🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.42 AU - 0.66 AU

Year: 141 Days

Day: 21 Hours

Environment

Temp: 207 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.6 AU

Year: 149 Days

Day: 38.4 Hours

Environment

Temp: 216 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.62 AU - 1 AU

Year: 260 Days

Day: 25.4 Hours

Environment

Temp: 157 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.75 AU - 0.95 AU

Year: 279 Days

Day: 41.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 42.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.03 AU - 1.41 AU

Year: 480 Days

Day: 17.1 Hours

Environment

Temp: 28 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151

Radius: 8.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.9 AU - 9.42 AU

Year: 9084 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,336,540 km

• M1: 100,829 km (0.104 R)
• M2: 1,527,693 km (0.063 R)
• M3: 2,892,026 km (0.071 R)
• M4: 8,684,007 km (0.105 R)
• M5: 11,065,306 km (0.095 R)
• M6: 13,542,946 km (0.088 R)
• M7: 14,058,609 km (0.066 R)
• M8: 15,239,086 km (0.039 R)
• M9: 18,729,205 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 9.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.87 AU - 9.51 AU

Year: 9930 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,336,540 km

• M1: 123,119 km (0.115 R)
• M2: 483,052 km (0.08 R)
• M3: 802,892 km (0.088 R)
• M4: 1,445,115 km (0.086 R)
• M5: 2,360,355 km (0.07 R)
• M6: 4,410,594 km (0.041 R)
• M7: 5,587,032 km (0.082 R)
• M8: 7,098,718 km (0.081 R)
• M9: 7,523,127 km (0.113 R)
• M10: 8,833,904 km (0.111 R)
• M11: 10,651,817 km (0.077 R)
• M12: 11,360,313 km (0.116 R)
• M13: 12,380,570 km (0.112 R)
• M14: 13,805,191 km (0.112 R)
• M15: 15,196,750 km (0.092 R)
• M16: 16,190,978 km (0.102 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 14,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit