🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.55 AU - 0.79 AU

Year: 204 Days

Day: 31.3 Hours

Environment

Temp: 150 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,441,664 km

• M1: 23,487 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.06 AU - 3.28 AU

Year: 1626 Days

Day: 27.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 11.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.33 AU - 4.71 AU

Year: 3582 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,441,664 km

• M1: 139,126 km (0.098 R)
• M2: 584,329 km (0.094 R)
• M3: 1,628,074 km (0.12 R)
• M4: 3,727,231 km (0.109 R)
• M5: 4,185,300 km (0.106 R)
• M6: 4,839,192 km (0.09 R)
• M7: 5,610,519 km (0.063 R)
• M8: 6,133,064 km (0.104 R)
• M9: 7,306,061 km (0.086 R)
• M10: 8,123,912 km (0.046 R)
• M11: 9,941,676 km (0.072 R)
• M12: 10,787,054 km (0.12 R)
• M13: 11,513,800 km (0.097 R)
• M14: 11,973,814 km (0.028 R)
• M15: 14,316,666 km (0.119 R)
• M16: 16,525,179 km (0.113 R)
• M17: 17,165,009 km (0.111 R)
• M18: 17,600,638 km (0.098 R)
• M19: 20,010,062 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 14

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.48 AU - 9.68 AU

Year: 11054 Days

Day: 13.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,441,664 km

• M1: 175,030 km (0.075 R)
• M2: 687,253 km (0.117 R)
• M3: 1,127,519 km (0.094 R)
• M4: 2,496,938 km (0.111 R)
• M5: 3,664,998 km (0.042 R)
• M6: 4,860,884 km (0.105 R)
• M7: 5,494,281 km (0.085 R)
• M8: 6,242,420 km (0.114 R)
• M9: 8,265,582 km (0.105 R)
• M10: 11,585,757 km (0.111 R)
• M11: 12,286,174 km (0.073 R)
• M12: 15,485,324 km (0.086 R)
• M13: 16,220,598 km (0.084 R)
• M14: 16,919,818 km (0.09 R)
• M15: 19,526,711 km (0.106 R)
• M16: 25,292,063 km (0.087 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: 213 - 17,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit