🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.73 AU - 0.75 AU

Year: 230 Days

Day: 15.2 Hours

Environment

Temp: 185 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.03 AU - 1.27 AU

Year: 446 Days

Day: 36.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.37 AU - 1.99 AU

Year: 788 Days

Day: 40.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 12.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.42 AU - 9.54 AU

Year: 8153 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,255,166 km

• M1: 165,605 km (0.102 R)
• M2: 578,645 km (0.074 R)
• M3: 1,092,064 km (0.086 R)
• M4: 1,896,153 km (0.108 R)
• M5: 3,979,154 km (0.072 R)
• M6: 4,864,025 km (0.08 R)
• M7: 6,380,200 km (0.094 R)
• M8: 7,631,137 km (0.099 R)
• M9: 10,614,119 km (0.054 R)
• M10: 11,778,738 km (0.072 R)
• M11: 16,235,707 km (0.096 R)
• M12: 23,080,857 km (0.111 R)
• M13: 24,084,509 km (0.092 R)
• M14: 24,769,817 km (0.102 R)
• M15: 25,556,103 km (0.112 R)
• M16: 28,203,537 km (0.058 R)
• M17: 29,157,373 km (0.108 R)
• M18: 31,738,086 km (0.1 R)
• M19: 33,294,353 km (0.106 R)
• M20: 33,717,864 km (0.037 R)
• M21: 34,252,228 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749

Radius: 6.6

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 11.58 AU - 15.92 AU

Year: 18439 Days

Day: 18.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 154.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,255,166 km

• M1: 82,129 km (0.074 R)
• M2: 427,551 km (0.088 R)
• M3: 640,578 km (0.104 R)
• M4: 1,478,027 km (0.107 R)
• M5: 3,289,657 km (0.093 R)
• M6: 4,936,730 km (0.078 R)
• M7: 8,081,726 km (0.097 R)
• M8: 8,387,953 km (0.103 R)
• M9: 9,298,256 km (0.072 R)
• M10: 10,451,356 km (0.049 R)
• M11: 11,761,684 km (0.117 R)
• M12: 14,931,663 km (0.064 R)
• M13: 16,588,908 km (0.099 R)
• M14: 18,103,886 km (0.09 R)
• M15: 19,708,921 km (0.112 R)
• M16: 20,264,378 km (0.104 R)
• M17: 21,309,768 km (0.09 R)
• M18: 22,590,924 km (0.111 R)
• M19: 24,342,865 km (0.099 R)
• M20: 26,629,468 km (0.11 R)
• M21: 28,231,063 km (0.095 R)
• M22: 30,999,820 km (0.112 R)
• M23: 32,258,238 km (0.088 R)
• M24: 37,774,659 km (0.102 R)
• M25: 44,517,484 km (0.081 R)
• M26: 45,473,115 km (0.09 R)
• M27: 47,260,361 km (0.096 R)
• M28: 56,531,390 km (0.057 R)
• M29: 60,516,827 km (0.11 R)
• M30: 62,876,284 km (0.11 R)
• M31: 69,466,669 km (0.093 R)
• M32: 71,399,922 km (0.089 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 12,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit