🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.77 AU - 0.95 AU

Year: 282 Days

Day: 20.7 Hours

Environment

Temp: 132 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,750,823 km

• M1: 130,898 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.82 AU - 1 AU

Year: 307 Days

Day: 16.9 Hours

Environment

Temp: 93 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.35 AU - 1.39 AU

Year: 566 Days

Day: 20.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.06 AU - 4.5 AU

Year: 2595 Days

Day: 21.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,750,823 km

• M1: 45,179 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.54 AU - 4.18 AU

Year: 2678 Days

Day: 35.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 11.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.62 AU - 9.96 AU

Year: 9202 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,750,823 km

• M1: 140,921 km (0.071 R)
• M2: 520,301 km (0.098 R)
• M3: 1,103,434 km (0.049 R)
• M4: 1,811,032 km (0.108 R)
• M5: 2,413,014 km (0.079 R)
• M6: 2,800,472 km (0.047 R)
• M7: 3,404,399 km (0.098 R)
• M8: 4,169,891 km (0.052 R)
• M9: 5,314,165 km (0.103 R)
• M10: 7,163,344 km (0.09 R)
• M11: 8,011,564 km (0.081 R)
• M12: 9,723,712 km (0.041 R)
• M13: 10,520,769 km (0.086 R)
• M14: 11,462,488 km (0.119 R)
• M15: 13,062,587 km (0.098 R)
• M16: 16,052,600 km (0.092 R)
• M17: 19,253,844 km (0.073 R)
• M18: 21,428,549 km (0.083 R)
• M19: 22,135,399 km (0.041 R)
• M20: 22,615,309 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.1

Radius: 5.4

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 12.33 AU - 19.33 AU

Year: 22239 Days

Day: 21 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,750,823 km

• M1: 67,319 km (0.106 R)
• M2: 274,362 km (0.108 R)
• M3: 727,345 km (0.09 R)
• M4: 1,022,352 km (0.069 R)
• M5: 1,191,397 km (0.076 R)
• M6: 1,637,648 km (0.091 R)
• M7: 3,035,341 km (0.047 R)
• M8: 4,410,444 km (0.085 R)
• M9: 4,936,730 km (0.091 R)
• M10: 5,905,376 km (0.108 R)
• M11: 7,907,743 km (0.095 R)
• M12: 10,084,841 km (0.094 R)
• M13: 11,958,704 km (0.046 R)
• M14: 15,974,809 km (0.093 R)
• M15: 16,216,708 km (0.109 R)
• M16: 17,805,438 km (0.039 R)
• M17: 21,095,095 km (0.086 R)
• M18: 21,581,886 km (0.069 R)
• M19: 22,577,759 km (0.111 R)
• M20: 23,812,839 km (0.07 R)
• M21: 24,234,257 km (0.086 R)
• M22: 24,768,171 km (0.076 R)
• M23: 26,304,691 km (0.109 R)
• M24: 27,787,356 km (0.05 R)
• M25: 29,445,349 km (0.114 R)
• M26: 30,175,686 km (0.092 R)
• M27: 33,876,887 km (0.068 R)
• M28: 55,304,388 km (0.113 R)
• M29: 56,788,848 km (0.119 R)
• M30: 56,976,144 km (0.12 R)
• M31: 59,257,362 km (0.057 R)
• M32: 67,300,043 km (0.119 R)
• M33: 68,991,396 km (0.052 R)
• M34: 74,459,199 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.5

Radius: 7.3

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 18.6 AU - 19.12 AU

Year: 28921 Days

Day: 16.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,750,823 km

• M1: 91,255 km (0.096 R)
• M2: 685,158 km (0.105 R)
• M3: 1,117,945 km (0.055 R)
• M4: 1,631,514 km (0.037 R)
• M5: 2,454,153 km (0.083 R)
• M6: 3,011,106 km (0.081 R)
• M7: 4,883,622 km (0.075 R)
• M8: 6,374,664 km (0.094 R)
• M9: 7,224,081 km (0.047 R)
• M10: 13,812,521 km (0.117 R)
• M11: 14,905,633 km (0.045 R)
• M12: 21,247,984 km (0.113 R)
• M13: 31,107,381 km (0.113 R)
• M14: 41,532,707 km (0.12 R)
• M15: 42,332,607 km (0.084 R)
• M16: 54,636,583 km (0.085 R)
• M17: 62,845,766 km (0.098 R)
• M18: 69,571,836 km (0.098 R)
• M19: 70,926,744 km (0.084 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit