🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.59 AU - 0.61 AU

Year: 162 Days

Day: 28.7 Hours

Environment

Temp: 225 °C

Axial Tilt: 103.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,584,087 km

• M1: 214,374 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.03 AU - 1.19 AU

Year: 407 Days

Day: 47.6 Hours

Environment

Temp: 100 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,584,087 km

• M1: 625,917 km (0.114 R)
• M2: 892,202 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.76 AU - 2.38 AU

Year: 1037 Days

Day: 15.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,584,087 km

• M1: 312,211 km (0.051 R)
• M2: 776,862 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.75 AU - 2.87 AU

Year: 1223 Days

Day: 13.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,584,087 km

• M1: 37,549 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.29 AU - 2.43 AU

Year: 1263 Days

Day: 22.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.3

Radius: 3.4

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 13.9 AU - 19.92 AU

Year: 24216 Days

Day: 20.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,584,087 km

• M1: 42,785 km (0.089 R)
• M2: 1,447,958 km (0.118 R)
• M3: 2,094,370 km (0.097 R)
• M4: 3,003,776 km (0.075 R)
• M5: 3,926,495 km (0.116 R)
• M6: 4,708,892 km (0.053 R)
• M7: 5,487,100 km (0.033 R)
• M8: 6,051,084 km (0.051 R)
• M9: 6,161,039 km (0.107 R)
• M10: 7,376,222 km (0.108 R)
• M11: 10,165,475 km (0.07 R)
• M12: 10,743,371 km (0.101 R)
• M13: 12,787,327 km (0.077 R)
• M14: 21,026,430 km (0.113 R)
• M15: 26,861,345 km (0.12 R)
• M16: 27,759,680 km (0.084 R)
• M17: 32,891,186 km (0.055 R)
• M18: 34,150,052 km (0.072 R)
• M19: 37,375,532 km (0.083 R)
• M20: 40,928,781 km (0.105 R)
• M21: 48,991,956 km (0.072 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 16,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit