🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.17 AU - 1.49 AU

Year: 560 Days

Day: 31.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.42 AU - 3.26 AU

Year: 1748 Days

Day: 27.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 110.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.54 AU - 3.78 AU

Year: 2052 Days

Day: 32.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.84 AU - 3.78 AU

Year: 2200 Days

Day: 13.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.73 AU - 4.05 AU

Year: 2280 Days

Day: 23.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.08 AU - 4.6 AU

Year: 3302 Days

Day: 16.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 75.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.2 AU - 4.68 AU

Year: 3417 Days

Day: 14.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,788,151 km

• M1: 50,564 km (0.092 R)
• M2: 2,380,701 km (0.1 R)

Asteroid Belt

Center: 12.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.4

Radius: 4.9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 16 AU - 23.26 AU

Year: 31767 Days

Day: 24.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,788,151 km

• M1: 71,209 km (0.112 R)
• M2: 1,048,831 km (0.066 R)
• M3: 1,566,439 km (0.077 R)
• M4: 2,027,201 km (0.052 R)
• M5: 5,319,102 km (0.096 R)
• M6: 11,253,350 km (0.102 R)
• M7: 17,248,634 km (0.064 R)
• M8: 20,515,702 km (0.11 R)
• M9: 24,073,888 km (0.112 R)
• M10: 24,871,992 km (0.094 R)
• M11: 25,175,826 km (0.107 R)
• M12: 29,806,628 km (0.048 R)
• M13: 30,610,567 km (0.066 R)
• M14: 38,103,176 km (0.062 R)
• M15: 44,018,276 km (0.08 R)
• M16: 46,270,771 km (0.059 R)
• M17: 49,391,981 km (0.1 R)
• M18: 56,397,649 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 16,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit