🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.54 AU - 0.6 AU

Year: 152 Days

Day: 42.6 Hours

Environment

Temp: 252 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 41,532,543 km

• M1: 21,841 km (0.1 R)
• M2: 53,855 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.21 AU - 1.43 AU

Year: 535 Days

Day: 21.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.29 AU - 1.57 AU

Year: 604 Days

Day: 22.8 Hours

Environment

Temp: -10 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.85 AU - 2.51 AU

Year: 1137 Days

Day: 17.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,532,543 km

• M1: 485,445 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.2 AU - 5.7 AU

Year: 3889 Days

Day: 34.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,532,543 km

• M1: 1,966,464 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 14.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.52 AU - 8.62 AU

Year: 8095 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,532,543 km

• M1: 184,454 km (0.066 R)
• M2: 679,025 km (0.113 R)
• M3: 1,371,364 km (0.114 R)
• M4: 1,858,006 km (0.095 R)
• M5: 2,734,799 km (0.116 R)
• M6: 3,499,842 km (0.089 R)
• M7: 4,926,258 km (0.07 R)
• M8: 7,558,133 km (0.052 R)
• M9: 18,247,200 km (0.083 R)
• M10: 20,117,622 km (0.073 R)
• M11: 22,112,959 km (0.119 R)
• M12: 28,229,567 km (0.081 R)
• M13: 29,173,081 km (0.07 R)
• M14: 31,322,503 km (0.105 R)
• M15: 32,028,007 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.88 AU - 11.7 AU

Year: 10816 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,532,543 km

• M1: 169,195 km (0.067 R)
• M2: 705,952 km (0.054 R)
• M3: 2,115,164 km (0.11 R)
• M4: 3,963,596 km (0.09 R)
• M5: 5,185,960 km (0.117 R)
• M6: 7,950,977 km (0.116 R)
• M7: 9,465,805 km (0.049 R)
• M8: 12,007,024 km (0.111 R)
• M9: 12,946,948 km (0.101 R)
• M10: 13,464,108 km (0.053 R)
• M11: 26,570,527 km (0.104 R)
• M12: 32,800,231 km (0.039 R)
• M13: 33,440,061 km (0.088 R)
• M14: 33,871,202 km (0.061 R)
• M15: 34,524,945 km (0.07 R)
• M16: 35,857,562 km (0.073 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 17,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit