🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.79 AU - 1.11 AU

Year: 356 Days

Day: 22.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 27,951,137 km

• M1: 11,818 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.22 AU - 1.24 AU

Year: 525 Days

Day: 25 Hours

Environment

Temp: -43 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.71 AU - 1.73 AU

Year: 868 Days

Day: 38.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,951,137 km

• M1: 59,241 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.78 AU - 1.96 AU

Year: 985 Days

Day: 47.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.25 AU - 2.89 AU

Year: 1586 Days

Day: 45.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 9.3

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.69 AU - 5.65 AU

Year: 4526 Days

Day: 6.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,951,137 km

• M1: 115,639 km (0.114 R)
• M2: 424,409 km (0.085 R)
• M3: 726,746 km (0.104 R)
• M4: 2,772,348 km (0.09 R)
• M5: 4,696,476 km (0.09 R)
• M6: 6,781,720 km (0.114 R)
• M7: 7,795,246 km (0.116 R)
• M8: 12,095,137 km (0.095 R)
• M9: 12,431,433 km (0.09 R)
• M10: 13,735,628 km (0.108 R)
• M11: 16,672,832 km (0.115 R)
• M12: 17,635,943 km (0.072 R)
• M13: 19,937,955 km (0.058 R)
• M14: 20,340,224 km (0.115 R)
• M15: 21,160,918 km (0.083 R)
• M16: 24,974,317 km (0.074 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: 400 - 14,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit