🌌 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: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.72 AU - 1.12 AU

Year: 331 Days

Day: 18 Hours

Environment

Temp: 28 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,778,905 km

• M1: 26,329 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.19 AU - 1.41 AU

Year: 555 Days

Day: 24.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.29 AU - 1.57 AU

Year: 641 Days

Day: 46.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.28 AU - 2.04 AU

Year: 801 Days

Day: 43.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,778,905 km

• M1: 854,802 km (0.105 R)

Asteroid Belt

Center: 7.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.1

Radius: 7.9

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 10.68 AU - 16.06 AU

Year: 18320 Days

Day: 17 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,778,905 km

• M1: 98,286 km (0.073 R)
• M2: 360,980 km (0.089 R)
• M3: 718,369 km (0.113 R)
• M4: 2,105,291 km (0.102 R)
• M5: 3,000,784 km (0.059 R)
• M6: 4,626,165 km (0.105 R)
• M7: 6,519,774 km (0.107 R)
• M8: 9,442,468 km (0.098 R)
• M9: 11,754,952 km (0.086 R)
• M10: 14,700,534 km (0.106 R)
• M11: 15,856,626 km (0.092 R)
• M12: 17,306,828 km (0.112 R)
• M13: 20,911,688 km (0.073 R)
• M14: 24,587,906 km (0.111 R)
• M15: 34,544,392 km (0.102 R)
• M16: 36,321,465 km (0.11 R)
• M17: 37,892,393 km (0.101 R)
• M18: 42,732,183 km (0.103 R)
• M19: 47,042,098 km (0.102 R)
• M20: 47,349,521 km (0.12 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 17,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit