🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.75 AU - 1.09 AU

Year: 329 Days

Day: 41.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 24,336,249 km

• M1: 39,045 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.78 AU - 1.24 AU

Year: 378 Days

Day: 43.4 Hours

Environment

Temp: 33 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.87 AU - 1.33 AU

Year: 430 Days

Day: 45.1 Hours

Environment

Temp: 11 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.03 AU - 1.63 AU

Year: 572 Days

Day: 46.7 Hours

Environment

Temp: -24 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,336,249 km

• M1: 1,007,691 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.48 AU - 2.04 AU

Year: 870 Days

Day: 34.6 Hours

Environment

Temp: -57 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,336,249 km

• M1: 916,287 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.13 AU - 2.85 AU

Year: 1465 Days

Day: 37.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.73 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 9.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.03 AU - 5.91 AU

Year: 4130 Days

Day: 7.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,336,249 km

• M1: 118,033 km (0.101 R)
• M2: 525,537 km (0.101 R)
• M3: 850,015 km (0.05 R)
• M4: 1,143,975 km (0.116 R)
• M5: 1,783,805 km (0.116 R)
• M6: 2,411,069 km (0.049 R)
• M7: 2,877,814 km (0.106 R)
• M8: 3,252,407 km (0.092 R)
• M9: 4,600,135 km (0.059 R)
• M10: 5,398,838 km (0.07 R)
• M11: 5,943,224 km (0.095 R)
• M12: 8,036,996 km (0.093 R)
• M13: 8,386,905 km (0.077 R)
• M14: 8,968,093 km (0.042 R)
• M15: 9,421,375 km (0.111 R)
• M16: 11,742,086 km (0.056 R)
• M17: 20,425,944 km (0.098 R)
• M18: 22,152,752 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 15,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit