🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 12.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.56 AU - 0.86 AU

Year: 413 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,558,527 km

• M1: 160,519 km (0.081 R)
• M2: 622,327 km (0.091 R)
• M3: 1,221,766 km (0.113 R)
• M4: 1,624,782 km (0.065 R)
• M5: 2,093,772 km (0.077 R)
• M6: 2,742,727 km (0.093 R)
• M7: 3,165,192 km (0.071 R)
• M8: 3,730,223 km (0.112 R)
• M9: 4,211,030 km (0.111 R)
• M10: 4,616,740 km (0.091 R)
• M11: 5,079,446 km (0.101 R)
• M12: 5,491,439 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663

Radius: 8

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,558,527 km

• M1: 99,483 km (0.107 R)
• M2: 375,640 km (0.112 R)
• M3: 643,420 km (0.046 R)
• M4: 914,342 km (0.117 R)
• M5: 1,288,187 km (0.035 R)
• M6: 1,893,011 km (0.115 R)
• M7: 2,157,201 km (0.115 R)
• M8: 2,558,572 km (0.057 R)
• M9: 2,883,200 km (0.057 R)
• M10: 3,485,481 km (0.115 R)
• M11: 3,983,343 km (0.115 R)
• M12: 4,527,580 km (0.076 R)
• M13: 4,857,892 km (0.093 R)
• M14: 5,187,456 km (0.069 R)
• M15: 5,479,321 km (0.106 R)
• M16: 5,745,905 km (0.107 R)
• M17: 6,798,475 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 12.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.9 AU - 1.32 AU

Year: 807 Days

Day: 13.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,558,527 km

• M1: 158,125 km (0.071 R)
• M2: 631,901 km (0.051 R)
• M3: 1,971,251 km (0.116 R)
• M4: 2,613,026 km (0.048 R)
• M5: 3,028,908 km (0.059 R)
• M6: 3,934,125 km (0.079 R)
• M7: 5,197,180 km (0.066 R)
• M8: 6,046,297 km (0.096 R)
• M9: 6,804,010 km (0.071 R)
• M10: 7,795,994 km (0.061 R)
• M11: 8,588,115 km (0.117 R)
• M12: 9,321,144 km (0.112 R)

Asteroid Belt

Center: 1.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.9

Radius: 10.5

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.64 AU - 2.28 AU

Year: 1894 Days

Day: 9.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,558,527 km

• M1: 130,599 km (0.101 R)
• M2: 596,596 km (0.1 R)
• M3: 1,021,454 km (0.109 R)
• M4: 3,152,925 km (0.119 R)
• M5: 3,858,279 km (0.086 R)
• M6: 4,424,058 km (0.07 R)
• M7: 4,915,786 km (0.096 R)
• M8: 5,286,041 km (0.119 R)
• M9: 7,120,111 km (0.118 R)
• M10: 7,453,415 km (0.119 R)
• M11: 8,797,103 km (0.115 R)
• M12: 12,752,022 km (0.076 R)
• M13: 13,835,559 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.2

Radius: 3

Gravity: 22.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.17 AU - 6.33 AU

Year: 10785 Days

Day: 22.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,558,527 km

• M1: 37,399 km (0.073 R)
• M2: 143,464 km (0.04 R)
• M3: 360,232 km (0.107 R)
• M4: 835,504 km (0.116 R)
• M5: 957,726 km (0.071 R)
• M6: 1,142,629 km (0.118 R)
• M7: 1,494,782 km (0.041 R)
• M8: 1,870,871 km (0.064 R)
• M9: 2,004,312 km (0.085 R)
• M10: 2,208,214 km (0.048 R)
• M11: 3,709,878 km (0.047 R)
• M12: 3,826,115 km (0.068 R)
• M13: 4,601,631 km (0.062 R)
• M14: 5,536,617 km (0.07 R)
• M15: 6,390,073 km (0.098 R)
• M16: 7,584,911 km (0.061 R)
• M17: 12,509,972 km (0.117 R)
• M18: 13,414,441 km (0.105 R)
• M19: 21,144,163 km (0.091 R)
• M20: 21,890,806 km (0.079 R)
• M21: 22,654,802 km (0.068 R)
• M22: 25,219,059 km (0.105 R)
• M23: 27,264,362 km (0.037 R)
• M24: 27,439,690 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82

Radius: 7.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.76 AU - 11.64 AU

Year: 20853 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,558,527 km

• M1: 98,735 km (0.046 R)
• M2: 382,971 km (0.12 R)
• M3: 946,805 km (0.093 R)
• M4: 1,206,208 km (0.105 R)
• M5: 1,463,067 km (0.064 R)
• M6: 1,714,392 km (0.067 R)
• M7: 3,130,186 km (0.107 R)
• M8: 3,437,310 km (0.114 R)
• M9: 4,901,425 km (0.056 R)
• M10: 5,659,287 km (0.092 R)
• M11: 7,142,102 km (0.096 R)
• M12: 11,001,727 km (0.062 R)
• M13: 12,348,706 km (0.053 R)
• M14: 13,400,229 km (0.08 R)
• M15: 16,647,550 km (0.037 R)
• M16: 17,314,009 km (0.031 R)
• M17: 18,206,958 km (0.109 R)
• M18: 21,457,271 km (0.097 R)
• M19: 22,406,769 km (0.118 R)
• M20: 23,054,977 km (0.116 R)
• M21: 26,936,742 km (0.079 R)
• M22: 30,734,583 km (0.116 R)
• M23: 31,534,782 km (0.065 R)
• M24: 35,635,559 km (0.064 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit