🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.61 AU - 1.75 AU

Year: 825 Days

Day: 38.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,979,540 km

• M1: 575,353 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 8.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.27 AU - 5.11 AU

Year: 3847 Days

Day: 10.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,979,540 km

• M1: 113,545 km (0.093 R)
• M2: 512,971 km (0.118 R)
• M3: 1,003,054 km (0.089 R)
• M4: 1,403,826 km (0.094 R)
• M5: 3,778,393 km (0.11 R)
• M6: 4,453,080 km (0.101 R)
• M7: 4,793,116 km (0.062 R)
• M8: 5,077,651 km (0.099 R)
• M9: 6,143,087 km (0.116 R)
• M10: 8,762,396 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 9.8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.07 AU - 6.19 AU

Year: 5060 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,979,540 km

• M1: 121,922 km (0.107 R)
• M2: 747,092 km (0.096 R)
• M3: 1,449,155 km (0.101 R)
• M4: 2,263,715 km (0.105 R)
• M5: 2,773,096 km (0.044 R)
• M6: 3,295,342 km (0.099 R)
• M7: 3,613,237 km (0.107 R)
• M8: 4,824,681 km (0.091 R)
• M9: 5,465,109 km (0.102 R)
• M10: 6,352,374 km (0.115 R)
• M11: 7,052,642 km (0.113 R)
• M12: 7,766,523 km (0.055 R)
• M13: 8,141,266 km (0.09 R)
• M14: 14,400,141 km (0.1 R)
• M15: 14,795,229 km (0.069 R)
• M16: 15,197,498 km (0.095 R)
• M17: 16,265,477 km (0.093 R)
• M18: 17,192,984 km (0.077 R)
• M19: 17,895,346 km (0.082 R)
• M20: 19,493,949 km (0.113 R)
• M21: 26,172,447 km (0.108 R)
• M22: 29,838,941 km (0.104 R)
• M23: 30,666,965 km (0.115 R)
• M24: 31,321,456 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 10.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7 AU - 9.48 AU

Year: 8959 Days

Day: 11.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,979,540 km

• M1: 131,796 km (0.086 R)
• M2: 609,163 km (0.088 R)
• M3: 1,141,133 km (0.076 R)
• M4: 1,480,720 km (0.099 R)
• M5: 1,837,211 km (0.11 R)
• M6: 2,529,700 km (0.096 R)
• M7: 3,064,064 km (0.067 R)
• M8: 3,972,571 km (0.088 R)
• M9: 4,525,934 km (0.085 R)
• M10: 5,182,818 km (0.115 R)
• M11: 7,103,954 km (0.083 R)
• M12: 7,956,213 km (0.112 R)
• M13: 8,352,049 km (0.084 R)
• M14: 11,963,940 km (0.102 R)
• M15: 13,118,985 km (0.099 R)
• M16: 15,874,728 km (0.08 R)
• M17: 16,503,637 km (0.065 R)
• M18: 16,912,338 km (0.097 R)
• M19: 17,689,499 km (0.113 R)
• M20: 19,443,983 km (0.116 R)
• M21: 26,499,168 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit