🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 14.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.68 AU - 1 AU

Year: 522 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,343,654 km

• M1: 184,155 km (0.115 R)
• M2: 687,103 km (0.114 R)
• M3: 1,249,741 km (0.112 R)
• M4: 1,810,284 km (0.064 R)
• M5: 2,907,135 km (0.075 R)
• M6: 3,820,580 km (0.113 R)
• M7: 4,902,322 km (0.087 R)
• M8: 5,602,291 km (0.116 R)
• M9: 6,638,854 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 8.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.89 AU - 1.03 AU

Year: 638 Days

Day: 13.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,343,654 km

• M1: 113,994 km (0.051 R)
• M2: 430,094 km (0.061 R)
• M3: 799,002 km (0.094 R)
• M4: 1,088,175 km (0.116 R)
• M5: 1,454,390 km (0.057 R)
• M6: 1,856,659 km (0.112 R)
• M7: 2,195,498 km (0.108 R)
• M8: 2,650,725 km (0.111 R)
• M9: 3,786,322 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 13

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.73 AU - 2.01 AU

Year: 1734 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,343,654 km

• M1: 161,715 km (0.102 R)
• M2: 713,731 km (0.119 R)
• M3: 1,385,426 km (0.092 R)
• M4: 2,010,296 km (0.086 R)
• M5: 2,769,505 km (0.077 R)
• M6: 3,216,653 km (0.116 R)
• M7: 4,275,358 km (0.105 R)
• M8: 5,553,971 km (0.073 R)
• M9: 6,144,284 km (0.066 R)
• M10: 7,475,256 km (0.054 R)
• M11: 8,990,234 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 10

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.91 AU - 2.27 AU

Year: 2049 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,343,654 km

• M1: 124,316 km (0.115 R)
• M2: 484,398 km (0.116 R)
• M3: 1,010,982 km (0.09 R)
• M4: 1,402,779 km (0.114 R)
• M5: 2,042,759 km (0.112 R)
• M6: 2,626,490 km (0.066 R)
• M7: 3,027,861 km (0.062 R)
• M8: 4,378,281 km (0.108 R)
• M9: 6,112,120 km (0.111 R)
• M10: 6,739,833 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 11.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.16 AU - 3.12 AU

Year: 2909 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,343,654 km

• M1: 147,803 km (0.075 R)
• M2: 577,897 km (0.085 R)
• M3: 1,066,483 km (0.107 R)
• M4: 1,448,407 km (0.115 R)
• M5: 2,937,653 km (0.09 R)
• M6: 4,130,547 km (0.114 R)
• M7: 5,443,268 km (0.061 R)
• M8: 6,749,706 km (0.095 R)
• M9: 10,010,940 km (0.107 R)
• M10: 12,485,139 km (0.106 R)
• M11: 17,361,282 km (0.118 R)
• M12: 19,914,169 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 10,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit