🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.46 AU - 0.76 AU

Year: 177 Days

Day: 12.1 Hours

Environment

Temp: 162 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,933,496 km

• M1: 23,038 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.89 AU

Year: 231 Days

Day: 47 Hours

Environment

Temp: 128 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,933,496 km

• M1: 226,641 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.84 AU - 0.86 AU

Year: 291 Days

Day: 46.1 Hours

Environment

Temp: 75 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.07 AU - 1.21 AU

Year: 451 Days

Day: 32.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.96 AU - 2 AU

Year: 1033 Days

Day: 18.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,933,496 km

• M1: 1,979,479 km (0.108 R)

Asteroid Belt

Center: 7.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.1

Radius: 5

Gravity: 22.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 11.25 AU - 16.23 AU

Year: 18888 Days

Day: 19.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,933,496 km

• M1: 81,980 km (0.059 R)
• M2: 328,667 km (0.101 R)
• M3: 527,183 km (0.084 R)
• M4: 867,817 km (0.081 R)
• M5: 1,724,564 km (0.095 R)
• M6: 1,977,983 km (0.11 R)
• M7: 3,438,806 km (0.101 R)
• M8: 4,637,384 km (0.075 R)
• M9: 4,843,680 km (0.096 R)
• M10: 5,092,162 km (0.114 R)
• M11: 15,012,894 km (0.116 R)
• M12: 19,952,616 km (0.078 R)
• M13: 20,315,840 km (0.088 R)
• M14: 22,785,551 km (0.038 R)
• M15: 27,970,463 km (0.057 R)
• M16: 30,175,835 km (0.084 R)
• M17: 46,836,251 km (0.091 R)
• M18: 54,041,932 km (0.075 R)
• M19: 59,110,756 km (0.03 R)
• M20: 62,725,041 km (0.096 R)
• M21: 65,280,920 km (0.112 R)
• M22: 67,905,615 km (0.067 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 14,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit