🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.58 AU - 0.88 AU

Year: 233 Days

Day: 19.9 Hours

Environment

Temp: 163 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.81 AU - 1.01 AU

Year: 324 Days

Day: 24.9 Hours

Environment

Temp: 42 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,959,305 km

• M1: 20,196 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.98 AU - 1.22 AU

Year: 430 Days

Day: 39.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,959,305 km

• M1: 13,314 km (0.107 R)
• M2: 22,140 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.54 AU - 1.66 AU

Year: 754 Days

Day: 19.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.26 AU - 2.04 AU

Year: 790 Days

Day: 30.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.59 AU - 3.51 AU

Year: 1986 Days

Day: 44.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.9

Radius: 4.1

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 12.84 AU - 14.62 AU

Year: 18965 Days

Day: 22.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,959,305 km

• M1: 52,060 km (0.056 R)
• M2: 360,830 km (0.044 R)
• M3: 464,053 km (0.111 R)
• M4: 887,115 km (0.112 R)
• M5: 1,175,091 km (0.109 R)
• M6: 2,061,758 km (0.099 R)
• M7: 2,601,208 km (0.081 R)
• M8: 3,323,466 km (0.091 R)
• M9: 3,518,093 km (0.049 R)
• M10: 5,553,372 km (0.118 R)
• M11: 5,678,436 km (0.095 R)
• M12: 7,468,075 km (0.079 R)
• M13: 7,870,344 km (0.12 R)
• M14: 7,981,944 km (0.077 R)
• M15: 8,745,940 km (0.092 R)
• M16: 12,015,252 km (0.112 R)
• M17: 20,175,517 km (0.051 R)
• M18: 22,122,832 km (0.103 R)
• M19: 23,771,401 km (0.072 R)
• M20: 27,384,788 km (0.086 R)
• M21: 27,941,890 km (0.07 R)
• M22: 28,788,165 km (0.068 R)
• M23: 35,380,046 km (0.113 R)
• M24: 36,571,443 km (0.091 R)
• M25: 37,701,356 km (0.069 R)
• M26: 39,511,640 km (0.074 R)
• M27: 41,024,224 km (0.089 R)
• M28: 42,048,521 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 15,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit