🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.2

Radius: 13.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.48 AU - 0.54 AU

Year: 243 Days

Day: 6.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 91.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,840,564 km

• M1: 171,589 km (0.046 R)
• M2: 666,608 km (0.095 R)
• M3: 1,227,451 km (0.081 R)
• M4: 1,880,744 km (0.081 R)
• M5: 2,487,813 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 11.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.04 AU - 1.3 AU

Year: 844 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,840,564 km

• M1: 148,102 km (0.096 R)
• M2: 576,700 km (0.119 R)
• M3: 1,023,698 km (0.11 R)
• M4: 1,401,882 km (0.08 R)
• M5: 1,813,575 km (0.078 R)
• M6: 2,621,553 km (0.108 R)
• M7: 3,093,534 km (0.102 R)
• M8: 4,185,748 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 11.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.69 AU - 2.37 AU

Year: 1929 Days

Day: 5.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,840,564 km

• M1: 143,016 km (0.091 R)
• M2: 526,884 km (0.082 R)
• M3: 944,860 km (0.097 R)
• M4: 2,199,986 km (0.048 R)
• M5: 2,870,933 km (0.09 R)
• M6: 3,713,169 km (0.072 R)
• M7: 4,322,481 km (0.044 R)
• M8: 4,853,703 km (0.117 R)
• M9: 5,411,254 km (0.071 R)
• M10: 5,830,128 km (0.072 R)
• M11: 6,441,684 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 8.6

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.66 AU - 3.3 AU

Year: 3430 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,840,564 km

• M1: 107,561 km (0.114 R)
• M2: 804,089 km (0.11 R)
• M3: 1,374,206 km (0.053 R)
• M4: 2,348,687 km (0.119 R)
• M5: 2,897,860 km (0.101 R)
• M6: 3,472,316 km (0.096 R)
• M7: 5,292,473 km (0.118 R)
• M8: 5,983,017 km (0.12 R)
• M9: 6,350,130 km (0.116 R)
• M10: 11,486,573 km (0.103 R)
• M11: 12,323,274 km (0.073 R)
• M12: 12,687,395 km (0.068 R)
• M13: 13,485,201 km (0.064 R)
• M14: 16,459,805 km (0.11 R)
• M15: 17,809,327 km (0.112 R)
• M16: 18,275,175 km (0.09 R)
• M17: 20,220,247 km (0.105 R)
• M18: 22,098,597 km (0.1 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: 544 - 19,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit