🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 12.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.47 AU - 1.59 AU

Year: 1330 Days

Day: 6.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,339,630 km

• M1: 157,975 km (0.059 R)
• M2: 622,477 km (0.092 R)
• M3: 1,234,033 km (0.107 R)
• M4: 1,717,982 km (0.077 R)
• M5: 2,787,308 km (0.081 R)
• M6: 3,229,968 km (0.12 R)
• M7: 3,664,400 km (0.082 R)
• M8: 4,717,718 km (0.084 R)
• M9: 5,209,596 km (0.107 R)
• M10: 5,791,831 km (0.11 R)
• M11: 6,621,950 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 12.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.38 AU - 3.22 AU

Year: 3293 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,339,630 km

• M1: 150,495 km (0.053 R)
• M2: 625,319 km (0.094 R)
• M3: 1,043,595 km (0.078 R)
• M4: 1,610,571 km (0.088 R)
• M5: 2,111,275 km (0.101 R)
• M6: 2,573,083 km (0.094 R)
• M7: 3,723,641 km (0.109 R)
• M8: 4,139,672 km (0.078 R)
• M9: 4,726,844 km (0.107 R)
• M10: 5,140,482 km (0.062 R)
• M11: 5,765,801 km (0.056 R)
• M12: 6,499,728 km (0.102 R)
• M13: 7,519,986 km (0.102 R)
• M14: 9,567,981 km (0.064 R)
• M15: 11,181,394 km (0.109 R)
• M16: 11,963,791 km (0.117 R)
• M17: 12,459,707 km (0.081 R)
• M18: 13,110,757 km (0.093 R)
• M19: 13,686,709 km (0.042 R)
• M20: 15,622,506 km (0.109 R)
• M21: 17,967,602 km (0.059 R)
• M22: 18,618,652 km (0.086 R)
• M23: 21,381,425 km (0.1 R)
• M24: 23,136,807 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 13.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.81 AU - 4.15 AU

Year: 4563 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,339,630 km

• M1: 186,249 km (0.071 R)
• M2: 998,715 km (0.092 R)
• M3: 1,513,033 km (0.094 R)
• M4: 2,343,600 km (0.104 R)
• M5: 3,117,620 km (0.061 R)
• M6: 3,917,519 km (0.108 R)
• M7: 4,693,783 km (0.102 R)
• M8: 5,746,353 km (0.08 R)
• M9: 7,120,559 km (0.104 R)
• M10: 7,720,746 km (0.028 R)
• M11: 8,982,155 km (0.107 R)
• M12: 11,717,403 km (0.092 R)
• M13: 12,205,541 km (0.102 R)
• M14: 18,315,267 km (0.045 R)
• M15: 19,784,468 km (0.082 R)
• M16: 21,331,011 km (0.071 R)
• M17: 21,839,644 km (0.104 R)
• M18: 23,645,140 km (0.065 R)
• M19: 25,629,706 km (0.069 R)
• M20: 26,956,639 km (0.118 R)
• M21: 28,068,151 km (0.098 R)
• M22: 29,747,387 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 12.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.92 AU - 4.06 AU

Year: 4583 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,339,630 km

• M1: 154,385 km (0.086 R)
• M2: 589,416 km (0.099 R)
• M3: 1,210,396 km (0.089 R)
• M4: 1,605,634 km (0.107 R)
• M5: 2,366,190 km (0.069 R)
• M6: 3,453,317 km (0.112 R)
• M7: 4,338,937 km (0.082 R)
• M8: 6,905,887 km (0.091 R)
• M9: 7,950,678 km (0.115 R)
• M10: 9,651,157 km (0.046 R)
• M11: 11,446,182 km (0.06 R)
• M12: 12,858,236 km (0.098 R)
• M13: 16,139,366 km (0.119 R)
• M14: 16,774,708 km (0.115 R)
• M15: 18,844,993 km (0.06 R)
• M16: 20,272,157 km (0.102 R)
• M17: 21,980,116 km (0.107 R)
• M18: 22,833,123 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.3

Radius: 4

Gravity: 24.52 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.68 AU - 7.22 AU

Year: 10202 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,339,630 km

• M1: 50,414 km (0.109 R)
• M2: 211,681 km (0.099 R)
• M3: 407,056 km (0.081 R)
• M4: 613,650 km (0.104 R)
• M5: 1,524,103 km (0.111 R)
• M6: 1,913,955 km (0.099 R)
• M7: 2,628,285 km (0.063 R)
• M8: 2,826,502 km (0.111 R)
• M9: 3,412,028 km (0.105 R)
• M10: 3,576,287 km (0.103 R)
• M11: 4,936,431 km (0.097 R)
• M12: 7,992,416 km (0.101 R)
• M13: 8,157,273 km (0.08 R)
• M14: 8,324,374 km (0.059 R)
• M15: 10,512,841 km (0.116 R)
• M16: 17,320,441 km (0.092 R)
• M17: 18,016,820 km (0.082 R)
• M18: 19,243,073 km (0.106 R)
• M19: 21,067,419 km (0.089 R)
• M20: 21,461,460 km (0.082 R)
• M21: 22,427,264 km (0.067 R)
• M22: 37,163,402 km (0.111 R)
• M23: 40,339,664 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 17,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit