🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 39.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,545,488 km

• M1: 335,249 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 8.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.92 AU - 1.1 AU

Year: 655 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,545,488 km

• M1: 104,569 km (0.097 R)
• M2: 600,935 km (0.063 R)
• M3: 1,033,422 km (0.108 R)
• M4: 1,413,251 km (0.092 R)
• M5: 1,825,543 km (0.05 R)
• M6: 2,162,288 km (0.089 R)
• M7: 2,467,467 km (0.064 R)
• M8: 5,100,091 km (0.086 R)
• M9: 6,286,551 km (0.118 R)
• M10: 7,123,851 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 14.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.8 AU - 6.24 AU

Year: 7262 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,545,488 km

• M1: 177,872 km (0.077 R)
• M2: 706,850 km (0.094 R)
• M3: 1,403,228 km (0.093 R)
• M4: 1,909,018 km (0.112 R)
• M5: 2,604,649 km (0.056 R)
• M6: 3,465,435 km (0.076 R)
• M7: 4,031,513 km (0.078 R)
• M8: 4,997,167 km (0.096 R)
• M9: 5,960,278 km (0.105 R)
• M10: 8,142,911 km (0.103 R)
• M11: 10,066,441 km (0.044 R)
• M12: 10,591,380 km (0.11 R)
• M13: 13,391,553 km (0.104 R)
• M14: 13,920,082 km (0.113 R)
• M15: 14,407,621 km (0.091 R)
• M16: 16,653,534 km (0.099 R)
• M17: 18,794,579 km (0.114 R)
• M18: 19,931,373 km (0.076 R)
• M19: 20,412,629 km (0.108 R)
• M20: 22,786,598 km (0.107 R)
• M21: 23,312,883 km (0.105 R)
• M22: 24,468,228 km (0.077 R)
• M23: 24,940,807 km (0.036 R)
• M24: 26,067,579 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 12.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.46 AU - 5.9 AU

Year: 7612 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 52.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,545,488 km

• M1: 159,172 km (0.089 R)
• M2: 595,998 km (0.099 R)
• M3: 1,210,546 km (0.103 R)
• M4: 1,817,764 km (0.066 R)
• M5: 2,257,282 km (0.084 R)
• M6: 2,997,044 km (0.057 R)
• M7: 3,424,445 km (0.103 R)
• M8: 4,302,285 km (0.099 R)
• M9: 5,418,884 km (0.083 R)
• M10: 9,065,182 km (0.067 R)
• M11: 10,664,832 km (0.097 R)
• M12: 14,601,051 km (0.062 R)
• M13: 16,136,823 km (0.109 R)
• M14: 16,790,715 km (0.111 R)
• M15: 17,777,912 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 12.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.26 AU - 5.4 AU

Year: 7945 Days

Day: 5.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,545,488 km

• M1: 188,793 km (0.094 R)
• M2: 653,443 km (0.1 R)
• M3: 1,793,678 km (0.086 R)
• M4: 2,196,396 km (0.066 R)
• M5: 2,766,663 km (0.101 R)
• M6: 3,963,745 km (0.078 R)
• M7: 5,163,221 km (0.03 R)
• M8: 7,847,904 km (0.071 R)
• M9: 9,690,651 km (0.098 R)
• M10: 11,848,301 km (0.115 R)
• M11: 12,531,963 km (0.101 R)
• M12: 13,196,627 km (0.104 R)
• M13: 16,404,304 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.4

Radius: 6.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.18 AU - 7.12 AU

Year: 9848 Days

Day: 18.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,545,488 km

• M1: 110,254 km (0.045 R)
• M2: 511,326 km (0.103 R)
• M3: 730,187 km (0.055 R)
• M4: 2,268,502 km (0.067 R)
• M5: 4,330,110 km (0.08 R)
• M6: 5,183,865 km (0.099 R)
• M7: 6,905,587 km (0.058 R)
• M8: 12,836,395 km (0.065 R)
• M9: 15,273,195 km (0.056 R)
• M10: 16,786,826 km (0.092 R)
• M11: 21,552,565 km (0.07 R)
• M12: 25,461,109 km (0.11 R)
• M13: 26,380,238 km (0.112 R)
• M14: 27,843,904 km (0.083 R)
• M15: 31,026,299 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27

Radius: 5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.85 AU - 10.61 AU

Year: 19597 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,545,488 km

• M1: 63,130 km (0.083 R)
• M2: 226,192 km (0.036 R)
• M3: 392,844 km (0.059 R)
• M4: 552,764 km (0.032 R)
• M5: 953,238 km (0.082 R)
• M6: 1,644,679 km (0.103 R)
• M7: 2,074,174 km (0.051 R)
• M8: 2,307,846 km (0.072 R)
• M9: 2,510,402 km (0.116 R)
• M10: 2,969,368 km (0.081 R)
• M11: 3,707,783 km (0.081 R)
• M12: 5,163,969 km (0.037 R)
• M13: 7,488,869 km (0.097 R)
• M14: 9,934,944 km (0.112 R)
• M15: 10,139,444 km (0.034 R)
• M16: 13,405,465 km (0.119 R)
• M17: 15,767,466 km (0.106 R)
• M18: 17,017,207 km (0.066 R)
• M19: 18,392,909 km (0.026 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 20,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit