🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.2

Radius: 11.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.71 AU - 1.07 AU

Year: 560 Days

Day: 11.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,623,008 km

• M1: 149,747 km (0.047 R)
• M2: 598,391 km (0.073 R)
• M3: 969,843 km (0.056 R)
• M4: 1,702,573 km (0.111 R)
• M5: 2,093,024 km (0.118 R)
• M6: 2,616,616 km (0.053 R)
• M7: 3,106,699 km (0.1 R)
• M8: 4,127,704 km (0.092 R)
• M9: 4,575,600 km (0.069 R)
• M10: 5,803,051 km (0.06 R)
• M11: 6,722,629 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 13.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.05 AU - 2.19 AU

Year: 2058 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,623,008 km

• M1: 164,707 km (0.118 R)
• M2: 578,196 km (0.1 R)
• M3: 1,594,564 km (0.101 R)
• M4: 2,145,832 km (0.09 R)
• M5: 2,566,800 km (0.111 R)
• M6: 3,490,717 km (0.082 R)
• M7: 5,010,481 km (0.115 R)
• M8: 5,658,839 km (0.097 R)
• M9: 6,208,611 km (0.106 R)
• M10: 7,100,214 km (0.097 R)
• M11: 8,154,131 km (0.116 R)
• M12: 8,912,892 km (0.088 R)
• M13: 9,896,946 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.9

Radius: 14

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.75 AU - 2.81 AU

Year: 2296 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,623,008 km

• M1: 174,132 km (0.055 R)
• M2: 741,856 km (0.079 R)
• M3: 1,290,581 km (0.104 R)
• M4: 1,993,990 km (0.054 R)
• M5: 2,559,620 km (0.108 R)
• M6: 3,815,344 km (0.074 R)
• M7: 4,321,583 km (0.04 R)
• M8: 4,813,461 km (0.095 R)
• M9: 5,321,795 km (0.085 R)
• M10: 6,163,432 km (0.034 R)
• M11: 8,112,094 km (0.034 R)
• M12: 8,716,619 km (0.067 R)
• M13: 9,258,463 km (0.084 R)
• M14: 10,848,688 km (0.072 R)
• M15: 12,018,095 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 12.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.66 AU - 3.68 AU

Year: 3764 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,623,008 km

• M1: 150,495 km (0.077 R)
• M2: 550,071 km (0.115 R)
• M3: 1,055,413 km (0.119 R)
• M4: 1,461,272 km (0.109 R)
• M5: 2,067,891 km (0.114 R)
• M6: 2,556,179 km (0.047 R)
• M7: 2,941,543 km (0.079 R)
• M8: 3,747,427 km (0.081 R)
• M9: 5,438,631 km (0.075 R)
• M10: 7,489,617 km (0.094 R)
• M11: 7,899,216 km (0.035 R)
• M12: 12,290,363 km (0.056 R)
• M13: 16,325,765 km (0.079 R)
• M14: 17,309,820 km (0.062 R)
• M15: 21,782,946 km (0.116 R)
• M16: 22,904,032 km (0.089 R)
• M17: 23,624,047 km (0.094 R)
• M18: 25,337,391 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 13.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.56 AU - 3.8 AU

Year: 4708 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,623,008 km

• M1: 162,912 km (0.118 R)
• M2: 605,722 km (0.062 R)
• M3: 1,229,096 km (0.094 R)
• M4: 1,906,625 km (0.085 R)
• M5: 2,823,361 km (0.052 R)
• M6: 4,168,694 km (0.11 R)
• M7: 5,731,244 km (0.059 R)
• M8: 6,753,147 km (0.11 R)
• M9: 7,629,043 km (0.087 R)
• M10: 8,551,164 km (0.084 R)
• M11: 9,365,126 km (0.099 R)
• M12: 9,884,231 km (0.085 R)
• M13: 10,293,979 km (0.103 R)
• M14: 11,801,327 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.3

Radius: 3.1

Gravity: 34.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.69 AU - 7.23 AU

Year: 12245 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,623,008 km

• M1: 39,045 km (0.082 R)
• M2: 490,980 km (0.1 R)
• M3: 679,773 km (0.057 R)
• M4: 786,885 km (0.089 R)
• M5: 994,078 km (0.073 R)
• M6: 1,791,734 km (0.063 R)
• M7: 2,098,559 km (0.056 R)
• M8: 3,989,326 km (0.052 R)
• M9: 4,654,289 km (0.099 R)
• M10: 4,831,413 km (0.102 R)
• M11: 9,766,198 km (0.056 R)
• M12: 10,253,288 km (0.093 R)
• M13: 14,621,696 km (0.062 R)
• M14: 32,067,201 km (0.077 R)
• M15: 33,684,504 km (0.098 R)
• M16: 40,573,785 km (0.03 R)
• M17: 40,697,951 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.5

Radius: 4

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.65 AU - 8.63 AU

Year: 14082 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,623,008 km

• M1: 50,265 km (0.051 R)
• M2: 234,420 km (0.096 R)
• M3: 371,003 km (0.07 R)
• M4: 1,387,221 km (0.096 R)
• M5: 2,619,908 km (0.037 R)
• M6: 2,992,855 km (0.113 R)
• M7: 3,228,172 km (0.084 R)
• M8: 3,925,598 km (0.091 R)
• M9: 4,150,144 km (0.072 R)
• M10: 5,102,484 km (0.062 R)
• M11: 5,969,853 km (0.106 R)
• M12: 6,931,318 km (0.099 R)
• M13: 7,512,506 km (0.067 R)
• M14: 9,058,450 km (0.103 R)
• M15: 9,450,696 km (0.067 R)
• M16: 10,427,869 km (0.055 R)
• M17: 11,078,470 km (0.049 R)
• M18: 12,222,595 km (0.1 R)
• M19: 12,884,117 km (0.116 R)
• M20: 14,017,919 km (0.105 R)
• M21: 16,918,472 km (0.053 R)
• M22: 17,663,619 km (0.075 R)
• M23: 18,430,458 km (0.069 R)
• M24: 21,807,181 km (0.113 R)
• M25: 26,653,853 km (0.082 R)
• M26: 27,457,941 km (0.065 R)
• M27: 28,589,799 km (0.058 R)
• M28: 36,040,820 km (0.118 R)
• M29: 42,070,661 km (0.028 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 19,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit