🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.91 AU - 0.97 AU

Year: 319 Days

Day: 18.1 Hours

Environment

Temp: 108 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.06 AU - 1.46 AU

Year: 495 Days

Day: 22.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.83 AU - 2.75 AU

Year: 1212 Days

Day: 44 Hours

Environment

Temp: -55 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.9 AU - 3.56 AU

Year: 2031 Days

Day: 12.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.19 AU - 5.41 AU

Year: 3679 Days

Day: 48 Hours

Environment

Temp: -130 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.2

Radius: 6.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 16.46 AU - 16.96 AU

Year: 23897 Days

Day: 20 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,907,812 km

• M1: 93,050 km (0.103 R)
• M2: 309,668 km (0.104 R)
• M3: 818,899 km (0.118 R)
• M4: 3,195,710 km (0.063 R)
• M5: 6,329,187 km (0.054 R)
• M6: 10,323,749 km (0.108 R)
• M7: 13,008,881 km (0.053 R)
• M8: 15,352,332 km (0.068 R)
• M9: 23,365,691 km (0.107 R)
• M10: 25,620,431 km (0.099 R)
• M11: 33,567,967 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.9

Radius: 6.4

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 17.42 AU - 23.76 AU

Year: 32686 Days

Day: 20.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,907,812 km

• M1: 80,783 km (0.058 R)
• M2: 345,421 km (0.091 R)
• M3: 706,252 km (0.08 R)
• M4: 1,330,972 km (0.064 R)
• M5: 1,673,851 km (0.118 R)
• M6: 2,205,970 km (0.104 R)
• M7: 2,487,065 km (0.084 R)
• M8: 3,924,700 km (0.09 R)
• M9: 6,762,422 km (0.095 R)
• M10: 7,105,450 km (0.059 R)
• M11: 11,613,582 km (0.049 R)
• M12: 16,121,115 km (0.105 R)
• M13: 17,543,641 km (0.108 R)
• M14: 21,253,669 km (0.115 R)
• M15: 21,462,208 km (0.115 R)
• M16: 53,542,125 km (0.104 R)
• M17: 56,486,211 km (0.069 R)
• M18: 84,539,702 km (0.1 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 15,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit