🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.42 AU - 0.66 AU

Year: 147 Days

Day: 35.6 Hours

Environment

Temp: 241 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.74 AU - 1.12 AU

Year: 333 Days

Day: 30.9 Hours

Environment

Temp: 45 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 25,167,452 km

• M1: 113,545 km (0.117 R)
• M2: 618,438 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.19 AU - 1.21 AU

Year: 488 Days

Day: 29.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.38 AU - 1.74 AU

Year: 723 Days

Day: 35.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.66 AU - 1.96 AU

Year: 903 Days

Day: 42.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.6 AU - 3.5 AU

Year: 1975 Days

Day: 21 Hours

Environment

Temp: -109 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,167,452 km

• M1: 78,988 km (0.089 R)
• M2: 518,506 km (0.066 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.53 AU - 4.21 AU

Year: 2294 Days

Day: 26.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 13.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.87 AU - 5.81 AU

Year: 3949 Days

Day: 15 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,167,452 km

• M1: 172,935 km (0.092 R)
• M2: 734,675 km (0.062 R)
• M3: 1,846,935 km (0.119 R)
• M4: 3,090,243 km (0.107 R)
• M5: 3,771,213 km (0.03 R)
• M6: 4,930,596 km (0.115 R)
• M7: 5,673,798 km (0.105 R)
• M8: 6,549,694 km (0.108 R)
• M9: 7,320,273 km (0.079 R)
• M10: 8,895,837 km (0.077 R)
• M11: 9,647,417 km (0.111 R)
• M12: 12,294,701 km (0.076 R)
• M13: 13,275,764 km (0.038 R)
• M14: 16,038,537 km (0.075 R)
• M15: 18,738,330 km (0.103 R)
• M16: 19,597,919 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 12.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.75 AU - 5.23 AU

Year: 4134 Days

Day: 7.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,167,452 km

• M1: 155,432 km (0.08 R)
• M2: 689,497 km (0.064 R)
• M3: 1,212,940 km (0.041 R)
• M4: 1,635,254 km (0.107 R)
• M5: 2,201,931 km (0.118 R)
• M6: 2,772,049 km (0.114 R)
• M7: 3,691,776 km (0.111 R)
• M8: 4,117,532 km (0.113 R)
• M9: 4,651,596 km (0.052 R)
• M10: 5,800,508 km (0.059 R)
• M11: 6,192,155 km (0.112 R)
• M12: 7,794,498 km (0.105 R)
• M13: 8,576,446 km (0.103 R)
• M14: 10,515,982 km (0.113 R)
• M15: 11,994,009 km (0.051 R)
• M16: 12,883,967 km (0.083 R)
• M17: 14,030,934 km (0.098 R)
• M18: 14,963,078 km (0.046 R)
• M19: 15,472,908 km (0.093 R)
• M20: 18,455,590 km (0.099 R)
• M21: 26,756,327 km (0.099 R)
• M22: 29,229,928 km (0.065 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.7

Radius: 13.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.15 AU - 6.23 AU

Year: 4385 Days

Day: 11.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,167,452 km

• M1: 170,392 km (0.094 R)
• M2: 742,903 km (0.101 R)
• M3: 1,317,359 km (0.106 R)
• M4: 2,509,504 km (0.088 R)
• M5: 3,664,998 km (0.106 R)
• M6: 4,607,465 km (0.102 R)
• M7: 5,844,190 km (0.058 R)
• M8: 6,784,862 km (0.113 R)
• M9: 7,823,969 km (0.112 R)
• M10: 10,217,834 km (0.085 R)
• M11: 10,885,639 km (0.105 R)
• M12: 11,405,491 km (0.104 R)
• M13: 13,553,567 km (0.115 R)
• M14: 14,054,122 km (0.082 R)
• M15: 15,359,662 km (0.073 R)
• M16: 17,031,568 km (0.093 R)
• M17: 18,637,352 km (0.043 R)
• M18: 23,268,004 km (0.103 R)
• M19: 24,059,377 km (0.111 R)
• M20: 24,498,596 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 18,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit