🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.61 AU - 0.99 AU

Year: 272 Days

Day: 45.6 Hours

Environment

Temp: 110 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,601,855 km

• M1: 410,048 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.79 AU - 2.57 AU

Year: 1226 Days

Day: 20 Hours

Environment

Temp: -95 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,601,855 km

• M1: 232,176 km (0.083 R)
• M2: 1,319,154 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.91 AU - 2.53 AU

Year: 1260 Days

Day: 26.8 Hours

Environment

Temp: -98 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,601,855 km

• M1: 73,004 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.94 AU - 3.8 AU

Year: 2356 Days

Day: 40.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.11 AU - 4.97 AU

Year: 3092 Days

Day: 29.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 10.7

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.99 AU - 10.87 AU

Year: 11027 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,601,855 km

• M1: 133,441 km (0.111 R)
• M2: 712,535 km (0.095 R)
• M3: 1,178,083 km (0.12 R)
• M4: 1,641,388 km (0.03 R)
• M5: 2,337,616 km (0.061 R)
• M6: 2,964,132 km (0.027 R)
• M7: 3,673,077 km (0.104 R)
• M8: 4,552,114 km (0.116 R)
• M9: 4,928,053 km (0.112 R)
• M10: 5,427,112 km (0.068 R)
• M11: 7,129,685 km (0.105 R)
• M12: 7,813,198 km (0.06 R)
• M13: 8,262,141 km (0.082 R)
• M14: 12,866,165 km (0.059 R)
• M15: 14,808,693 km (0.111 R)
• M16: 16,865,215 km (0.105 R)
• M17: 17,923,321 km (0.065 R)
• M18: 18,390,066 km (0.11 R)
• M19: 21,624,522 km (0.105 R)
• M20: 23,793,242 km (0.098 R)
• M21: 28,034,791 km (0.113 R)
• M22: 29,842,382 km (0.086 R)
• M23: 32,870,991 km (0.109 R)
• M24: 35,729,955 km (0.097 R)
• M25: 39,400,938 km (0.069 R)
• M26: 40,456,201 km (0.084 R)
• M27: 43,595,213 km (0.072 R)
• M28: 44,157,103 km (0.075 R)
• M29: 51,127,615 km (0.065 R)
• M30: 52,541,166 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 8.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.69 AU - 11.67 AU

Year: 12369 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,601,855 km

• M1: 106,962 km (0.067 R)
• M2: 743,950 km (0.044 R)
• M3: 1,145,620 km (0.052 R)
• M4: 1,977,983 km (0.1 R)
• M5: 3,372,834 km (0.043 R)
• M6: 4,098,982 km (0.093 R)
• M7: 5,557,411 km (0.098 R)
• M8: 5,996,331 km (0.111 R)
• M9: 6,531,443 km (0.068 R)
• M10: 7,293,943 km (0.082 R)
• M11: 7,615,130 km (0.096 R)
• M12: 9,648,913 km (0.12 R)
• M13: 19,062,808 km (0.102 R)
• M14: 23,267,406 km (0.078 R)
• M15: 25,127,655 km (0.025 R)
• M16: 28,841,721 km (0.039 R)
• M17: 29,242,195 km (0.093 R)
• M18: 31,723,425 km (0.08 R)
• M19: 33,015,203 km (0.059 R)
• M20: 39,756,532 km (0.091 R)
• M21: 41,257,298 km (0.116 R)
• M22: 42,536,509 km (0.041 R)
• M23: 43,841,900 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.1

Radius: 3.9

Gravity: 22.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 15.87 AU - 16.13 AU

Year: 24371 Days

Day: 21.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,601,855 km

• M1: 49,816 km (0.099 R)
• M2: 298,897 km (0.096 R)
• M3: 461,809 km (0.117 R)
• M4: 949,647 km (0.058 R)
• M5: 2,191,160 km (0.097 R)
• M6: 2,719,240 km (0.05 R)
• M7: 2,987,769 km (0.084 R)
• M8: 3,300,578 km (0.042 R)
• M9: 4,146,404 km (0.087 R)
• M10: 7,211,515 km (0.042 R)
• M11: 7,395,520 km (0.088 R)
• M12: 7,582,667 km (0.098 R)
• M13: 8,163,257 km (0.096 R)
• M14: 9,412,249 km (0.11 R)
• M15: 10,196,890 km (0.092 R)
• M16: 19,489,760 km (0.093 R)
• M17: 20,299,683 km (0.119 R)
• M18: 27,491,451 km (0.049 R)
• M19: 30,141,727 km (0.096 R)
• M20: 31,589,834 km (0.063 R)
• M21: 36,345,850 km (0.1 R)
• M22: 37,296,245 km (0.074 R)
• M23: 40,971,266 km (0.104 R)
• M24: 45,035,541 km (0.103 R)
• M25: 47,727,854 km (0.09 R)
• M26: 51,368,468 km (0.082 R)
• M27: 55,725,207 km (0.101 R)
• M28: 64,768,099 km (0.118 R)
• M29: 67,578,744 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 11,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit