🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.55 AU - 0.77 AU

Year: 192 Days

Day: 48 Hours

Environment

Temp: 169 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,033,550 km

• M1: 148,401 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.86 AU - 1.12 AU

Year: 353 Days

Day: 29.7 Hours

Environment

Temp: 111 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,033,550 km

• M1: 36,352 km (0.097 R)
• M2: 68,965 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.12 AU - 1.38 AU

Year: 501 Days

Day: 40.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.5 AU

Year: 1106 Days

Day: 34.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.61 AU - 5.71 AU

Year: 3603 Days

Day: 29.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.9

Radius: 13

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.92 AU - 8.9 AU

Year: 8735 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,033,550 km

• M1: 161,715 km (0.064 R)
• M2: 574,157 km (0.096 R)
• M3: 998,865 km (0.107 R)
• M4: 1,466,059 km (0.036 R)
• M5: 2,096,016 km (0.107 R)
• M6: 3,054,639 km (0.034 R)
• M7: 4,799,997 km (0.068 R)
• M8: 5,857,804 km (0.094 R)
• M9: 6,361,051 km (0.098 R)
• M10: 10,280,066 km (0.12 R)
• M11: 10,781,369 km (0.109 R)
• M12: 12,181,605 km (0.082 R)
• M13: 12,588,362 km (0.115 R)
• M14: 16,239,447 km (0.03 R)
• M15: 17,814,563 km (0.086 R)
• M16: 18,539,066 km (0.073 R)
• M17: 19,489,461 km (0.116 R)
• M18: 22,384,180 km (0.1 R)
• M19: 25,637,185 km (0.096 R)
• M20: 27,506,710 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 9.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.39 AU - 9.99 AU

Year: 9175 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,033,550 km

• M1: 113,246 km (0.103 R)
• M2: 424,110 km (0.097 R)
• M3: 2,563,360 km (0.086 R)
• M4: 2,935,260 km (0.096 R)
• M5: 3,365,503 km (0.109 R)
• M6: 4,272,366 km (0.094 R)
• M7: 4,599,237 km (0.114 R)
• M8: 5,060,896 km (0.035 R)
• M9: 6,316,770 km (0.078 R)
• M10: 8,257,503 km (0.096 R)
• M11: 9,161,673 km (0.034 R)
• M12: 12,877,086 km (0.07 R)
• M13: 16,215,661 km (0.12 R)
• M14: 16,678,218 km (0.027 R)
• M15: 18,048,385 km (0.109 R)
• M16: 23,352,377 km (0.044 R)
• M17: 24,198,353 km (0.08 R)
• M18: 26,131,307 km (0.108 R)
• M19: 31,004,009 km (0.096 R)
• M20: 35,667,573 km (0.092 R)
• M21: 38,165,708 km (0.077 R)
• M22: 38,866,724 km (0.071 R)
• M23: 40,174,209 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 3.1

Gravity: 20.56 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 12.66 AU - 17 AU

Year: 20454 Days

Day: 16.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,033,550 km

• M1: 83,625 km (0.108 R)
• M2: 200,611 km (0.106 R)
• M3: 596,447 km (0.117 R)
• M4: 945,159 km (0.096 R)
• M5: 1,087,577 km (0.094 R)
• M6: 1,295,218 km (0.105 R)
• M7: 1,617,303 km (0.085 R)
• M8: 2,281,667 km (0.043 R)
• M9: 4,121,421 km (0.095 R)
• M10: 4,501,998 km (0.095 R)
• M11: 6,186,171 km (0.049 R)
• M12: 7,459,997 km (0.085 R)
• M13: 11,387,240 km (0.107 R)
• M14: 12,789,720 km (0.094 R)
• M15: 15,102,952 km (0.115 R)
• M16: 16,002,335 km (0.07 R)
• M17: 17,680,224 km (0.06 R)
• M18: 19,391,325 km (0.102 R)
• M19: 21,039,893 km (0.053 R)
• M20: 25,564,930 km (0.074 R)
• M21: 25,758,360 km (0.105 R)
• M22: 25,855,299 km (0.109 R)
• M23: 29,196,867 km (0.079 R)
• M24: 30,588,426 km (0.082 R)
• M25: 32,814,891 km (0.103 R)
• M26: 33,157,919 km (0.038 R)
• M27: 35,746,561 km (0.039 R)
• M28: 37,962,404 km (0.106 R)
• M29: 40,792,647 km (0.06 R)
• M30: 45,014,747 km (0.1 R)
• M31: 46,724,352 km (0.084 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 12,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit