🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.59 AU - 0.91 AU

Year: 230 Days

Day: 37.3 Hours

Environment

Temp: 155 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.91 AU - 1.19 AU

Year: 382 Days

Day: 42.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,218,099 km

• M1: 69,563 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.96 AU - 1.24 AU

Year: 409 Days

Day: 45.2 Hours

Environment

Temp: 39 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.22 AU - 1.4 AU

Year: 532 Days

Day: 32.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,218,099 km

• M1: 78,539 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.17 AU - 3.49 AU

Year: 2156 Days

Day: 39.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,218,099 km

• M1: 286,779 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 11.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.93 AU - 6.43 AU

Year: 5450 Days

Day: 5.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,218,099 km

• M1: 145,559 km (0.064 R)
• M2: 534,663 km (0.094 R)
• M3: 982,260 km (0.107 R)
• M4: 1,511,537 km (0.107 R)
• M5: 2,014,485 km (0.109 R)
• M6: 2,557,675 km (0.088 R)
• M7: 2,940,795 km (0.08 R)
• M8: 3,824,470 km (0.062 R)
• M9: 4,584,277 km (0.085 R)
• M10: 5,211,092 km (0.106 R)
• M11: 7,366,947 km (0.093 R)
• M12: 8,384,661 km (0.087 R)
• M13: 8,784,537 km (0.027 R)
• M14: 10,376,408 km (0.061 R)
• M15: 13,956,434 km (0.037 R)
• M16: 15,871,436 km (0.035 R)
• M17: 17,305,930 km (0.112 R)
• M18: 21,378,583 km (0.051 R)
• M19: 27,250,299 km (0.105 R)
• M20: 28,847,705 km (0.106 R)
• M21: 31,264,160 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 10.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.86 AU - 7.92 AU

Year: 5730 Days

Day: 8.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,218,099 km

• M1: 133,591 km (0.063 R)
• M2: 903,571 km (0.058 R)
• M3: 1,936,544 km (0.059 R)
• M4: 2,590,586 km (0.114 R)
• M5: 3,019,932 km (0.041 R)
• M6: 3,685,344 km (0.114 R)
• M7: 5,713,891 km (0.038 R)
• M8: 8,396,480 km (0.098 R)
• M9: 9,451,743 km (0.103 R)
• M10: 12,255,357 km (0.068 R)
• M11: 13,705,110 km (0.096 R)
• M12: 15,520,330 km (0.077 R)
• M13: 18,738,031 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.9

Radius: 10.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.53 AU - 10.39 AU

Year: 9515 Days

Day: 12.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,218,099 km

• M1: 133,142 km (0.049 R)
• M2: 531,671 km (0.063 R)
• M3: 931,696 km (0.102 R)
• M4: 1,348,924 km (0.115 R)
• M5: 1,845,439 km (0.112 R)
• M6: 2,573,532 km (0.063 R)
• M7: 2,931,071 km (0.076 R)
• M8: 3,974,067 km (0.115 R)
• M9: 7,078,074 km (0.108 R)
• M10: 9,026,436 km (0.12 R)
• M11: 9,483,159 km (0.117 R)
• M12: 12,838,340 km (0.074 R)
• M13: 14,750,200 km (0.119 R)
• M14: 20,659,616 km (0.065 R)
• M15: 28,560,178 km (0.115 R)
• M16: 30,350,865 km (0.097 R)
• M17: 31,899,203 km (0.079 R)
• M18: 32,960,450 km (0.096 R)
• M19: 38,860,889 km (0.066 R)
• M20: 40,316,028 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.7

Radius: 6.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 17.13 AU - 17.59 AU

Year: 25660 Days

Day: 19 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,218,099 km

• M1: 85,869 km (0.097 R)
• M2: 405,709 km (0.102 R)
• M3: 666,010 km (0.092 R)
• M4: 900,878 km (0.113 R)
• M5: 1,432,400 km (0.093 R)
• M6: 1,650,663 km (0.1 R)
• M7: 3,819,234 km (0.055 R)
• M8: 4,454,426 km (0.092 R)
• M9: 4,727,293 km (0.113 R)
• M10: 7,557,984 km (0.074 R)
• M11: 18,048,086 km (0.12 R)
• M12: 23,213,102 km (0.105 R)
• M13: 24,035,142 km (0.106 R)
• M14: 31,922,091 km (0.095 R)
• M15: 32,224,728 km (0.088 R)
• M16: 33,143,857 km (0.114 R)
• M17: 35,572,130 km (0.094 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit