🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.48 AU - 0.66 AU

Year: 162 Days

Day: 37.1 Hours

Environment

Temp: 219 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,108,747 km

• M1: 155,133 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.66 AU - 0.76 AU

Year: 225 Days

Day: 16.9 Hours

Environment

Temp: 167 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.81 AU - 1.17 AU

Year: 371 Days

Day: 44.9 Hours

Environment

Temp: 25 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,108,747 km

• M1: 272,119 km (0.029 R)

Asteroid Belt

Center: 3.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.3

Radius: 10.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.24 AU - 8.54 AU

Year: 6813 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,108,747 km

• M1: 134,339 km (0.039 R)
• M2: 713,881 km (0.097 R)
• M3: 1,229,844 km (0.099 R)
• M4: 1,748,650 km (0.103 R)
• M5: 2,359,757 km (0.091 R)
• M6: 3,616,080 km (0.106 R)
• M7: 4,056,645 km (0.063 R)
• M8: 5,244,752 km (0.12 R)
• M9: 8,177,917 km (0.096 R)
• M10: 9,360,339 km (0.113 R)
• M11: 9,837,406 km (0.069 R)
• M12: 10,514,187 km (0.086 R)
• M13: 12,995,866 km (0.059 R)
• M14: 13,645,121 km (0.099 R)
• M15: 15,067,198 km (0.079 R)
• M16: 16,523,085 km (0.111 R)
• M17: 18,270,687 km (0.059 R)
• M18: 18,675,200 km (0.09 R)
• M19: 26,329,674 km (0.111 R)
• M20: 27,019,769 km (0.11 R)
• M21: 29,994,373 km (0.108 R)
• M22: 31,705,773 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 4.5

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 12.66 AU - 19.06 AU

Year: 23795 Days

Day: 19 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,108,747 km

• M1: 56,099 km (0.109 R)
• M2: 272,567 km (0.08 R)
• M3: 582,833 km (0.081 R)
• M4: 812,466 km (0.089 R)
• M5: 1,050,476 km (0.107 R)
• M6: 1,262,008 km (0.076 R)
• M7: 1,566,140 km (0.117 R)
• M8: 1,824,944 km (0.11 R)
• M9: 2,111,873 km (0.091 R)
• M10: 2,563,210 km (0.118 R)
• M11: 2,923,142 km (0.105 R)
• M12: 3,076,331 km (0.077 R)
• M13: 3,625,953 km (0.068 R)
• M14: 7,527,466 km (0.083 R)
• M15: 11,368,989 km (0.095 R)
• M16: 12,006,875 km (0.09 R)
• M17: 13,076,350 km (0.089 R)
• M18: 13,847,676 km (0.117 R)
• M19: 14,427,219 km (0.106 R)
• M20: 17,822,492 km (0.112 R)
• M21: 20,857,085 km (0.051 R)
• M22: 22,793,779 km (0.097 R)
• M23: 24,011,655 km (0.047 R)
• M24: 24,322,819 km (0.104 R)
• M25: 24,847,309 km (0.026 R)
• M26: 26,355,854 km (0.038 R)
• M27: 39,953,253 km (0.11 R)
• M28: 60,782,662 km (0.111 R)
• M29: 62,918,920 km (0.086 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: 520 - 18,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit