🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.5

Radius: 8.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 14 Hours

Environment

Temp: -139 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,658,389 km

• M1: 104,419 km (0.118 R)
• M2: 373,546 km (0.028 R)
• M3: 787,034 km (0.101 R)
• M4: 1,250,189 km (0.112 R)
• M5: 1,523,654 km (0.092 R)
• M6: 1,961,976 km (0.114 R)
• M7: 2,356,765 km (0.084 R)
• M8: 2,667,330 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.6

Radius: 8

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.71 AU - 1.17 AU

Year: 641 Days

Day: 5.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,658,389 km

• M1: 99,632 km (0.055 R)
• M2: 365,617 km (0.041 R)
• M3: 641,625 km (0.098 R)
• M4: 987,196 km (0.097 R)
• M5: 1,448,107 km (0.044 R)
• M6: 1,713,344 km (0.093 R)
• M7: 2,090,780 km (0.074 R)
• M8: 2,442,036 km (0.087 R)
• M9: 3,130,934 km (0.108 R)
• M10: 3,915,575 km (0.04 R)
• M11: 4,698,271 km (0.082 R)
• M12: 5,476,030 km (0.052 R)
• M13: 6,203,375 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 11.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.89 AU - 1.41 AU

Year: 867 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,658,389 km

• M1: 141,968 km (0.104 R)
• M2: 500,554 km (0.104 R)
• M3: 978,071 km (0.034 R)
• M4: 1,441,525 km (0.059 R)
• M5: 1,970,204 km (0.033 R)
• M6: 2,724,327 km (0.078 R)
• M7: 3,593,939 km (0.087 R)
• M8: 4,802,092 km (0.072 R)
• M9: 5,242,358 km (0.079 R)
• M10: 5,709,552 km (0.106 R)
• M11: 6,852,929 km (0.07 R)
• M12: 7,368,294 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 9.1

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.96 AU - 1.56 AU

Year: 994 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,658,389 km

• M1: 113,096 km (0.083 R)
• M2: 431,590 km (0.096 R)
• M3: 746,045 km (0.067 R)
• M4: 1,452,446 km (0.117 R)
• M5: 1,972,448 km (0.052 R)
• M6: 2,411,518 km (0.055 R)
• M7: 3,212,614 km (0.074 R)
• M8: 4,231,825 km (0.085 R)
• M9: 5,176,086 km (0.081 R)
• M10: 5,781,359 km (0.047 R)
• M11: 6,433,157 km (0.1 R)
• M12: 6,847,244 km (0.112 R)
• M13: 7,551,701 km (0.119 R)
• M14: 8,117,629 km (0.079 R)
• M15: 8,411,140 km (0.106 R)
• M16: 9,161,673 km (0.079 R)
• M17: 10,169,514 km (0.115 R)
• M18: 10,668,572 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 12.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.78 AU - 2.28 AU

Year: 2033 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,658,389 km

• M1: 155,432 km (0.098 R)
• M2: 591,959 km (0.032 R)
• M3: 1,558,810 km (0.105 R)
• M4: 2,183,531 km (0.101 R)
• M5: 2,580,414 km (0.077 R)
• M6: 3,137,965 km (0.11 R)
• M7: 4,719,813 km (0.081 R)
• M8: 5,371,012 km (0.078 R)
• M9: 5,859,599 km (0.104 R)
• M10: 6,588,889 km (0.103 R)
• M11: 7,429,180 km (0.029 R)
• M12: 7,875,430 km (0.116 R)
• M13: 8,592,752 km (0.087 R)
• M14: 9,413,446 km (0.086 R)
• M15: 10,382,242 km (0.056 R)
• M16: 11,041,819 km (0.066 R)
• M17: 11,624,353 km (0.118 R)
• M18: 12,083,469 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 9.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.3 AU - 3.22 AU

Year: 3223 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,658,389 km

• M1: 124,465 km (0.075 R)
• M2: 460,612 km (0.117 R)
• M3: 1,017,266 km (0.1 R)
• M4: 1,458,430 km (0.102 R)
• M5: 1,796,820 km (0.099 R)
• M6: 2,301,713 km (0.119 R)
• M7: 2,950,369 km (0.104 R)
• M8: 3,364,905 km (0.056 R)
• M9: 3,756,851 km (0.036 R)
• M10: 4,356,739 km (0.063 R)
• M11: 5,094,256 km (0.055 R)
• M12: 5,506,249 km (0.092 R)
• M13: 7,317,281 km (0.109 R)
• M14: 7,675,867 km (0.104 R)
• M15: 8,606,216 km (0.081 R)
• M16: 9,494,678 km (0.104 R)
• M17: 9,882,435 km (0.096 R)
• M18: 11,067,250 km (0.1 R)
• M19: 12,253,113 km (0.068 R)
• M20: 13,570,322 km (0.051 R)
• M21: 16,208,181 km (0.099 R)
• M22: 16,539,541 km (0.104 R)
• M23: 16,988,185 km (0.043 R)
• M24: 18,503,013 km (0.079 R)
• M25: 19,293,189 km (0.071 R)
• M26: 20,105,804 km (0.096 R)
• M27: 23,095,518 km (0.083 R)
• M28: 23,515,289 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 8.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.58 AU - 3.52 AU

Year: 3744 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,658,389 km

• M1: 100,679 km (0.085 R)
• M2: 403,316 km (0.113 R)
• M3: 858,841 km (0.116 R)
• M4: 1,255,874 km (0.102 R)
• M5: 1,969,007 km (0.074 R)
• M6: 2,726,720 km (0.092 R)
• M7: 4,353,448 km (0.088 R)
• M8: 4,783,392 km (0.111 R)
• M9: 5,408,561 km (0.113 R)
• M10: 5,703,419 km (0.077 R)
• M11: 6,245,113 km (0.095 R)
• M12: 8,173,280 km (0.076 R)
• M13: 8,694,628 km (0.084 R)
• M14: 9,134,296 km (0.089 R)
• M15: 11,519,036 km (0.056 R)
• M16: 12,596,590 km (0.061 R)
• M17: 16,080,126 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.6

Radius: 12.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.83 AU - 6.31 AU

Year: 8025 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,658,389 km

• M1: 151,991 km (0.067 R)
• M2: 562,937 km (0.057 R)
• M3: 1,003,951 km (0.109 R)
• M4: 1,877,752 km (0.087 R)
• M5: 2,413,612 km (0.101 R)
• M6: 3,729,475 km (0.103 R)
• M7: 5,084,233 km (0.06 R)
• M8: 8,122,117 km (0.113 R)
• M9: 9,893,655 km (0.117 R)
• M10: 11,572,293 km (0.117 R)
• M11: 12,155,425 km (0.052 R)
• M12: 14,574,273 km (0.067 R)
• M13: 16,986,689 km (0.062 R)
• M14: 19,046,203 km (0.1 R)
• M15: 20,555,346 km (0.099 R)
• M16: 22,514,629 km (0.077 R)
• M17: 23,501,227 km (0.114 R)
• M18: 27,823,409 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.7

Radius: 3.5

Gravity: 58.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.29 AU - 6.75 AU

Year: 9116 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,658,389 km

• M1: 43,683 km (0.091 R)
• M2: 176,974 km (0.074 R)
• M3: 351,705 km (0.097 R)
• M4: 478,414 km (0.062 R)
• M5: 598,840 km (0.062 R)
• M6: 2,689,022 km (0.106 R)
• M7: 4,175,127 km (0.068 R)
• M8: 4,399,823 km (0.031 R)
• M9: 5,028,433 km (0.108 R)
• M10: 10,251,493 km (0.109 R)
• M11: 10,868,884 km (0.111 R)
• M12: 11,294,041 km (0.116 R)
• M13: 13,771,232 km (0.099 R)
• M14: 13,956,434 km (0.09 R)
• M15: 14,143,282 km (0.097 R)
• M16: 14,842,951 km (0.089 R)
• M17: 17,945,761 km (0.042 R)
• M18: 18,464,267 km (0.082 R)
• M19: 21,703,360 km (0.073 R)
• M20: 23,150,719 km (0.068 R)
• M21: 23,764,968 km (0.11 R)
• M22: 28,571,548 km (0.082 R)
• M23: 29,481,851 km (0.118 R)
• M24: 39,797,671 km (0.102 R)
• M25: 41,443,397 km (0.081 R)
• M26: 44,196,597 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.9

Radius: 7

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.01 AU - 7.67 AU

Year: 11221 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 110.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,658,389 km

• M1: 88,412 km (0.119 R)
• M2: 357,240 km (0.119 R)
• M3: 918,681 km (0.086 R)
• M4: 1,140,684 km (0.076 R)
• M5: 2,069,986 km (0.041 R)
• M6: 2,577,721 km (0.048 R)
• M7: 3,188,828 km (0.08 R)
• M8: 4,818,398 km (0.055 R)
• M9: 5,812,625 km (0.084 R)
• M10: 7,342,413 km (0.112 R)
• M11: 7,635,475 km (0.066 R)
• M12: 8,244,787 km (0.086 R)
• M13: 8,470,231 km (0.113 R)
• M14: 10,216,338 km (0.079 R)
• M15: 10,581,805 km (0.092 R)
• M16: 11,283,569 km (0.104 R)
• M17: 11,505,572 km (0.107 R)
• M18: 12,305,921 km (0.061 R)
• M19: 14,664,930 km (0.095 R)
• M20: 16,585,018 km (0.09 R)
• M21: 19,770,107 km (0.096 R)
• M22: 20,999,951 km (0.108 R)
• M23: 21,591,012 km (0.12 R)
• M24: 22,894,757 km (0.028 R)
• M25: 23,251,099 km (0.089 R)
• M26: 25,277,702 km (0.103 R)
• M27: 26,042,895 km (0.104 R)
• M28: 26,528,938 km (0.073 R)
• M29: 30,315,709 km (0.114 R)
• M30: 33,295,998 km (0.117 R)
• M31: 35,269,493 km (0.08 R)
• M32: 45,891,540 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 16,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit