🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.44 AU - 0.6 AU

Year: 136 Days

Day: 42.6 Hours

Environment

Temp: 219 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,766,570 km

• M1: 49,068 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.74 AU - 0.88 AU

Year: 264 Days

Day: 18.2 Hours

Environment

Temp: 98 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.85 AU - 1.13 AU

Year: 356 Days

Day: 31.2 Hours

Environment

Temp: 38 °C

Axial Tilt: 45.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.68 AU - 1.94 AU

Year: 881 Days

Day: 31.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.99 AU - 5.45 AU

Year: 3709 Days

Day: 33.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,766,570 km

• M1: 1,073,963 km (0.068 R)

Asteroid Belt

Center: 8.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.7

Radius: 10

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 9.28 AU - 13.5 AU

Year: 13902 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,766,570 km

• M1: 124,615 km (0.077 R)
• M2: 691,292 km (0.054 R)
• M3: 1,496,128 km (0.053 R)
• M4: 4,046,772 km (0.1 R)
• M5: 5,511,634 km (0.119 R)
• M6: 6,463,974 km (0.1 R)
• M7: 9,150,902 km (0.079 R)
• M8: 16,541,635 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.7

Radius: 8.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 11 AU - 13.08 AU

Year: 15109 Days

Day: 8.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,766,570 km

• M1: 109,506 km (0.105 R)
• M2: 433,235 km (0.096 R)
• M3: 1,165,667 km (0.091 R)
• M4: 1,525,300 km (0.109 R)
• M5: 1,958,236 km (0.036 R)
• M6: 2,791,646 km (0.048 R)
• M7: 3,071,992 km (0.073 R)
• M8: 4,799,399 km (0.115 R)
• M9: 5,698,931 km (0.116 R)
• M10: 6,370,625 km (0.044 R)
• M11: 7,702,794 km (0.093 R)
• M12: 9,164,814 km (0.102 R)
• M13: 10,855,719 km (0.087 R)
• M14: 12,628,304 km (0.116 R)
• M15: 19,401,198 km (0.064 R)
• M16: 20,752,217 km (0.108 R)
• M17: 21,326,373 km (0.096 R)
• M18: 23,552,090 km (0.077 R)
• M19: 27,664,087 km (0.087 R)
• M20: 38,002,497 km (0.101 R)
• M21: 42,955,981 km (0.084 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 17,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit