 km (0.09 R)
• M5: 2,315,027 km (0.106 R)
• M6: 2,785,961 km (0.084 R)
• M7: 3,102,959 km (0.103 R)
• M8: 4,086,266 km (0.108 R)
• M9: 4,406,106 km (0.109 R)
• M10: 5,030,827 km (0.098 R)
• M11: 6,416,851 km (0.098 R)
• M12: 6,690,166 km (0.093 R)
• M13: 7,774,302 km (0.039 R)
• M14: 8,040,287 km (0.117 R)
• M15: 10,180,733 km (0.109 R)
• M16: 11,268,908 km (0.063 R)
• M17: 18,671,460 km (0.102 R)
• M18: 18,989,056 km (0.084 R)
• M19: 19,798,979 km (0.047 R)
• M20: 20,463,194 km (0.114 R)
• M21: 21,056,648 km (0.071 R)
• M22: 24,009,411 km (0.116 R)
• M23: 28,780,686 km (0.119 R)
• M24: 37,946,547 km (0.104 R)
• M25: 41,074,339 km (0.118 R)
• M26: 43,114,106 km (0.091 R)
• M27: 46,808,127 km (0.047 R)
• M28: 47,985,911 km (0.039 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 19,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit