🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 14

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.73 AU

Year: 364 Days

Day: 9.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,914,384 km

• M1: 174,132 km (0.091 R)
• M2: 614,249 km (0.059 R)
• M3: 1,126,173 km (0.099 R)
• M4: 1,722,320 km (0.062 R)
• M5: 2,158,996 km (0.099 R)
• M6: 2,811,243 km (0.089 R)
• M7: 3,730,373 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 13.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.7 AU - 0.96 AU

Year: 481 Days

Day: 14 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,914,384 km

• M1: 164,109 km (0.088 R)
• M2: 587,321 km (0.044 R)
• M3: 1,083,089 km (0.064 R)
• M4: 1,504,805 km (0.051 R)
• M5: 1,950,607 km (0.112 R)
• M6: 2,391,172 km (0.066 R)
• M7: 2,934,661 km (0.035 R)
• M8: 3,570,153 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 10.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.75 AU - 0.91 AU

Year: 481 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,914,384 km

• M1: 126,111 km (0.114 R)
• M2: 471,981 km (0.09 R)
• M3: 920,177 km (0.114 R)
• M4: 1,471,445 km (0.094 R)
• M5: 3,540,234 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602

Radius: 11.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.99 AU - 1.23 AU

Year: 744 Days

Day: 7.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,914,384 km

• M1: 138,079 km (0.075 R)
• M2: 582,833 km (0.116 R)
• M3: 1,048,531 km (0.086 R)
• M4: 1,473,090 km (0.033 R)
• M5: 1,958,386 km (0.095 R)
• M6: 2,401,345 km (0.111 R)
• M7: 2,946,330 km (0.096 R)
• M8: 3,504,779 km (0.117 R)
• M9: 3,925,299 km (0.101 R)
• M10: 4,458,316 km (0.048 R)
• M11: 5,004,647 km (0.085 R)
• M12: 6,830,190 km (0.12 R)
• M13: 7,649,238 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 13.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.94 AU - 2.04 AU

Year: 1785 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,914,384 km

• M1: 164,109 km (0.031 R)
• M2: 618,438 km (0.11 R)
• M3: 1,158,785 km (0.075 R)
• M4: 1,843,644 km (0.113 R)
• M5: 2,437,398 km (0.064 R)
• M6: 4,014,160 km (0.105 R)
• M7: 4,712,034 km (0.11 R)
• M8: 5,323,291 km (0.096 R)
• M9: 6,514,838 km (0.112 R)
• M10: 9,390,558 km (0.107 R)
• M11: 9,821,100 km (0.039 R)
• M12: 11,924,446 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 11.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.1 AU - 3.76 AU

Year: 4039 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,914,384 km

• M1: 144,212 km (0.109 R)
• M2: 584,778 km (0.049 R)
• M3: 986,448 km (0.031 R)
• M4: 1,445,564 km (0.054 R)
• M5: 2,188,766 km (0.083 R)
• M6: 2,673,314 km (0.094 R)
• M7: 3,041,474 km (0.1 R)
• M8: 3,423,996 km (0.087 R)
• M9: 4,428,097 km (0.058 R)
• M10: 5,788,690 km (0.099 R)
• M11: 6,198,737 km (0.107 R)
• M12: 6,596,668 km (0.109 R)
• M13: 8,774,214 km (0.094 R)
• M14: 9,596,255 km (0.111 R)
• M15: 11,484,329 km (0.07 R)
• M16: 12,955,624 km (0.108 R)
• M17: 13,813,867 km (0.088 R)
• M18: 15,756,246 km (0.079 R)
• M19: 17,148,254 km (0.081 R)
• M20: 18,747,156 km (0.06 R)
• M21: 19,779,232 km (0.1 R)
• M22: 20,242,537 km (0.112 R)
• M23: 22,310,578 km (0.065 R)
• M24: 23,988,916 km (0.091 R)
• M25: 26,064,587 km (0.057 R)
• M26: 26,461,619 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 13.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.23 AU - 4.63 AU

Year: 5928 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,914,384 km

• M1: 166,652 km (0.078 R)
• M2: 919,129 km (0.093 R)
• M3: 1,570,478 km (0.066 R)
• M4: 2,283,013 km (0.119 R)
• M5: 3,101,164 km (0.077 R)
• M6: 3,590,498 km (0.104 R)
• M7: 4,539,398 km (0.107 R)
• M8: 4,974,578 km (0.057 R)
• M9: 5,588,228 km (0.085 R)
• M10: 6,154,157 km (0.091 R)
• M11: 6,862,503 km (0.106 R)
• M12: 7,475,256 km (0.079 R)
• M13: 8,727,839 km (0.05 R)
• M14: 10,025,152 km (0.106 R)
• M15: 11,950,028 km (0.12 R)
• M16: 12,999,905 km (0.086 R)
• M17: 15,343,506 km (0.118 R)
• M18: 19,122,198 km (0.09 R)
• M19: 20,853,195 km (0.041 R)
• M20: 21,452,783 km (0.056 R)
• M21: 22,063,891 km (0.092 R)
• M22: 23,804,312 km (0.056 R)
• M23: 25,042,384 km (0.088 R)
• M24: 30,907,369 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691

Radius: 9.6

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.71 AU - 7.39 AU

Year: 9462 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,914,384 km

• M1: 119,379 km (0.119 R)
• M2: 426,504 km (0.086 R)
• M3: 912,996 km (0.061 R)
• M4: 1,342,342 km (0.082 R)
• M5: 2,615,270 km (0.089 R)
• M6: 3,897,025 km (0.098 R)
• M7: 4,274,610 km (0.095 R)
• M8: 5,556,215 km (0.079 R)
• M9: 6,505,263 km (0.096 R)
• M10: 7,315,485 km (0.103 R)
• M11: 11,674,468 km (0.086 R)
• M12: 12,233,515 km (0.062 R)
• M13: 12,635,335 km (0.08 R)
• M14: 14,458,335 km (0.067 R)
• M15: 18,022,803 km (0.095 R)
• M16: 19,614,974 km (0.045 R)
• M17: 22,133,753 km (0.102 R)
• M18: 23,868,639 km (0.061 R)
• M19: 25,413,088 km (0.091 R)
• M20: 26,257,269 km (0.101 R)
• M21: 30,028,332 km (0.091 R)
• M22: 31,183,975 km (0.111 R)
• M23: 35,404,430 km (0.08 R)
• M24: 37,290,112 km (0.101 R)
• M25: 42,951,194 km (0.089 R)
• M26: 43,880,347 km (0.103 R)
• M27: 44,958,648 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.3

Radius: 7.6

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.11 AU - 7.91 AU

Year: 13086 Days

Day: 17.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,914,384 km

• M1: 96,042 km (0.093 R)
• M2: 648,956 km (0.092 R)
• M3: 966,701 km (0.034 R)
• M4: 1,262,756 km (0.08 R)
• M5: 1,633,310 km (0.107 R)
• M6: 1,957,787 km (0.105 R)
• M7: 2,233,347 km (0.103 R)
• M8: 3,581,672 km (0.05 R)
• M9: 5,403,026 km (0.059 R)
• M10: 7,032,895 km (0.118 R)
• M11: 7,810,804 km (0.037 R)
• M12: 8,464,397 km (0.09 R)
• M13: 9,830,674 km (0.097 R)
• M14: 11,175,260 km (0.048 R)
• M15: 14,098,552 km (0.119 R)
• M16: 23,913,818 km (0.089 R)
• M17: 34,194,333 km (0.088 R)
• M18: 42,827,178 km (0.119 R)

Asteroid Belt

Center: 7.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 6.5

Gravity: 22.16 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.02 AU - 8.48 AU

Year: 15067 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,914,384 km

• M1: 84,074 km (0.108 R)
• M2: 406,009 km (0.025 R)
• M3: 1,171,950 km (0.113 R)
• M4: 1,947,615 km (0.092 R)
• M5: 2,613,325 km (0.111 R)
• M6: 2,948,424 km (0.119 R)
• M7: 3,448,829 km (0.115 R)
• M8: 3,734,112 km (0.111 R)
• M9: 4,128,452 km (0.111 R)
• M10: 4,384,714 km (0.103 R)
• M11: 5,441,623 km (0.106 R)
• M12: 6,111,073 km (0.106 R)
• M13: 6,572,582 km (0.102 R)
• M14: 7,470,918 km (0.11 R)
• M15: 7,755,752 km (0.065 R)
• M16: 8,097,134 km (0.085 R)
• M17: 11,261,429 km (0.116 R)
• M18: 17,793,171 km (0.086 R)
• M19: 18,559,411 km (0.052 R)
• M20: 19,347,493 km (0.07 R)
• M21: 21,462,657 km (0.076 R)
• M22: 22,526,747 km (0.074 R)
• M23: 23,121,697 km (0.112 R)
• M24: 23,931,171 km (0.076 R)
• M25: 27,809,347 km (0.106 R)
• M26: 33,732,973 km (0.094 R)
• M27: 35,434,948 km (0.069 R)
• M28: 35,701,681 km (0.114 R)
• M29: 45,121,560 km (0.065 R)
• M30: 55,350,763 km (0.093 R)
• M31: 59,201,263 km (0.111 R)
• M32: 60,333,270 km (0.111 R)
• M33: 61,096,070 km (0.12 R)
• M34: 63,422,616 km (0.116 R)
• M35: 65,006,109 km (0.093 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 13,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit