🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 8.1

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.46 AU - 0.62 AU

Year: 279 Days

Day: 13 Hours

Environment

Temp: -153 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,841,767 km

• M1: 100,679 km (0.117 R)
• M2: 405,261 km (0.084 R)
• M3: 713,283 km (0.045 R)
• M4: 1,249,890 km (0.055 R)
• M5: 1,630,916 km (0.032 R)
• M6: 1,897,200 km (0.065 R)
• M7: 2,160,044 km (0.081 R)
• M8: 2,465,074 km (0.047 R)
• M9: 2,741,231 km (0.061 R)
• M10: 3,236,999 km (0.053 R)
• M11: 3,615,182 km (0.116 R)
• M12: 3,923,952 km (0.118 R)
• M13: 4,302,285 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 10.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.88 AU - 1.44 AU

Year: 878 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,841,767 km

• M1: 125,662 km (0.114 R)
• M2: 674,686 km (0.106 R)
• M3: 1,065,137 km (0.1 R)
• M4: 1,889,421 km (0.079 R)
• M5: 2,345,994 km (0.044 R)
• M6: 2,781,623 km (0.076 R)
• M7: 3,257,942 km (0.112 R)
• M8: 3,618,922 km (0.081 R)
• M9: 4,021,640 km (0.027 R)
• M10: 4,832,610 km (0.081 R)
• M11: 5,286,041 km (0.114 R)
• M12: 6,298,968 km (0.069 R)
• M13: 6,755,541 km (0.099 R)
• M14: 7,278,684 km (0.074 R)
• M15: 7,688,583 km (0.097 R)
• M16: 8,041,933 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.4

Radius: 12.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.28 AU - 1.72 AU

Year: 1291 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,841,767 km

• M1: 156,629 km (0.101 R)
• M2: 572,661 km (0.063 R)
• M3: 1,006,943 km (0.079 R)
• M4: 1,782,159 km (0.037 R)
• M5: 2,345,695 km (0.11 R)
• M6: 2,950,369 km (0.078 R)
• M7: 3,701,201 km (0.099 R)
• M8: 4,130,397 km (0.081 R)
• M9: 4,926,407 km (0.072 R)
• M10: 5,741,865 km (0.049 R)
• M11: 6,277,276 km (0.069 R)
• M12: 6,756,289 km (0.099 R)
• M13: 7,353,783 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 11.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.55 AU - 1.95 AU

Year: 1627 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,841,767 km

• M1: 146,905 km (0.071 R)
• M2: 515,065 km (0.086 R)
• M3: 972,536 km (0.117 R)
• M4: 1,502,112 km (0.057 R)
• M5: 2,147,627 km (0.066 R)
• M6: 3,315,837 km (0.079 R)
• M7: 4,144,310 km (0.047 R)
• M8: 4,910,849 km (0.083 R)
• M9: 5,627,722 km (0.077 R)
• M10: 6,516,334 km (0.093 R)
• M11: 6,913,217 km (0.112 R)
• M12: 7,697,409 km (0.074 R)
• M13: 8,171,784 km (0.102 R)
• M14: 9,746,750 km (0.099 R)
• M15: 10,480,528 km (0.101 R)
• M16: 11,250,657 km (0.084 R)
• M17: 11,979,648 km (0.045 R)
• M18: 13,404,568 km (0.065 R)
• M19: 14,985,219 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 11.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3 AU - 3.06 AU

Year: 3707 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,841,767 km

• M1: 140,472 km (0.118 R)
• M2: 1,500,167 km (0.103 R)
• M3: 2,505,316 km (0.1 R)
• M4: 3,809,360 km (0.05 R)
• M5: 4,494,668 km (0.112 R)
• M6: 5,929,910 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.1

Radius: 5.6

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.88 AU - 6.32 AU

Year: 10590 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,841,767 km

• M1: 75,697 km (0.108 R)
• M2: 631,901 km (0.114 R)
• M3: 1,259,464 km (0.091 R)
• M4: 1,620,743 km (0.08 R)
• M5: 2,015,682 km (0.092 R)
• M6: 2,289,296 km (0.118 R)
• M7: 7,147,038 km (0.094 R)
• M8: 7,866,305 km (0.038 R)
• M9: 11,493,604 km (0.071 R)
• M10: 14,615,114 km (0.091 R)
• M11: 15,638,513 km (0.114 R)
• M12: 17,331,811 km (0.084 R)
• M13: 18,994,142 km (0.094 R)
• M14: 20,839,283 km (0.112 R)
• M15: 22,051,175 km (0.109 R)
• M16: 22,632,512 km (0.105 R)
• M17: 24,792,406 km (0.116 R)
• M18: 26,897,248 km (0.082 R)
• M19: 38,985,953 km (0.12 R)
• M20: 41,949,786 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit