🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.79 AU - 1.17 AU

Year: 351 Days

Day: 34.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1 AU - 1.2 AU

Year: 417 Days

Day: 41.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.43 AU - 1.69 AU

Year: 705 Days

Day: 20 Hours

Environment

Temp: -41 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.12 AU - 2.72 AU

Year: 1361 Days

Day: 15.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,614,326 km

• M1: 243,545 km (0.065 R)
• M2: 274,512 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.33 AU - 2.83 AU

Year: 1499 Days

Day: 35.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.95 AU - 3.29 AU

Year: 1993 Days

Day: 44.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.57 AU - 4.69 AU

Year: 3603 Days

Day: 18.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 20.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.3

Radius: 7.1

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 18.64 AU - 21.62 AU

Year: 32663 Days

Day: 18.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,614,326 km

• M1: 88,263 km (0.063 R)
• M2: 350,358 km (0.095 R)
• M3: 696,528 km (0.111 R)
• M4: 1,322,146 km (0.041 R)
• M5: 2,297,524 km (0.047 R)
• M6: 2,609,286 km (0.098 R)
• M7: 7,570,251 km (0.057 R)
• M8: 11,460,543 km (0.062 R)
• M9: 14,500,372 km (0.115 R)
• M10: 16,161,806 km (0.061 R)
• M11: 22,756,828 km (0.092 R)
• M12: 25,107,759 km (0.113 R)
• M13: 28,362,111 km (0.072 R)
• M14: 36,281,972 km (0.092 R)
• M15: 39,949,663 km (0.096 R)
• M16: 48,011,941 km (0.079 R)
• M17: 52,991,156 km (0.099 R)
• M18: 72,058,003 km (0.028 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 16,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit