🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 9.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.82 AU - 1.16 AU

Year: 680 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,178,558 km

• M1: 116,986 km (0.072 R)
• M2: 464,501 km (0.062 R)
• M3: 1,107,922 km (0.111 R)
• M4: 1,521,560 km (0.045 R)
• M5: 1,983,817 km (0.053 R)
• M6: 2,579,666 km (0.086 R)
• M7: 3,024,420 km (0.11 R)
• M8: 3,651,684 km (0.072 R)
• M9: 3,954,171 km (0.096 R)
• M10: 4,485,543 km (0.102 R)
• M11: 5,232,934 km (0.12 R)
• M12: 5,929,611 km (0.093 R)
• M13: 6,368,681 km (0.107 R)
• M14: 6,727,416 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.2

Radius: 13.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.95 AU - 3.07 AU

Year: 2745 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,178,558 km

• M1: 170,392 km (0.031 R)
• M2: 757,713 km (0.099 R)
• M3: 1,410,858 km (0.066 R)
• M4: 1,940,284 km (0.071 R)
• M5: 3,074,535 km (0.063 R)
• M6: 3,742,340 km (0.068 R)
• M7: 4,400,272 km (0.087 R)
• M8: 5,290,828 km (0.095 R)
• M9: 6,013,386 km (0.067 R)
• M10: 6,661,294 km (0.071 R)
• M11: 8,097,134 km (0.071 R)
• M12: 9,700,524 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 12.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3 AU - 3.22 AU

Year: 3786 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,178,558 km

• M1: 158,275 km (0.111 R)
• M2: 1,164,171 km (0.082 R)
• M3: 1,698,085 km (0.083 R)
• M4: 2,149,721 km (0.116 R)
• M5: 3,359,669 km (0.066 R)
• M6: 3,835,390 km (0.117 R)
• M7: 4,444,403 km (0.06 R)
• M8: 5,176,086 km (0.109 R)
• M9: 5,665,421 km (0.106 R)
• M10: 6,549,694 km (0.099 R)
• M11: 7,147,786 km (0.098 R)
• M12: 7,730,021 km (0.074 R)
• M13: 8,153,533 km (0.037 R)
• M14: 8,592,602 km (0.114 R)
• M15: 9,105,274 km (0.095 R)
• M16: 9,759,765 km (0.108 R)
• M17: 10,445,372 km (0.087 R)
• M18: 11,096,272 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.4

Radius: 14.1

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.41 AU - 4.01 AU

Year: 4933 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,178,558 km

• M1: 175,329 km (0.087 R)
• M2: 780,751 km (0.054 R)
• M3: 1,418,786 km (0.08 R)
• M4: 1,876,406 km (0.114 R)
• M5: 2,421,690 km (0.105 R)
• M6: 3,012,752 km (0.096 R)
• M7: 4,430,191 km (0.066 R)
• M8: 6,918,602 km (0.115 R)
• M9: 10,191,953 km (0.087 R)
• M10: 13,532,324 km (0.085 R)
• M11: 14,557,219 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 18,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit