🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.56 AU - 0.64 AU

Year: 212 Days

Day: 26.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.93 AU - 1.03 AU

Year: 443 Days

Day: 27.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 12,200,455 km

• M1: 251,773 km (0.11 R)
• M2: 308,770 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.91 AU - 1.23 AU

Year: 505 Days

Day: 34.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 12.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.74 AU - 2.82 AU

Year: 2116 Days

Day: 9.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,200,455 km

• M1: 156,479 km (0.093 R)
• M2: 583,132 km (0.088 R)
• M3: 1,044,492 km (0.091 R)
• M4: 2,080,906 km (0.111 R)
• M5: 3,297,436 km (0.051 R)
• M6: 5,955,790 km (0.043 R)
• M7: 7,688,433 km (0.105 R)
• M8: 8,578,391 km (0.042 R)
• M9: 10,634,464 km (0.057 R)
• M10: 11,067,550 km (0.105 R)
• M11: 13,329,320 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.35 AU - 3.85 AU

Year: 2492 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,200,455 km

• M1: 170,691 km (0.055 R)
• M2: 649,255 km (0.102 R)
• M3: 3,336,930 km (0.078 R)
• M4: 4,603,126 km (0.117 R)
• M5: 5,988,552 km (0.071 R)
• M6: 7,350,641 km (0.084 R)
• M7: 8,998,312 km (0.101 R)
• M8: 9,629,465 km (0.118 R)
• M9: 10,290,090 km (0.085 R)
• M10: 11,149,679 km (0.115 R)
• M11: 11,702,144 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 18,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit