🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.81 AU - 0.85 AU

Year: 278 Days

Day: 35.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 160.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.05 AU - 1.33 AU

Year: 477 Days

Day: 42.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,684,976 km

• M1: 1,080,695 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.6 AU - 2.48 AU

Year: 1070 Days

Day: 37.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,684,976 km

• M1: 63,729 km (0.104 R)
• M2: 121,623 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.01 AU - 4.85 AU

Year: 3423 Days

Day: 15 Hours

Environment

Temp: -124 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.5

Radius: 10.8

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.09 AU - 6.89 AU

Year: 5382 Days

Day: 9 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,684,976 km

• M1: 135,087 km (0.083 R)
• M2: 482,304 km (0.087 R)
• M3: 819,497 km (0.071 R)
• M4: 1,455,438 km (0.039 R)
• M5: 3,012,004 km (0.109 R)
• M6: 3,641,212 km (0.092 R)
• M7: 3,999,200 km (0.065 R)
• M8: 4,918,329 km (0.082 R)
• M9: 5,413,797 km (0.045 R)
• M10: 6,569,590 km (0.117 R)
• M11: 7,380,261 km (0.049 R)
• M12: 9,825,439 km (0.114 R)
• M13: 10,390,171 km (0.102 R)
• M14: 12,314,448 km (0.066 R)
• M15: 16,978,910 km (0.085 R)
• M16: 18,241,815 km (0.037 R)
• M17: 20,251,961 km (0.079 R)
• M18: 20,600,824 km (0.036 R)
• M19: 21,382,472 km (0.092 R)
• M20: 21,744,200 km (0.059 R)
• M21: 22,704,020 km (0.084 R)
• M22: 23,308,545 km (0.116 R)
• M23: 24,313,693 km (0.047 R)
• M24: 26,080,294 km (0.077 R)
• M25: 29,598,238 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 18,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit