🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 11.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,796,717 km

• M1: 146,756 km (0.098 R)
• M2: 539,151 km (0.08 R)
• M3: 948,301 km (0.118 R)
• M4: 1,318,256 km (0.04 R)
• M5: 1,927,120 km (0.075 R)
• M6: 2,343,002 km (0.085 R)
• M7: 2,753,798 km (0.067 R)
• M8: 3,233,558 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 9.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.14 AU - 2.36 AU

Year: 2289 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,796,717 km

• M1: 120,576 km (0.066 R)
• M2: 427,252 km (0.071 R)
• M3: 811,568 km (0.107 R)
• M4: 1,191,547 km (0.074 R)
• M5: 1,514,978 km (0.106 R)
• M6: 2,195,050 km (0.065 R)
• M7: 2,786,111 km (0.112 R)
• M8: 5,002,553 km (0.078 R)
• M9: 5,922,131 km (0.059 R)
• M10: 9,499,315 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.5

Radius: 11.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.16 AU - 3.06 AU

Year: 2860 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,796,717 km

• M1: 148,251 km (0.119 R)
• M2: 528,679 km (0.12 R)
• M3: 990,488 km (0.113 R)
• M4: 1,635,254 km (0.076 R)
• M5: 2,077,765 km (0.111 R)
• M6: 2,931,071 km (0.106 R)
• M7: 3,540,383 km (0.087 R)
• M8: 3,930,834 km (0.118 R)
• M9: 4,409,547 km (0.109 R)
• M10: 4,970,090 km (0.099 R)
• M11: 5,577,906 km (0.111 R)
• M12: 6,184,226 km (0.071 R)
• M13: 6,674,159 km (0.102 R)
• M14: 7,557,834 km (0.118 R)
• M15: 8,301,335 km (0.117 R)
• M16: 9,092,858 km (0.077 R)
• M17: 9,557,808 km (0.035 R)
• M18: 10,073,472 km (0.105 R)
• M19: 10,571,334 km (0.113 R)
• M20: 11,085,651 km (0.106 R)
• M21: 13,143,968 km (0.06 R)
• M22: 14,575,470 km (0.057 R)
• M23: 15,492,206 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.8

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.96 AU - 4.44 AU

Year: 5838 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,796,717 km

• M1: 177,872 km (0.115 R)
• M2: 640,129 km (0.064 R)
• M3: 1,094,308 km (0.071 R)
• M4: 1,624,932 km (0.114 R)
• M5: 2,509,205 km (0.071 R)
• M6: 3,170,128 km (0.119 R)
• M7: 3,740,246 km (0.118 R)
• M8: 4,206,393 km (0.082 R)
• M9: 4,979,216 km (0.105 R)
• M10: 6,911,122 km (0.08 R)
• M11: 8,256,606 km (0.087 R)
• M12: 10,662,139 km (0.069 R)
• M13: 11,558,979 km (0.09 R)
• M14: 15,185,829 km (0.114 R)
• M15: 20,280,684 km (0.105 R)
• M16: 20,925,301 km (0.113 R)
• M17: 25,083,973 km (0.109 R)
• M18: 26,246,198 km (0.109 R)
• M19: 27,880,406 km (0.096 R)
• M20: 28,856,980 km (0.094 R)
• M21: 32,116,568 km (0.096 R)
• M22: 32,796,790 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 16,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit