🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.99 AU - 1.25 AU

Year: 422 Days

Day: 12.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.67 AU - 5.59 AU

Year: 4142 Days

Day: 22.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,939,229 km

• M1: 323,879 km (0.103 R)

Asteroid Belt

Center: 10.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 15.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.1

Radius: 3.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 13.68 AU - 17 AU

Year: 21416 Days

Day: 23.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,939,229 km

• M1: 53,107 km (0.115 R)
• M2: 169,943 km (0.071 R)
• M3: 1,578,258 km (0.057 R)
• M4: 2,439,792 km (0.086 R)
• M5: 6,744,321 km (0.11 R)
• M6: 8,088,757 km (0.078 R)
• M7: 8,734,870 km (0.116 R)
• M8: 9,276,115 km (0.069 R)
• M9: 9,507,992 km (0.1 R)
• M10: 9,983,563 km (0.097 R)
• M11: 11,293,891 km (0.084 R)
• M12: 14,496,782 km (0.047 R)
• M13: 17,683,366 km (0.059 R)
• M14: 20,048,807 km (0.111 R)
• M15: 26,586,683 km (0.102 R)
• M16: 32,782,129 km (0.064 R)
• M17: 33,428,243 km (0.109 R)
• M18: 34,968,801 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.2

Radius: 7.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 16.67 AU - 20.97 AU

Year: 29102 Days

Day: 17.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,939,229 km

• M1: 146,756 km (0.083 R)
• M2: 810,820 km (0.089 R)
• M3: 2,766,065 km (0.097 R)
• M4: 6,777,083 km (0.079 R)
• M5: 8,401,117 km (0.119 R)
• M6: 9,199,970 km (0.112 R)
• M7: 10,158,294 km (0.085 R)
• M8: 13,233,128 km (0.118 R)
• M9: 16,955,123 km (0.094 R)
• M10: 18,472,943 km (0.072 R)
• M11: 19,138,355 km (0.085 R)
• M12: 34,882,633 km (0.106 R)
• M13: 36,543,169 km (0.097 R)
• M14: 38,523,995 km (0.059 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 12,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit