🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.75 AU - 1.11 AU

Year: 326 Days

Day: 29.2 Hours

Environment

Temp: 144 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.36 AU - 1.48 AU

Year: 615 Days

Day: 21.1 Hours

Environment

Temp: -27 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.33 AU - 1.89 AU

Year: 742 Days

Day: 27.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.56 AU - 3.56 AU

Year: 1945 Days

Day: 21.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.89 AU - 5.59 AU

Year: 3751 Days

Day: 29 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.6 AU - 8.18 AU

Year: 7301 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,092,269 km

• M1: 170,392 km (0.099 R)
• M2: 746,344 km (0.045 R)
• M3: 1,708,707 km (0.083 R)
• M4: 2,728,067 km (0.074 R)
• M5: 5,456,283 km (0.109 R)
• M6: 6,224,468 km (0.111 R)
• M7: 7,205,830 km (0.099 R)
• M8: 8,704,502 km (0.108 R)
• M9: 9,338,497 km (0.072 R)
• M10: 10,147,074 km (0.086 R)
• M11: 11,078,321 km (0.058 R)
• M12: 11,663,847 km (0.112 R)
• M13: 15,049,097 km (0.102 R)
• M14: 15,670,975 km (0.049 R)
• M15: 17,378,785 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 11.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 11.03 AU - 13.39 AU

Year: 15506 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,092,269 km

• M1: 241,301 km (0.085 R)
• M2: 1,302,399 km (0.076 R)
• M3: 2,083,150 km (0.081 R)
• M4: 2,569,792 km (0.096 R)
• M5: 4,529,375 km (0.04 R)
• M6: 6,879,856 km (0.117 R)
• M7: 9,209,095 km (0.119 R)
• M8: 9,995,232 km (0.107 R)
• M9: 13,017,109 km (0.105 R)
• M10: 14,674,055 km (0.107 R)
• M11: 16,735,215 km (0.1 R)
• M12: 18,474,439 km (0.065 R)
• M13: 19,202,981 km (0.075 R)
• M14: 25,112,845 km (0.092 R)
• M15: 28,913,080 km (0.077 R)
• M16: 29,696,823 km (0.092 R)
• M17: 34,700,124 km (0.103 R)
• M18: 39,755,634 km (0.113 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 18,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit