🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.67 AU - 1.03 AU

Year: 283 Days

Day: 31.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,914,906 km

• M1: 308,471 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.69 AU - 1.01 AU

Year: 283 Days

Day: 13.2 Hours

Environment

Temp: 180 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.83 AU - 1.23 AU

Year: 378 Days

Day: 27.8 Hours

Environment

Temp: 40 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.15 AU - 1.41 AU

Year: 524 Days

Day: 12.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,914,906 km

• M1: 820,844 km (0.097 R)
• M2: 923,767 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.14 AU - 1.5 AU

Year: 548 Days

Day: 45.7 Hours

Environment

Temp: -13 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,914,906 km

• M1: 124,914 km (0.047 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.37 AU - 3.31 AU

Year: 1731 Days

Day: 31.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,914,906 km

• M1: 679,324 km (0.109 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.87 AU - 4.61 AU

Year: 2616 Days

Day: 25.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.6

Radius: 10.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.41 AU - 7.81 AU

Year: 6146 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,914,906 km

• M1: 130,599 km (0.104 R)
• M2: 511,026 km (0.099 R)
• M3: 1,061,696 km (0.117 R)
• M4: 1,394,252 km (0.088 R)
• M5: 2,182,483 km (0.11 R)
• M6: 3,020,231 km (0.049 R)
• M7: 3,415,020 km (0.101 R)
• M8: 4,158,073 km (0.117 R)
• M9: 6,028,046 km (0.066 R)
• M10: 6,622,997 km (0.084 R)
• M11: 9,445,610 km (0.083 R)
• M12: 10,340,803 km (0.117 R)
• M13: 14,035,721 km (0.105 R)
• M14: 14,844,597 km (0.118 R)
• M15: 15,991,414 km (0.051 R)
• M16: 16,428,539 km (0.117 R)
• M17: 22,160,830 km (0.082 R)
• M18: 22,782,858 km (0.099 R)
• M19: 25,303,732 km (0.081 R)
• M20: 30,319,150 km (0.119 R)
• M21: 34,905,222 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 11.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.87 AU - 8.85 AU

Year: 7221 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,914,906 km

• M1: 143,016 km (0.1 R)
• M2: 548,575 km (0.071 R)
• M3: 997,070 km (0.074 R)
• M4: 1,487,003 km (0.098 R)
• M5: 2,087,788 km (0.036 R)
• M6: 2,562,312 km (0.107 R)
• M7: 3,128,989 km (0.112 R)
• M8: 3,997,106 km (0.055 R)
• M9: 4,354,944 km (0.09 R)
• M10: 4,846,821 km (0.111 R)
• M11: 5,560,104 km (0.074 R)
• M12: 6,444,975 km (0.107 R)
• M13: 7,122,205 km (0.117 R)
• M14: 7,497,396 km (0.071 R)
• M15: 9,002,052 km (0.058 R)
• M16: 10,458,088 km (0.117 R)
• M17: 12,873,196 km (0.107 R)
• M18: 14,122,637 km (0.109 R)
• M19: 20,458,257 km (0.119 R)
• M20: 24,536,893 km (0.083 R)
• M21: 30,188,102 km (0.104 R)
• M22: 34,049,523 km (0.051 R)
• M23: 34,474,231 km (0.092 R)
• M24: 35,010,090 km (0.026 R)
• M25: 36,651,179 km (0.046 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 7.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 13.84 AU - 18.76 AU

Year: 23800 Days

Day: 19.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,914,906 km

• M1: 88,562 km (0.064 R)
• M2: 423,362 km (0.115 R)
• M3: 941,419 km (0.088 R)
• M4: 1,497,624 km (0.101 R)
• M5: 1,999,824 km (0.056 R)
• M6: 2,290,343 km (0.109 R)
• M7: 2,569,942 km (0.049 R)
• M8: 2,872,279 km (0.08 R)
• M9: 4,494,818 km (0.102 R)
• M10: 5,632,659 km (0.087 R)
• M11: 6,109,577 km (0.05 R)
• M12: 6,951,215 km (0.105 R)
• M13: 8,907,506 km (0.118 R)
• M14: 9,181,270 km (0.111 R)
• M15: 9,745,404 km (0.096 R)
• M16: 10,634,763 km (0.098 R)
• M17: 11,416,412 km (0.091 R)
• M18: 12,976,867 km (0.05 R)
• M19: 14,801,064 km (0.084 R)
• M20: 20,488,924 km (0.082 R)
• M21: 23,813,587 km (0.105 R)
• M22: 28,749,719 km (0.109 R)
• M23: 31,298,119 km (0.087 R)
• M24: 34,104,425 km (0.117 R)
• M25: 34,438,627 km (0.043 R)
• M26: 35,113,612 km (0.053 R)
• M27: 37,073,943 km (0.072 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 14,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit