🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.74 AU

Year: 197 Days

Day: 47.4 Hours

Environment

Temp: 176 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.99 AU - 1.37 AU

Year: 483 Days

Day: 43.2 Hours

Environment

Temp: -6 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.23 AU - 1.55 AU

Year: 617 Days

Day: 33.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,502,536 km

• M1: 74,350 km (0.088 R)
• M2: 335,847 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.2 AU - 1.68 AU

Year: 651 Days

Day: 38.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.46 AU - 2.48 AU

Year: 1462 Days

Day: 41.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 11.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.55 AU - 5.43 AU

Year: 3584 Days

Day: 8.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,502,536 km

• M1: 143,016 km (0.058 R)
• M2: 818,450 km (0.109 R)
• M3: 1,439,580 km (0.113 R)
• M4: 2,136,108 km (0.088 R)
• M5: 3,367,448 km (0.106 R)
• M6: 4,123,516 km (0.054 R)
• M7: 6,974,851 km (0.057 R)
• M8: 7,538,536 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 11.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.19 AU - 12.49 AU

Year: 12526 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,502,536 km

• M1: 143,016 km (0.067 R)
• M2: 583,432 km (0.079 R)
• M3: 1,110,615 km (0.09 R)
• M4: 1,916,349 km (0.118 R)
• M5: 4,688,547 km (0.099 R)
• M6: 5,129,113 km (0.078 R)
• M7: 5,792,280 km (0.066 R)
• M8: 6,764,816 km (0.115 R)
• M9: 7,137,464 km (0.081 R)
• M10: 7,924,050 km (0.056 R)
• M11: 8,724,099 km (0.038 R)
• M12: 9,211,339 km (0.101 R)
• M13: 10,386,730 km (0.091 R)
• M14: 14,087,482 km (0.11 R)
• M15: 14,759,176 km (0.107 R)
• M16: 21,160,619 km (0.049 R)
• M17: 24,308,457 km (0.096 R)
• M18: 25,542,939 km (0.082 R)
• M19: 27,566,699 km (0.093 R)
• M20: 28,041,074 km (0.099 R)
• M21: 36,621,110 km (0.101 R)
• M22: 38,477,470 km (0.106 R)
• M23: 40,762,577 km (0.053 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 15,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit