🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.55 AU - 0.63 AU

Year: 162 Days

Day: 34.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.86 AU

Year: 242 Days

Day: 13.1 Hours

Environment

Temp: 149 °C

Axial Tilt: 26.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.98 AU - 1.16 AU

Year: 396 Days

Day: 43.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.14 AU - 1.5 AU

Year: 543 Days

Day: 29.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.7 AU - 2.4 AU

Year: 1051 Days

Day: 15.5 Hours

Environment

Temp: -53 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.95 AU - 2.67 AU

Year: 1257 Days

Day: 47.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.3

Radius: 5.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 16.35 AU - 18.43 AU

Year: 25973 Days

Day: 22.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,610,439 km

• M1: 70,909 km (0.114 R)
• M2: 299,345 km (0.109 R)
• M3: 556,354 km (0.116 R)
• M4: 1,234,781 km (0.076 R)
• M5: 1,742,666 km (0.091 R)
• M6: 2,198,042 km (0.056 R)
• M7: 3,062,268 km (0.09 R)
• M8: 3,448,680 km (0.072 R)
• M9: 5,077,950 km (0.06 R)
• M10: 6,318,416 km (0.099 R)
• M11: 8,221,301 km (0.085 R)
• M12: 10,306,545 km (0.07 R)
• M13: 11,836,632 km (0.102 R)
• M14: 12,273,159 km (0.036 R)
• M15: 12,850,008 km (0.073 R)
• M16: 17,245,792 km (0.095 R)
• M17: 17,645,218 km (0.05 R)
• M18: 24,002,081 km (0.071 R)
• M19: 27,308,044 km (0.12 R)
• M20: 32,452,715 km (0.12 R)
• M21: 39,849,582 km (0.099 R)
• M22: 41,253,408 km (0.12 R)
• M23: 43,127,271 km (0.116 R)
• M24: 48,452,806 km (0.06 R)
• M25: 58,572,952 km (0.082 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 17,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit