🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.63 AU - 0.65 AU

Year: 217 Days

Day: 27.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.61 AU - 0.97 AU

Year: 298 Days

Day: 25.1 Hours

Environment

Temp: -10 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.82 AU - 0.98 AU

Year: 363 Days

Day: 40.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,001,246 km

• M1: 296,952 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1 AU - 1.06 AU

Year: 444 Days

Day: 30.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.82 AU - 2.92 AU

Year: 1549 Days

Day: 43.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 14

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.01 AU - 4.11 AU

Year: 3473 Days

Day: 9.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,001,246 km

• M1: 175,329 km (0.097 R)
• M2: 1,474,137 km (0.12 R)
• M3: 2,250,251 km (0.069 R)
• M4: 4,251,571 km (0.087 R)
• M5: 6,467,714 km (0.059 R)
• M6: 9,563,044 km (0.082 R)
• M7: 10,699,838 km (0.046 R)
• M8: 11,477,149 km (0.106 R)
• M9: 12,061,628 km (0.095 R)
• M10: 14,705,471 km (0.102 R)
• M11: 15,234,449 km (0.119 R)
• M12: 16,218,803 km (0.081 R)
• M13: 17,893,252 km (0.079 R)
• M14: 19,426,929 km (0.089 R)
• M15: 20,650,041 km (0.112 R)
• M16: 24,775,951 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 13.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.5 AU - 5.3 AU

Year: 4605 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,001,246 km

• M1: 166,652 km (0.084 R)
• M2: 802,742 km (0.064 R)
• M3: 1,601,146 km (0.116 R)
• M4: 2,065,797 km (0.113 R)
• M5: 3,702,099 km (0.101 R)
• M6: 4,184,402 km (0.107 R)
• M7: 5,189,700 km (0.033 R)
• M8: 6,576,472 km (0.086 R)
• M9: 7,179,351 km (0.056 R)
• M10: 7,762,035 km (0.093 R)
• M11: 9,834,564 km (0.033 R)
• M12: 10,414,555 km (0.065 R)
• M13: 10,873,222 km (0.101 R)
• M14: 11,793,698 km (0.088 R)
• M15: 13,497,468 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 13,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit