🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 12.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.67 AU - 1.05 AU

Year: 551 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,129,218 km

• M1: 158,723 km (0.083 R)
• M2: 559,795 km (0.099 R)
• M3: 1,055,413 km (0.083 R)
• M4: 1,791,135 km (0.1 R)
• M5: 2,228,111 km (0.072 R)
• M6: 2,671,818 km (0.119 R)
• M7: 3,114,478 km (0.107 R)
• M8: 3,632,835 km (0.097 R)
• M9: 4,048,418 km (0.119 R)
• M10: 4,495,715 km (0.12 R)
• M11: 5,779,564 km (0.105 R)
• M12: 6,212,800 km (0.111 R)
• M13: 7,123,551 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 9

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.08 AU - 1.62 AU

Year: 1083 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,129,218 km

• M1: 111,899 km (0.103 R)
• M2: 395,387 km (0.114 R)
• M3: 737,667 km (0.099 R)
• M4: 1,049,728 km (0.053 R)
• M5: 1,827,188 km (0.105 R)
• M6: 2,213,151 km (0.062 R)
• M7: 2,519,976 km (0.087 R)
• M8: 3,348,748 km (0.063 R)
• M9: 3,786,771 km (0.086 R)
• M10: 4,296,900 km (0.093 R)
• M11: 5,354,257 km (0.099 R)
• M12: 6,019,220 km (0.05 R)
• M13: 6,394,262 km (0.117 R)
• M14: 6,974,253 km (0.097 R)
• M15: 7,792,852 km (0.094 R)
• M16: 9,039,152 km (0.087 R)
• M17: 10,164,876 km (0.105 R)
• M18: 10,761,622 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.7

Radius: 12.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.24 AU - 1.66 AU

Year: 1205 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,129,218 km

• M1: 157,975 km (0.111 R)
• M2: 558,598 km (0.102 R)
• M3: 1,999,076 km (0.118 R)
• M4: 2,468,365 km (0.074 R)
• M5: 3,950,880 km (0.047 R)
• M6: 4,606,567 km (0.057 R)
• M7: 5,096,351 km (0.092 R)
• M8: 5,662,429 km (0.05 R)
• M9: 7,464,186 km (0.107 R)
• M10: 7,876,627 km (0.067 R)
• M11: 8,386,307 km (0.093 R)
• M12: 9,148,508 km (0.081 R)
• M13: 9,561,548 km (0.078 R)
• M14: 10,017,971 km (0.116 R)
• M15: 11,306,757 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 12.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.18 AU - 1.92 AU

Year: 1332 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,129,218 km

• M1: 178,321 km (0.09 R)
• M2: 581,487 km (0.068 R)
• M3: 1,165,517 km (0.054 R)
• M4: 1,625,979 km (0.103 R)
• M5: 2,066,994 km (0.104 R)
• M6: 2,970,715 km (0.084 R)
• M7: 3,818,037 km (0.111 R)
• M8: 4,705,152 km (0.104 R)
• M9: 7,214,357 km (0.101 R)
• M10: 9,307,381 km (0.095 R)
• M11: 10,843,153 km (0.094 R)
• M12: 11,390,831 km (0.036 R)
• M13: 12,101,421 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 12.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.44 AU - 4 AU

Year: 4953 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,129,218 km

• M1: 153,188 km (0.034 R)
• M2: 536,308 km (0.079 R)
• M3: 1,033,721 km (0.092 R)
• M4: 1,691,653 km (0.092 R)
• M5: 2,942,441 km (0.107 R)
• M6: 3,597,081 km (0.043 R)
• M7: 4,161,663 km (0.034 R)
• M8: 4,660,273 km (0.038 R)
• M9: 5,198,526 km (0.102 R)
• M10: 5,636,249 km (0.053 R)
• M11: 6,617,462 km (0.051 R)
• M12: 7,779,239 km (0.1 R)
• M13: 10,038,765 km (0.115 R)
• M14: 10,763,866 km (0.068 R)
• M15: 11,161,796 km (0.08 R)
• M16: 11,569,451 km (0.085 R)
• M17: 12,366,807 km (0.105 R)
• M18: 17,211,684 km (0.117 R)
• M19: 18,564,198 km (0.08 R)
• M20: 19,854,330 km (0.056 R)
• M21: 20,792,309 km (0.105 R)
• M22: 25,460,510 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.3 AU - 4.34 AU

Year: 5154 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,129,218 km

• M1: 157,078 km (0.03 R)
• M2: 905,516 km (0.088 R)
• M3: 1,458,430 km (0.093 R)
• M4: 1,896,303 km (0.031 R)
• M5: 2,465,074 km (0.108 R)
• M6: 5,832,223 km (0.077 R)
• M7: 6,986,071 km (0.108 R)
• M8: 7,525,072 km (0.102 R)
• M9: 9,453,089 km (0.09 R)
• M10: 11,201,440 km (0.085 R)
• M11: 12,408,994 km (0.087 R)
• M12: 13,246,143 km (0.048 R)
• M13: 17,028,875 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 14.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.08 AU - 6.08 AU

Year: 7903 Days

Day: 13.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,129,218 km

• M1: 180,265 km (0.118 R)
• M2: 700,567 km (0.115 R)
• M3: 1,191,547 km (0.065 R)
• M4: 1,691,653 km (0.09 R)
• M5: 2,190,262 km (0.103 R)
• M6: 2,751,105 km (0.086 R)
• M7: 3,671,581 km (0.097 R)
• M8: 4,419,121 km (0.101 R)
• M9: 5,066,132 km (0.066 R)
• M10: 5,900,290 km (0.073 R)
• M11: 6,894,068 km (0.075 R)
• M12: 9,044,687 km (0.106 R)
• M13: 12,270,765 km (0.073 R)
• M14: 14,457,587 km (0.097 R)
• M15: 16,322,923 km (0.082 R)
• M16: 17,940,225 km (0.113 R)
• M17: 23,035,978 km (0.06 R)
• M18: 31,100,799 km (0.103 R)
• M19: 34,194,034 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 19,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit