🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 13

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 257 Days

Day: 11.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,274,105 km

• M1: 161,715 km (0.054 R)
• M2: 616,493 km (0.052 R)
• M3: 1,110,315 km (0.066 R)
• M4: 1,533,079 km (0.102 R)
• M5: 1,988,305 km (0.089 R)
• M6: 2,880,657 km (0.119 R)
• M7: 3,348,150 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 10.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.22 AU - 1.76 AU

Year: 1213 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,274,105 km

• M1: 130,749 km (0.097 R)
• M2: 533,765 km (0.073 R)
• M3: 874,100 km (0.044 R)
• M4: 1,297,462 km (0.11 R)
• M5: 1,789,639 km (0.116 R)
• M6: 2,403,739 km (0.119 R)
• M7: 2,734,948 km (0.109 R)
• M8: 3,341,268 km (0.119 R)
• M9: 4,034,954 km (0.098 R)
• M10: 4,416,428 km (0.071 R)
• M11: 5,435,788 km (0.064 R)
• M12: 6,034,180 km (0.109 R)
• M13: 7,439,053 km (0.09 R)
• M14: 8,204,546 km (0.093 R)
• M15: 9,197,427 km (0.115 R)
• M16: 10,205,118 km (0.074 R)
• M17: 10,784,959 km (0.068 R)
• M18: 11,149,978 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 12.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.64 AU - 2.62 AU

Year: 2073 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,274,105 km

• M1: 155,881 km (0.062 R)
• M2: 803,640 km (0.093 R)
• M3: 1,266,346 km (0.119 R)
• M4: 1,837,959 km (0.044 R)
• M5: 2,237,236 km (0.073 R)
• M6: 2,681,991 km (0.089 R)
• M7: 3,097,574 km (0.102 R)
• M8: 3,736,057 km (0.12 R)
• M9: 5,028,583 km (0.092 R)
• M10: 5,534,523 km (0.083 R)
• M11: 6,144,134 km (0.09 R)
• M12: 6,624,343 km (0.052 R)
• M13: 7,233,655 km (0.118 R)
• M14: 9,475,529 km (0.108 R)
• M15: 9,922,378 km (0.112 R)
• M16: 10,721,081 km (0.082 R)
• M17: 11,962,145 km (0.115 R)
• M18: 13,376,144 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 8.6

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.15 AU - 3.17 AU

Year: 3746 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,274,105 km

• M1: 106,962 km (0.067 R)
• M2: 461,509 km (0.109 R)
• M3: 930,349 km (0.096 R)
• M4: 1,332,019 km (0.116 R)
• M5: 1,628,672 km (0.108 R)
• M6: 2,097,961 km (0.036 R)
• M7: 2,401,046 km (0.076 R)
• M8: 2,686,179 km (0.119 R)
• M9: 3,130,784 km (0.099 R)
• M10: 3,818,934 km (0.045 R)
• M11: 4,426,003 km (0.104 R)
• M12: 4,695,428 km (0.102 R)
• M13: 6,723,826 km (0.099 R)
• M14: 7,640,262 km (0.108 R)
• M15: 9,239,912 km (0.037 R)
• M16: 10,687,571 km (0.091 R)
• M17: 12,280,489 km (0.082 R)
• M18: 12,679,916 km (0.106 R)
• M19: 14,315,768 km (0.03 R)
• M20: 15,058,372 km (0.061 R)
• M21: 15,774,198 km (0.045 R)
• M22: 18,001,561 km (0.112 R)
• M23: 18,866,236 km (0.076 R)
• M24: 19,458,045 km (0.092 R)

Asteroid Belt

Center: 3.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.1

Radius: 13

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.72 AU - 3.78 AU

Year: 4843 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,274,105 km

• M1: 161,715 km (0.091 R)
• M2: 592,707 km (0.118 R)
• M3: 1,309,131 km (0.104 R)
• M4: 2,427,225 km (0.072 R)
• M5: 2,930,921 km (0.092 R)
• M6: 3,338,875 km (0.061 R)
• M7: 3,851,996 km (0.096 R)
• M8: 5,011,229 km (0.116 R)
• M9: 5,835,364 km (0.086 R)
• M10: 6,264,411 km (0.079 R)
• M11: 7,049,650 km (0.118 R)
• M12: 7,466,280 km (0.1 R)
• M13: 7,936,167 km (0.075 R)
• M14: 9,633,504 km (0.037 R)
• M15: 11,704,986 km (0.025 R)
• M16: 14,553,330 km (0.039 R)
• M17: 17,018,852 km (0.085 R)
• M18: 19,819,324 km (0.111 R)
• M19: 26,483,909 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.1

Radius: 3.3

Gravity: 52.99 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.76 AU - 10.42 AU

Year: 16789 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,274,105 km

• M1: 41,887 km (0.059 R)
• M2: 235,916 km (0.092 R)
• M3: 507,586 km (0.094 R)
• M4: 891,753 km (0.096 R)
• M5: 1,063,790 km (0.117 R)
• M6: 1,327,083 km (0.116 R)
• M7: 2,038,570 km (0.062 R)
• M8: 2,214,647 km (0.12 R)
• M9: 2,422,289 km (0.089 R)
• M10: 2,734,350 km (0.118 R)
• M11: 5,374,304 km (0.066 R)
• M12: 6,021,314 km (0.075 R)
• M13: 6,140,693 km (0.094 R)
• M14: 7,020,778 km (0.063 R)
• M15: 9,078,945 km (0.068 R)
• M16: 10,216,487 km (0.105 R)
• M17: 10,329,583 km (0.097 R)
• M18: 10,500,723 km (0.108 R)
• M19: 10,731,852 km (0.05 R)
• M20: 11,144,443 km (0.083 R)
• M21: 12,445,795 km (0.063 R)
• M22: 14,123,086 km (0.105 R)
• M23: 14,333,870 km (0.09 R)
• M24: 15,125,093 km (0.079 R)
• M25: 17,110,256 km (0.076 R)
• M26: 17,349,912 km (0.064 R)
• M27: 17,672,894 km (0.116 R)
• M28: 19,090,483 km (0.106 R)
• M29: 24,902,361 km (0.111 R)
• M30: 26,360,342 km (0.092 R)
• M31: 26,679,883 km (0.081 R)
• M32: 29,559,492 km (0.072 R)
• M33: 30,135,893 km (0.082 R)
• M34: 35,406,824 km (0.113 R)
• M35: 39,012,133 km (0.077 R)
• M36: 39,427,117 km (0.115 R)
• M37: 45,246,175 km (0.086 R)
• M38: 52,447,218 km (0.097 R)
• M39: 52,615,366 km (0.064 R)
• M40: 54,834,052 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 6.4

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.05 AU - 12.83 AU

Year: 22495 Days

Day: 20.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,274,105 km

• M1: 95,593 km (0.12 R)
• M2: 338,241 km (0.104 R)
• M3: 641,775 km (0.111 R)
• M4: 1,391,410 km (0.069 R)
• M5: 1,814,622 km (0.104 R)
• M6: 2,763,821 km (0.056 R)
• M7: 3,432,224 km (0.12 R)
• M8: 6,210,256 km (0.069 R)
• M9: 9,912,654 km (0.07 R)
• M10: 14,867,635 km (0.043 R)
• M11: 15,895,372 km (0.105 R)
• M12: 18,268,294 km (0.118 R)
• M13: 20,290,857 km (0.086 R)
• M14: 26,900,240 km (0.105 R)
• M15: 32,804,719 km (0.038 R)
• M16: 36,902,204 km (0.073 R)
• M17: 37,329,905 km (0.035 R)
• M18: 37,616,833 km (0.086 R)
• M19: 38,779,059 km (0.112 R)
• M20: 39,369,223 km (0.111 R)
• M21: 41,789,417 km (0.103 R)
• M22: 44,467,817 km (0.104 R)
• M23: 47,425,966 km (0.086 R)
• M24: 51,570,874 km (0.113 R)
• M25: 56,138,546 km (0.104 R)
• M26: 66,068,553 km (0.11 R)
• M27: 69,477,440 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 14,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit