🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 11.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.56 AU - 0.92 AU

Year: 439 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,270,657 km

• M1: 144,212 km (0.103 R)
• M2: 575,204 km (0.111 R)
• M3: 945,159 km (0.118 R)
• M4: 1,554,621 km (0.089 R)
• M5: 2,125,187 km (0.099 R)
• M6: 2,831,738 km (0.054 R)
• M7: 3,308,806 km (0.118 R)
• M8: 4,165,553 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 12.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.9 AU - 1.22 AU

Year: 753 Days

Day: 13.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,270,657 km

• M1: 160,818 km (0.083 R)
• M2: 603,029 km (0.079 R)
• M3: 1,164,919 km (0.064 R)
• M4: 1,570,030 km (0.108 R)
• M5: 2,169,768 km (0.065 R)
• M6: 2,669,125 km (0.072 R)
• M7: 3,404,848 km (0.06 R)
• M8: 3,903,308 km (0.076 R)
• M9: 4,950,044 km (0.085 R)
• M10: 5,574,765 km (0.092 R)
• M11: 6,679,695 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 9.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1 AU - 1.2 AU

Year: 796 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,270,657 km

• M1: 121,922 km (0.099 R)
• M2: 529,128 km (0.051 R)
• M3: 855,849 km (0.058 R)
• M4: 1,369,718 km (0.084 R)
• M5: 1,742,666 km (0.067 R)
• M6: 3,303,420 km (0.117 R)
• M7: 4,512,321 km (0.059 R)
• M8: 5,122,231 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.3

Radius: 11.8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.89 AU - 1.35 AU

Year: 818 Days

Day: 8.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,270,657 km

• M1: 147,055 km (0.109 R)
• M2: 640,578 km (0.096 R)
• M3: 1,153,699 km (0.076 R)
• M4: 1,568,833 km (0.118 R)
• M5: 2,018,973 km (0.045 R)
• M6: 2,436,650 km (0.049 R)
• M7: 3,770,914 km (0.088 R)
• M8: 4,331,008 km (0.103 R)
• M9: 6,086,838 km (0.072 R)
• M10: 6,687,324 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.6

Radius: 12.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.11 AU - 1.49 AU

Year: 1023 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,270,657 km

• M1: 155,432 km (0.11 R)
• M2: 550,819 km (0.075 R)
• M3: 1,033,272 km (0.047 R)
• M4: 1,493,735 km (0.099 R)
• M5: 2,029,894 km (0.048 R)
• M6: 2,568,895 km (0.103 R)
• M7: 3,481,142 km (0.115 R)
• M8: 4,037,946 km (0.076 R)
• M9: 4,489,432 km (0.044 R)
• M10: 5,250,436 km (0.093 R)
• M11: 5,897,896 km (0.108 R)
• M12: 7,660,159 km (0.074 R)
• M13: 8,719,162 km (0.118 R)
• M14: 9,239,912 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.1

Radius: 8

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.75 AU - 2.29 AU

Year: 1982 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,270,657 km

• M1: 99,782 km (0.09 R)
• M2: 365,767 km (0.112 R)
• M3: 866,321 km (0.109 R)
• M4: 1,168,509 km (0.105 R)
• M5: 1,521,410 km (0.107 R)
• M6: 2,064,899 km (0.116 R)
• M7: 3,735,160 km (0.05 R)
• M8: 4,158,671 km (0.095 R)
• M9: 4,528,776 km (0.081 R)
• M10: 5,033,520 km (0.093 R)
• M11: 5,406,317 km (0.113 R)
• M12: 5,697,884 km (0.103 R)
• M13: 5,974,341 km (0.073 R)
• M14: 6,392,616 km (0.117 R)
• M15: 7,704,590 km (0.106 R)
• M16: 8,684,456 km (0.106 R)
• M17: 9,959,927 km (0.043 R)
• M18: 10,214,692 km (0.109 R)
• M19: 11,160,001 km (0.118 R)
• M20: 13,311,219 km (0.076 R)
• M21: 14,577,265 km (0.027 R)
• M22: 16,624,063 km (0.106 R)
• M23: 17,138,381 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.56 AU - 2.84 AU

Year: 3062 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,270,657 km

• M1: 170,542 km (0.111 R)
• M2: 613,800 km (0.085 R)
• M3: 1,085,183 km (0.095 R)
• M4: 1,681,181 km (0.077 R)
• M5: 2,316,673 km (0.057 R)
• M6: 3,005,122 km (0.046 R)
• M7: 3,454,963 km (0.058 R)
• M8: 4,583,828 km (0.044 R)
• M9: 5,542,751 km (0.084 R)
• M10: 6,750,604 km (0.105 R)
• M11: 7,758,146 km (0.037 R)
• M12: 10,964,178 km (0.062 R)
• M13: 11,472,810 km (0.084 R)
• M14: 12,583,126 km (0.081 R)
• M15: 13,235,522 km (0.115 R)
• M16: 14,608,232 km (0.06 R)
• M17: 16,731,026 km (0.083 R)
• M18: 17,982,562 km (0.079 R)
• M19: 18,871,173 km (0.08 R)
• M20: 21,845,627 km (0.084 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 20,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit