🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.51 AU - 0.81 AU

Year: 188 Days

Day: 39.6 Hours

Environment

Temp: 231 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,419,510 km

• M1: 78,688 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.06 AU - 1.2 AU

Year: 422 Days

Day: 17.6 Hours

Environment

Temp: 24 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.97 AU - 1.53 AU

Year: 491 Days

Day: 46.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.12 AU - 2.94 AU

Year: 1414 Days

Day: 35.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 11.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.12 AU - 6.82 AU

Year: 5127 Days

Day: 12.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,419,510 km

• M1: 157,078 km (0.116 R)
• M2: 525,238 km (0.108 R)
• M3: 1,077,553 km (0.117 R)
• M4: 2,172,610 km (0.106 R)
• M5: 4,416,728 km (0.093 R)
• M6: 6,244,664 km (0.047 R)
• M7: 7,506,522 km (0.092 R)
• M8: 7,927,042 km (0.049 R)
• M9: 8,475,019 km (0.115 R)
• M10: 9,077,300 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.9

Radius: 6.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 14.71 AU - 23.19 AU

Year: 28993 Days

Day: 21.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,419,510 km

• M1: 76,744 km (0.11 R)
• M2: 352,004 km (0.07 R)
• M3: 2,071,183 km (0.098 R)
• M4: 5,377,445 km (0.116 R)
• M5: 5,611,715 km (0.044 R)
• M6: 6,282,512 km (0.106 R)
• M7: 7,613,933 km (0.055 R)
• M8: 7,824,417 km (0.117 R)
• M9: 9,409,108 km (0.119 R)
• M10: 12,603,471 km (0.12 R)
• M11: 13,748,942 km (0.092 R)
• M12: 21,605,672 km (0.081 R)
• M13: 21,943,464 km (0.063 R)
• M14: 22,803,054 km (0.091 R)
• M15: 26,853,865 km (0.095 R)
• M16: 29,979,413 km (0.112 R)
• M17: 37,303,575 km (0.119 R)
• M18: 41,182,050 km (0.114 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 16,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit