🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.82 AU - 0.88 AU

Year: 302 Days

Day: 32.8 Hours

Environment

Temp: 32 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.87 AU - 1.27 AU

Year: 426 Days

Day: 22.6 Hours

Environment

Temp: -15 °C

Axial Tilt: 1.6 °

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: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.05 AU - 1.73 AU

Year: 631 Days

Day: 39.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.41 AU - 1.47 AU

Year: 665 Days

Day: 24.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.41 AU - 1.69 AU

Year: 743 Days

Day: 39.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.68 AU - 1.86 AU

Year: 907 Days

Day: 41.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,360,483 km

• M1: 988,692 km (0.113 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.31 AU - 2.43 AU

Year: 1405 Days

Day: 12.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 12,360,483 km

• M1: 41,439 km (0.096 R)
• M2: 379,679 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 8.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.38 AU - 4.98 AU

Year: 3290 Days

Day: 7.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,360,483 km

• M1: 103,671 km (0.11 R)
• M2: 527,931 km (0.092 R)
• M3: 813,663 km (0.088 R)
• M4: 1,280,857 km (0.046 R)
• M5: 1,598,902 km (0.092 R)
• M6: 1,990,699 km (0.117 R)
• M7: 2,737,641 km (0.045 R)
• M8: 3,024,420 km (0.068 R)
• M9: 4,602,378 km (0.115 R)
• M10: 5,171,449 km (0.096 R)
• M11: 5,590,772 km (0.116 R)
• M12: 5,987,356 km (0.118 R)
• M13: 6,617,163 km (0.066 R)
• M14: 7,316,383 km (0.109 R)
• M15: 7,764,279 km (0.099 R)
• M16: 9,248,888 km (0.111 R)
• M17: 9,710,248 km (0.1 R)
• M18: 10,579,113 km (0.074 R)
• M19: 11,049,598 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit