🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.86 AU - 0.9 AU

Year: 316 Days

Day: 24.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.93 AU - 1.39 AU

Year: 478 Days

Day: 19.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,273,208 km

• M1: 881,879 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.19 AU - 3.41 AU

Year: 1794 Days

Day: 39.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.3

Radius: 10.6

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.26 AU - 8.32 AU

Year: 6774 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,273,208 km

• M1: 131,796 km (0.072 R)
• M2: 559,197 km (0.112 R)
• M3: 948,600 km (0.112 R)
• M4: 1,304,643 km (0.102 R)
• M5: 1,751,641 km (0.108 R)
• M6: 2,099,905 km (0.055 R)
• M7: 2,476,593 km (0.039 R)
• M8: 3,435,964 km (0.075 R)
• M9: 5,394,200 km (0.085 R)
• M10: 6,313,180 km (0.1 R)
• M11: 7,295,140 km (0.12 R)
• M12: 8,976,919 km (0.068 R)
• M13: 9,514,724 km (0.074 R)
• M14: 13,491,334 km (0.113 R)
• M15: 14,317,563 km (0.099 R)
• M16: 22,836,115 km (0.08 R)
• M17: 23,333,977 km (0.042 R)
• M18: 24,008,813 km (0.104 R)
• M19: 24,351,242 km (0.103 R)
• M20: 25,045,526 km (0.086 R)
• M21: 25,932,192 km (0.077 R)
• M22: 27,301,013 km (0.109 R)
• M23: 27,767,758 km (0.086 R)
• M24: 28,335,033 km (0.067 R)
• M25: 29,297,397 km (0.059 R)
• M26: 32,212,012 km (0.094 R)
• M27: 33,792,813 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 15,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit