🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 308 Days

Day: 34.5 Hours

Environment

Temp: 117 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.88 AU - 1.46 AU

Year: 449 Days

Day: 21.7 Hours

Environment

Temp: 18 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,259,798 km

• M1: 60,288 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.13 AU - 2.29 AU

Year: 1166 Days

Day: 46.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,259,798 km

• M1: 89,759 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 10

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.37 AU - 10.49 AU

Year: 10273 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,259,798 km

• M1: 124,465 km (0.039 R)
• M2: 767,886 km (0.07 R)
• M3: 1,764,507 km (0.099 R)
• M4: 2,749,459 km (0.119 R)
• M5: 3,292,500 km (0.108 R)
• M6: 4,534,760 km (0.084 R)
• M7: 6,257,380 km (0.103 R)
• M8: 6,653,365 km (0.032 R)
• M9: 7,468,674 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.8

Radius: 5.4

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 15.81 AU - 18.91 AU

Year: 25660 Days

Day: 17.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,259,798 km

• M1: 72,106 km (0.096 R)
• M2: 514,018 km (0.112 R)
• M3: 841,488 km (0.088 R)
• M4: 1,313,021 km (0.074 R)
• M5: 2,623,199 km (0.1 R)
• M6: 3,104,305 km (0.102 R)
• M7: 3,963,446 km (0.081 R)
• M8: 4,177,670 km (0.098 R)
• M9: 6,058,863 km (0.113 R)
• M10: 6,679,695 km (0.074 R)
• M11: 11,261,129 km (0.081 R)
• M12: 18,078,005 km (0.109 R)
• M13: 34,597,200 km (0.096 R)
• M14: 51,947,412 km (0.068 R)
• M15: 54,695,525 km (0.102 R)
• M16: 55,927,762 km (0.074 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 146 - 13,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit