🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 14.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.43 AU - 2.11 AU

Year: 1625 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,669,738 km

• M1: 179,069 km (0.11 R)
• M2: 663,616 km (0.108 R)
• M3: 1,195,137 km (0.079 R)
• M4: 1,653,655 km (0.112 R)
• M5: 2,552,888 km (0.039 R)
• M6: 3,382,557 km (0.107 R)
• M7: 4,072,802 km (0.092 R)
• M8: 4,896,488 km (0.063 R)
• M9: 5,874,858 km (0.079 R)
• M10: 6,522,318 km (0.113 R)
• M11: 7,137,464 km (0.107 R)
• M12: 9,504,701 km (0.111 R)
• M13: 9,961,722 km (0.105 R)
• M14: 10,955,202 km (0.027 R)
• M15: 11,715,159 km (0.07 R)
• M16: 12,317,589 km (0.097 R)
• M17: 13,381,081 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 11.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.48 AU - 2.54 AU

Year: 2745 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,669,738 km

• M1: 150,495 km (0.032 R)
• M2: 812,167 km (0.106 R)
• M3: 1,271,582 km (0.12 R)
• M4: 1,761,066 km (0.097 R)
• M5: 2,363,796 km (0.052 R)
• M6: 2,752,750 km (0.088 R)
• M7: 3,772,858 km (0.093 R)
• M8: 4,204,149 km (0.089 R)
• M9: 5,127,317 km (0.106 R)
• M10: 6,158,496 km (0.092 R)
• M11: 6,951,813 km (0.112 R)
• M12: 8,855,895 km (0.101 R)
• M13: 9,501,559 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.1

Radius: 10.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.46 AU - 3.7 AU

Year: 3731 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,669,738 km

• M1: 141,520 km (0.053 R)
• M2: 605,123 km (0.119 R)
• M3: 948,301 km (0.113 R)
• M4: 2,784,914 km (0.094 R)
• M5: 5,749,495 km (0.061 R)
• M6: 6,182,431 km (0.056 R)
• M7: 7,360,664 km (0.054 R)
• M8: 7,901,012 km (0.05 R)
• M9: 8,437,021 km (0.083 R)
• M10: 8,807,724 km (0.085 R)
• M11: 10,157,396 km (0.036 R)
• M12: 11,452,166 km (0.047 R)
• M13: 13,098,191 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 10.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.9 AU - 3.86 AU

Year: 4289 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,669,738 km

• M1: 130,599 km (0.109 R)
• M2: 644,168 km (0.045 R)
• M3: 1,059,602 km (0.065 R)
• M4: 1,709,156 km (0.117 R)
• M5: 2,092,276 km (0.118 R)
• M6: 2,592,232 km (0.076 R)
• M7: 4,324,276 km (0.061 R)
• M8: 4,765,440 km (0.111 R)
• M9: 5,260,759 km (0.085 R)
• M10: 6,636,461 km (0.112 R)
• M11: 7,164,541 km (0.038 R)
• M12: 8,745,043 km (0.103 R)
• M13: 9,672,400 km (0.093 R)
• M14: 10,083,944 km (0.093 R)
• M15: 15,066,151 km (0.064 R)
• M16: 17,199,267 km (0.109 R)
• M17: 18,309,583 km (0.091 R)
• M18: 18,998,481 km (0.051 R)
• M19: 19,408,229 km (0.108 R)
• M20: 20,245,379 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 9.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.78 AU - 6.04 AU

Year: 8686 Days

Day: 12.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,669,738 km

• M1: 114,742 km (0.107 R)
• M2: 478,564 km (0.109 R)
• M3: 1,070,522 km (0.094 R)
• M4: 2,645,788 km (0.088 R)
• M5: 3,267,965 km (0.101 R)
• M6: 5,118,042 km (0.068 R)
• M7: 7,239,340 km (0.094 R)
• M8: 10,448,663 km (0.085 R)
• M9: 12,958,317 km (0.108 R)
• M10: 16,289,263 km (0.108 R)
• M11: 21,900,530 km (0.099 R)
• M12: 23,748,662 km (0.093 R)
• M13: 26,401,032 km (0.09 R)
• M14: 32,693,717 km (0.1 R)
• M15: 34,781,655 km (0.093 R)
• M16: 36,404,791 km (0.077 R)
• M17: 37,402,609 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882

Radius: 3.4

Gravity: 76.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.98 AU - 7.76 AU

Year: 13811 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,669,738 km

• M1: 57,745 km (0.097 R)
• M2: 406,757 km (0.093 R)
• M3: 730,486 km (0.118 R)
• M4: 958,174 km (0.067 R)
• M5: 1,126,622 km (0.115 R)
• M6: 1,930,561 km (0.111 R)
• M7: 2,884,995 km (0.104 R)
• M8: 3,108,045 km (0.106 R)
• M9: 4,272,216 km (0.114 R)
• M10: 7,234,254 km (0.046 R)
• M11: 11,822,869 km (0.056 R)
• M12: 18,538,019 km (0.111 R)
• M13: 26,019,109 km (0.036 R)
• M14: 28,862,516 km (0.1 R)
• M15: 37,129,144 km (0.062 R)
• M16: 39,452,100 km (0.085 R)
• M17: 43,189,354 km (0.111 R)
• M18: 43,635,156 km (0.111 R)
• M19: 44,839,119 km (0.067 R)
• M20: 45,296,141 km (0.098 R)
• M21: 47,470,546 km (0.087 R)
• M22: 53,892,334 km (0.103 R)
• M23: 57,041,967 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 11,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit