🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.91 AU

Year: 239 Days

Day: 31.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.63 AU - 0.85 AU

Year: 244 Days

Day: 15.1 Hours

Environment

Temp: 112 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.9 AU - 1.04 AU

Year: 366 Days

Day: 45.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.45 AU - 1.73 AU

Year: 768 Days

Day: 22.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.32 AU - 3.74 AU

Year: 2019 Days

Day: 27.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,605,143 km

• M1: 61,485 km (0.081 R)

Asteroid Belt

Center: 3.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 14.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.97 AU - 5.73 AU

Year: 4090 Days

Day: 11.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,605,143 km

• M1: 245,939 km (0.105 R)
• M2: 788,680 km (0.104 R)
• M3: 1,264,850 km (0.082 R)
• M4: 2,796,583 km (0.097 R)
• M5: 3,512,708 km (0.054 R)
• M6: 5,935,445 km (0.075 R)
• M7: 7,090,341 km (0.118 R)
• M8: 7,564,716 km (0.057 R)
• M9: 10,608,583 km (0.084 R)
• M10: 14,988,659 km (0.106 R)
• M11: 16,525,628 km (0.071 R)
• M12: 24,646,997 km (0.103 R)
• M13: 26,865,384 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.2

Radius: 3.7

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 10.37 AU - 13.77 AU

Year: 16056 Days

Day: 21.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,605,143 km

• M1: 54,154 km (0.115 R)
• M2: 221,106 km (0.104 R)
• M3: 406,457 km (0.084 R)
• M4: 563,834 km (0.079 R)
• M5: 1,564,345 km (0.116 R)
• M6: 2,081,505 km (0.114 R)
• M7: 3,817,588 km (0.1 R)
• M8: 4,277,751 km (0.097 R)
• M9: 4,398,327 km (0.108 R)
• M10: 6,611,179 km (0.107 R)
• M11: 8,022,784 km (0.088 R)
• M12: 11,195,755 km (0.118 R)
• M13: 14,227,505 km (0.094 R)
• M14: 19,035,132 km (0.09 R)
• M15: 20,365,357 km (0.119 R)
• M16: 24,244,729 km (0.104 R)
• M17: 24,822,326 km (0.101 R)
• M18: 25,409,198 km (0.064 R)
• M19: 29,559,342 km (0.082 R)
• M20: 30,329,323 km (0.099 R)
• M21: 31,338,660 km (0.117 R)
• M22: 32,602,462 km (0.104 R)
• M23: 35,354,016 km (0.114 R)
• M24: 43,111,563 km (0.105 R)
• M25: 45,105,404 km (0.115 R)
• M26: 46,271,968 km (0.119 R)
• M27: 47,608,176 km (0.072 R)
• M28: 48,059,214 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.3

Radius: 3.1

Gravity: 16.99 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 17.14 AU - 18.76 AU

Year: 29118 Days

Day: 17 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,605,143 km

• M1: 51,611 km (0.062 R)
• M2: 184,305 km (0.12 R)
• M3: 305,778 km (0.119 R)
• M4: 467,194 km (0.11 R)
• M5: 666,010 km (0.055 R)
• M6: 984,952 km (0.067 R)
• M7: 1,217,427 km (0.076 R)
• M8: 1,339,799 km (0.052 R)
• M9: 1,440,627 km (0.093 R)
• M10: 2,591,035 km (0.077 R)
• M11: 2,935,559 km (0.087 R)
• M12: 3,032,349 km (0.076 R)
• M13: 4,121,870 km (0.088 R)
• M14: 5,233,083 km (0.114 R)
• M15: 6,905,587 km (0.035 R)
• M16: 7,295,888 km (0.12 R)
• M17: 7,563,968 km (0.042 R)
• M18: 7,931,829 km (0.111 R)
• M19: 8,653,339 km (0.101 R)
• M20: 9,681,974 km (0.067 R)
• M21: 11,196,204 km (0.083 R)
• M22: 11,673,421 km (0.119 R)
• M23: 11,794,745 km (0.12 R)
• M24: 12,541,089 km (0.112 R)
• M25: 14,334,019 km (0.119 R)
• M26: 18,173,299 km (0.041 R)
• M27: 20,991,424 km (0.091 R)
• M28: 24,284,372 km (0.111 R)
• M29: 28,450,224 km (0.115 R)
• M30: 30,013,821 km (0.081 R)
• M31: 33,555,401 km (0.087 R)
• M32: 33,800,891 km (0.06 R)
• M33: 35,936,550 km (0.116 R)
• M34: 43,169,308 km (0.057 R)
• M35: 45,529,514 km (0.082 R)
• M36: 48,129,824 km (0.084 R)
• M37: 50,344,171 km (0.112 R)
• M38: 57,043,314 km (0.1 R)
• M39: 59,881,185 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 18,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit