🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.92 AU - 1.32 AU

Year: 435 Days

Day: 28.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 29.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.16 AU - 1.36 AU

Year: 519 Days

Day: 47.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.21 AU - 1.85 AU

Year: 695 Days

Day: 16.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.48 AU - 1.68 AU

Year: 729 Days

Day: 46.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,004,453 km

• M1: 17,353 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.7 AU - 3.26 AU

Year: 1888 Days

Day: 30.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 14.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.71 AU - 4.79 AU

Year: 3800 Days

Day: 11.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,004,453 km

• M1: 183,856 km (0.1 R)
• M2: 875,596 km (0.098 R)
• M3: 1,432,699 km (0.116 R)
• M4: 1,999,076 km (0.078 R)
• M5: 2,730,311 km (0.11 R)
• M6: 3,486,827 km (0.075 R)
• M7: 4,466,394 km (0.113 R)
• M8: 5,829,081 km (0.08 R)
• M9: 7,831,598 km (0.114 R)
• M10: 8,422,360 km (0.119 R)
• M11: 9,693,344 km (0.091 R)
• M12: 12,220,351 km (0.054 R)
• M13: 12,881,573 km (0.073 R)
• M14: 13,613,107 km (0.069 R)
• M15: 14,910,420 km (0.085 R)
• M16: 19,356,917 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 11.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 9.9 AU - 14.3 AU

Year: 15451 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,004,453 km

• M1: 148,850 km (0.076 R)
• M2: 739,462 km (0.095 R)
• M3: 1,423,125 km (0.117 R)
• M4: 1,836,164 km (0.106 R)
• M5: 2,807,952 km (0.12 R)
• M6: 6,618,210 km (0.069 R)
• M7: 9,275,367 km (0.089 R)
• M8: 9,988,500 km (0.111 R)
• M9: 11,470,716 km (0.033 R)
• M10: 19,486,918 km (0.099 R)
• M11: 21,299,296 km (0.091 R)
• M12: 26,271,032 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.6

Radius: 5.1

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 10.2 AU - 16.44 AU

Year: 17846 Days

Day: 15.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,004,453 km

• M1: 63,579 km (0.09 R)
• M2: 266,284 km (0.081 R)
• M3: 459,714 km (0.108 R)
• M4: 709,842 km (0.103 R)
• M5: 998,715 km (0.063 R)
• M6: 1,652,009 km (0.075 R)
• M7: 2,266,258 km (0.071 R)
• M8: 2,769,206 km (0.118 R)
• M9: 3,456,010 km (0.05 R)
• M10: 3,839,280 km (0.036 R)
• M11: 4,831,263 km (0.117 R)
• M12: 6,276,528 km (0.077 R)
• M13: 7,167,084 km (0.036 R)
• M14: 8,088,308 km (0.091 R)
• M15: 8,551,164 km (0.099 R)
• M16: 9,250,684 km (0.112 R)
• M17: 12,500,099 km (0.094 R)
• M18: 12,909,997 km (0.064 R)
• M19: 13,541,749 km (0.081 R)
• M20: 13,828,977 km (0.086 R)
• M21: 14,942,583 km (0.099 R)
• M22: 15,560,273 km (0.062 R)
• M23: 17,771,030 km (0.105 R)
• M24: 18,289,237 km (0.082 R)
• M25: 18,640,343 km (0.094 R)
• M26: 23,829,445 km (0.097 R)
• M27: 36,243,076 km (0.097 R)
• M28: 36,519,234 km (0.117 R)
• M29: 36,936,163 km (0.05 R)
• M30: 41,431,729 km (0.064 R)
• M31: 42,189,292 km (0.095 R)
• M32: 47,919,190 km (0.112 R)
• M33: 60,696,942 km (0.111 R)
• M34: 64,667,420 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 14,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit