🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.54 AU - 0.72 AU

Year: 178 Days

Day: 31.5 Hours

Environment

Temp: 216 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,396,309 km

• M1: 52,509 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.65 AU - 0.77 AU

Year: 213 Days

Day: 42.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.91 AU - 1.27 AU

Year: 406 Days

Day: 14 Hours

Environment

Temp: 38 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.1 AU - 1.72 AU

Year: 597 Days

Day: 29.9 Hours

Environment

Temp: -17 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.19 AU - 1.69 AU

Year: 616 Days

Day: 46.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,396,309 km

• M1: 51,910 km (0.067 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.3

Radius: 14.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.5 AU - 8.28 AU

Year: 7900 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,396,309 km

• M1: 177,423 km (0.119 R)
• M2: 617,839 km (0.108 R)
• M3: 1,395,449 km (0.041 R)
• M4: 2,224,221 km (0.117 R)
• M5: 3,398,714 km (0.117 R)
• M6: 5,191,944 km (0.085 R)
• M7: 5,902,833 km (0.111 R)
• M8: 6,365,539 km (0.092 R)
• M9: 7,090,191 km (0.084 R)
• M10: 9,525,345 km (0.095 R)
• M11: 10,791,841 km (0.074 R)
• M12: 11,738,945 km (0.094 R)
• M13: 13,846,031 km (0.102 R)
• M14: 20,414,425 km (0.099 R)
• M15: 21,224,647 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 10.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.48 AU - 9.78 AU

Year: 8263 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,396,309 km

• M1: 134,339 km (0.102 R)
• M2: 581,188 km (0.093 R)
• M3: 1,527,843 km (0.058 R)
• M4: 1,970,204 km (0.089 R)
• M5: 2,403,439 km (0.096 R)
• M6: 3,879,671 km (0.112 R)
• M7: 4,517,856 km (0.086 R)
• M8: 5,439,827 km (0.083 R)
• M9: 6,330,383 km (0.113 R)
• M10: 7,449,525 km (0.087 R)
• M11: 8,074,246 km (0.073 R)
• M12: 8,509,875 km (0.106 R)
• M13: 9,192,789 km (0.106 R)
• M14: 10,496,535 km (0.106 R)
• M15: 11,193,062 km (0.046 R)
• M16: 12,342,423 km (0.045 R)
• M17: 14,029,887 km (0.098 R)
• M18: 14,928,820 km (0.07 R)
• M19: 15,586,303 km (0.072 R)
• M20: 16,724,892 km (0.095 R)
• M21: 20,141,109 km (0.089 R)
• M22: 21,977,423 km (0.093 R)
• M23: 23,480,882 km (0.063 R)
• M24: 24,823,223 km (0.095 R)
• M25: 25,204,997 km (0.074 R)
• M26: 26,137,291 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.7

Radius: 3.6

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 13.66 AU - 22.34 AU

Year: 27221 Days

Day: 18.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,396,309 km

• M1: 44,730 km (0.089 R)
• M2: 172,038 km (0.074 R)
• M3: 367,562 km (0.111 R)
• M4: 727,046 km (0.103 R)
• M5: 1,146,368 km (0.086 R)
• M6: 1,791,435 km (0.099 R)
• M7: 1,944,922 km (0.119 R)
• M8: 2,438,296 km (0.103 R)
• M9: 2,780,875 km (0.091 R)
• M10: 3,010,657 km (0.113 R)
• M11: 3,749,072 km (0.117 R)
• M12: 3,887,600 km (0.111 R)
• M13: 5,293,072 km (0.03 R)
• M14: 6,359,555 km (0.115 R)
• M15: 8,857,840 km (0.079 R)
• M16: 9,713,390 km (0.115 R)
• M17: 10,512,841 km (0.074 R)
• M18: 11,763,180 km (0.073 R)
• M19: 14,017,470 km (0.076 R)
• M20: 14,486,908 km (0.067 R)
• M21: 17,219,762 km (0.116 R)
• M22: 19,440,094 km (0.106 R)
• M23: 19,772,051 km (0.034 R)
• M24: 21,843,982 km (0.114 R)
• M25: 23,583,506 km (0.1 R)
• M26: 36,872,285 km (0.104 R)
• M27: 40,936,410 km (0.104 R)
• M28: 43,711,002 km (0.081 R)
• M29: 45,144,149 km (0.096 R)
• M30: 46,460,461 km (0.059 R)
• M31: 51,505,948 km (0.091 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 18,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit