🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.2

Radius: 11.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,392,524 km

• M1: 142,268 km (0.079 R)
• M2: 375,491 km (0.091 R)
• M3: 907,760 km (0.081 R)
• M4: 1,131,558 km (0.057 R)
• M5: 1,478,177 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 14

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.57 AU - 0.85 AU

Year: 406 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,392,524 km

• M1: 176,376 km (0.111 R)
• M2: 441,463 km (0.091 R)
• M3: 885,171 km (0.041 R)
• M4: 1,434,344 km (0.109 R)
• M5: 1,717,384 km (0.087 R)
• M6: 2,233,047 km (0.116 R)
• M7: 2,856,721 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 9.4

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.42 AU - 2.36 AU

Year: 1762 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,392,524 km

• M1: 118,781 km (0.112 R)
• M2: 488,736 km (0.054 R)
• M3: 804,238 km (0.04 R)
• M4: 1,199,027 km (0.085 R)
• M5: 1,594,713 km (0.098 R)
• M6: 2,040,665 km (0.07 R)
• M7: 2,315,177 km (0.105 R)
• M8: 2,508,307 km (0.079 R)
• M9: 2,972,809 km (0.096 R)
• M10: 3,362,362 km (0.103 R)
• M11: 3,701,051 km (0.118 R)
• M12: 4,152,089 km (0.038 R)
• M13: 5,553,372 km (0.1 R)
• M14: 5,740,818 km (0.099 R)
• M15: 7,376,222 km (0.106 R)
• M16: 8,215,317 km (0.092 R)
• M17: 8,397,826 km (0.087 R)
• M18: 8,768,829 km (0.049 R)
• M19: 9,268,336 km (0.084 R)
• M20: 9,633,504 km (0.087 R)
• M21: 11,007,860 km (0.093 R)
• M22: 11,756,897 km (0.077 R)
• M23: 12,841,631 km (0.116 R)
• M24: 13,070,216 km (0.046 R)
• M25: 13,445,857 km (0.087 R)
• M26: 13,885,974 km (0.057 R)
• M27: 14,273,133 km (0.092 R)
• M28: 15,249,109 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 13

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.92 AU - 3 AU

Year: 3454 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,392,524 km

• M1: 161,715 km (0.081 R)
• M2: 431,739 km (0.107 R)
• M3: 1,371,364 km (0.057 R)
• M4: 1,989,951 km (0.079 R)
• M5: 2,607,940 km (0.108 R)
• M6: 2,917,009 km (0.114 R)
• M7: 3,608,899 km (0.104 R)
• M8: 5,713,143 km (0.086 R)
• M9: 8,144,407 km (0.074 R)
• M10: 8,992,627 km (0.106 R)
• M11: 9,264,447 km (0.103 R)
• M12: 9,758,120 km (0.054 R)
• M13: 10,073,322 km (0.093 R)
• M14: 10,458,088 km (0.118 R)
• M15: 11,049,149 km (0.073 R)
• M16: 11,656,816 km (0.073 R)
• M17: 13,578,400 km (0.028 R)
• M18: 16,780,393 km (0.032 R)
• M19: 17,824,586 km (0.078 R)
• M20: 19,517,286 km (0.056 R)
• M21: 20,143,802 km (0.053 R)
• M22: 21,753,625 km (0.084 R)
• M23: 22,225,157 km (0.106 R)
• M24: 24,758,597 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 13.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.41 AU - 4.63 AU

Year: 5467 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,392,524 km

• M1: 169,494 km (0.064 R)
• M2: 438,771 km (0.106 R)
• M3: 707,448 km (0.108 R)
• M4: 1,047,185 km (0.049 R)
• M5: 1,350,121 km (0.083 R)
• M6: 1,846,337 km (0.116 R)
• M7: 3,895,678 km (0.085 R)
• M8: 4,651,895 km (0.076 R)
• M9: 4,927,305 km (0.091 R)
• M10: 5,428,757 km (0.097 R)
• M11: 5,701,474 km (0.119 R)
• M12: 6,215,044 km (0.095 R)
• M13: 7,225,128 km (0.064 R)
• M14: 8,933,686 km (0.087 R)
• M15: 9,188,301 km (0.086 R)
• M16: 10,413,209 km (0.107 R)
• M17: 11,037,331 km (0.107 R)
• M18: 11,607,598 km (0.064 R)
• M19: 14,963,228 km (0.114 R)
• M20: 17,218,865 km (0.086 R)
• M21: 19,352,729 km (0.048 R)
• M22: 20,251,064 km (0.092 R)
• M23: 20,829,110 km (0.096 R)
• M24: 23,686,429 km (0.073 R)
• M25: 23,945,982 km (0.07 R)
• M26: 24,574,442 km (0.114 R)
• M27: 25,157,874 km (0.115 R)
• M28: 25,964,356 km (0.105 R)
• M29: 28,065,009 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 9.3

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.92 AU - 4.8 AU

Year: 6175 Days

Day: 6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,392,524 km

• M1: 158,125 km (0.03 R)
• M2: 994,826 km (0.118 R)
• M3: 1,297,462 km (0.064 R)
• M4: 2,065,049 km (0.109 R)
• M5: 2,850,737 km (0.113 R)
• M6: 3,184,041 km (0.051 R)
• M7: 3,423,248 km (0.09 R)
• M8: 3,729,924 km (0.114 R)
• M9: 5,419,332 km (0.106 R)
• M10: 6,488,808 km (0.11 R)
• M11: 7,376,073 km (0.11 R)
• M12: 7,942,001 km (0.114 R)
• M13: 9,449,798 km (0.095 R)
• M14: 10,785,109 km (0.112 R)
• M15: 12,789,720 km (0.116 R)
• M16: 17,188,646 km (0.07 R)
• M17: 20,206,633 km (0.06 R)
• M18: 23,073,377 km (0.113 R)
• M19: 23,569,743 km (0.084 R)
• M20: 23,819,871 km (0.077 R)
• M21: 26,289,133 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.7

Radius: 3.2

Gravity: 70.09 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.28 AU - 13.06 AU

Year: 23639 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,392,524 km

• M1: 230,530 km (0.112 R)
• M2: 1,047,035 km (0.03 R)
• M3: 1,346,231 km (0.046 R)
• M4: 1,905,727 km (0.071 R)
• M5: 3,357,126 km (0.075 R)
• M6: 3,920,811 km (0.118 R)
• M7: 5,480,069 km (0.11 R)
• M8: 7,915,523 km (0.076 R)
• M9: 8,020,241 km (0.097 R)
• M10: 10,199,134 km (0.078 R)
• M11: 11,734,008 km (0.055 R)
• M12: 12,706,843 km (0.073 R)
• M13: 16,606,112 km (0.107 R)
• M14: 16,681,808 km (0.086 R)
• M15: 22,236,676 km (0.043 R)
• M16: 26,638,594 km (0.096 R)
• M17: 27,216,789 km (0.119 R)
• M18: 30,919,935 km (0.042 R)
• M19: 34,422,021 km (0.116 R)
• M20: 35,964,674 km (0.058 R)
• M21: 38,342,084 km (0.059 R)
• M22: 38,803,593 km (0.118 R)
• M23: 43,938,839 km (0.093 R)
• M24: 44,805,011 km (0.113 R)
• M25: 59,815,213 km (0.075 R)
• M26: 66,304,768 km (0.084 R)
• M27: 72,178,579 km (0.067 R)
• M28: 73,287,698 km (0.107 R)
• M29: 75,531,516 km (0.082 R)
• M30: 80,453,585 km (0.118 R)
• M31: 81,792,486 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 12,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit