🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 10.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,216,463 km

• M1: 128,205 km (0.083 R)
• M2: 470,336 km (0.05 R)
• M3: 819,198 km (0.108 R)
• M4: 1,280,109 km (0.107 R)
• M5: 2,124,140 km (0.087 R)
• M6: 2,560,517 km (0.077 R)
• M7: 3,279,485 km (0.104 R)
• M8: 3,719,601 km (0.072 R)
• M9: 4,256,059 km (0.078 R)
• M10: 4,687,948 km (0.102 R)
• M11: 5,067,329 km (0.109 R)
• M12: 6,236,436 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 10.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.72 AU - 1.16 AU

Year: 629 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,216,463 km

• M1: 125,662 km (0.109 R)
• M2: 463,454 km (0.1 R)
• M3: 816,505 km (0.086 R)
• M4: 1,310,477 km (0.086 R)
• M5: 1,715,888 km (0.114 R)
• M6: 2,223,324 km (0.099 R)
• M7: 3,739,648 km (0.114 R)
• M8: 5,335,857 km (0.099 R)
• M9: 6,739,833 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 11.5

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.42 AU - 1.44 AU

Year: 1180 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,216,463 km

• M1: 143,016 km (0.062 R)
• M2: 505,042 km (0.087 R)
• M3: 1,296,266 km (0.073 R)
• M4: 1,768,546 km (0.119 R)
• M5: 2,175,003 km (0.106 R)
• M6: 2,971,014 km (0.093 R)
• M7: 3,660,510 km (0.088 R)
• M8: 4,018,498 km (0.106 R)
• M9: 4,472,079 km (0.119 R)
• M10: 5,096,799 km (0.067 R)
• M11: 6,854,574 km (0.109 R)
• M12: 7,224,530 km (0.078 R)
• M13: 9,131,753 km (0.119 R)
• M14: 9,519,960 km (0.09 R)
• M15: 9,981,619 km (0.097 R)
• M16: 10,425,775 km (0.107 R)
• M17: 11,049,897 km (0.067 R)
• M18: 11,560,026 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 10.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.56 AU - 1.6 AU

Year: 1371 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,216,463 km

• M1: 135,536 km (0.1 R)
• M2: 506,688 km (0.084 R)
• M3: 864,376 km (0.083 R)
• M4: 1,224,608 km (0.04 R)
• M5: 1,635,105 km (0.101 R)
• M6: 2,106,637 km (0.104 R)
• M7: 2,778,930 km (0.11 R)
• M8: 3,159,208 km (0.111 R)
• M9: 3,741,144 km (0.05 R)
• M10: 4,223,297 km (0.059 R)
• M11: 4,893,646 km (0.084 R)
• M12: 5,471,692 km (0.101 R)
• M13: 5,860,945 km (0.1 R)
• M14: 6,312,881 km (0.107 R)
• M15: 7,046,060 km (0.118 R)
• M16: 8,410,991 km (0.079 R)
• M17: 9,071,316 km (0.03 R)
• M18: 9,618,245 km (0.091 R)
• M19: 9,974,887 km (0.11 R)
• M20: 10,371,321 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 10.8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.02 AU - 4.82 AU

Year: 5357 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,216,463 km

• M1: 138,677 km (0.116 R)
• M2: 599,588 km (0.094 R)
• M3: 1,056,759 km (0.099 R)
• M4: 1,529,937 km (0.116 R)
• M5: 2,096,913 km (0.078 R)
• M6: 3,106,250 km (0.099 R)
• M7: 4,044,528 km (0.033 R)
• M8: 4,939,722 km (0.117 R)
• M9: 8,700,911 km (0.076 R)
• M10: 9,150,902 km (0.043 R)
• M11: 10,457,938 km (0.084 R)
• M12: 12,034,999 km (0.077 R)
• M13: 12,594,346 km (0.104 R)
• M14: 14,040,957 km (0.116 R)
• M15: 15,065,104 km (0.116 R)
• M16: 15,775,095 km (0.097 R)
• M17: 17,007,632 km (0.12 R)
• M18: 22,205,111 km (0.032 R)
• M19: 26,373,357 km (0.102 R)
• M20: 32,672,175 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.2

Radius: 6.2

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.93 AU - 9.09 AU

Year: 14206 Days

Day: 21.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,216,463 km

• M1: 77,193 km (0.084 R)
• M2: 747,541 km (0.098 R)
• M3: 1,135,448 km (0.079 R)
• M4: 1,749,098 km (0.077 R)
• M5: 2,308,744 km (0.103 R)
• M6: 2,541,668 km (0.071 R)
• M7: 2,790,150 km (0.062 R)
• M8: 3,231,912 km (0.117 R)
• M9: 4,475,819 km (0.049 R)
• M10: 5,187,007 km (0.072 R)
• M11: 6,089,082 km (0.099 R)
• M12: 7,818,134 km (0.045 R)
• M13: 9,632,906 km (0.11 R)
• M14: 10,637,905 km (0.108 R)
• M15: 10,870,529 km (0.065 R)
• M16: 11,106,445 km (0.061 R)
• M17: 12,273,907 km (0.045 R)
• M18: 13,657,238 km (0.057 R)
• M19: 14,922,986 km (0.105 R)
• M20: 19,359,012 km (0.031 R)
• M21: 20,322,871 km (0.117 R)
• M22: 22,062,544 km (0.116 R)
• M23: 23,113,918 km (0.048 R)
• M24: 24,600,771 km (0.106 R)
• M25: 25,212,926 km (0.072 R)
• M26: 28,094,181 km (0.039 R)
• M27: 30,715,584 km (0.098 R)
• M28: 31,425,277 km (0.089 R)
• M29: 34,121,330 km (0.086 R)
• M30: 48,331,482 km (0.115 R)
• M31: 49,130,334 km (0.12 R)
• M32: 50,100,626 km (0.059 R)
• M33: 57,967,529 km (0.092 R)
• M34: 62,569,758 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.2

Radius: 5.4

Gravity: 26.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.36 AU - 8.02 AU

Year: 14720 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,216,463 km

• M1: 71,957 km (0.076 R)
• M2: 246,986 km (0.087 R)
• M3: 528,380 km (0.105 R)
• M4: 878,588 km (0.1 R)
• M5: 1,220,868 km (0.089 R)
• M6: 1,445,415 km (0.048 R)
• M7: 1,697,337 km (0.064 R)
• M8: 3,085,157 km (0.092 R)
• M9: 3,960,903 km (0.113 R)
• M10: 4,456,072 km (0.109 R)
• M11: 5,096,650 km (0.046 R)
• M12: 5,682,026 km (0.041 R)
• M13: 5,991,096 km (0.109 R)
• M14: 7,385,647 km (0.093 R)
• M15: 7,568,156 km (0.105 R)
• M16: 8,427,297 km (0.061 R)
• M17: 9,191,592 km (0.08 R)
• M18: 9,780,559 km (0.111 R)
• M19: 10,394,509 km (0.028 R)
• M20: 10,974,500 km (0.088 R)
• M21: 12,583,425 km (0.032 R)
• M22: 14,916,104 km (0.089 R)
• M23: 20,416,220 km (0.106 R)
• M24: 21,976,226 km (0.063 R)
• M25: 25,228,035 km (0.092 R)
• M26: 25,851,858 km (0.096 R)
• M27: 28,450,074 km (0.09 R)
• M28: 34,411,849 km (0.063 R)
• M29: 36,087,943 km (0.091 R)
• M30: 36,746,922 km (0.048 R)
• M31: 41,012,256 km (0.112 R)
• M32: 52,502,869 km (0.069 R)
• M33: 53,689,329 km (0.068 R)
• M34: 55,589,821 km (0.058 R)
• M35: 56,822,358 km (0.034 R)
• M36: 59,524,544 km (0.041 R)
• M37: 60,075,064 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 11,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit