🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53

Radius: 14.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.56 AU - 0.84 AU

Year: 404 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 24,434,980 km

• M1: 184,454 km (0.079 R)
• M2: 873,502 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 12.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.65 AU - 0.77 AU

Year: 413 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,434,980 km

• M1: 154,235 km (0.116 R)
• M2: 658,530 km (0.114 R)
• M3: 1,330,673 km (0.096 R)
• M4: 1,944,174 km (0.088 R)
• M5: 2,591,334 km (0.117 R)
• M6: 3,120,312 km (0.116 R)
• M7: 3,569,405 km (0.041 R)
• M8: 3,986,933 km (0.049 R)
• M9: 4,437,073 km (0.066 R)
• M10: 4,849,963 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 11.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.83 AU - 1.03 AU

Year: 619 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,434,980 km

• M1: 139,276 km (0.098 R)
• M2: 522,695 km (0.079 R)
• M3: 1,387,520 km (0.076 R)
• M4: 2,776,387 km (0.118 R)
• M5: 3,251,360 km (0.041 R)
• M6: 4,270,720 km (0.12 R)
• M7: 5,411,703 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.1

Radius: 12.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.09 AU - 1.17 AU

Year: 829 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,434,980 km

• M1: 157,377 km (0.026 R)
• M2: 884,722 km (0.112 R)
• M3: 1,525,898 km (0.093 R)
• M4: 3,842,421 km (0.113 R)
• M5: 4,435,278 km (0.091 R)
• M6: 5,238,169 km (0.064 R)
• M7: 5,989,450 km (0.112 R)
• M8: 6,413,111 km (0.117 R)
• M9: 8,286,675 km (0.104 R)
• M10: 8,949,244 km (0.112 R)
• M11: 9,732,837 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.5

Radius: 9.2

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.21 AU - 5.31 AU

Year: 7168 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 24,434,980 km

• M1: 115,190 km (0.067 R)
• M2: 482,154 km (0.119 R)
• M3: 1,398,590 km (0.063 R)
• M4: 1,976,487 km (0.037 R)
• M5: 2,512,945 km (0.094 R)
• M6: 2,806,007 km (0.1 R)
• M7: 3,438,208 km (0.069 R)
• M8: 4,189,189 km (0.095 R)
• M9: 4,689,893 km (0.078 R)
• M10: 5,137,191 km (0.027 R)
• M11: 5,678,286 km (0.087 R)
• M12: 6,256,931 km (0.098 R)
• M13: 8,273,061 km (0.101 R)
• M14: 9,336,104 km (0.114 R)
• M15: 10,942,785 km (0.107 R)
• M16: 12,221,847 km (0.034 R)
• M17: 13,420,275 km (0.047 R)
• M18: 13,957,182 km (0.054 R)
• M19: 14,446,517 km (0.071 R)
• M20: 15,010,501 km (0.115 R)
• M21: 16,049,308 km (0.09 R)
• M22: 17,135,539 km (0.06 R)
• M23: 19,910,429 km (0.044 R)
• M24: 23,056,173 km (0.095 R)
• M25: 23,826,453 km (0.041 R)
• M26: 24,613,936 km (0.069 R)
• M27: 27,554,581 km (0.113 R)
• M28: 30,619,094 km (0.112 R)
• M29: 33,794,159 km (0.095 R)
• M30: 36,833,838 km (0.09 R)
• M31: 38,004,292 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 13.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.63 AU - 5.47 AU

Year: 7833 Days

Day: 12.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,434,980 km

• M1: 162,912 km (0.083 R)
• M2: 1,132,605 km (0.072 R)
• M3: 2,382,496 km (0.117 R)
• M4: 3,349,796 km (0.091 R)
• M5: 4,778,306 km (0.1 R)
• M6: 5,988,403 km (0.099 R)
• M7: 7,283,771 km (0.119 R)
• M8: 8,193,326 km (0.093 R)
• M9: 10,238,628 km (0.109 R)
• M10: 12,186,991 km (0.049 R)
• M11: 13,139,929 km (0.065 R)
• M12: 18,460,228 km (0.077 R)
• M13: 18,942,232 km (0.083 R)
• M14: 21,179,169 km (0.119 R)
• M15: 22,477,978 km (0.094 R)
• M16: 23,266,358 km (0.086 R)
• M17: 26,344,933 km (0.029 R)
• M18: 28,664,298 km (0.043 R)
• M19: 31,506,060 km (0.098 R)
• M20: 35,158,192 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.3

Radius: 4.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.42 AU - 6.62 AU

Year: 10195 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,434,980 km

• M1: 54,753 km (0.073 R)
• M2: 277,354 km (0.09 R)
• M3: 539,899 km (0.107 R)
• M4: 1,038,508 km (0.113 R)
• M5: 1,289,683 km (0.08 R)
• M6: 1,966,165 km (0.097 R)
• M7: 3,157,413 km (0.079 R)
• M8: 3,346,205 km (0.086 R)
• M9: 3,542,478 km (0.095 R)
• M10: 4,245,139 km (0.106 R)
• M11: 7,994,361 km (0.119 R)
• M12: 9,192,640 km (0.091 R)
• M13: 11,579,922 km (0.111 R)
• M14: 15,133,171 km (0.066 R)
• M15: 17,709,695 km (0.12 R)
• M16: 19,919,256 km (0.088 R)
• M17: 20,629,397 km (0.114 R)
• M18: 23,354,172 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit