🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.16 AU

Year: 345 Days

Day: 31.1 Hours

Environment

Temp: 124 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.18 AU - 1.44 AU

Year: 525 Days

Day: 40.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.2 AU - 1.96 AU

Year: 695 Days

Day: 42.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.26 AU - 2.78 AU

Year: 1400 Days

Day: 36 Hours

Environment

Temp: -74 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.33 AU - 3.49 AU

Year: 1737 Days

Day: 13.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.44 AU - 5.12 AU

Year: 3656 Days

Day: 13.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,858,736 km

• M1: 230,082 km (0.073 R)
• M2: 2,771,600 km (0.095 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.48 AU - 5.82 AU

Year: 4089 Days

Day: 15.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136

Radius: 3.3

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.61 AU - 16.71 AU

Year: 17663 Days

Day: 17.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,858,736 km

• M1: 46,076 km (0.078 R)
• M2: 211,382 km (0.05 R)
• M3: 339,138 km (0.107 R)
• M4: 446,699 km (0.099 R)
• M5: 2,833,683 km (0.07 R)
• M6: 4,755,567 km (0.04 R)
• M7: 5,616,353 km (0.073 R)
• M8: 5,780,312 km (0.12 R)
• M9: 5,947,563 km (0.061 R)
• M10: 7,247,718 km (0.071 R)
• M11: 7,680,055 km (0.039 R)
• M12: 8,726,044 km (0.082 R)
• M13: 10,541,713 km (0.113 R)
• M14: 11,250,657 km (0.082 R)
• M15: 12,988,985 km (0.047 R)
• M16: 16,116,328 km (0.075 R)
• M17: 20,939,663 km (0.086 R)
• M18: 21,175,728 km (0.12 R)
• M19: 23,127,980 km (0.057 R)
• M20: 25,642,870 km (0.053 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 17,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit