🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 8.6

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.74 AU

Year: 345 Days

Day: 12.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,421,220 km

• M1: 106,962 km (0.104 R)
• M2: 496,366 km (0.061 R)
• M3: 943,364 km (0.093 R)
• M4: 1,303,147 km (0.073 R)
• M5: 1,768,546 km (0.078 R)
• M6: 2,172,161 km (0.115 R)
• M7: 2,666,432 km (0.11 R)
• M8: 3,361,015 km (0.049 R)
• M9: 3,827,611 km (0.12 R)
• M10: 4,281,042 km (0.059 R)
• M11: 4,951,241 km (0.064 R)
• M12: 5,589,276 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 14.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,421,220 km

• M1: 184,005 km (0.086 R)
• M2: 761,902 km (0.109 R)
• M3: 1,312,721 km (0.049 R)
• M4: 1,803,702 km (0.062 R)
• M5: 2,266,258 km (0.086 R)
• M6: 3,165,491 km (0.077 R)
• M7: 3,741,443 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.5

Radius: 12.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.02 AU - 1.42 AU

Year: 930 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,421,220 km

• M1: 154,235 km (0.101 R)
• M2: 544,237 km (0.083 R)
• M3: 1,016,966 km (0.113 R)
• M4: 1,568,534 km (0.097 R)
• M5: 1,969,606 km (0.055 R)
• M6: 2,428,572 km (0.118 R)
• M7: 3,657,518 km (0.067 R)
• M8: 4,641,424 km (0.082 R)
• M9: 6,494,792 km (0.098 R)
• M10: 7,424,094 km (0.08 R)
• M11: 7,830,252 km (0.043 R)
• M12: 8,331,853 km (0.102 R)
• M13: 10,243,415 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.5

Radius: 9.1

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.35 AU - 1.55 AU

Year: 1205 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,421,220 km

• M1: 113,246 km (0.092 R)
• M2: 443,857 km (0.092 R)
• M3: 875,896 km (0.097 R)
• M4: 1,391,859 km (0.113 R)
• M5: 1,860,698 km (0.104 R)
• M6: 2,480,333 km (0.098 R)
• M7: 3,087,102 km (0.116 R)
• M8: 3,692,375 km (0.114 R)
• M9: 4,109,454 km (0.112 R)
• M10: 4,410,744 km (0.097 R)
• M11: 5,921,682 km (0.107 R)
• M12: 6,831,088 km (0.116 R)
• M13: 8,895,837 km (0.052 R)
• M14: 11,728,772 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 10.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.24 AU - 1.82 AU

Year: 1306 Days

Day: 7.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,421,220 km

• M1: 128,056 km (0.078 R)
• M2: 741,557 km (0.062 R)
• M3: 1,362,837 km (0.086 R)
• M4: 2,106,637 km (0.077 R)
• M5: 2,491,553 km (0.1 R)
• M6: 3,032,050 km (0.116 R)
• M7: 3,360,267 km (0.048 R)
• M8: 4,191,284 km (0.118 R)
• M9: 4,545,531 km (0.114 R)
• M10: 5,075,108 km (0.083 R)
• M11: 5,645,375 km (0.092 R)
• M12: 6,034,180 km (0.102 R)
• M13: 7,085,105 km (0.114 R)
• M14: 7,667,340 km (0.111 R)
• M15: 8,118,078 km (0.114 R)
• M16: 8,841,384 km (0.037 R)
• M17: 9,851,618 km (0.113 R)
• M18: 10,870,978 km (0.027 R)
• M19: 11,372,430 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 14

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.72 AU - 3.3 AU

Year: 3605 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,421,220 km

• M1: 174,282 km (0.111 R)
• M2: 743,651 km (0.094 R)
• M3: 1,194,988 km (0.093 R)
• M4: 2,220,481 km (0.038 R)
• M5: 2,673,763 km (0.074 R)
• M6: 3,609,647 km (0.12 R)
• M7: 4,132,641 km (0.098 R)
• M8: 4,802,540 km (0.083 R)
• M9: 5,872,913 km (0.067 R)
• M10: 7,001,779 km (0.078 R)
• M11: 7,888,445 km (0.081 R)
• M12: 8,556,400 km (0.118 R)
• M13: 9,531,180 km (0.058 R)
• M14: 11,348,345 km (0.071 R)
• M15: 11,926,989 km (0.118 R)
• M16: 12,999,008 km (0.074 R)
• M17: 15,550,399 km (0.109 R)
• M18: 17,174,584 km (0.082 R)
• M19: 17,759,960 km (0.085 R)
• M20: 18,724,567 km (0.108 R)
• M21: 19,851,039 km (0.117 R)
• M22: 21,155,084 km (0.111 R)
• M23: 22,446,263 km (0.093 R)
• M24: 23,789,353 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 3.4

Gravity: 39.23 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.57 AU - 6.97 AU

Year: 9567 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,421,220 km

• M1: 42,785 km (0.092 R)
• M2: 151,094 km (0.104 R)
• M3: 303,085 km (0.116 R)
• M4: 444,904 km (0.082 R)
• M5: 581,637 km (0.099 R)
• M6: 796,309 km (0.062 R)
• M7: 1,114,504 km (0.08 R)
• M8: 1,345,334 km (0.109 R)
• M9: 1,824,645 km (0.076 R)
• M10: 2,694,258 km (0.071 R)
• M11: 3,130,784 km (0.102 R)
• M12: 3,331,694 km (0.049 R)
• M13: 5,641,485 km (0.092 R)
• M14: 5,972,845 km (0.108 R)
• M15: 7,546,165 km (0.116 R)
• M16: 8,707,194 km (0.06 R)
• M17: 10,029,939 km (0.06 R)
• M18: 11,169,875 km (0.102 R)
• M19: 11,850,994 km (0.081 R)
• M20: 14,240,221 km (0.106 R)
• M21: 17,899,535 km (0.105 R)
• M22: 18,040,606 km (0.109 R)
• M23: 18,976,340 km (0.091 R)
• M24: 21,815,857 km (0.084 R)
• M25: 24,750,818 km (0.108 R)
• M26: 25,994,874 km (0.117 R)
• M27: 28,993,863 km (0.108 R)
• M28: 36,454,009 km (0.116 R)
• M29: 36,567,255 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.8

Radius: 7.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.63 AU - 8.09 AU

Year: 15211 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,421,220 km

• M1: 92,003 km (0.061 R)
• M2: 533,466 km (0.109 R)
• M3: 1,380,489 km (0.094 R)
• M4: 2,296,477 km (0.037 R)
• M5: 4,560,491 km (0.036 R)
• M6: 6,960,789 km (0.116 R)
• M7: 11,307,654 km (0.08 R)
• M8: 12,483,045 km (0.027 R)
• M9: 15,321,664 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.9

Radius: 3.9

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.02 AU - 8.14 AU

Year: 15854 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,421,220 km

• M1: 48,769 km (0.048 R)
• M2: 373,845 km (0.099 R)
• M3: 910,752 km (0.075 R)
• M4: 1,214,585 km (0.104 R)
• M5: 1,460,973 km (0.09 R)
• M6: 3,087,999 km (0.056 R)
• M7: 3,619,221 km (0.087 R)
• M8: 4,860,285 km (0.034 R)
• M9: 5,446,858 km (0.096 R)
• M10: 6,359,854 km (0.094 R)
• M11: 7,893,232 km (0.095 R)
• M12: 13,639,885 km (0.084 R)
• M13: 14,798,969 km (0.041 R)
• M14: 19,409,576 km (0.108 R)
• M15: 19,863,904 km (0.092 R)
• M16: 22,407,517 km (0.045 R)
• M17: 22,907,473 km (0.06 R)
• M18: 23,671,320 km (0.096 R)
• M19: 29,300,987 km (0.074 R)
• M20: 37,599,630 km (0.105 R)
• M21: 38,542,246 km (0.113 R)
• M22: 39,019,463 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314

Radius: 6.2

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.49 AU - 8.69 AU

Year: 17378 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,421,220 km

• M1: 162,613 km (0.068 R)
• M2: 362,924 km (0.108 R)
• M3: 564,134 km (0.107 R)
• M4: 1,841,550 km (0.085 R)
• M5: 2,935,409 km (0.085 R)
• M6: 3,834,941 km (0.082 R)
• M7: 4,172,135 km (0.047 R)
• M8: 4,437,821 km (0.108 R)
• M9: 4,905,763 km (0.106 R)
• M10: 7,752,162 km (0.107 R)
• M11: 8,664,858 km (0.1 R)
• M12: 9,904,127 km (0.098 R)
• M13: 11,257,240 km (0.118 R)
• M14: 11,715,009 km (0.063 R)
• M15: 13,415,638 km (0.074 R)
• M16: 15,553,242 km (0.104 R)
• M17: 18,610,424 km (0.057 R)
• M18: 20,999,951 km (0.093 R)
• M19: 21,957,377 km (0.113 R)
• M20: 22,223,512 km (0.096 R)
• M21: 23,309,443 km (0.109 R)
• M22: 23,586,498 km (0.07 R)
• M23: 24,716,261 km (0.076 R)
• M24: 29,167,695 km (0.093 R)
• M25: 29,489,331 km (0.097 R)
• M26: 41,345,261 km (0.119 R)
• M27: 43,401,334 km (0.048 R)
• M28: 48,612,426 km (0.082 R)
• M29: 49,519,588 km (0.045 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 - 20,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit