🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.6 AU - 0.82 AU

Year: 230 Days

Day: 30.6 Hours

Environment

Temp: 156 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.12 AU - 1.14 AU

Year: 462 Days

Day: 41.4 Hours

Environment

Temp: -2 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.31 AU - 1.39 AU

Year: 604 Days

Day: 44.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,571,751 km

• M1: 221,854 km (0.114 R)
• M2: 425,157 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.15 AU - 1.75 AU

Year: 672 Days

Day: 28.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.52 AU - 1.64 AU

Year: 765 Days

Day: 29.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.56 AU - 3.02 AU

Year: 1794 Days

Day: 25.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.48 AU - 3.64 AU

Year: 2061 Days

Day: 40.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.9

Radius: 5.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 18.11 AU - 19.89 AU

Year: 31886 Days

Day: 15.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 65.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,571,751 km

• M1: 75,846 km (0.104 R)
• M2: 343,178 km (0.089 R)
• M3: 929,751 km (0.056 R)
• M4: 1,339,051 km (0.092 R)
• M5: 2,160,941 km (0.09 R)
• M6: 2,472,703 km (0.046 R)
• M7: 2,877,365 km (0.062 R)
• M8: 3,665,597 km (0.1 R)
• M9: 3,870,396 km (0.047 R)
• M10: 4,767,086 km (0.105 R)
• M11: 5,625,329 km (0.116 R)
• M12: 6,397,254 km (0.068 R)
• M13: 7,479,146 km (0.108 R)
• M14: 8,950,590 km (0.045 R)
• M15: 9,999,570 km (0.111 R)
• M16: 13,574,660 km (0.119 R)
• M17: 15,347,246 km (0.103 R)
• M18: 16,495,708 km (0.118 R)
• M19: 21,998,666 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit