🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.34 AU - 1.34 AU

Year: 564 Days

Day: 36.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,278,525 km

• M1: 128,804 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.84 AU - 2.3 AU

Year: 1082 Days

Day: 25.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 11

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.62 AU - 5.4 AU

Year: 4076 Days

Day: 10.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,278,525 km

• M1: 136,882 km (0.071 R)
• M2: 484,548 km (0.116 R)
• M3: 861,534 km (0.057 R)
• M4: 1,223,860 km (0.105 R)
• M5: 2,173,358 km (0.075 R)
• M6: 3,043,269 km (0.085 R)
• M7: 4,740,009 km (0.091 R)
• M8: 6,648,429 km (0.094 R)
• M9: 7,756,799 km (0.105 R)
• M10: 9,022,397 km (0.102 R)
• M11: 10,089,180 km (0.103 R)
• M12: 11,549,853 km (0.087 R)
• M13: 12,425,001 km (0.082 R)
• M14: 15,700,147 km (0.083 R)
• M15: 16,658,620 km (0.069 R)
• M16: 18,321,401 km (0.095 R)
• M17: 19,004,016 km (0.103 R)
• M18: 20,618,626 km (0.063 R)
• M19: 21,086,568 km (0.12 R)
• M20: 24,414,821 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 9.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.79 AU - 6.71 AU

Year: 5011 Days

Day: 14.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,278,525 km

• M1: 138,976 km (0.12 R)
• M2: 555,307 km (0.049 R)
• M3: 1,637,797 km (0.053 R)
• M4: 3,150,232 km (0.032 R)
• M5: 3,554,595 km (0.11 R)
• M6: 4,300,340 km (0.097 R)
• M7: 4,745,992 km (0.051 R)
• M8: 5,298,308 km (0.101 R)
• M9: 5,851,970 km (0.11 R)
• M10: 6,249,152 km (0.044 R)
• M11: 6,575,574 km (0.06 R)
• M12: 6,982,181 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 12.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.94 AU - 6.86 AU

Year: 5884 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,278,525 km

• M1: 157,975 km (0.057 R)
• M2: 581,637 km (0.103 R)
• M3: 1,076,357 km (0.107 R)
• M4: 2,063,852 km (0.077 R)
• M5: 2,575,028 km (0.109 R)
• M6: 4,287,475 km (0.099 R)
• M7: 4,984,451 km (0.086 R)
• M8: 6,837,221 km (0.096 R)
• M9: 10,188,662 km (0.034 R)
• M10: 13,597,549 km (0.093 R)
• M11: 15,973,013 km (0.112 R)
• M12: 17,040,095 km (0.111 R)
• M13: 19,915,217 km (0.096 R)
• M14: 20,403,504 km (0.079 R)
• M15: 21,025,083 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245

Radius: 4.5

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 12.02 AU - 15.36 AU

Year: 18409 Days

Day: 20.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,278,525 km

• M1: 56,099 km (0.086 R)
• M2: 253,568 km (0.111 R)
• M3: 434,432 km (0.102 R)
• M4: 577,597 km (0.072 R)
• M5: 825,331 km (0.061 R)
• M6: 2,437,847 km (0.109 R)
• M7: 3,422,201 km (0.119 R)
• M8: 3,811,305 km (0.107 R)
• M9: 4,960,516 km (0.083 R)
• M10: 5,458,378 km (0.055 R)
• M11: 7,613,335 km (0.118 R)
• M12: 8,878,035 km (0.077 R)
• M13: 9,710,697 km (0.115 R)
• M14: 12,047,117 km (0.054 R)
• M15: 20,326,611 km (0.088 R)
• M16: 29,352,000 km (0.095 R)
• M17: 30,098,643 km (0.091 R)
• M18: 33,557,495 km (0.037 R)
• M19: 51,107,121 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.6

Radius: 5.4

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 12.9 AU - 21.26 AU

Year: 25654 Days

Day: 23.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,278,525 km

• M1: 67,169 km (0.104 R)
• M2: 310,416 km (0.076 R)
• M3: 531,820 km (0.077 R)
• M4: 908,508 km (0.054 R)
• M5: 1,350,121 km (0.068 R)
• M6: 1,520,962 km (0.109 R)
• M7: 2,335,672 km (0.068 R)
• M8: 4,039,143 km (0.117 R)
• M9: 4,907,558 km (0.095 R)
• M10: 5,420,828 km (0.106 R)
• M11: 6,964,230 km (0.116 R)
• M12: 7,348,098 km (0.087 R)
• M13: 9,075,953 km (0.08 R)
• M14: 11,997,300 km (0.07 R)
• M15: 13,374,947 km (0.103 R)
• M16: 14,169,312 km (0.048 R)
• M17: 15,135,116 km (0.102 R)
• M18: 15,706,430 km (0.085 R)
• M19: 16,665,203 km (0.117 R)
• M20: 18,215,486 km (0.114 R)
• M21: 21,421,218 km (0.066 R)
• M22: 23,628,535 km (0.103 R)
• M23: 29,469,434 km (0.111 R)
• M24: 31,152,261 km (0.099 R)
• M25: 42,896,292 km (0.115 R)
• M26: 45,054,241 km (0.09 R)
• M27: 45,494,358 km (0.088 R)
• M28: 48,809,596 km (0.096 R)
• M29: 55,076,102 km (0.118 R)
• M30: 55,579,349 km (0.096 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 13,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit