🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.6 AU - 0.84 AU

Year: 223 Days

Day: 24.4 Hours

Environment

Temp: 164 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.63 AU - 0.93 AU

Year: 252 Days

Day: 24.7 Hours

Environment

Temp: 113 °C

Axial Tilt: 9.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.89 AU - 1.07 AU

Year: 354 Days

Day: 40.3 Hours

Environment

Temp: 45 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,716,949 km

• M1: 130,001 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.65 AU - 3.73 AU

Year: 2589 Days

Day: 35.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 102.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 12.5

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.69 AU - 7.49 AU

Year: 6179 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,716,949 km

• M1: 177,722 km (0.096 R)
• M2: 608,265 km (0.029 R)
• M3: 1,357,601 km (0.059 R)
• M4: 2,129,974 km (0.104 R)
• M5: 4,773,070 km (0.115 R)
• M6: 5,307,284 km (0.112 R)
• M7: 5,881,141 km (0.114 R)
• M8: 6,496,138 km (0.091 R)
• M9: 9,137,887 km (0.106 R)
• M10: 9,582,641 km (0.085 R)
• M11: 10,119,698 km (0.072 R)
• M12: 11,380,808 km (0.078 R)
• M13: 12,115,483 km (0.099 R)
• M14: 14,760,971 km (0.068 R)
• M15: 18,818,963 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.3

Radius: 6.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 16.96 AU - 17.3 AU

Year: 25896 Days

Day: 18.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,716,949 km

• M1: 75,846 km (0.04 R)
• M2: 332,855 km (0.103 R)
• M3: 529,876 km (0.1 R)
• M4: 2,509,205 km (0.068 R)
• M5: 3,123,604 km (0.099 R)
• M6: 7,644,900 km (0.089 R)
• M7: 8,224,741 km (0.109 R)
• M8: 8,612,649 km (0.114 R)
• M9: 10,687,421 km (0.079 R)
• M10: 11,517,989 km (0.068 R)
• M11: 13,661,876 km (0.112 R)
• M12: 15,337,522 km (0.112 R)
• M13: 16,057,985 km (0.068 R)
• M14: 21,019,847 km (0.088 R)
• M15: 21,826,329 km (0.086 R)
• M16: 29,134,634 km (0.081 R)
• M17: 29,432,783 km (0.105 R)
• M18: 31,682,136 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 13,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit