🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.88 AU - 0.9 AU

Year: 299 Days

Day: 23.6 Hours

Environment

Temp: 116 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.83 AU - 1.33 AU

Year: 400 Days

Day: 47.2 Hours

Environment

Temp: 45 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.99 AU - 1.51 AU

Year: 498 Days

Day: 20.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.25 AU - 2.61 AU

Year: 1350 Days

Day: 37.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.25 AU - 4.25 AU

Year: 3123 Days

Day: 37.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,032,399 km

• M1: 50,863 km (0.078 R)
• M2: 223,050 km (0.082 R)

Asteroid Belt

Center: 5.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 12

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.56 AU - 8.3 AU

Year: 6503 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,032,399 km

• M1: 149,299 km (0.087 R)
• M2: 767,736 km (0.111 R)
• M3: 1,687,763 km (0.096 R)
• M4: 2,236,488 km (0.07 R)
• M5: 2,902,498 km (0.094 R)
• M6: 4,901,275 km (0.089 R)
• M7: 5,534,074 km (0.035 R)
• M8: 6,156,102 km (0.065 R)
• M9: 7,033,793 km (0.103 R)
• M10: 9,376,795 km (0.06 R)
• M11: 10,125,831 km (0.119 R)
• M12: 10,866,939 km (0.077 R)
• M13: 11,743,433 km (0.099 R)
• M14: 12,250,270 km (0.102 R)
• M15: 13,199,768 km (0.103 R)
• M16: 13,915,444 km (0.098 R)
• M17: 15,244,921 km (0.09 R)
• M18: 16,156,420 km (0.082 R)
• M19: 17,428,002 km (0.083 R)
• M20: 19,670,175 km (0.091 R)
• M21: 22,251,786 km (0.111 R)
• M22: 24,637,872 km (0.1 R)
• M23: 25,723,055 km (0.043 R)
• M24: 29,077,787 km (0.083 R)
• M25: 29,632,945 km (0.098 R)
• M26: 30,573,766 km (0.058 R)
• M27: 31,340,754 km (0.115 R)
• M28: 34,126,565 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.5

Radius: 8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 14.77 AU - 15.81 AU

Year: 21311 Days

Day: 19.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,032,399 km

• M1: 99,632 km (0.076 R)
• M2: 388,506 km (0.089 R)
• M3: 1,146,069 km (0.113 R)
• M4: 1,648,120 km (0.09 R)
• M5: 2,172,311 km (0.115 R)
• M6: 2,645,788 km (0.049 R)
• M7: 7,948,135 km (0.119 R)
• M8: 10,073,771 km (0.087 R)
• M9: 13,527,986 km (0.079 R)
• M10: 15,703,588 km (0.104 R)
• M11: 16,605,064 km (0.114 R)
• M12: 17,620,086 km (0.118 R)
• M13: 19,261,623 km (0.033 R)
• M14: 21,727,595 km (0.113 R)
• M15: 22,940,983 km (0.084 R)
• M16: 26,957,387 km (0.078 R)
• M17: 28,467,128 km (0.031 R)
• M18: 33,947,646 km (0.056 R)
• M19: 36,738,694 km (0.097 R)
• M20: 37,923,359 km (0.101 R)
• M21: 51,366,074 km (0.085 R)
• M22: 54,017,398 km (0.033 R)
• M23: 58,517,900 km (0.081 R)
• M24: 60,859,107 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.5

Radius: 4.4

Gravity: 31.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 17.07 AU - 17.37 AU

Year: 25471 Days

Day: 16 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,032,399 km

• M1: 54,753 km (0.111 R)
• M2: 1,060,350 km (0.114 R)
• M3: 1,463,666 km (0.096 R)
• M4: 2,399,400 km (0.099 R)
• M5: 3,172,672 km (0.09 R)
• M6: 3,404,249 km (0.079 R)
• M7: 4,304,679 km (0.11 R)
• M8: 5,640,289 km (0.104 R)
• M9: 6,890,478 km (0.093 R)
• M10: 8,924,261 km (0.082 R)
• M11: 14,673,606 km (0.084 R)
• M12: 18,625,832 km (0.108 R)
• M13: 21,861,784 km (0.1 R)
• M14: 22,593,318 km (0.071 R)
• M15: 23,125,587 km (0.056 R)
• M16: 29,925,857 km (0.059 R)
• M17: 31,746,314 km (0.098 R)
• M18: 35,605,939 km (0.099 R)
• M19: 38,245,593 km (0.034 R)
• M20: 38,697,828 km (0.1 R)
• M21: 51,196,281 km (0.026 R)
• M22: 52,483,870 km (0.09 R)
• M23: 52,669,670 km (0.063 R)
• M24: 54,550,864 km (0.103 R)
• M25: 56,476,338 km (0.11 R)
• M26: 77,798,373 km (0.082 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit