🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.56 AU - 0.56 AU

Year: 275 Days

Day: 19 Hours

Environment

Temp: -117 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 5,626,012 km

• M1: 42,187 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 320 Days

Day: 31.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 11

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.93 AU - 1.35 AU

Year: 798 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 5,626,012 km

• M1: 136,732 km (0.118 R)
• M2: 646,263 km (0.071 R)
• M3: 1,048,083 km (0.088 R)
• M4: 1,643,183 km (0.111 R)
• M5: 2,051,286 km (0.1 R)
• M6: 2,442,933 km (0.036 R)
• M7: 3,063,764 km (0.059 R)
• M8: 3,579,129 km (0.077 R)
• M9: 4,258,154 km (0.067 R)
• M10: 4,702,160 km (0.109 R)
• M11: 5,300,701 km (0.054 R)
• M12: 5,796,469 km (0.078 R)
• M13: 6,183,628 km (0.103 R)
• M14: 6,546,702 km (0.058 R)
• M15: 7,293,794 km (0.034 R)
• M16: 7,838,330 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 9.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.1 AU - 1.24 AU

Year: 830 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 5,626,012 km

• M1: 116,088 km (0.114 R)
• M2: 553,811 km (0.07 R)
• M3: 1,253,181 km (0.03 R)
• M4: 1,580,502 km (0.03 R)
• M5: 1,973,495 km (0.111 R)
• M6: 2,863,602 km (0.112 R)
• M7: 3,176,112 km (0.118 R)
• M8: 3,781,984 km (0.11 R)
• M9: 4,576,648 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 10,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit