🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.1 AU - 1.72 AU

Year: 487 Days

Day: 18.9 Hours

Environment

Temp: 198 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.71 AU - 2.35 AU

Year: 840 Days

Day: 37.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 0 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.91 AU - 2.47 AU

Year: 942 Days

Day: 27.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,060,796 km

• M1: 320,588 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.14 AU - 3.28 AU

Year: 1296 Days

Day: 25.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.69 AU - 4.49 AU

Year: 2404 Days

Day: 41.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.75 AU - 10.57 AU

Year: 9410 Days

Day: 20.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 115 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 15.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 19.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.3

Radius: 7.9

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 16.33 AU - 23.51 AU

Year: 25834 Days

Day: 16.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,060,796 km

• M1: 98,286 km (0.09 R)
• M2: 694,284 km (0.12 R)
• M3: 951,293 km (0.037 R)
• M4: 2,039,318 km (0.109 R)
• M5: 2,332,081 km (0.074 R)
• M6: 3,469,623 km (0.096 R)
• M7: 3,766,126 km (0.095 R)
• M8: 5,792,280 km (0.114 R)
• M9: 7,061,468 km (0.083 R)
• M10: 7,836,236 km (0.076 R)
• M11: 16,110,045 km (0.094 R)
• M12: 20,535,599 km (0.036 R)
• M13: 24,829,058 km (0.104 R)
• M14: 27,416,503 km (0.077 R)
• M15: 28,238,393 km (0.109 R)
• M16: 31,690,514 km (0.1 R)
• M17: 36,953,367 km (0.086 R)
• M18: 40,015,037 km (0.115 R)
• M19: 48,485,717 km (0.078 R)
• M20: 57,122,601 km (0.099 R)
• M21: 57,694,064 km (0.053 R)
• M22: 65,474,650 km (0.111 R)
• M23: 76,435,087 km (0.08 R)

Kuiper Belt

Range: 37.7 - 57.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 15,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit