🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.89 AU - 0.95 AU

Year: 313 Days

Day: 17.5 Hours

Environment

Temp: 86 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.97 AU - 1.51 AU

Year: 490 Days

Day: 24.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.32 AU - 1.58 AU

Year: 619 Days

Day: 37.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 45.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,507,769 km

• M1: 337,942 km (0.032 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.39 AU - 1.73 AU

Year: 691 Days

Day: 20.7 Hours

Environment

Temp: -23 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.53 AU - 4.53 AU

Year: 2870 Days

Day: 18.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,507,769 km

• M1: 895,343 km (0.11 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.64 AU - 5.14 AU

Year: 3263 Days

Day: 23.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,507,769 km

• M1: 59,989 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 10.9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 11.97 AU - 12.33 AU

Year: 15025 Days

Day: 6 Hours

Environment

Temp: -186 °C

Axial Tilt: 78 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,507,769 km

• M1: 135,685 km (0.104 R)
• M2: 488,736 km (0.04 R)
• M3: 1,130,661 km (0.076 R)
• M4: 1,691,054 km (0.118 R)
• M5: 2,087,489 km (0.062 R)
• M6: 11,888,543 km (0.088 R)
• M7: 16,374,235 km (0.113 R)
• M8: 17,668,855 km (0.045 R)
• M9: 25,181,810 km (0.061 R)
• M10: 26,033,470 km (0.117 R)
• M11: 29,114,289 km (0.104 R)
• M12: 31,226,162 km (0.119 R)
• M13: 32,319,423 km (0.04 R)
• M14: 39,295,621 km (0.118 R)
• M15: 48,507,708 km (0.11 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit