🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.77 AU - 0.93 AU

Year: 288 Days

Day: 30.6 Hours

Environment

Temp: 98 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,816,899 km

• M1: 17,204 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.09 AU - 1.15 AU

Year: 435 Days

Day: 17.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,816,899 km

• M1: 894,146 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.12 AU - 1.28 AU

Year: 483 Days

Day: 14.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 42,816,899 km

• M1: 70,461 km (0.102 R)
• M2: 402,867 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.8 AU - 2.16 AU

Year: 1023 Days

Day: 20.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 104.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.57 AU - 3.17 AU

Year: 1785 Days

Day: 33.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,816,899 km

• M1: 1,042,996 km (0.068 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.47 AU - 3.53 AU

Year: 1907 Days

Day: 42.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,816,899 km

• M1: 19,448 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.64 AU - 3.78 AU

Year: 2623 Days

Day: 44.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,816,899 km

• M1: 112,647 km (0.04 R)

Asteroid Belt

Center: 5.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97

Radius: 8.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.74 AU - 8.64 AU

Year: 7828 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,816,899 km

• M1: 100,829 km (0.082 R)
• M2: 455,077 km (0.099 R)
• M3: 1,110,914 km (0.103 R)
• M4: 1,556,416 km (0.082 R)
• M5: 1,863,241 km (0.118 R)
• M6: 3,191,970 km (0.03 R)
• M7: 5,741,716 km (0.068 R)
• M8: 6,567,347 km (0.11 R)
• M9: 6,829,891 km (0.112 R)
• M10: 10,672,910 km (0.055 R)
• M11: 11,788,462 km (0.059 R)
• M12: 13,209,193 km (0.03 R)
• M13: 15,040,271 km (0.048 R)
• M14: 15,446,279 km (0.119 R)
• M15: 16,439,908 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.2

Radius: 9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.77 AU - 8.13 AU

Year: 8229 Days

Day: 12.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,816,899 km

• M1: 111,899 km (0.094 R)
• M2: 1,292,526 km (0.062 R)
• M3: 1,716,187 km (0.105 R)
• M4: 2,093,173 km (0.031 R)
• M5: 2,524,913 km (0.039 R)
• M6: 3,360,866 km (0.058 R)
• M7: 6,823,757 km (0.109 R)
• M8: 9,149,855 km (0.098 R)
• M9: 10,140,192 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.1

Radius: 6.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 14.27 AU - 19.83 AU

Year: 25844 Days

Day: 15.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,816,899 km

• M1: 75,846 km (0.12 R)
• M2: 274,961 km (0.103 R)
• M3: 1,162,076 km (0.089 R)
• M4: 1,556,715 km (0.114 R)
• M5: 1,830,928 km (0.058 R)
• M6: 2,223,324 km (0.115 R)
• M7: 2,690,069 km (0.117 R)
• M8: 3,667,242 km (0.092 R)
• M9: 4,290,617 km (0.079 R)
• M10: 4,714,577 km (0.082 R)
• M11: 5,291,277 km (0.09 R)
• M12: 7,662,553 km (0.091 R)
• M13: 8,545,180 km (0.045 R)
• M14: 9,824,990 km (0.12 R)
• M15: 17,046,827 km (0.1 R)
• M16: 20,830,307 km (0.114 R)
• M17: 21,068,915 km (0.086 R)
• M18: 23,128,429 km (0.095 R)
• M19: 23,641,849 km (0.069 R)
• M20: 32,497,145 km (0.076 R)
• M21: 34,013,170 km (0.083 R)
• M22: 42,052,111 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 17,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit