🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 188.3

Radius: 9.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 15 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,307,371 km

• M1: 114,592 km (0.108 R)
• M2: 411,544 km (0.086 R)
• M3: 762,800 km (0.065 R)
• M4: 1,461,272 km (0.115 R)
• M5: 1,879,697 km (0.064 R)
• M6: 2,553,336 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.5

Radius: 10.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,307,371 km

• M1: 134,339 km (0.113 R)
• M2: 473,178 km (0.075 R)
• M3: 857,794 km (0.114 R)
• M4: 1,251,087 km (0.04 R)
• M5: 1,793,379 km (0.109 R)
• M6: 3,101,912 km (0.08 R)
• M7: 3,450,924 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 9.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.8 AU - 1.02 AU

Year: 599 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,307,371 km

• M1: 118,631 km (0.044 R)
• M2: 429,346 km (0.082 R)
• M3: 770,130 km (0.11 R)
• M4: 1,131,409 km (0.106 R)
• M5: 1,570,030 km (0.105 R)
• M6: 2,032,437 km (0.102 R)
• M7: 2,376,961 km (0.104 R)
• M8: 2,781,623 km (0.105 R)
• M9: 3,231,912 km (0.107 R)
• M10: 3,809,360 km (0.114 R)
• M11: 4,193,677 km (0.054 R)
• M12: 4,992,081 km (0.108 R)
• M13: 5,641,784 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 12.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.89 AU - 1.25 AU

Year: 764 Days

Day: 8.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,307,371 km

• M1: 157,975 km (0.069 R)
• M2: 720,463 km (0.108 R)
• M3: 1,147,116 km (0.087 R)
• M4: 1,577,958 km (0.117 R)
• M5: 2,298,122 km (0.089 R)
• M6: 3,189,127 km (0.106 R)
• M7: 4,110,052 km (0.051 R)
• M8: 4,968,295 km (0.05 R)
• M9: 5,745,905 km (0.083 R)
• M10: 7,152,873 km (0.09 R)
• M11: 8,145,155 km (0.103 R)
• M12: 8,623,270 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 11.8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.3 AU - 1.64 AU

Year: 1230 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,307,371 km

• M1: 154,385 km (0.066 R)
• M2: 616,343 km (0.112 R)
• M3: 1,166,415 km (0.12 R)
• M4: 2,297,524 km (0.084 R)
• M5: 2,815,731 km (0.118 R)
• M6: 3,739,348 km (0.089 R)
• M7: 4,245,438 km (0.111 R)
• M8: 4,645,313 km (0.067 R)
• M9: 5,190,747 km (0.056 R)
• M10: 5,756,975 km (0.079 R)
• M11: 7,812,749 km (0.102 R)
• M12: 8,787,229 km (0.078 R)
• M13: 9,288,981 km (0.075 R)
• M14: 10,743,371 km (0.064 R)
• M15: 11,214,754 km (0.043 R)
• M16: 11,594,733 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 12.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.88 AU - 2.16 AU

Year: 1982 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,307,371 km

• M1: 157,975 km (0.107 R)
• M2: 649,255 km (0.083 R)
• M3: 1,075,160 km (0.105 R)
• M4: 1,820,307 km (0.112 R)
• M5: 2,254,739 km (0.11 R)
• M6: 3,338,426 km (0.114 R)
• M7: 4,447,096 km (0.1 R)
• M8: 6,141,292 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.7

Radius: 13.1

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.64 AU - 3.78 AU

Year: 4933 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,307,371 km

• M1: 165,156 km (0.061 R)
• M2: 706,551 km (0.092 R)
• M3: 1,268,740 km (0.111 R)
• M4: 2,284,808 km (0.091 R)
• M5: 3,405,895 km (0.111 R)
• M6: 6,164,629 km (0.039 R)
• M7: 6,760,926 km (0.086 R)
• M8: 7,596,281 km (0.109 R)
• M9: 9,305,586 km (0.114 R)
• M10: 10,958,942 km (0.098 R)
• M11: 11,993,112 km (0.105 R)
• M12: 12,554,553 km (0.113 R)
• M13: 13,600,541 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.5

Radius: 4.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.12 AU - 10.56 AU

Year: 22950 Days

Day: 21 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,307,371 km

• M1: 60,138 km (0.051 R)
• M2: 635,941 km (0.079 R)
• M3: 887,863 km (0.116 R)
• M4: 3,561,925 km (0.097 R)
• M5: 5,423,072 km (0.083 R)
• M6: 7,401,803 km (0.058 R)
• M7: 8,204,097 km (0.097 R)
• M8: 9,897,395 km (0.078 R)
• M9: 10,481,724 km (0.082 R)
• M10: 12,902,816 km (0.112 R)
• M11: 14,744,665 km (0.069 R)
• M12: 25,993,677 km (0.026 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 12,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit