🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.9

Radius: 13.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.55 AU - 0.87 AU

Year: 399 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,268,489 km

• M1: 171,738 km (0.083 R)
• M2: 604,525 km (0.108 R)
• M3: 1,230,891 km (0.058 R)
• M4: 2,171,563 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 12.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.66 AU - 1.02 AU

Year: 513 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,268,489 km

• M1: 153,039 km (0.066 R)
• M2: 553,063 km (0.089 R)
• M3: 978,071 km (0.099 R)
• M4: 1,422,077 km (0.106 R)
• M5: 2,106,039 km (0.092 R)
• M6: 2,600,909 km (0.08 R)
• M7: 3,268,265 km (0.079 R)
• M8: 3,882,065 km (0.098 R)
• M9: 5,042,944 km (0.043 R)
• M10: 5,846,883 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 11.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.88 AU - 1.24 AU

Year: 728 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,268,489 km

• M1: 138,079 km (0.071 R)
• M2: 720,613 km (0.098 R)
• M3: 1,274,424 km (0.109 R)
• M4: 1,793,678 km (0.044 R)
• M5: 2,310,838 km (0.087 R)
• M6: 2,813,188 km (0.073 R)
• M7: 3,429,830 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 10.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.04 AU - 1.2 AU

Year: 790 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,268,489 km

• M1: 129,402 km (0.079 R)
• M2: 487,839 km (0.058 R)
• M3: 881,131 km (0.117 R)
• M4: 1,304,194 km (0.077 R)
• M5: 1,672,355 km (0.1 R)
• M6: 2,304,854 km (0.101 R)
• M7: 2,719,988 km (0.046 R)
• M8: 3,623,111 km (0.083 R)
• M9: 3,960,604 km (0.119 R)
• M10: 4,793,864 km (0.097 R)
• M11: 5,704,167 km (0.047 R)
• M12: 6,069,186 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.5

Radius: 6.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.11 AU - 11.63 AU

Year: 19127 Days

Day: 23.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,268,489 km

• M1: 89,310 km (0.102 R)
• M2: 573,857 km (0.115 R)
• M3: 852,259 km (0.109 R)
• M4: 1,100,592 km (0.058 R)
• M5: 1,422,676 km (0.079 R)
• M6: 2,171,862 km (0.105 R)
• M7: 3,093,534 km (0.072 R)
• M8: 3,888,797 km (0.108 R)
• M9: 5,613,211 km (0.069 R)
• M10: 7,592,690 km (0.108 R)
• M11: 9,996,130 km (0.101 R)
• M12: 10,680,390 km (0.089 R)
• M13: 11,871,937 km (0.057 R)
• M14: 13,438,975 km (0.062 R)
• M15: 14,950,512 km (0.062 R)
• M16: 19,107,687 km (0.089 R)
• M17: 21,171,390 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 11,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit