🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.87 AU - 1.45 AU

Year: 471 Days

Day: 18.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 54.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 23,305,080 km

• M1: 203,304 km (0.12 R)
• M2: 376,837 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.5 AU - 1.56 AU

Year: 713 Days

Day: 13.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 99.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.66 AU - 1.94 AU

Year: 910 Days

Day: 24.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145

Radius: 13.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.4 AU - 5.48 AU

Year: 3525 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,305,080 km

• M1: 165,455 km (0.03 R)
• M2: 704,606 km (0.115 R)
• M3: 1,129,314 km (0.091 R)
• M4: 1,752,838 km (0.118 R)
• M5: 2,347,041 km (0.083 R)
• M6: 2,857,768 km (0.094 R)
• M7: 4,793,565 km (0.1 R)
• M8: 5,828,183 km (0.068 R)
• M9: 6,276,827 km (0.103 R)
• M10: 8,726,044 km (0.112 R)
• M11: 10,435,798 km (0.06 R)
• M12: 10,993,349 km (0.116 R)
• M13: 12,629,800 km (0.101 R)
• M14: 13,465,753 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 13.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.93 AU - 5.55 AU

Year: 3888 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,305,080 km

• M1: 171,140 km (0.077 R)
• M2: 859,589 km (0.11 R)
• M3: 2,407,628 km (0.067 R)
• M4: 4,276,854 km (0.059 R)
• M5: 5,683,971 km (0.071 R)
• M6: 7,190,870 km (0.094 R)
• M7: 9,096,448 km (0.046 R)
• M8: 11,838,577 km (0.111 R)
• M9: 12,465,093 km (0.088 R)
• M10: 13,019,652 km (0.054 R)
• M11: 14,731,950 km (0.067 R)
• M12: 15,299,823 km (0.046 R)
• M13: 15,936,063 km (0.092 R)
• M14: 20,830,905 km (0.05 R)
• M15: 22,145,122 km (0.082 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: 226 - 19,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit