🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 174 Days

Day: 25.5 Hours

Environment

Temp: 200 °C

Axial Tilt: 44.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,608,115 km

• M1: 176,376 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.74 AU - 0.74 AU

Year: 227 Days

Day: 32.7 Hours

Environment

Temp: 141 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.94 AU - 1 AU

Year: 341 Days

Day: 39.8 Hours

Environment

Temp: 86 °C

Axial Tilt: 161.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,608,115 km

• M1: 597,643 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.07 AU - 1.45 AU

Year: 504 Days

Day: 34.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.29 AU - 1.95 AU

Year: 735 Days

Day: 17.2 Hours

Environment

Temp: -25 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 13.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.14 AU - 9.64 AU

Year: 9448 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,608,115 km

• M1: 168,746 km (0.1 R)
• M2: 921,224 km (0.116 R)
• M3: 1,507,647 km (0.114 R)
• M4: 2,432,761 km (0.116 R)
• M5: 3,352,937 km (0.092 R)
• M6: 4,493,322 km (0.098 R)
• M7: 5,483,510 km (0.093 R)
• M8: 10,116,706 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.5

Radius: 4.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 16.08 AU - 23.86 AU

Year: 31810 Days

Day: 19.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,608,115 km

• M1: 55,950 km (0.114 R)
• M2: 226,342 km (0.096 R)
• M3: 593,006 km (0.088 R)
• M4: 838,346 km (0.108 R)
• M5: 1,101,938 km (0.057 R)
• M6: 1,311,375 km (0.077 R)
• M7: 1,714,242 km (0.078 R)
• M8: 3,319,427 km (0.073 R)
• M9: 4,812,863 km (0.101 R)
• M10: 6,238,680 km (0.054 R)
• M11: 7,402,701 km (0.109 R)
• M12: 7,747,674 km (0.09 R)
• M13: 9,039,900 km (0.057 R)
• M14: 10,739,631 km (0.036 R)
• M15: 11,635,722 km (0.038 R)
• M16: 16,362,267 km (0.106 R)
• M17: 16,507,227 km (0.116 R)
• M18: 19,024,361 km (0.116 R)
• M19: 22,315,215 km (0.076 R)
• M20: 23,491,204 km (0.093 R)
• M21: 24,235,154 km (0.084 R)
• M22: 28,504,677 km (0.117 R)
• M23: 34,661,677 km (0.111 R)
• M24: 40,844,407 km (0.082 R)
• M25: 50,431,686 km (0.119 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 15,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit