🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.6

Radius: 12.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.62 AU - 0.82 AU

Year: 422 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,096,389 km

• M1: 159,172 km (0.101 R)
• M2: 561,890 km (0.106 R)
• M3: 1,219,671 km (0.116 R)
• M4: 1,817,614 km (0.105 R)
• M5: 2,266,258 km (0.092 R)
• M6: 3,149,933 km (0.116 R)
• M7: 3,600,671 km (0.076 R)
• M8: 4,224,943 km (0.061 R)
• M9: 4,964,555 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 13.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.08 AU - 1.42 AU

Year: 965 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,096,389 km

• M1: 191,934 km (0.066 R)
• M2: 734,526 km (0.081 R)
• M3: 1,360,742 km (0.079 R)
• M4: 1,887,028 km (0.113 R)
• M5: 2,482,876 km (0.086 R)
• M6: 3,022,924 km (0.102 R)
• M7: 4,506,935 km (0.08 R)
• M8: 4,953,634 km (0.086 R)
• M9: 5,777,470 km (0.057 R)
• M10: 6,306,149 km (0.078 R)
• M11: 6,800,570 km (0.108 R)
• M12: 7,941,104 km (0.119 R)
• M13: 8,726,193 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 9.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.41 AU - 6.25 AU

Year: 8494 Days

Day: 9.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,096,389 km

• M1: 118,182 km (0.119 R)
• M2: 589,864 km (0.119 R)
• M3: 1,056,161 km (0.117 R)
• M4: 1,976,637 km (0.115 R)
• M5: 3,103,857 km (0.113 R)
• M6: 4,014,758 km (0.091 R)
• M7: 4,398,925 km (0.098 R)
• M8: 5,860,796 km (0.079 R)
• M9: 8,750,428 km (0.115 R)
• M10: 9,576,807 km (0.07 R)
• M11: 9,940,031 km (0.095 R)
• M12: 10,406,925 km (0.064 R)
• M13: 11,536,389 km (0.067 R)
• M14: 12,475,864 km (0.099 R)
• M15: 14,212,097 km (0.092 R)
• M16: 17,544,389 km (0.112 R)
• M17: 18,088,926 km (0.12 R)
• M18: 18,644,682 km (0.097 R)
• M19: 19,644,594 km (0.11 R)
• M20: 23,020,270 km (0.09 R)
• M21: 26,231,089 km (0.092 R)
• M22: 28,592,641 km (0.108 R)
• M23: 29,346,913 km (0.077 R)
• M24: 33,215,066 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.9

Radius: 3.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.29 AU - 9.63 AU

Year: 16985 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,096,389 km

• M1: 46,076 km (0.1 R)
• M2: 185,053 km (0.084 R)
• M3: 541,095 km (0.035 R)
• M4: 1,004,699 km (0.098 R)
• M5: 1,449,903 km (0.117 R)
• M6: 3,299,979 km (0.097 R)
• M7: 3,486,827 km (0.108 R)
• M8: 4,598,190 km (0.103 R)
• M9: 6,931,468 km (0.094 R)
• M10: 8,803,236 km (0.108 R)
• M11: 10,701,035 km (0.117 R)
• M12: 14,773,239 km (0.045 R)
• M13: 16,984,145 km (0.105 R)
• M14: 17,205,550 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533

Radius: 5.9

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.16 AU - 9.12 AU

Year: 17530 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,096,389 km

• M1: 73,303 km (0.093 R)
• M2: 593,305 km (0.054 R)
• M3: 2,353,324 km (0.098 R)
• M4: 4,263,689 km (0.066 R)
• M5: 4,583,529 km (0.07 R)
• M6: 4,953,485 km (0.081 R)
• M7: 6,143,985 km (0.066 R)
• M8: 7,198,201 km (0.105 R)
• M9: 10,551,886 km (0.091 R)
• M10: 12,629,800 km (0.107 R)
• M11: 13,971,544 km (0.105 R)
• M12: 16,856,688 km (0.049 R)
• M13: 17,493,825 km (0.09 R)
• M14: 18,731,897 km (0.094 R)
• M15: 19,502,027 km (0.042 R)
• M16: 21,380,976 km (0.095 R)
• M17: 21,752,129 km (0.093 R)
• M18: 26,546,441 km (0.088 R)
• M19: 33,347,310 km (0.079 R)
• M20: 34,477,223 km (0.087 R)
• M21: 35,632,567 km (0.078 R)
• M22: 40,230,009 km (0.104 R)
• M23: 42,524,092 km (0.056 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 11,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit