🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 8.2

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.66 AU - 0.8 AU

Year: 409 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,865,412 km

• M1: 111,450 km (0.027 R)
• M2: 420,220 km (0.113 R)
• M3: 725,400 km (0.112 R)
• M4: 1,472,342 km (0.088 R)
• M5: 1,765,105 km (0.065 R)
• M6: 2,096,764 km (0.12 R)
• M7: 2,356,316 km (0.055 R)
• M8: 3,129,587 km (0.062 R)
• M9: 3,862,168 km (0.041 R)
• M10: 4,353,896 km (0.074 R)
• M11: 5,330,471 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 13.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.92 AU - 1.04 AU

Year: 636 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,865,412 km

• M1: 172,935 km (0.071 R)
• M2: 612,304 km (0.061 R)
• M3: 1,231,938 km (0.116 R)
• M4: 1,718,431 km (0.051 R)
• M5: 2,261,621 km (0.046 R)
• M6: 3,018,137 km (0.046 R)
• M7: 4,157,474 km (0.098 R)
• M8: 4,711,435 km (0.104 R)
• M9: 6,315,424 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 10.5

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.06 AU - 1.52 AU

Year: 961 Days

Day: 12.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,865,412 km

• M1: 130,599 km (0.105 R)
• M2: 470,934 km (0.08 R)
• M3: 899,831 km (0.086 R)
• M4: 1,357,152 km (0.096 R)
• M5: 1,685,519 km (0.052 R)
• M6: 2,473,302 km (0.062 R)
• M7: 3,402,155 km (0.028 R)
• M8: 5,358,745 km (0.097 R)
• M9: 5,787,942 km (0.109 R)
• M10: 6,373,468 km (0.113 R)
• M11: 6,855,921 km (0.071 R)
• M12: 7,215,255 km (0.075 R)
• M13: 7,739,446 km (0.11 R)
• M14: 8,369,702 km (0.094 R)
• M15: 9,090,464 km (0.098 R)
• M16: 9,732,389 km (0.069 R)
• M17: 10,783,463 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 5.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.24 AU - 12.88 AU

Year: 22512 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,865,412 km

• M1: 175,927 km (0.102 R)
• M2: 407,056 km (0.079 R)
• M3: 1,025,344 km (0.095 R)
• M4: 2,009,399 km (0.108 R)
• M5: 3,455,412 km (0.105 R)
• M6: 3,837,634 km (0.031 R)
• M7: 4,419,420 km (0.088 R)
• M8: 5,791,233 km (0.041 R)
• M9: 5,967,309 km (0.113 R)
• M10: 6,862,653 km (0.053 R)
• M11: 7,260,882 km (0.106 R)
• M12: 8,324,074 km (0.088 R)
• M13: 9,103,629 km (0.067 R)
• M14: 10,967,020 km (0.112 R)
• M15: 11,959,303 km (0.098 R)
• M16: 13,191,091 km (0.065 R)
• M17: 13,744,005 km (0.102 R)
• M18: 15,093,827 km (0.09 R)
• M19: 17,831,169 km (0.096 R)
• M20: 18,279,663 km (0.101 R)
• M21: 23,901,252 km (0.114 R)
• M22: 25,750,730 km (0.056 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 20,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit