🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 11.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.77 AU - 0.95 AU

Year: 551 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,711,831 km

• M1: 140,622 km (0.115 R)
• M2: 497,263 km (0.115 R)
• M3: 1,238,521 km (0.088 R)
• M4: 1,591,422 km (0.104 R)
• M5: 2,089,284 km (0.103 R)
• M6: 3,040,128 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.5

Radius: 10.4

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.5 AU - 1.72 AU

Year: 1410 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,711,831 km

• M1: 130,300 km (0.069 R)
• M2: 461,659 km (0.11 R)
• M3: 804,687 km (0.116 R)
• M4: 1,133,204 km (0.081 R)
• M5: 1,544,897 km (0.052 R)
• M6: 2,101,551 km (0.082 R)
• M7: 2,844,005 km (0.114 R)
• M8: 3,183,592 km (0.106 R)
• M9: 3,804,872 km (0.077 R)
• M10: 6,185,124 km (0.091 R)
• M11: 7,396,568 km (0.108 R)
• M12: 8,913,789 km (0.105 R)
• M13: 9,387,715 km (0.038 R)
• M14: 9,778,764 km (0.097 R)
• M15: 11,125,893 km (0.054 R)
• M16: 12,128,348 km (0.064 R)
• M17: 12,988,835 km (0.081 R)
• M18: 13,847,676 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 9.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.71 AU - 1.97 AU

Year: 1723 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,711,831 km

• M1: 114,891 km (0.115 R)
• M2: 648,806 km (0.068 R)
• M3: 963,111 km (0.101 R)
• M4: 1,274,723 km (0.074 R)
• M5: 1,918,144 km (0.057 R)
• M6: 2,579,067 km (0.068 R)
• M7: 3,765,229 km (0.098 R)
• M8: 4,785,187 km (0.069 R)
• M9: 5,234,878 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 9.1

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.84 AU - 2.6 AU

Year: 2283 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,711,831 km

• M1: 113,096 km (0.094 R)
• M2: 433,983 km (0.103 R)
• M3: 807,679 km (0.107 R)
• M4: 1,976,487 km (0.09 R)
• M5: 2,275,084 km (0.038 R)
• M6: 2,633,820 km (0.085 R)
• M7: 4,574,104 km (0.066 R)
• M8: 4,983,554 km (0.05 R)
• M9: 5,876,055 km (0.079 R)
• M10: 6,784,413 km (0.116 R)
• M11: 8,072,451 km (0.084 R)
• M12: 9,480,017 km (0.089 R)
• M13: 9,958,730 km (0.116 R)
• M14: 10,805,454 km (0.042 R)
• M15: 11,368,840 km (0.072 R)
• M16: 11,699,451 km (0.104 R)
• M17: 12,079,130 km (0.103 R)
• M18: 13,541,898 km (0.042 R)
• M19: 14,628,877 km (0.093 R)
• M20: 16,132,784 km (0.09 R)
• M21: 18,014,576 km (0.084 R)
• M22: 18,351,320 km (0.108 R)
• M23: 18,749,400 km (0.079 R)
• M24: 19,211,508 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 13.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.84 AU - 2.78 AU

Year: 2423 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,711,831 km

• M1: 172,935 km (0.054 R)
• M2: 693,685 km (0.103 R)
• M3: 1,210,995 km (0.042 R)
• M4: 2,467,916 km (0.115 R)
• M5: 3,328,852 km (0.095 R)
• M6: 3,948,486 km (0.047 R)
• M7: 4,403,563 km (0.105 R)
• M8: 6,993,850 km (0.102 R)
• M9: 8,112,992 km (0.072 R)
• M10: 9,169,601 km (0.058 R)
• M11: 9,639,189 km (0.116 R)
• M12: 12,450,881 km (0.109 R)
• M13: 13,950,001 km (0.077 R)
• M14: 15,364,001 km (0.032 R)
• M15: 16,184,096 km (0.067 R)
• M16: 17,633,849 km (0.107 R)
• M17: 20,606,359 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 11.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.22 AU - 2.72 AU

Year: 2680 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,711,831 km

• M1: 138,079 km (0.047 R)
• M2: 509,381 km (0.094 R)
• M3: 885,171 km (0.083 R)
• M4: 1,597,406 km (0.109 R)
• M5: 1,958,087 km (0.12 R)
• M6: 2,334,774 km (0.102 R)
• M7: 3,124,950 km (0.036 R)
• M8: 3,733,065 km (0.08 R)
• M9: 4,104,068 km (0.091 R)
• M10: 5,391,358 km (0.065 R)
• M11: 6,293,582 km (0.109 R)
• M12: 6,660,247 km (0.1 R)
• M13: 8,027,272 km (0.086 R)
• M14: 8,939,071 km (0.101 R)
• M15: 10,201,079 km (0.096 R)
• M16: 12,576,693 km (0.092 R)
• M17: 13,415,937 km (0.105 R)
• M18: 13,849,322 km (0.107 R)
• M19: 14,426,770 km (0.051 R)
• M20: 15,868,445 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 8.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.72 AU - 5.08 AU

Year: 6371 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,711,831 km

• M1: 110,702 km (0.075 R)
• M2: 558,000 km (0.069 R)
• M3: 1,700,180 km (0.085 R)
• M4: 2,103,645 km (0.099 R)
• M5: 2,654,465 km (0.079 R)
• M6: 3,439,105 km (0.104 R)
• M7: 3,732,616 km (0.106 R)
• M8: 6,469,210 km (0.115 R)
• M9: 7,561,724 km (0.094 R)
• M10: 9,164,066 km (0.058 R)
• M11: 11,950,626 km (0.077 R)
• M12: 12,237,854 km (0.085 R)
• M13: 13,177,927 km (0.113 R)
• M14: 13,691,646 km (0.107 R)
• M15: 14,218,679 km (0.098 R)
• M16: 15,938,756 km (0.111 R)
• M17: 18,168,063 km (0.116 R)
• M18: 18,676,097 km (0.107 R)
• M19: 19,324,455 km (0.118 R)
• M20: 22,284,398 km (0.103 R)
• M21: 23,161,490 km (0.106 R)
• M22: 27,147,376 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 9.1

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.8 AU - 5.32 AU

Year: 7857 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,711,831 km

• M1: 113,096 km (0.083 R)
• M2: 433,834 km (0.05 R)
• M3: 1,040,603 km (0.056 R)
• M4: 1,615,956 km (0.056 R)
• M5: 2,372,024 km (0.09 R)
• M6: 2,658,055 km (0.105 R)
• M7: 3,097,574 km (0.044 R)
• M8: 4,016,553 km (0.028 R)
• M9: 5,587,780 km (0.085 R)
• M10: 6,383,640 km (0.089 R)
• M11: 8,546,975 km (0.119 R)
• M12: 9,179,325 km (0.064 R)
• M13: 10,435,947 km (0.109 R)
• M14: 13,109,710 km (0.071 R)
• M15: 13,525,742 km (0.093 R)
• M16: 14,259,370 km (0.11 R)
• M17: 16,619,875 km (0.05 R)
• M18: 18,627,328 km (0.104 R)
• M19: 19,381,900 km (0.086 R)
• M20: 20,871,596 km (0.104 R)
• M21: 21,768,136 km (0.037 R)
• M22: 28,776,048 km (0.115 R)
• M23: 29,378,179 km (0.116 R)
• M24: 36,215,550 km (0.119 R)
• M25: 43,515,178 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62

Radius: 3.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.94 AU - 7.26 AU

Year: 13059 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,711,831 km

• M1: 45,927 km (0.102 R)
• M2: 161,865 km (0.115 R)
• M3: 2,012,839 km (0.115 R)
• M4: 5,024,843 km (0.118 R)
• M5: 11,579,623 km (0.11 R)
• M6: 13,185,108 km (0.086 R)
• M7: 16,086,409 km (0.1 R)
• M8: 19,132,072 km (0.116 R)
• M9: 19,322,360 km (0.111 R)
• M10: 20,161,455 km (0.062 R)
• M11: 22,050,726 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 10,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit