🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 11.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 10 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,180,507 km

• M1: 149,149 km (0.095 R)
• M2: 571,314 km (0.119 R)
• M3: 982,409 km (0.097 R)
• M4: 1,365,829 km (0.109 R)
• M5: 2,300,666 km (0.042 R)
• M6: 3,476,655 km (0.081 R)
• M7: 3,935,322 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 11.9

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.63 AU - 0.93 AU

Year: 459 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,180,507 km

• M1: 147,952 km (0.085 R)
• M2: 534,214 km (0.096 R)
• M3: 980,016 km (0.113 R)
• M4: 1,687,165 km (0.072 R)
• M5: 2,125,786 km (0.105 R)
• M6: 2,753,349 km (0.098 R)
• M7: 3,538,289 km (0.033 R)
• M8: 3,977,209 km (0.032 R)
• M9: 4,365,864 km (0.104 R)
• M10: 4,918,628 km (0.081 R)
• M11: 5,500,863 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 9.5

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.8 AU - 1.14 AU

Year: 637 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,180,507 km

• M1: 119,379 km (0.058 R)
• M2: 429,047 km (0.102 R)
• M3: 730,935 km (0.089 R)
• M4: 1,038,658 km (0.101 R)
• M5: 1,471,893 km (0.103 R)
• M6: 2,060,860 km (0.033 R)
• M7: 2,368,733 km (0.084 R)
• M8: 2,943,039 km (0.096 R)
• M9: 3,257,045 km (0.073 R)
• M10: 3,565,815 km (0.115 R)
• M11: 4,211,629 km (0.101 R)
• M12: 4,513,817 km (0.088 R)
• M13: 4,830,366 km (0.118 R)
• M14: 5,269,735 km (0.112 R)
• M15: 6,047,943 km (0.101 R)
• M16: 6,685,678 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 12.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.62 AU - 2.44 AU

Year: 1929 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,180,507 km

• M1: 153,039 km (0.058 R)
• M2: 575,802 km (0.099 R)
• M3: 1,031,477 km (0.101 R)
• M4: 1,460,823 km (0.098 R)
• M5: 1,878,650 km (0.059 R)
• M6: 3,047,159 km (0.077 R)
• M7: 3,582,121 km (0.098 R)
• M8: 4,410,744 km (0.077 R)
• M9: 5,219,171 km (0.079 R)
• M10: 5,702,372 km (0.115 R)
• M11: 7,055,036 km (0.109 R)
• M12: 8,023,532 km (0.037 R)
• M13: 8,525,732 km (0.099 R)
• M14: 9,968,454 km (0.107 R)
• M15: 10,516,581 km (0.074 R)
• M16: 11,290,151 km (0.083 R)
• M17: 12,319,235 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.4

Radius: 13.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.35 AU - 3.05 AU

Year: 2959 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,180,507 km

• M1: 165,754 km (0.111 R)
• M2: 616,942 km (0.069 R)
• M3: 1,858,454 km (0.082 R)
• M4: 2,526,409 km (0.102 R)
• M5: 3,007,665 km (0.085 R)
• M6: 4,220,156 km (0.101 R)
• M7: 4,720,112 km (0.066 R)
• M8: 6,379,302 km (0.107 R)
• M9: 7,129,984 km (0.06 R)
• M10: 7,746,926 km (0.086 R)
• M11: 10,422,334 km (0.075 R)
• M12: 12,443,700 km (0.093 R)
• M13: 13,385,419 km (0.108 R)
• M14: 14,277,920 km (0.1 R)
• M15: 15,614,128 km (0.108 R)
• M16: 16,709,783 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.6

Radius: 13.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.06 AU - 4.86 AU

Year: 6281 Days

Day: 9.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,180,507 km

• M1: 167,400 km (0.116 R)
• M2: 1,127,968 km (0.067 R)
• M3: 1,608,925 km (0.092 R)
• M4: 2,179,342 km (0.075 R)
• M5: 4,129,500 km (0.113 R)
• M6: 6,134,560 km (0.114 R)
• M7: 7,816,938 km (0.098 R)
• M8: 8,595,146 km (0.093 R)
• M9: 9,469,396 km (0.096 R)
• M10: 10,841,358 km (0.11 R)
• M11: 13,685,512 km (0.087 R)
• M12: 14,512,938 km (0.107 R)
• M13: 19,451,912 km (0.066 R)
• M14: 20,650,640 km (0.061 R)
• M15: 22,298,011 km (0.107 R)
• M16: 27,858,415 km (0.047 R)
• M17: 30,757,621 km (0.072 R)
• M18: 32,383,301 km (0.092 R)
• M19: 33,112,292 km (0.037 R)
• M20: 38,758,265 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46

Radius: 5.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.15 AU - 11.69 AU

Year: 19280 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,180,507 km

• M1: 71,508 km (0.061 R)
• M2: 942,018 km (0.05 R)
• M3: 1,372,860 km (0.102 R)
• M4: 4,630,054 km (0.055 R)
• M5: 5,472,739 km (0.088 R)
• M6: 7,635,625 km (0.089 R)
• M7: 9,622,135 km (0.037 R)
• M8: 10,266,303 km (0.094 R)
• M9: 14,972,503 km (0.033 R)
• M10: 16,370,495 km (0.091 R)
• M11: 17,663,320 km (0.108 R)
• M12: 21,729,390 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 16,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit