🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 14.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.27 AU - 1.91 AU

Year: 1384 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,853,485 km

• M1: 176,825 km (0.111 R)
• M2: 773,870 km (0.058 R)
• M3: 1,238,222 km (0.111 R)
• M4: 2,010,895 km (0.081 R)
• M5: 2,946,779 km (0.117 R)
• M6: 3,467,679 km (0.082 R)
• M7: 3,997,704 km (0.113 R)
• M8: 5,180,873 km (0.1 R)
• M9: 5,922,729 km (0.046 R)
• M10: 6,512,743 km (0.077 R)
• M11: 8,118,527 km (0.101 R)
• M12: 9,182,766 km (0.102 R)
• M13: 9,942,424 km (0.094 R)
• M14: 12,174,873 km (0.096 R)
• M15: 13,014,416 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12

Radius: 11

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.95 AU - 2.61 AU

Year: 2376 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,853,485 km

• M1: 136,732 km (0.105 R)
• M2: 551,119 km (0.111 R)
• M3: 1,128,866 km (0.098 R)
• M4: 1,890,169 km (0.09 R)
• M5: 4,344,771 km (0.081 R)
• M6: 4,693,035 km (0.11 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.3

Radius: 6.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.23 AU - 6.51 AU

Year: 11097 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,853,485 km

• M1: 81,680 km (0.099 R)
• M2: 350,657 km (0.082 R)
• M3: 646,861 km (0.066 R)
• M4: 1,430,305 km (0.063 R)
• M5: 2,239,929 km (0.049 R)
• M6: 3,343,064 km (0.113 R)
• M7: 4,503,345 km (0.106 R)
• M8: 6,527,703 km (0.097 R)
• M9: 10,876,364 km (0.116 R)
• M10: 12,053,100 km (0.115 R)
• M11: 12,411,836 km (0.065 R)
• M12: 13,204,256 km (0.069 R)
• M13: 14,541,661 km (0.075 R)
• M14: 16,028,215 km (0.048 R)
• M15: 16,524,581 km (0.083 R)
• M16: 21,538,054 km (0.116 R)
• M17: 22,295,319 km (0.081 R)
• M18: 27,391,071 km (0.102 R)
• M19: 29,834,004 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.8

Radius: 6.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.82 AU - 7.94 AU

Year: 11124 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,853,485 km

• M1: 79,586 km (0.088 R)
• M2: 522,246 km (0.119 R)
• M3: 871,108 km (0.118 R)
• M4: 1,276,668 km (0.09 R)
• M5: 1,498,372 km (0.118 R)
• M6: 1,787,545 km (0.063 R)
• M7: 2,192,955 km (0.091 R)
• M8: 3,464,687 km (0.059 R)
• M9: 5,611,566 km (0.115 R)
• M10: 7,284,668 km (0.044 R)
• M11: 8,195,420 km (0.057 R)
• M12: 8,843,329 km (0.108 R)
• M13: 10,194,945 km (0.081 R)
• M14: 13,137,984 km (0.071 R)
• M15: 15,609,191 km (0.068 R)
• M16: 20,123,158 km (0.065 R)
• M17: 21,980,116 km (0.104 R)
• M18: 28,869,846 km (0.026 R)
• M19: 29,146,004 km (0.08 R)
• M20: 32,799,333 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.2

Radius: 3.2

Gravity: 31.27 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.46 AU - 7.58 AU

Year: 11492 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,853,485 km

• M1: 40,840 km (0.117 R)
• M2: 144,661 km (0.103 R)
• M3: 356,342 km (0.047 R)
• M4: 1,097,151 km (0.098 R)
• M5: 1,338,602 km (0.078 R)
• M6: 2,552,588 km (0.062 R)
• M7: 2,708,469 km (0.092 R)
• M8: 3,560,579 km (0.097 R)
• M9: 4,192,480 km (0.093 R)
• M10: 7,085,703 km (0.092 R)
• M11: 7,995,109 km (0.077 R)
• M12: 8,499,253 km (0.106 R)
• M13: 11,392,925 km (0.116 R)
• M14: 15,449,421 km (0.12 R)
• M15: 21,788,780 km (0.108 R)
• M16: 25,973,781 km (0.042 R)
• M17: 26,246,198 km (0.085 R)
• M18: 26,981,771 km (0.092 R)
• M19: 35,218,929 km (0.088 R)
• M20: 39,962,827 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.4

Radius: 5

Gravity: 34.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.25 AU - 9.33 AU

Year: 15008 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,853,485 km

• M1: 62,233 km (0.09 R)
• M2: 251,773 km (0.064 R)
• M3: 470,037 km (0.092 R)
• M4: 763,099 km (0.106 R)
• M5: 940,223 km (0.102 R)
• M6: 1,119,291 km (0.102 R)
• M7: 1,292,825 km (0.112 R)
• M8: 2,237,685 km (0.109 R)
• M9: 2,537,778 km (0.063 R)
• M10: 3,687,139 km (0.059 R)
• M11: 6,647,082 km (0.116 R)
• M12: 9,574,563 km (0.108 R)
• M13: 10,893,418 km (0.097 R)
• M14: 11,690,026 km (0.112 R)
• M15: 15,117,613 km (0.086 R)
• M16: 19,511,751 km (0.095 R)
• M17: 22,674,998 km (0.107 R)
• M18: 23,068,291 km (0.115 R)
• M19: 23,566,302 km (0.116 R)
• M20: 24,686,940 km (0.098 R)
• M21: 28,488,671 km (0.117 R)
• M22: 32,042,966 km (0.081 R)
• M23: 33,290,463 km (0.088 R)
• M24: 33,670,890 km (0.109 R)
• M25: 34,569,974 km (0.066 R)
• M26: 38,465,502 km (0.082 R)
• M27: 46,637,884 km (0.038 R)
• M28: 48,562,610 km (0.096 R)
• M29: 50,206,691 km (0.113 R)
• M30: 58,800,640 km (0.116 R)
• M31: 63,930,351 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48

Radius: 4.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.84 AU - 9.92 AU

Year: 21436 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,853,485 km

• M1: 59,690 km (0.103 R)
• M2: 274,213 km (0.11 R)
• M3: 622,926 km (0.105 R)
• M4: 851,212 km (0.075 R)
• M5: 1,175,091 km (0.093 R)
• M6: 2,303,358 km (0.062 R)
• M7: 3,824,170 km (0.101 R)
• M8: 4,859,537 km (0.09 R)
• M9: 5,368,320 km (0.101 R)
• M10: 6,967,521 km (0.091 R)
• M11: 14,285,549 km (0.067 R)
• M12: 14,914,758 km (0.053 R)
• M13: 15,383,897 km (0.045 R)
• M14: 15,622,057 km (0.118 R)
• M15: 17,617,094 km (0.109 R)
• M16: 18,810,735 km (0.088 R)
• M17: 19,220,334 km (0.108 R)
• M18: 23,256,335 km (0.117 R)
• M19: 27,999,037 km (0.092 R)
• M20: 29,712,830 km (0.112 R)
• M21: 30,175,237 km (0.095 R)
• M22: 32,461,541 km (0.116 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: 249 - 11,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit