🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.64 AU - 0.82 AU

Year: 233 Days

Day: 39.9 Hours

Environment

Temp: 114 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,352,838 km

• M1: 92,751 km (0.027 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.11 AU - 1.53 AU

Year: 565 Days

Day: 15.5 Hours

Environment

Temp: -25 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.58 AU - 1.98 AU

Year: 885 Days

Day: 29.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.35 AU - 2.81 AU

Year: 1545 Days

Day: 33.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,352,838 km

• M1: 57,894 km (0.093 R)
• M2: 295,306 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.87 AU - 4.35 AU

Year: 2557 Days

Day: 37.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,352,838 km

• M1: 1,478,476 km (0.075 R)

Asteroid Belt

Center: 4.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 12.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.82 AU - 5.56 AU

Year: 3786 Days

Day: 14.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,352,838 km

• M1: 160,369 km (0.086 R)
• M2: 613,501 km (0.082 R)
• M3: 1,172,099 km (0.12 R)
• M4: 1,595,162 km (0.089 R)
• M5: 2,024,358 km (0.097 R)
• M6: 2,613,176 km (0.108 R)
• M7: 3,123,454 km (0.108 R)
• M8: 3,892,836 km (0.113 R)
• M9: 5,041,747 km (0.112 R)
• M10: 5,867,378 km (0.112 R)
• M11: 6,497,634 km (0.08 R)
• M12: 7,373,978 km (0.058 R)
• M13: 8,475,617 km (0.05 R)
• M14: 9,124,722 km (0.033 R)
• M15: 11,182,890 km (0.075 R)
• M16: 11,870,591 km (0.115 R)
• M17: 16,430,035 km (0.117 R)
• M18: 17,379,832 km (0.104 R)
• M19: 19,388,931 km (0.117 R)
• M20: 20,047,461 km (0.115 R)
• M21: 24,014,049 km (0.085 R)
• M22: 24,544,223 km (0.086 R)
• M23: 26,022,400 km (0.054 R)
• M24: 26,904,878 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 8.2

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.56 AU - 8.88 AU

Year: 8785 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,352,838 km

• M1: 102,923 km (0.099 R)
• M2: 761,902 km (0.097 R)
• M3: 1,881,193 km (0.114 R)
• M4: 3,332,293 km (0.082 R)
• M5: 4,526,682 km (0.036 R)
• M6: 4,941,218 km (0.096 R)
• M7: 5,380,886 km (0.064 R)
• M8: 7,690,079 km (0.103 R)
• M9: 8,194,971 km (0.095 R)
• M10: 8,721,556 km (0.07 R)
• M11: 9,745,553 km (0.113 R)
• M12: 11,590,993 km (0.04 R)
• M13: 13,597,399 km (0.065 R)
• M14: 19,489,611 km (0.095 R)
• M15: 20,348,302 km (0.103 R)
• M16: 25,023,535 km (0.09 R)
• M17: 28,443,492 km (0.116 R)
• M18: 29,853,601 km (0.095 R)
• M19: 35,614,765 km (0.093 R)
• M20: 35,961,533 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.8

Radius: 3.8

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.05 AU - 21.71 AU

Year: 28184 Days

Day: 22.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,352,838 km

• M1: 57,446 km (0.081 R)
• M2: 728,990 km (0.103 R)
• M3: 1,743,114 km (0.074 R)
• M4: 2,145,233 km (0.069 R)
• M5: 3,803,526 km (0.107 R)
• M6: 3,971,674 km (0.102 R)
• M7: 5,465,708 km (0.052 R)
• M8: 5,825,939 km (0.102 R)
• M9: 6,201,879 km (0.071 R)
• M10: 7,254,898 km (0.112 R)
• M11: 8,095,938 km (0.094 R)
• M12: 9,759,765 km (0.105 R)
• M13: 10,838,067 km (0.045 R)
• M14: 18,374,059 km (0.037 R)
• M15: 19,098,562 km (0.078 R)
• M16: 20,604,115 km (0.093 R)
• M17: 25,296,102 km (0.106 R)
• M18: 26,698,433 km (0.096 R)
• M19: 27,418,747 km (0.065 R)
• M20: 33,297,644 km (0.095 R)
• M21: 50,367,209 km (0.103 R)
• M22: 53,062,365 km (0.085 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: 412 - 11,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit