🌌 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: 922.8

Radius: 10.3

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.66 AU - 0.72 AU

Year: 376 Days

Day: 10.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,568,318 km

• M1: 128,355 km (0.096 R)
• M2: 511,475 km (0.096 R)
• M3: 974,181 km (0.047 R)
• M4: 1,321,996 km (0.101 R)
• M5: 1,688,062 km (0.074 R)
• M6: 2,474,349 km (0.081 R)
• M7: 2,983,430 km (0.09 R)
• M8: 4,323,827 km (0.12 R)
• M9: 4,925,809 km (0.081 R)
• M10: 5,616,353 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 14.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.76 AU - 2.3 AU

Year: 1897 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,568,318 km

• M1: 181,612 km (0.055 R)
• M2: 728,841 km (0.031 R)
• M3: 1,421,329 km (0.103 R)
• M4: 2,389,078 km (0.102 R)
• M5: 3,725,885 km (0.089 R)
• M6: 4,901,275 km (0.099 R)
• M7: 5,683,821 km (0.04 R)
• M8: 6,156,700 km (0.113 R)
• M9: 7,470,020 km (0.07 R)
• M10: 8,766,136 km (0.069 R)
• M11: 9,365,724 km (0.069 R)
• M12: 10,352,621 km (0.101 R)
• M13: 11,446,930 km (0.111 R)
• M14: 12,911,044 km (0.074 R)
• M15: 13,776,767 km (0.056 R)
• M16: 15,100,259 km (0.113 R)
• M17: 17,063,133 km (0.076 R)
• M18: 17,527,186 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.5

Radius: 12

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.17 AU - 2.37 AU

Year: 2244 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,568,318 km

• M1: 149,299 km (0.032 R)
• M2: 574,306 km (0.065 R)
• M3: 1,118,842 km (0.111 R)
• M4: 2,196,097 km (0.036 R)
• M5: 3,600,222 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 12

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.11 AU - 2.45 AU

Year: 2258 Days

Day: 12.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,568,318 km

• M1: 149,299 km (0.093 R)
• M2: 579,692 km (0.113 R)
• M3: 962,064 km (0.074 R)
• M4: 1,484,160 km (0.11 R)
• M5: 3,065,859 km (0.105 R)
• M6: 3,646,448 km (0.075 R)
• M7: 4,697,373 km (0.114 R)
• M8: 5,592,417 km (0.057 R)
• M9: 7,569,203 km (0.088 R)
• M10: 8,503,592 km (0.069 R)
• M11: 9,443,366 km (0.078 R)
• M12: 9,902,781 km (0.085 R)
• M13: 11,292,395 km (0.108 R)
• M14: 12,095,586 km (0.068 R)
• M15: 12,469,431 km (0.11 R)
• M16: 12,936,625 km (0.075 R)
• M17: 14,408,968 km (0.058 R)
• M18: 15,066,301 km (0.111 R)
• M19: 16,746,135 km (0.099 R)
• M20: 17,472,882 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.8

Radius: 7.9

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.2 AU - 7.36 AU

Year: 11581 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,568,318 km

• M1: 101,876 km (0.051 R)
• M2: 506,838 km (0.094 R)
• M3: 754,272 km (0.028 R)
• M4: 2,576,973 km (0.073 R)
• M5: 4,131,145 km (0.109 R)
• M6: 4,841,286 km (0.073 R)
• M7: 6,784,712 km (0.064 R)
• M8: 14,997,037 km (0.06 R)
• M9: 16,963,351 km (0.113 R)
• M10: 17,890,110 km (0.118 R)
• M11: 18,607,133 km (0.116 R)
• M12: 22,207,954 km (0.072 R)
• M13: 22,665,274 km (0.081 R)
• M14: 24,558,136 km (0.094 R)
• M15: 28,013,697 km (0.077 R)
• M16: 28,440,350 km (0.102 R)
• M17: 30,978,727 km (0.105 R)
• M18: 31,780,272 km (0.115 R)
• M19: 32,713,165 km (0.069 R)
• M20: 37,010,214 km (0.115 R)
• M21: 41,392,684 km (0.087 R)
• M22: 44,499,233 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.5

Radius: 3.6

Gravity: 39.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.1 AU - 8.5 AU

Year: 14291 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,568,318 km

• M1: 45,328 km (0.118 R)
• M2: 215,720 km (0.091 R)
• M3: 553,662 km (0.051 R)
• M4: 924,066 km (0.106 R)
• M5: 1,175,091 km (0.113 R)
• M6: 1,343,688 km (0.029 R)
• M7: 1,665,922 km (0.056 R)
• M8: 2,110,527 km (0.093 R)
• M9: 2,320,712 km (0.102 R)
• M10: 3,180,451 km (0.071 R)
• M11: 4,443,954 km (0.108 R)
• M12: 6,831,088 km (0.092 R)
• M13: 9,037,806 km (0.109 R)
• M14: 10,220,527 km (0.076 R)
• M15: 14,720,580 km (0.075 R)
• M16: 14,857,761 km (0.092 R)
• M17: 15,841,816 km (0.116 R)
• M18: 18,810,885 km (0.12 R)
• M19: 31,919,099 km (0.117 R)
• M20: 34,027,831 km (0.068 R)
• M21: 36,102,903 km (0.082 R)
• M22: 37,745,488 km (0.096 R)
• M23: 41,451,176 km (0.095 R)
• M24: 41,724,791 km (0.11 R)
• M25: 43,673,902 km (0.096 R)
• M26: 45,247,222 km (0.069 R)
• M27: 45,682,851 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 4.4

Gravity: 32.1 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.53 AU - 10.05 AU

Year: 15658 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,568,318 km

• M1: 144,960 km (0.106 R)
• M2: 283,039 km (0.119 R)
• M3: 525,388 km (0.116 R)
• M4: 1,244,654 km (0.104 R)
• M5: 4,555,106 km (0.119 R)
• M6: 5,489,494 km (0.096 R)
• M7: 7,364,404 km (0.114 R)
• M8: 9,520,558 km (0.095 R)
• M9: 12,251,916 km (0.08 R)
• M10: 15,098,165 km (0.111 R)
• M11: 17,064,480 km (0.085 R)
• M12: 19,451,912 km (0.12 R)
• M13: 23,778,881 km (0.095 R)
• M14: 37,638,675 km (0.087 R)
• M15: 47,787,095 km (0.05 R)
• M16: 49,531,257 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 12,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit