🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 12.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.51 AU - 0.81 AU

Year: 358 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,497,698 km

• M1: 153,188 km (0.087 R)
• M2: 413,638 km (0.111 R)
• M3: 693,386 km (0.088 R)
• M4: 946,955 km (0.034 R)
• M5: 1,176,587 km (0.108 R)
• M6: 1,667,717 km (0.034 R)
• M7: 1,954,347 km (0.09 R)
• M8: 2,217,340 km (0.101 R)
• M9: 2,596,121 km (0.096 R)
• M10: 2,882,601 km (0.029 R)
• M11: 3,178,506 km (0.082 R)
• M12: 3,530,360 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 13.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.7 AU - 1.02 AU

Year: 532 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,497,698 km

• M1: 168,896 km (0.045 R)
• M2: 472,430 km (0.059 R)
• M3: 730,935 km (0.083 R)
• M4: 1,067,530 km (0.117 R)
• M5: 1,389,465 km (0.077 R)
• M6: 1,652,009 km (0.076 R)
• M7: 2,100,803 km (0.119 R)
• M8: 2,396,857 km (0.082 R)
• M9: 2,746,767 km (0.047 R)
• M10: 3,184,191 km (0.119 R)
• M11: 3,541,730 km (0.099 R)
• M12: 3,949,085 km (0.11 R)
• M13: 4,285,530 km (0.102 R)
• M14: 4,592,954 km (0.091 R)
• M15: 5,012,576 km (0.11 R)
• M16: 5,713,741 km (0.08 R)
• M17: 5,970,301 km (0.106 R)
• M18: 6,245,262 km (0.052 R)
• M19: 6,682,836 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 8.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.13 AU - 1.59 AU

Year: 1058 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,497,698 km

• M1: 102,026 km (0.103 R)
• M2: 315,652 km (0.094 R)
• M3: 511,326 km (0.092 R)
• M4: 708,196 km (0.098 R)
• M5: 1,558,062 km (0.115 R)
• M6: 2,198,640 km (0.099 R)
• M7: 2,442,784 km (0.073 R)
• M8: 3,215,307 km (0.114 R)
• M9: 3,369,842 km (0.102 R)
• M10: 3,672,777 km (0.108 R)
• M11: 4,198,464 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 9.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.67 AU - 2.07 AU

Year: 1705 Days

Day: 13.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,497,698 km

• M1: 131,945 km (0.108 R)
• M2: 330,761 km (0.075 R)
• M3: 544,835 km (0.118 R)
• M4: 1,002,904 km (0.116 R)
• M5: 1,330,523 km (0.095 R)
• M6: 1,535,473 km (0.117 R)
• M7: 2,246,212 km (0.092 R)
• M8: 2,534,188 km (0.105 R)
• M9: 2,769,655 km (0.111 R)
• M10: 3,229,668 km (0.105 R)
• M11: 3,598,876 km (0.041 R)
• M12: 4,110,800 km (0.045 R)
• M13: 4,631,700 km (0.117 R)
• M14: 4,843,680 km (0.118 R)
• M15: 5,060,447 km (0.103 R)
• M16: 5,380,587 km (0.079 R)
• M17: 5,623,683 km (0.114 R)
• M18: 5,842,694 km (0.095 R)
• M19: 6,525,459 km (0.113 R)
• M20: 7,246,670 km (0.092 R)
• M21: 7,868,399 km (0.096 R)
• M22: 8,986,793 km (0.104 R)
• M23: 9,507,992 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 15

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.27 AU - 3.23 AU

Year: 3041 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,497,698 km

• M1: 186,698 km (0.116 R)
• M2: 468,840 km (0.115 R)
• M3: 790,924 km (0.086 R)
• M4: 1,154,896 km (0.058 R)
• M5: 1,810,433 km (0.097 R)
• M6: 3,376,424 km (0.119 R)
• M7: 3,682,202 km (0.082 R)
• M8: 4,040,489 km (0.085 R)
• M9: 4,641,872 km (0.115 R)
• M10: 5,110,562 km (0.11 R)
• M11: 5,671,554 km (0.05 R)
• M12: 6,118,254 km (0.095 R)
• M13: 6,557,473 km (0.081 R)
• M14: 6,909,926 km (0.112 R)
• M15: 8,584,973 km (0.109 R)
• M16: 9,552,422 km (0.048 R)
• M17: 10,859,908 km (0.092 R)
• M18: 12,701,308 km (0.082 R)
• M19: 12,981,355 km (0.098 R)
• M20: 13,949,403 km (0.092 R)
• M21: 15,486,820 km (0.104 R)
• M22: 16,984,445 km (0.106 R)
• M23: 17,267,933 km (0.119 R)
• M24: 18,299,859 km (0.072 R)
• M25: 19,018,826 km (0.108 R)
• M26: 22,870,373 km (0.087 R)
• M27: 23,436,152 km (0.039 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.6

Radius: 5.7

Gravity: 27.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.12 AU - 6.5 AU

Year: 10570 Days

Day: 20.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,497,698 km

• M1: 110,553 km (0.107 R)
• M2: 266,733 km (0.082 R)
• M3: 473,328 km (0.097 R)
• M4: 682,316 km (0.12 R)
• M5: 1,137,393 km (0.115 R)
• M6: 1,570,329 km (0.04 R)
• M7: 2,076,867 km (0.111 R)
• M8: 2,657,008 km (0.089 R)
• M9: 4,367,659 km (0.092 R)
• M10: 4,553,161 km (0.106 R)
• M11: 7,045,162 km (0.107 R)
• M12: 9,946,164 km (0.066 R)
• M13: 11,090,289 km (0.074 R)
• M14: 11,386,044 km (0.109 R)
• M15: 16,056,489 km (0.062 R)
• M16: 16,953,627 km (0.053 R)
• M17: 21,123,818 km (0.106 R)
• M18: 21,874,949 km (0.086 R)
• M19: 26,658,939 km (0.12 R)
• M20: 33,093,143 km (0.052 R)
• M21: 35,685,525 km (0.112 R)
• M22: 37,018,442 km (0.116 R)
• M23: 37,468,133 km (0.029 R)
• M24: 38,650,255 km (0.096 R)
• M25: 46,933,490 km (0.058 R)
• M26: 50,744,944 km (0.117 R)
• M27: 51,588,676 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.3

Radius: 7.9

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.82 AU - 9.46 AU

Year: 18427 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 162.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,497,698 km

• M1: 98,884 km (0.092 R)
• M2: 1,035,516 km (0.088 R)
• M3: 2,476,443 km (0.09 R)
• M4: 5,894,007 km (0.074 R)
• M5: 9,770,087 km (0.117 R)
• M6: 11,377,068 km (0.027 R)
• M7: 13,231,483 km (0.107 R)
• M8: 13,732,935 km (0.12 R)
• M9: 19,565,606 km (0.088 R)
• M10: 20,950,284 km (0.119 R)
• M11: 23,612,229 km (0.11 R)
• M12: 28,404,148 km (0.056 R)
• M13: 28,586,657 km (0.081 R)
• M14: 39,858,408 km (0.119 R)
• M15: 40,727,422 km (0.061 R)
• M16: 40,946,284 km (0.064 R)
• M17: 41,605,861 km (0.094 R)
• M18: 42,382,274 km (0.119 R)
• M19: 43,616,755 km (0.078 R)
• M20: 43,843,097 km (0.101 R)
• M21: 44,983,781 km (0.071 R)
• M22: 53,880,665 km (0.083 R)
• M23: 54,384,511 km (0.112 R)
• M24: 59,287,880 km (0.068 R)
• M25: 65,784,616 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 12,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit