🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.77 AU - 0.79 AU

Year: 241 Days

Day: 31.2 Hours

Environment

Temp: 137 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.96 AU - 1.12 AU

Year: 371 Days

Day: 17.7 Hours

Environment

Temp: 88 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.1 AU - 1.22 AU

Year: 437 Days

Day: 15.1 Hours

Environment

Temp: 36 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.9 AU - 1.48 AU

Year: 454 Days

Day: 46.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 58.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.34 AU - 1.6 AU

Year: 624 Days

Day: 26.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.29 AU - 1.87 AU

Year: 695 Days

Day: 41.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.55 AU - 2.35 AU

Year: 953 Days

Day: 26.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.51 AU - 2.95 AU

Year: 1578 Days

Day: 13.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 19.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269

Radius: 7.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 16.13 AU - 23.69 AU

Year: 31080 Days

Day: 24.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,755,523 km

• M1: 93,349 km (0.105 R)
• M2: 416,630 km (0.054 R)
• M3: 888,312 km (0.103 R)
• M4: 1,360,593 km (0.092 R)
• M5: 1,646,025 km (0.118 R)
• M6: 3,547,714 km (0.102 R)
• M7: 3,999,050 km (0.031 R)
• M8: 5,429,655 km (0.099 R)
• M9: 5,988,104 km (0.052 R)
• M10: 7,079,869 km (0.111 R)
• M11: 7,408,087 km (0.06 R)
• M12: 7,894,579 km (0.097 R)
• M13: 10,114,312 km (0.094 R)
• M14: 11,462,338 km (0.086 R)
• M15: 11,784,722 km (0.119 R)
• M16: 14,287,195 km (0.071 R)
• M17: 15,979,596 km (0.079 R)
• M18: 17,715,679 km (0.095 R)
• M19: 22,548,887 km (0.046 R)
• M20: 23,466,072 km (0.095 R)
• M21: 27,729,162 km (0.115 R)
• M22: 28,663,251 km (0.102 R)
• M23: 32,225,625 km (0.084 R)
• M24: 37,184,944 km (0.094 R)
• M25: 39,186,863 km (0.119 R)
• M26: 44,030,543 km (0.087 R)
• M27: 51,495,626 km (0.058 R)
• M28: 52,021,313 km (0.101 R)
• M29: 56,171,308 km (0.057 R)
• M30: 62,304,671 km (0.056 R)
• M31: 72,757,672 km (0.057 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 11,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit