🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.5 AU - 0.64 AU

Year: 278 Days

Day: 28.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.58 AU - 0.64 AU

Year: 308 Days

Day: 16.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 12.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.76 AU - 0.94 AU

Year: 506 Days

Day: 11.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,029,136 km

• M1: 159,621 km (0.042 R)
• M2: 755,768 km (0.101 R)
• M3: 1,240,166 km (0.041 R)
• M4: 1,647,821 km (0.11 R)
• M5: 2,187,869 km (0.036 R)
• M6: 2,621,403 km (0.095 R)
• M7: 3,275,296 km (0.112 R)
• M8: 3,677,564 km (0.09 R)
• M9: 4,164,805 km (0.064 R)
• M10: 4,680,917 km (0.085 R)
• M11: 5,193,739 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.3

Radius: 14.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.98 AU - 1.14 AU

Year: 705 Days

Day: 9.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,029,136 km

• M1: 177,872 km (0.053 R)
• M2: 655,388 km (0.111 R)
• M3: 1,116,599 km (0.086 R)
• M4: 1,561,203 km (0.069 R)
• M5: 2,207,017 km (0.106 R)
• M6: 3,325,710 km (0.118 R)
• M7: 3,877,577 km (0.055 R)
• M8: 4,794,761 km (0.08 R)
• M9: 5,502,509 km (0.105 R)
• M10: 6,134,560 km (0.112 R)
• M11: 6,726,967 km (0.068 R)
• M12: 7,807,513 km (0.085 R)
• M13: 8,685,204 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 13.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.31 AU - 3.29 AU

Year: 3025 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,029,136 km

• M1: 166,652 km (0.082 R)
• M2: 735,722 km (0.118 R)
• M3: 1,783,506 km (0.056 R)
• M4: 2,319,964 km (0.083 R)
• M5: 2,766,214 km (0.1 R)
• M6: 3,509,566 km (0.071 R)
• M7: 4,423,759 km (0.115 R)
• M8: 4,849,215 km (0.049 R)
• M9: 7,346,452 km (0.106 R)
• M10: 8,101,024 km (0.08 R)
• M11: 8,708,690 km (0.1 R)
• M12: 9,380,983 km (0.056 R)
• M13: 11,767,668 km (0.041 R)
• M14: 14,121,291 km (0.112 R)
• M15: 15,724,531 km (0.12 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: 374 - 12,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit