🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.47 AU - 0.73 AU

Year: 300 Days

Day: 45.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,786,272 km

• M1: 97,089 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.52 AU - 0.7 AU

Year: 308 Days

Day: 22.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 8.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.71 AU - 1.15 AU

Year: 579 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,786,272 km

• M1: 100,979 km (0.104 R)
• M2: 389,403 km (0.087 R)
• M3: 673,340 km (0.07 R)
• M4: 1,017,116 km (0.108 R)
• M5: 1,373,458 km (0.093 R)
• M6: 2,024,508 km (0.117 R)
• M7: 2,311,586 km (0.092 R)
• M8: 2,636,662 km (0.081 R)
• M9: 3,121,509 km (0.057 R)
• M10: 3,813,250 km (0.108 R)
• M11: 4,283,885 km (0.112 R)
• M12: 4,650,100 km (0.097 R)
• M13: 5,221,564 km (0.066 R)
• M14: 5,986,757 km (0.081 R)
• M15: 6,347,886 km (0.107 R)

Asteroid Belt

Center: 2.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 9.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.86 AU - 5.52 AU

Year: 6558 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,786,272 km

• M1: 122,670 km (0.064 R)
• M2: 876,344 km (0.109 R)
• M3: 1,953,748 km (0.052 R)
• M4: 2,344,199 km (0.088 R)
• M5: 2,662,244 km (0.062 R)
• M6: 3,795,148 km (0.062 R)
• M7: 6,418,646 km (0.087 R)
• M8: 6,945,081 km (0.119 R)
• M9: 15,587,051 km (0.07 R)
• M10: 20,105,804 km (0.106 R)
• M11: 21,304,682 km (0.078 R)
• M12: 23,766,763 km (0.086 R)
• M13: 27,849,439 km (0.039 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 18,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit