🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.43 AU - 0.69 AU

Year: 152 Days

Day: 40.9 Hours

Environment

Temp: 235 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.71 AU

Year: 164 Days

Day: 44.3 Hours

Environment

Temp: 230 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.93 AU - 1.15 AU

Year: 384 Days

Day: 24.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.09 AU - 1.39 AU

Year: 499 Days

Day: 28.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 99,942,566 km

• M1: 172,187 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.6 AU - 2.2 AU

Year: 947 Days

Day: 43 Hours

Environment

Temp: -51 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,942,566 km

• M1: 38,895 km (0.077 R)
• M2: 291,865 km (0.085 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.76 AU - 3.06 AU

Year: 1795 Days

Day: 25.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.47 AU - 4.49 AU

Year: 3429 Days

Day: 16.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 14.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.13 AU - 5.99 AU

Year: 4116 Days

Day: 13.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 99,942,566 km

• M1: 184,005 km (0.057 R)
• M2: 938,128 km (0.097 R)
• M3: 1,696,889 km (0.094 R)
• M4: 10,593,773 km (0.091 R)
• M5: 12,006,276 km (0.095 R)
• M6: 12,903,714 km (0.084 R)
• M7: 16,450,231 km (0.032 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 12.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.07 AU - 10.13 AU

Year: 10757 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 99,942,566 km

• M1: 157,975 km (0.083 R)
• M2: 759,209 km (0.083 R)
• M3: 1,218,475 km (0.034 R)
• M4: 1,929,065 km (0.107 R)
• M5: 2,409,723 km (0.11 R)
• M6: 3,273,501 km (0.089 R)
• M7: 4,070,558 km (0.088 R)
• M8: 5,270,183 km (0.093 R)
• M9: 8,750,279 km (0.101 R)
• M10: 12,351,847 km (0.103 R)
• M11: 15,737,696 km (0.115 R)
• M12: 17,181,764 km (0.086 R)
• M13: 20,654,080 km (0.059 R)
• M14: 22,315,215 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.2

Radius: 5.4

Gravity: 26.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 14.55 AU - 22.01 AU

Year: 28265 Days

Day: 16.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,942,566 km

• M1: 78,838 km (0.118 R)
• M2: 540,796 km (0.116 R)
• M3: 830,717 km (0.089 R)
• M4: 2,121,747 km (0.097 R)
• M5: 2,306,949 km (0.117 R)
• M6: 3,464,088 km (0.041 R)
• M7: 4,573,357 km (0.104 R)
• M8: 4,963,807 km (0.119 R)
• M9: 6,175,849 km (0.079 R)
• M10: 7,001,180 km (0.085 R)
• M11: 7,257,292 km (0.119 R)
• M12: 7,788,364 km (0.101 R)
• M13: 12,929,894 km (0.119 R)
• M14: 13,868,770 km (0.054 R)
• M15: 18,660,838 km (0.069 R)
• M16: 32,592,589 km (0.079 R)
• M17: 35,063,796 km (0.112 R)
• M18: 37,345,463 km (0.069 R)
• M19: 37,970,184 km (0.06 R)
• M20: 39,240,569 km (0.099 R)
• M21: 45,309,156 km (0.074 R)
• M22: 49,872,789 km (0.091 R)
• M23: 71,909,901 km (0.08 R)
• M24: 78,602,162 km (0.109 R)
• M25: 84,352,854 km (0.115 R)
• M26: 97,859,896 km (0.082 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 20,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit