🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.51 AU - 0.57 AU

Year: 114 Days

Day: 33.3 Hours

Environment

Temp: 399 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.56 AU - 0.62 AU

Year: 130 Days

Day: 12.4 Hours

Environment

Temp: 361 °C

Axial Tilt: 68 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.08 AU - 1.66 AU

Year: 462 Days

Day: 41.2 Hours

Environment

Temp: 205 °C

Axial Tilt: 97.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.4 AU - 3.36 AU

Year: 1407 Days

Day: 15.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,133,886 km

• M1: 89,160 km (0.048 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.13 AU - 6.09 AU

Year: 3325 Days

Day: 38.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.73 AU - 6.55 AU

Year: 3856 Days

Day: 22.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.64 AU - 9.56 AU

Year: 6636 Days

Day: 46 Hours

Environment

Temp: -110 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 13.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.65 AU - 17.77 AU

Year: 16240 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,133,886 km

• M1: 169,644 km (0.093 R)
• M2: 757,414 km (0.062 R)
• M3: 1,217,577 km (0.065 R)
• M4: 1,777,372 km (0.03 R)
• M5: 2,507,560 km (0.091 R)
• M6: 3,054,938 km (0.09 R)
• M7: 10,689,516 km (0.108 R)
• M8: 11,737,150 km (0.113 R)
• M9: 12,374,287 km (0.113 R)
• M10: 12,912,690 km (0.115 R)
• M11: 13,592,014 km (0.05 R)
• M12: 14,556,471 km (0.067 R)
• M13: 18,409,963 km (0.078 R)
• M14: 22,629,819 km (0.118 R)
• M15: 28,786,669 km (0.113 R)
• M16: 35,137,548 km (0.113 R)
• M17: 35,976,792 km (0.052 R)
• M18: 36,584,309 km (0.102 R)
• M19: 48,283,760 km (0.094 R)
• M20: 49,171,923 km (0.043 R)

Kuiper Belt

Range: 38.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 12,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit