🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.55 AU - 0.85 AU

Year: 208 Days

Day: 29 Hours

Environment

Temp: 172 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.78 AU - 1.08 AU

Year: 318 Days

Day: 17.6 Hours

Environment

Temp: 92 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.01 AU - 1.19 AU

Year: 409 Days

Day: 27.2 Hours

Environment

Temp: 42 °C

Axial Tilt: 47 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.1 AU - 1.36 AU

Year: 484 Days

Day: 22.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.3

Radius: 12.1

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.95 AU - 6.23 AU

Year: 4689 Days

Day: 8.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,327,828 km

• M1: 150,645 km (0.088 R)
• M2: 836,102 km (0.065 R)
• M3: 1,305,690 km (0.111 R)
• M4: 1,752,090 km (0.032 R)
• M5: 3,492,661 km (0.09 R)
• M6: 4,330,709 km (0.064 R)
• M7: 7,946,041 km (0.082 R)
• M8: 9,134,895 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 4.2

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 11.12 AU - 18.14 AU

Year: 19852 Days

Day: 15.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,327,828 km

• M1: 74,949 km (0.075 R)
• M2: 208,988 km (0.093 R)
• M3: 519,853 km (0.07 R)
• M4: 1,128,267 km (0.078 R)
• M5: 1,359,994 km (0.042 R)
• M6: 2,953,361 km (0.079 R)
• M7: 4,978,468 km (0.063 R)
• M8: 8,234,316 km (0.107 R)
• M9: 9,302,444 km (0.097 R)
• M10: 26,683,024 km (0.082 R)
• M11: 27,719,139 km (0.052 R)
• M12: 37,118,672 km (0.079 R)
• M13: 37,631,195 km (0.103 R)
• M14: 45,747,029 km (0.106 R)
• M15: 47,228,945 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.5

Radius: 3.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 14.08 AU - 23.18 AU

Year: 28527 Days

Day: 21.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,327,828 km

• M1: 47,273 km (0.103 R)
• M2: 507,286 km (0.095 R)
• M3: 778,956 km (0.076 R)
• M4: 2,315,476 km (0.085 R)
• M5: 3,172,073 km (0.112 R)
• M6: 5,365,926 km (0.105 R)
• M7: 6,703,032 km (0.099 R)
• M8: 8,170,587 km (0.115 R)
• M9: 8,717,218 km (0.09 R)
• M10: 12,774,312 km (0.034 R)
• M11: 13,191,091 km (0.096 R)
• M12: 14,495,435 km (0.049 R)
• M13: 16,609,552 km (0.084 R)
• M14: 21,219,112 km (0.08 R)
• M15: 22,322,845 km (0.103 R)
• M16: 28,684,644 km (0.116 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 11,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit