🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 10.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.95 AU - 1.57 AU

Year: 943 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,679,814 km

• M1: 128,205 km (0.099 R)
• M2: 931,995 km (0.118 R)
• M3: 1,402,480 km (0.072 R)
• M4: 1,728,454 km (0.112 R)
• M5: 2,400,747 km (0.11 R)
• M6: 2,873,775 km (0.12 R)
• M7: 3,507,920 km (0.075 R)
• M8: 4,063,527 km (0.074 R)
• M9: 4,585,624 km (0.095 R)
• M10: 5,284,096 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 14.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.28 AU - 1.72 AU

Year: 1225 Days

Day: 13.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,679,814 km

• M1: 184,305 km (0.09 R)
• M2: 1,141,581 km (0.095 R)
• M3: 1,816,866 km (0.083 R)
• M4: 3,100,715 km (0.098 R)
• M5: 3,901,662 km (0.118 R)
• M6: 4,399,673 km (0.103 R)
• M7: 5,074,809 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.3

Radius: 9.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.29 AU - 1.89 AU

Year: 1337 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,679,814 km

• M1: 113,096 km (0.068 R)
• M2: 411,245 km (0.03 R)
• M3: 701,913 km (0.119 R)
• M4: 1,051,075 km (0.099 R)
• M5: 1,485,208 km (0.116 R)
• M6: 2,036,027 km (0.041 R)
• M7: 2,900,703 km (0.101 R)
• M8: 3,197,804 km (0.088 R)
• M9: 3,823,422 km (0.088 R)
• M10: 4,344,472 km (0.112 R)
• M11: 5,056,857 km (0.114 R)
• M12: 5,470,196 km (0.064 R)
• M13: 6,581,110 km (0.03 R)
• M14: 7,401,055 km (0.079 R)
• M15: 8,034,453 km (0.073 R)
• M16: 8,415,927 km (0.054 R)
• M17: 8,889,853 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 8.1

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.6 AU - 1.9 AU

Year: 1544 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,679,814 km

• M1: 100,679 km (0.093 R)
• M2: 372,499 km (0.109 R)
• M3: 667,356 km (0.044 R)
• M4: 982,260 km (0.069 R)
• M5: 1,380,340 km (0.113 R)
• M6: 1,792,930 km (0.119 R)
• M7: 2,453,106 km (0.115 R)
• M8: 2,799,126 km (0.114 R)
• M9: 3,833,595 km (0.059 R)
• M10: 4,845,026 km (0.099 R)
• M11: 6,608,636 km (0.054 R)
• M12: 7,128,039 km (0.077 R)
• M13: 7,647,742 km (0.109 R)
• M14: 8,646,607 km (0.115 R)
• M15: 10,402,288 km (0.115 R)
• M16: 10,901,197 km (0.071 R)
• M17: 11,732,662 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 12.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.49 AU - 2.77 AU

Year: 2844 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,679,814 km

• M1: 153,188 km (0.096 R)
• M2: 637,287 km (0.114 R)
• M3: 1,092,962 km (0.118 R)
• M4: 1,781,860 km (0.112 R)
• M5: 2,315,476 km (0.103 R)
• M6: 2,808,251 km (0.112 R)
• M7: 3,280,681 km (0.063 R)
• M8: 4,152,388 km (0.059 R)
• M9: 5,270,782 km (0.116 R)
• M10: 5,807,689 km (0.101 R)
• M11: 7,705,038 km (0.096 R)
• M12: 8,162,509 km (0.109 R)
• M13: 8,569,116 km (0.049 R)
• M14: 9,645,472 km (0.081 R)
• M15: 10,177,592 km (0.102 R)
• M16: 10,609,331 km (0.068 R)
• M17: 11,259,334 km (0.12 R)
• M18: 11,935,666 km (0.106 R)
• M19: 12,505,036 km (0.083 R)
• M20: 13,138,283 km (0.1 R)
• M21: 13,556,709 km (0.085 R)
• M22: 15,066,301 km (0.112 R)
• M23: 15,576,429 km (0.115 R)
• M24: 18,475,038 km (0.109 R)
• M25: 19,656,711 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 3.9

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.36 AU - 7.4 AU

Year: 10746 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,679,814 km

• M1: 48,619 km (0.068 R)
• M2: 291,865 km (0.106 R)
• M3: 473,776 km (0.104 R)
• M4: 1,114,654 km (0.112 R)
• M5: 1,352,514 km (0.03 R)
• M6: 1,711,400 km (0.039 R)
• M7: 2,045,302 km (0.118 R)
• M8: 2,272,691 km (0.119 R)
• M9: 5,077,501 km (0.077 R)
• M10: 6,073,973 km (0.099 R)
• M11: 6,251,845 km (0.103 R)
• M12: 7,928,538 km (0.07 R)
• M13: 8,141,116 km (0.119 R)
• M14: 9,121,880 km (0.085 R)
• M15: 9,308,428 km (0.072 R)
• M16: 9,688,856 km (0.111 R)
• M17: 10,379,549 km (0.111 R)
• M18: 10,685,327 km (0.064 R)
• M19: 11,693,617 km (0.069 R)
• M20: 18,429,111 km (0.108 R)
• M21: 21,803,740 km (0.105 R)
• M22: 26,125,623 km (0.091 R)
• M23: 30,359,990 km (0.109 R)
• M24: 33,681,362 km (0.098 R)
• M25: 39,535,426 km (0.055 R)
• M26: 41,161,405 km (0.112 R)
• M27: 43,223,163 km (0.116 R)
• M28: 44,279,324 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 15,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit