🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 9.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.6 AU - 0.98 AU

Year: 485 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,215,673 km

• M1: 118,182 km (0.096 R)
• M2: 450,140 km (0.116 R)
• M3: 832,961 km (0.072 R)
• M4: 1,175,989 km (0.087 R)
• M5: 1,620,893 km (0.096 R)
• M6: 2,134,762 km (0.101 R)
• M7: 2,638,308 km (0.054 R)
• M8: 2,934,063 km (0.08 R)
• M9: 3,241,187 km (0.09 R)
• M10: 3,700,303 km (0.112 R)
• M11: 3,996,358 km (0.115 R)
• M12: 4,511,273 km (0.083 R)
• M13: 5,040,251 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 14.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.15 AU - 1.91 AU

Year: 1306 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,215,673 km

• M1: 183,108 km (0.117 R)
• M2: 1,062,145 km (0.098 R)
• M3: 1,734,737 km (0.086 R)
• M4: 2,291,391 km (0.118 R)
• M5: 2,761,427 km (0.09 R)
• M6: 4,253,067 km (0.097 R)
• M7: 5,108,019 km (0.076 R)
• M8: 6,470,258 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 12.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.69 AU - 3.85 AU

Year: 4082 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,215,673 km

• M1: 154,235 km (0.118 R)
• M2: 828,922 km (0.04 R)
• M3: 1,458,430 km (0.116 R)
• M4: 1,876,855 km (0.056 R)
• M5: 3,131,083 km (0.102 R)
• M6: 4,199,063 km (0.114 R)
• M7: 4,779,502 km (0.089 R)
• M8: 5,750,393 km (0.096 R)
• M9: 7,379,214 km (0.115 R)
• M10: 9,619,143 km (0.052 R)
• M11: 11,253,201 km (0.069 R)
• M12: 12,279,891 km (0.084 R)
• M13: 12,915,383 km (0.111 R)
• M14: 13,521,404 km (0.073 R)
• M15: 14,305,446 km (0.044 R)
• M16: 15,064,356 km (0.095 R)
• M17: 17,686,657 km (0.074 R)
• M18: 18,245,405 km (0.11 R)
• M19: 18,752,093 km (0.066 R)
• M20: 19,398,505 km (0.065 R)
• M21: 20,873,092 km (0.112 R)
• M22: 22,205,560 km (0.116 R)
• M23: 23,668,777 km (0.1 R)
• M24: 26,786,396 km (0.045 R)
• M25: 27,606,641 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168

Radius: 14.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.76 AU - 4.5 AU

Year: 5793 Days

Day: 8.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,215,673 km

• M1: 182,061 km (0.091 R)
• M2: 679,324 km (0.073 R)
• M3: 1,553,424 km (0.086 R)
• M4: 2,218,686 km (0.029 R)
• M5: 2,810,944 km (0.075 R)
• M6: 3,830,005 km (0.112 R)
• M7: 4,512,620 km (0.067 R)
• M8: 5,130,609 km (0.109 R)
• M9: 5,624,431 km (0.044 R)
• M10: 8,090,103 km (0.045 R)
• M11: 8,900,774 km (0.116 R)
• M12: 10,763,866 km (0.096 R)
• M13: 12,257,900 km (0.107 R)
• M14: 13,054,808 km (0.094 R)
• M15: 14,075,664 km (0.092 R)
• M16: 19,339,265 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.84 AU - 5.32 AU

Year: 6766 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,215,673 km

• M1: 187,446 km (0.097 R)
• M2: 712,834 km (0.119 R)
• M3: 1,773,632 km (0.099 R)
• M4: 3,063,764 km (0.063 R)
• M5: 8,984,699 km (0.066 R)
• M6: 10,405,130 km (0.045 R)
• M7: 13,641,531 km (0.074 R)
• M8: 17,220,510 km (0.049 R)
• M9: 17,834,759 km (0.116 R)
• M10: 18,521,712 km (0.107 R)
• M11: 20,131,834 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.7

Radius: 5.4

Gravity: 28.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.43 AU - 6.81 AU

Year: 9196 Days

Day: 21.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,215,673 km

• M1: 67,169 km (0.116 R)
• M2: 371,900 km (0.103 R)
• M3: 545,583 km (0.043 R)
• M4: 1,146,668 km (0.092 R)
• M5: 1,446,312 km (0.087 R)
• M6: 1,781,262 km (0.034 R)
• M7: 2,350,631 km (0.11 R)
• M8: 2,771,450 km (0.12 R)
• M9: 3,360,417 km (0.118 R)
• M10: 4,601,331 km (0.117 R)
• M11: 5,032,921 km (0.079 R)
• M12: 6,565,701 km (0.093 R)
• M13: 7,902,208 km (0.108 R)
• M14: 10,206,614 km (0.063 R)
• M15: 10,832,531 km (0.104 R)
• M16: 13,104,175 km (0.085 R)
• M17: 13,780,507 km (0.101 R)
• M18: 18,792,634 km (0.083 R)
• M19: 20,618,925 km (0.115 R)
• M20: 21,197,420 km (0.096 R)
• M21: 22,560,256 km (0.106 R)
• M22: 23,530,399 km (0.115 R)
• M23: 23,980,539 km (0.107 R)
• M24: 24,620,219 km (0.077 R)
• M25: 25,838,245 km (0.112 R)
• M26: 30,047,630 km (0.102 R)
• M27: 32,314,187 km (0.113 R)
• M28: 38,910,257 km (0.113 R)
• M29: 39,161,132 km (0.089 R)
• M30: 39,539,465 km (0.064 R)
• M31: 40,818,078 km (0.053 R)
• M32: 42,256,312 km (0.097 R)
• M33: 42,787,534 km (0.12 R)
• M34: 43,863,292 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.6

Radius: 4.5

Gravity: 24.92 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.54 AU - 8.62 AU

Year: 14405 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,215,673 km

• M1: 55,950 km (0.069 R)
• M2: 197,768 km (0.083 R)
• M3: 356,641 km (0.095 R)
• M4: 1,319,453 km (0.111 R)
• M5: 2,301,414 km (0.095 R)
• M6: 2,586,846 km (0.065 R)
• M7: 2,918,505 km (0.102 R)
• M8: 3,082,614 km (0.099 R)
• M9: 3,327,954 km (0.068 R)
• M10: 3,720,200 km (0.116 R)
• M11: 4,230,777 km (0.115 R)
• M12: 5,115,948 km (0.117 R)
• M13: 5,495,328 km (0.102 R)
• M14: 6,387,829 km (0.112 R)
• M15: 7,678,410 km (0.117 R)
• M16: 8,037,744 km (0.07 R)
• M17: 10,004,657 km (0.072 R)
• M18: 10,818,320 km (0.095 R)
• M19: 11,269,806 km (0.094 R)
• M20: 16,645,905 km (0.12 R)
• M21: 17,553,365 km (0.116 R)
• M22: 19,965,481 km (0.1 R)
• M23: 21,868,666 km (0.087 R)
• M24: 22,137,194 km (0.103 R)
• M25: 27,667,079 km (0.105 R)
• M26: 33,218,656 km (0.03 R)
• M27: 34,170,547 km (0.09 R)
• M28: 35,509,149 km (0.08 R)
• M29: 37,008,718 km (0.096 R)
• M30: 39,204,665 km (0.107 R)
• M31: 40,401,598 km (0.073 R)
• M32: 41,897,427 km (0.119 R)
• M33: 42,868,317 km (0.106 R)
• M34: 47,647,819 km (0.119 R)
• M35: 48,857,767 km (0.115 R)
• M36: 51,496,524 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 11,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit