🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 14.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.97 AU - 1.05 AU

Year: 713 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,552,869 km

• M1: 185,352 km (0.118 R)
• M2: 863,329 km (0.106 R)
• M3: 1,418,487 km (0.09 R)
• M4: 2,215,544 km (0.059 R)
• M5: 2,862,106 km (0.078 R)
• M6: 3,645,251 km (0.118 R)
• M7: 4,374,391 km (0.085 R)
• M8: 5,107,870 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 13.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.93 AU - 1.25 AU

Year: 800 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,552,869 km

• M1: 168,298 km (0.097 R)
• M2: 648,656 km (0.11 R)
• M3: 1,133,353 km (0.093 R)
• M4: 2,036,027 km (0.115 R)
• M5: 2,588,642 km (0.096 R)
• M6: 3,073,638 km (0.111 R)
• M7: 3,606,356 km (0.082 R)
• M8: 4,684,657 km (0.117 R)
• M9: 5,729,748 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 9.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.07 AU - 1.27 AU

Year: 890 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,552,869 km

• M1: 119,080 km (0.07 R)
• M2: 831,914 km (0.058 R)
• M3: 1,139,188 km (0.063 R)
• M4: 1,437,336 km (0.113 R)
• M5: 2,463,129 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 9.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.01 AU - 2.19 AU

Year: 2139 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,552,869 km

• M1: 118,332 km (0.1 R)
• M2: 499,806 km (0.089 R)
• M3: 1,143,227 km (0.062 R)
• M4: 1,530,386 km (0.093 R)
• M5: 1,895,854 km (0.102 R)
• M6: 2,722,382 km (0.1 R)
• M7: 3,279,634 km (0.096 R)
• M8: 3,636,126 km (0.117 R)
• M9: 4,294,057 km (0.105 R)
• M10: 4,622,125 km (0.091 R)
• M11: 5,394,499 km (0.1 R)
• M12: 5,731,244 km (0.081 R)
• M13: 6,372,720 km (0.074 R)
• M14: 8,259,598 km (0.111 R)
• M15: 9,299,153 km (0.099 R)
• M16: 10,492,346 km (0.053 R)
• M17: 11,784,722 km (0.097 R)
• M18: 12,314,897 km (0.104 R)
• M19: 12,860,929 km (0.069 R)
• M20: 13,545,638 km (0.06 R)
• M21: 14,001,463 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 9.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.8 AU - 5.48 AU

Year: 7026 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,552,869 km

• M1: 119,529 km (0.103 R)
• M2: 455,675 km (0.087 R)
• M3: 935,136 km (0.079 R)
• M4: 1,254,079 km (0.118 R)
• M5: 1,813,276 km (0.099 R)
• M6: 2,272,990 km (0.091 R)
• M7: 2,881,853 km (0.041 R)
• M8: 3,427,736 km (0.118 R)
• M9: 4,301,388 km (0.038 R)
• M10: 4,962,012 km (0.088 R)
• M11: 5,372,957 km (0.117 R)
• M12: 6,942,837 km (0.07 R)
• M13: 8,719,761 km (0.064 R)
• M14: 9,278,808 km (0.069 R)
• M15: 10,380,147 km (0.039 R)
• M16: 11,613,881 km (0.049 R)
• M17: 13,564,637 km (0.107 R)
• M18: 14,534,929 km (0.11 R)
• M19: 16,313,498 km (0.096 R)
• M20: 17,913,298 km (0.115 R)
• M21: 18,296,867 km (0.114 R)
• M22: 19,886,344 km (0.097 R)
• M23: 23,337,717 km (0.11 R)
• M24: 26,834,866 km (0.072 R)
• M25: 27,931,568 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 14.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.83 AU - 4.97 AU

Year: 7624 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,552,869 km

• M1: 176,974 km (0.113 R)
• M2: 655,538 km (0.027 R)
• M3: 1,213,688 km (0.105 R)
• M4: 1,969,456 km (0.105 R)
• M5: 3,275,595 km (0.032 R)
• M6: 3,967,336 km (0.113 R)
• M7: 5,676,491 km (0.091 R)
• M8: 7,913,428 km (0.097 R)
• M9: 10,068,086 km (0.072 R)
• M10: 12,054,447 km (0.111 R)
• M11: 15,506,567 km (0.118 R)
• M12: 17,594,505 km (0.11 R)
• M13: 22,083,638 km (0.08 R)
• M14: 23,294,483 km (0.113 R)
• M15: 24,634,431 km (0.067 R)
• M16: 26,025,093 km (0.104 R)
• M17: 26,470,296 km (0.066 R)
• M18: 27,102,048 km (0.088 R)
• M19: 30,413,098 km (0.113 R)
• M20: 35,598,160 km (0.043 R)
• M21: 36,036,781 km (0.105 R)
• M22: 37,487,431 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.8

Radius: 14.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.07 AU - 5.41 AU

Year: 8432 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,552,869 km

• M1: 182,360 km (0.034 R)
• M2: 852,708 km (0.044 R)
• M3: 1,442,572 km (0.097 R)
• M4: 2,048,144 km (0.033 R)
• M5: 3,232,361 km (0.059 R)
• M6: 3,938,014 km (0.038 R)
• M7: 5,047,432 km (0.069 R)
• M8: 6,070,831 km (0.042 R)
• M9: 7,923,302 km (0.09 R)
• M10: 8,528,575 km (0.096 R)
• M11: 9,446,806 km (0.108 R)
• M12: 10,790,046 km (0.116 R)
• M13: 12,716,417 km (0.074 R)
• M14: 14,478,830 km (0.078 R)
• M15: 20,021,281 km (0.077 R)
• M16: 22,314,916 km (0.078 R)
• M17: 25,329,313 km (0.069 R)
• M18: 26,360,192 km (0.034 R)
• M19: 28,008,013 km (0.057 R)
• M20: 31,508,453 km (0.109 R)
• M21: 33,031,060 km (0.091 R)
• M22: 33,586,517 km (0.104 R)
• M23: 38,747,644 km (0.071 R)
• M24: 40,875,823 km (0.059 R)
• M25: 43,611,220 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.8

Radius: 7.4

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.2 AU - 11 AU

Year: 19296 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,552,869 km

• M1: 92,152 km (0.112 R)
• M2: 420,669 km (0.088 R)
• M3: 758,611 km (0.076 R)
• M4: 1,207,404 km (0.117 R)
• M5: 1,440,777 km (0.051 R)
• M6: 1,788,443 km (0.091 R)
• M7: 2,152,115 km (0.099 R)
• M8: 2,979,391 km (0.102 R)
• M9: 3,438,657 km (0.099 R)
• M10: 4,032,859 km (0.06 R)
• M11: 4,339,086 km (0.091 R)
• M12: 4,726,844 km (0.115 R)
• M13: 5,208,399 km (0.089 R)
• M14: 11,721,292 km (0.083 R)
• M15: 12,410,041 km (0.105 R)
• M16: 13,392,450 km (0.105 R)
• M17: 15,585,405 km (0.053 R)
• M18: 16,572,452 km (0.096 R)
• M19: 16,884,364 km (0.045 R)
• M20: 23,191,410 km (0.094 R)
• M21: 27,295,179 km (0.05 R)
• M22: 29,746,489 km (0.095 R)
• M23: 31,025,551 km (0.109 R)
• M24: 31,380,697 km (0.057 R)
• M25: 33,196,964 km (0.119 R)
• M26: 35,856,066 km (0.119 R)
• M27: 41,593,594 km (0.099 R)
• M28: 43,044,693 km (0.045 R)
• M29: 44,379,106 km (0.042 R)
• M30: 46,354,995 km (0.094 R)
• M31: 49,347,251 km (0.08 R)
• M32: 49,993,215 km (0.115 R)
• M33: 53,477,349 km (0.099 R)
• M34: 58,011,062 km (0.078 R)
• M35: 58,550,063 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 19,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit