🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.41 AU - 0.61 AU

Year: 127 Days

Day: 32 Hours

Environment

Temp: 287 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.61 AU - 0.81 AU

Year: 209 Days

Day: 24.4 Hours

Environment

Temp: 142 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.72 AU - 0.76 AU

Year: 223 Days

Day: 39.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,627,091 km

• M1: 77,043 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.19 AU - 1.53 AU

Year: 555 Days

Day: 32.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.94 AU - 3.08 AU

Year: 1391 Days

Day: 26.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,627,091 km

• M1: 448,494 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.27 AU - 3.51 AU

Year: 2184 Days

Day: 17 Hours

Environment

Temp: -97 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 12

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.78 AU - 7.96 AU

Year: 6300 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,627,091 km

• M1: 149,299 km (0.073 R)
• M2: 643,420 km (0.063 R)
• M3: 1,127,818 km (0.101 R)
• M4: 1,507,498 km (0.057 R)
• M5: 1,881,642 km (0.11 R)
• M6: 2,349,135 km (0.113 R)
• M7: 2,894,270 km (0.09 R)
• M8: 3,283,972 km (0.111 R)
• M9: 3,858,877 km (0.112 R)
• M10: 4,671,194 km (0.116 R)
• M11: 5,622,187 km (0.119 R)
• M12: 6,416,851 km (0.118 R)
• M13: 7,660,608 km (0.103 R)
• M14: 8,599,933 km (0.031 R)
• M15: 9,254,723 km (0.041 R)
• M16: 10,490,999 km (0.112 R)
• M17: 11,557,034 km (0.11 R)
• M18: 17,748,890 km (0.064 R)
• M19: 19,716,850 km (0.07 R)
• M20: 20,651,687 km (0.084 R)
• M21: 22,108,920 km (0.049 R)
• M22: 24,535,996 km (0.039 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 13,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit