🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.34 AU - 1.48 AU

Year: 597 Days

Day: 35.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.73 AU - 1.97 AU

Year: 897 Days

Day: 26.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.08 AU - 2.36 AU

Year: 1179 Days

Day: 29.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,158,031 km

• M1: 93,199 km (0.11 R)
• M2: 727,943 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.68 AU - 3.54 AU

Year: 1955 Days

Day: 26.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.66 AU - 4.26 AU

Year: 2809 Days

Day: 39.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.28 AU - 5.54 AU

Year: 3878 Days

Day: 19.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,158,031 km

• M1: 78,240 km (0.098 R)
• M2: 234,569 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 14.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.05 AU - 5.57 AU

Year: 4362 Days

Day: 10.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,158,031 km

• M1: 185,501 km (0.056 R)
• M2: 670,797 km (0.113 R)
• M3: 1,196,783 km (0.075 R)
• M4: 2,109,180 km (0.063 R)
• M5: 2,854,327 km (0.095 R)
• M6: 4,235,116 km (0.083 R)
• M7: 5,183,716 km (0.103 R)
• M8: 6,160,291 km (0.088 R)
• M9: 6,692,859 km (0.105 R)
• M10: 7,915,822 km (0.088 R)
• M11: 8,546,826 km (0.05 R)
• M12: 12,220,650 km (0.108 R)
• M13: 12,884,266 km (0.098 R)
• M14: 17,218,715 km (0.101 R)
• M15: 20,350,696 km (0.077 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 15,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit