🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 12.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.59 AU - 0.59 AU

Year: 302 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 122.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,033,541 km

• M1: 155,432 km (0.073 R)
• M2: 559,496 km (0.079 R)
• M3: 1,011,431 km (0.093 R)
• M4: 1,546,692 km (0.111 R)
• M5: 1,977,983 km (0.093 R)
• M6: 2,579,516 km (0.096 R)
• M7: 3,029,357 km (0.071 R)
• M8: 3,486,827 km (0.092 R)
• M9: 3,953,722 km (0.099 R)
• M10: 4,528,926 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.9

Radius: 9.5

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 5 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,033,541 km

• M1: 118,182 km (0.082 R)
• M2: 555,457 km (0.088 R)
• M3: 970,890 km (0.085 R)
• M4: 1,298,210 km (0.081 R)
• M5: 1,878,351 km (0.094 R)
• M6: 2,183,830 km (0.095 R)
• M7: 2,493,198 km (0.103 R)
• M8: 2,810,645 km (0.064 R)
• M9: 3,109,242 km (0.091 R)
• M10: 3,465,883 km (0.112 R)
• M11: 3,984,090 km (0.114 R)
• M12: 4,493,770 km (0.094 R)
• M13: 5,257,019 km (0.072 R)
• M14: 5,575,363 km (0.087 R)
• M15: 6,049,887 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 9.3

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,033,541 km

• M1: 115,639 km (0.051 R)
• M2: 426,803 km (0.109 R)
• M3: 759,957 km (0.07 R)
• M4: 1,278,613 km (0.108 R)
• M5: 1,578,407 km (0.077 R)
• M6: 1,883,587 km (0.105 R)
• M7: 2,352,875 km (0.084 R)
• M8: 2,647,434 km (0.069 R)
• M9: 3,012,901 km (0.048 R)
• M10: 3,324,214 km (0.044 R)
• M11: 3,804,872 km (0.115 R)
• M12: 4,286,727 km (0.117 R)
• M13: 4,682,264 km (0.075 R)
• M14: 5,980,025 km (0.114 R)
• M15: 6,396,955 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.8

Radius: 8.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.31 AU

Year: 759 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,033,541 km

• M1: 105,766 km (0.093 R)
• M2: 377,136 km (0.099 R)
• M3: 832,213 km (0.096 R)
• M4: 1,211,294 km (0.052 R)
• M5: 1,549,385 km (0.047 R)
• M6: 2,000,872 km (0.082 R)
• M7: 2,323,554 km (0.118 R)
• M8: 2,917,158 km (0.065 R)
• M9: 3,214,409 km (0.111 R)
• M10: 4,202,055 km (0.038 R)
• M11: 4,537,603 km (0.066 R)
• M12: 5,147,513 km (0.102 R)
• M13: 5,464,062 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 9.1

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.12 AU - 1.42 AU

Year: 954 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,033,541 km

• M1: 113,246 km (0.109 R)
• M2: 429,944 km (0.11 R)
• M3: 845,976 km (0.119 R)
• M4: 1,156,541 km (0.113 R)
• M5: 1,587,084 km (0.108 R)
• M6: 1,901,389 km (0.098 R)
• M7: 2,220,930 km (0.086 R)
• M8: 2,526,110 km (0.056 R)
• M9: 2,816,180 km (0.114 R)
• M10: 3,175,215 km (0.102 R)
• M11: 4,138,027 km (0.028 R)
• M12: 4,865,072 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 11.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.63 AU - 1.73 AU

Year: 1452 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,033,541 km

• M1: 143,016 km (0.079 R)
• M2: 539,600 km (0.038 R)
• M3: 943,663 km (0.096 R)
• M4: 1,350,869 km (0.12 R)
• M5: 2,436,052 km (0.041 R)
• M6: 3,489,520 km (0.08 R)
• M7: 4,065,921 km (0.033 R)
• M8: 4,626,464 km (0.092 R)
• M9: 5,497,423 km (0.03 R)
• M10: 5,856,757 km (0.074 R)
• M11: 7,108,741 km (0.074 R)
• M12: 8,801,142 km (0.103 R)
• M13: 9,420,776 km (0.116 R)
• M14: 11,784,572 km (0.096 R)
• M15: 12,769,973 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 8.3

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.25 AU - 3.15 AU

Year: 2959 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,033,541 km

• M1: 103,372 km (0.115 R)
• M2: 695,181 km (0.118 R)
• M3: 1,024,895 km (0.116 R)
• M4: 2,511,299 km (0.087 R)
• M5: 3,271,705 km (0.039 R)
• M6: 3,778,543 km (0.112 R)
• M7: 4,709,939 km (0.114 R)
• M8: 10,759,528 km (0.075 R)
• M9: 15,412,171 km (0.049 R)
• M10: 16,037,939 km (0.099 R)
• M11: 16,381,864 km (0.081 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: 417 - 12,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit