🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.5 AU - 0.56 AU

Year: 138 Days

Day: 14.4 Hours

Environment

Temp: 269 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.62 AU

Year: 153 Days

Day: 27.3 Hours

Environment

Temp: 214 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.96 AU

Year: 309 Days

Day: 16.9 Hours

Environment

Temp: 87 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.61 AU - 1.63 AU

Year: 735 Days

Day: 22 Hours

Environment

Temp: -35 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 17,232,257 km

• M1: 349,012 km (0.096 R)
• M2: 1,016,218 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.56 AU - 1.7 AU

Year: 742 Days

Day: 23.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.82 AU - 2.32 AU

Year: 1062 Days

Day: 31.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.07 AU - 3.23 AU

Year: 1538 Days

Day: 32.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 10.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.54 AU - 8.6 AU

Year: 8943 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 17,232,257 km

• M1: 240,254 km (0.074 R)
• M2: 409,898 km (0.094 R)
• M3: 556,803 km (0.114 R)
• M4: 1,384,827 km (0.047 R)
• M5: 1,526,945 km (0.096 R)
• M6: 1,970,204 km (0.08 R)
• M7: 2,081,056 km (0.074 R)
• M8: 2,572,036 km (0.07 R)
• M9: 2,721,036 km (0.066 R)
• M10: 3,098,621 km (0.071 R)
• M11: 3,374,629 km (0.102 R)
• M12: 3,613,088 km (0.089 R)
• M13: 4,622,125 km (0.108 R)
• M14: 4,704,404 km (0.103 R)
• M15: 5,022,001 km (0.112 R)
• M16: 5,208,998 km (0.05 R)
• M17: 5,433,095 km (0.061 R)
• M18: 5,660,335 km (0.09 R)
• M19: 6,088,035 km (0.057 R)
• M20: 6,269,497 km (0.072 R)
• M21: 6,507,956 km (0.054 R)
• M22: 6,768,107 km (0.091 R)
• M23: 7,317,879 km (0.104 R)
• M24: 7,414,220 km (0.104 R)
• M25: 7,588,651 km (0.104 R)
• M26: 9,031,822 km (0.108 R)
• M27: 10,233,392 km (0.091 R)
• M28: 10,841,956 km (0.119 R)
• M29: 10,995,892 km (0.078 R)
• M30: 11,506,919 km (0.071 R)
• M31: 11,709,025 km (0.084 R)
• M32: 11,867,001 km (0.064 R)
• M33: 12,760,250 km (0.081 R)
• M34: 13,960,922 km (0.068 R)
• M35: 14,635,459 km (0.07 R)
• M36: 14,732,548 km (0.108 R)
• M37: 15,172,814 km (0.095 R)
• M38: 16,367,653 km (0.109 R)
• M39: 17,155,435 km (0.116 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 10,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit