🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.53 AU - 0.61 AU

Year: 158 Days

Day: 19.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 48.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.79 AU - 0.93 AU

Year: 293 Days

Day: 32.6 Hours

Environment

Temp: 174 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,804,835 km

• M1: 32,014 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.91 AU - 1.19 AU

Year: 395 Days

Day: 41.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.2 AU - 1.48 AU

Year: 569 Days

Day: 13 Hours

Environment

Temp: -11 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,804,835 km

• M1: 387,458 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.8 AU - 2.54 AU

Year: 1173 Days

Day: 24.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.1

Radius: 4.3

Gravity: 39.38 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 13.96 AU - 15.58 AU

Year: 20837 Days

Day: 21.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,804,835 km

• M1: 53,706 km (0.068 R)
• M2: 236,963 km (0.085 R)
• M3: 710,889 km (0.111 R)
• M4: 974,032 km (0.078 R)
• M5: 1,588,580 km (0.101 R)
• M6: 3,531,707 km (0.057 R)
• M7: 7,176,509 km (0.042 R)
• M8: 8,175,972 km (0.077 R)
• M9: 10,508,652 km (0.094 R)
• M10: 11,859,521 km (0.072 R)
• M11: 15,294,138 km (0.082 R)
• M12: 21,354,198 km (0.119 R)
• M13: 24,689,932 km (0.108 R)
• M14: 25,574,953 km (0.099 R)
• M15: 29,082,574 km (0.114 R)
• M16: 29,944,707 km (0.07 R)
• M17: 40,580,666 km (0.118 R)
• M18: 43,544,948 km (0.083 R)
• M19: 44,998,142 km (0.09 R)
• M20: 54,773,166 km (0.059 R)
• M21: 64,202,021 km (0.066 R)
• M22: 69,080,108 km (0.114 R)
• M23: 70,392,081 km (0.049 R)
• M24: 79,565,871 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 19,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit