🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.59 AU - 0.95 AU

Year: 259 Days

Day: 26.9 Hours

Environment

Temp: 88 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.48 AU - 1.7 AU

Year: 768 Days

Day: 17.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.48 AU - 2.74 AU

Year: 1614 Days

Day: 16.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,132,855 km

• M1: 692,189 km (0.04 R)

Asteroid Belt

Center: 3.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.5

Radius: 11.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.28 AU - 5.32 AU

Year: 4027 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,132,855 km

• M1: 143,016 km (0.116 R)
• M2: 517,758 km (0.103 R)
• M3: 884,722 km (0.089 R)
• M4: 1,371,364 km (0.06 R)
• M5: 1,963,023 km (0.074 R)
• M6: 2,545,557 km (0.096 R)
• M7: 2,979,990 km (0.036 R)
• M8: 3,481,591 km (0.108 R)
• M9: 3,942,053 km (0.062 R)
• M10: 5,192,692 km (0.089 R)
• M11: 5,821,152 km (0.113 R)
• M12: 6,718,889 km (0.085 R)
• M13: 7,436,211 km (0.072 R)
• M14: 7,859,723 km (0.067 R)
• M15: 9,091,511 km (0.088 R)
• M16: 10,979,885 km (0.084 R)
• M17: 11,934,320 km (0.064 R)
• M18: 14,053,972 km (0.106 R)
• M19: 15,371,929 km (0.096 R)
• M20: 16,261,737 km (0.087 R)
• M21: 17,820,547 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 9.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.05 AU - 11.27 AU

Year: 11496 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,132,855 km

• M1: 119,080 km (0.108 R)
• M2: 868,864 km (0.059 R)
• M3: 1,511,537 km (0.113 R)
• M4: 1,890,019 km (0.12 R)
• M5: 3,083,811 km (0.101 R)
• M6: 3,921,110 km (0.098 R)
• M7: 4,295,852 km (0.088 R)
• M8: 5,172,047 km (0.088 R)
• M9: 6,445,424 km (0.064 R)
• M10: 9,228,693 km (0.093 R)
• M11: 12,279,143 km (0.091 R)
• M12: 13,710,645 km (0.105 R)
• M13: 15,652,575 km (0.084 R)
• M14: 23,775,290 km (0.073 R)
• M15: 25,665,011 km (0.11 R)
• M16: 27,398,850 km (0.097 R)
• M17: 28,165,390 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.1

Radius: 6.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.74 AU - 13.76 AU

Year: 17432 Days

Day: 23 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,132,855 km

• M1: 79,736 km (0.045 R)
• M2: 1,466,358 km (0.095 R)
• M3: 2,865,846 km (0.082 R)
• M4: 4,297,498 km (0.06 R)
• M5: 5,198,825 km (0.091 R)
• M6: 6,759,580 km (0.117 R)
• M7: 9,324,734 km (0.1 R)
• M8: 9,649,960 km (0.049 R)
• M9: 18,791,138 km (0.08 R)
• M10: 19,460,289 km (0.056 R)
• M11: 23,046,150 km (0.107 R)
• M12: 39,091,270 km (0.055 R)
• M13: 41,789,417 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.1

Radius: 5.5

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 12.81 AU - 15.95 AU

Year: 20879 Days

Day: 17.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,132,855 km

• M1: 68,516 km (0.03 R)
• M2: 362,027 km (0.113 R)
• M3: 577,448 km (0.099 R)
• M4: 923,019 km (0.035 R)
• M5: 1,412,802 km (0.074 R)
• M6: 1,604,587 km (0.088 R)
• M7: 1,813,725 km (0.072 R)
• M8: 2,021,516 km (0.077 R)
• M9: 2,914,915 km (0.027 R)
• M10: 4,173,332 km (0.111 R)
• M11: 5,104,130 km (0.028 R)
• M12: 6,041,211 km (0.113 R)
• M13: 6,996,244 km (0.099 R)
• M14: 8,717,068 km (0.089 R)
• M15: 9,422,422 km (0.116 R)
• M16: 11,637,518 km (0.101 R)
• M17: 12,559,040 km (0.088 R)
• M18: 14,104,087 km (0.029 R)
• M19: 16,571,255 km (0.11 R)
• M20: 18,864,890 km (0.12 R)
• M21: 20,226,530 km (0.085 R)
• M22: 22,240,865 km (0.077 R)
• M23: 27,681,889 km (0.063 R)
• M24: 29,796,006 km (0.112 R)
• M25: 38,468,045 km (0.072 R)
• M26: 39,186,115 km (0.106 R)
• M27: 51,750,391 km (0.058 R)
• M28: 55,127,713 km (0.061 R)
• M29: 55,491,535 km (0.056 R)
• M30: 55,674,044 km (0.112 R)
• M31: 58,838,339 km (0.096 R)
• M32: 60,175,444 km (0.115 R)
• M33: 65,726,423 km (0.036 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 15,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit