🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.48 AU - 0.58 AU

Year: 144 Days

Day: 27.1 Hours

Environment

Temp: 181 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.59 AU - 0.61 AU

Year: 173 Days

Day: 25.1 Hours

Environment

Temp: 173 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.49 AU - 0.73 AU

Year: 178 Days

Day: 24.5 Hours

Environment

Temp: 143 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,200,300 km

• M1: 426,354 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.49 AU - 0.75 AU

Year: 182 Days

Day: 46.3 Hours

Environment

Temp: 167 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,200,300 km

• M1: 40,242 km (0.12 R)
• M2: 150,944 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.6 AU - 0.76 AU

Year: 209 Days

Day: 24.2 Hours

Environment

Temp: 188 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.9 AU - 1.48 AU

Year: 484 Days

Day: 42.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,200,300 km

• M1: 46,675 km (0.062 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.34 AU - 4.04 AU

Year: 2642 Days

Day: 44.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.4

Radius: 6.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 13.38 AU - 15.64 AU

Year: 20604 Days

Day: 24.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,200,300 km

• M1: 81,680 km (0.111 R)
• M2: 810,372 km (0.114 R)
• M3: 1,365,230 km (0.054 R)
• M4: 1,903,184 km (0.069 R)
• M5: 5,055,361 km (0.116 R)
• M6: 8,425,352 km (0.084 R)
• M7: 10,785,109 km (0.085 R)
• M8: 12,145,253 km (0.063 R)
• M9: 23,323,206 km (0.089 R)
• M10: 24,247,870 km (0.114 R)
• M11: 27,269,448 km (0.082 R)
• M12: 32,542,773 km (0.088 R)
• M13: 33,463,548 km (0.104 R)
• M14: 33,813,308 km (0.059 R)
• M15: 34,165,461 km (0.059 R)
• M16: 36,453,112 km (0.086 R)
• M17: 37,823,129 km (0.089 R)
• M18: 41,599,129 km (0.068 R)
• M19: 43,508,746 km (0.066 R)
• M20: 44,625,793 km (0.049 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 11,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit