🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 10.5

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.3 AU - 2.04 AU

Year: 1393 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,962,175 km

• M1: 130,599 km (0.051 R)
• M2: 517,609 km (0.12 R)
• M3: 881,879 km (0.036 R)
• M4: 1,512,434 km (0.092 R)
• M5: 1,854,864 km (0.097 R)
• M6: 2,322,806 km (0.11 R)
• M7: 2,897,412 km (0.034 R)
• M8: 3,257,793 km (0.12 R)
• M9: 4,763,795 km (0.102 R)
• M10: 5,312,370 km (0.096 R)
• M11: 6,141,292 km (0.106 R)
• M12: 7,080,766 km (0.051 R)
• M13: 8,260,196 km (0.119 R)
• M14: 9,763,355 km (0.09 R)
• M15: 10,166,073 km (0.088 R)
• M16: 11,738,496 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 14.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.39 AU - 2.07 AU

Year: 1469 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,962,175 km

• M1: 186,997 km (0.072 R)
• M2: 1,030,281 km (0.08 R)
• M3: 1,860,399 km (0.093 R)
• M4: 2,883,948 km (0.095 R)
• M5: 5,183,117 km (0.073 R)
• M6: 5,805,445 km (0.117 R)
• M7: 7,489,019 km (0.101 R)
• M8: 8,372,245 km (0.072 R)
• M9: 12,959,664 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.16 AU - 3.32 AU

Year: 2928 Days

Day: 5.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,962,175 km

• M1: 111,899 km (0.08 R)
• M2: 443,109 km (0.095 R)
• M3: 793,766 km (0.1 R)
• M4: 1,119,142 km (0.104 R)
• M5: 1,789,490 km (0.07 R)
• M6: 2,214,497 km (0.102 R)
• M7: 2,623,797 km (0.062 R)
• M8: 4,199,811 km (0.078 R)
• M9: 4,566,475 km (0.112 R)
• M10: 5,146,017 km (0.084 R)
• M11: 6,252,443 km (0.058 R)
• M12: 7,181,147 km (0.102 R)
• M13: 8,347,711 km (0.117 R)
• M14: 9,182,018 km (0.093 R)
• M15: 9,702,020 km (0.067 R)
• M16: 13,573,613 km (0.063 R)
• M17: 14,464,319 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 8.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.71 AU - 3.15 AU

Year: 3238 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,962,175 km

• M1: 103,223 km (0.083 R)
• M2: 374,294 km (0.031 R)
• M3: 813,364 km (0.095 R)
• M4: 1,299,856 km (0.068 R)
• M5: 3,110,589 km (0.026 R)
• M6: 3,441,050 km (0.119 R)
• M7: 3,722,145 km (0.119 R)
• M8: 4,812,564 km (0.086 R)
• M9: 7,942,301 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.8

Radius: 9.2

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.78 AU - 3.74 AU

Year: 3801 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,962,175 km

• M1: 115,041 km (0.116 R)
• M2: 761,453 km (0.109 R)
• M3: 1,600,847 km (0.068 R)
• M4: 2,665,984 km (0.107 R)
• M5: 6,112,868 km (0.103 R)
• M6: 7,248,615 km (0.111 R)
• M7: 8,008,722 km (0.078 R)
• M8: 8,631,648 km (0.115 R)
• M9: 8,974,376 km (0.082 R)
• M10: 9,891,561 km (0.1 R)
• M11: 12,821,286 km (0.109 R)
• M12: 13,267,835 km (0.103 R)
• M13: 13,827,930 km (0.082 R)
• M14: 14,995,242 km (0.1 R)
• M15: 21,001,746 km (0.117 R)
• M16: 26,637,397 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477

Radius: 13.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.56 AU - 4.58 AU

Year: 6308 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,962,175 km

• M1: 170,542 km (0.062 R)
• M2: 809,624 km (0.1 R)
• M3: 1,349,223 km (0.108 R)
• M4: 1,796,222 km (0.065 R)
• M5: 2,472,853 km (0.068 R)
• M6: 3,480,095 km (0.111 R)
• M7: 4,220,605 km (0.09 R)
• M8: 4,719,065 km (0.044 R)
• M9: 6,109,577 km (0.049 R)
• M10: 7,978,503 km (0.101 R)
• M11: 9,985,658 km (0.114 R)
• M12: 12,161,409 km (0.071 R)
• M13: 12,866,614 km (0.119 R)
• M14: 13,439,574 km (0.07 R)
• M15: 15,845,107 km (0.068 R)
• M16: 17,056,551 km (0.091 R)
• M17: 17,812,618 km (0.069 R)
• M18: 19,189,218 km (0.047 R)
• M19: 23,130,075 km (0.11 R)
• M20: 27,324,500 km (0.112 R)
• M21: 29,421,264 km (0.088 R)
• M22: 30,508,990 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 14.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.45 AU - 6.21 AU

Year: 7945 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,962,175 km

• M1: 179,218 km (0.06 R)
• M2: 686,505 km (0.075 R)
• M3: 1,485,956 km (0.087 R)
• M4: 1,936,544 km (0.097 R)
• M5: 3,365,503 km (0.114 R)
• M6: 4,873,151 km (0.085 R)
• M7: 5,382,083 km (0.112 R)
• M8: 7,665,993 km (0.109 R)
• M9: 8,783,190 km (0.051 R)
• M10: 9,313,365 km (0.108 R)
• M11: 9,864,932 km (0.09 R)
• M12: 10,733,348 km (0.068 R)
• M13: 14,910,121 km (0.112 R)
• M14: 17,051,764 km (0.091 R)
• M15: 18,302,701 km (0.116 R)
• M16: 19,763,674 km (0.114 R)
• M17: 20,831,653 km (0.114 R)
• M18: 22,099,046 km (0.112 R)
• M19: 25,314,353 km (0.106 R)
• M20: 26,482,563 km (0.111 R)
• M21: 28,733,413 km (0.119 R)
• M22: 29,217,811 km (0.042 R)
• M23: 30,805,044 km (0.09 R)
• M24: 31,929,122 km (0.109 R)
• M25: 36,023,466 km (0.117 R)
• M26: 36,814,241 km (0.1 R)
• M27: 37,386,004 km (0.118 R)
• M28: 38,079,988 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.6

Radius: 3.3

Gravity: 67.92 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.08 AU - 12.62 AU

Year: 23076 Days

Day: 15.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 94,962,175 km

• M1: 40,990 km (0.055 R)
• M2: 146,157 km (0.074 R)
• M3: 292,015 km (0.089 R)
• M4: 558,449 km (0.101 R)
• M5: 942,616 km (0.073 R)
• M6: 1,085,333 km (0.119 R)
• M7: 1,497,923 km (0.119 R)
• M8: 1,787,395 km (0.115 R)
• M9: 3,014,696 km (0.118 R)
• M10: 3,946,242 km (0.099 R)
• M11: 4,459,363 km (0.044 R)
• M12: 6,445,424 km (0.115 R)
• M13: 6,629,729 km (0.069 R)
• M14: 7,253,103 km (0.097 R)
• M15: 7,655,521 km (0.067 R)
• M16: 7,810,206 km (0.103 R)
• M17: 9,356,150 km (0.089 R)
• M18: 10,898,953 km (0.1 R)
• M19: 11,292,994 km (0.086 R)
• M20: 11,696,310 km (0.097 R)
• M21: 13,037,305 km (0.096 R)
• M22: 13,858,597 km (0.11 R)
• M23: 16,188,285 km (0.059 R)
• M24: 21,298,548 km (0.108 R)
• M25: 23,939,698 km (0.117 R)
• M26: 24,381,611 km (0.119 R)
• M27: 25,510,027 km (0.093 R)
• M28: 28,729,822 km (0.062 R)
• M29: 33,156,274 km (0.113 R)
• M30: 34,260,156 km (0.096 R)
• M31: 40,614,924 km (0.114 R)
• M32: 47,364,481 km (0.067 R)
• M33: 47,537,865 km (0.084 R)
• M34: 48,060,410 km (0.066 R)
• M35: 51,642,531 km (0.104 R)
• M36: 52,937,151 km (0.108 R)
• M37: 59,735,776 km (0.041 R)
• M38: 71,557,000 km (0.104 R)
• M39: 71,785,286 km (0.116 R)
• M40: 73,628,781 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.3

Radius: 7.2

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.91 AU - 12.87 AU

Year: 23204 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,962,175 km

• M1: 89,759 km (0.044 R)
• M2: 624,571 km (0.088 R)
• M3: 1,032,375 km (0.117 R)
• M4: 1,368,521 km (0.075 R)
• M5: 1,644,230 km (0.099 R)
• M6: 2,403,439 km (0.117 R)
• M7: 2,651,173 km (0.119 R)
• M8: 3,054,938 km (0.119 R)
• M9: 4,627,511 km (0.106 R)
• M10: 6,821,513 km (0.046 R)
• M11: 7,118,465 km (0.097 R)
• M12: 7,475,854 km (0.088 R)
• M13: 8,171,185 km (0.073 R)
• M14: 12,823,081 km (0.098 R)
• M15: 13,199,768 km (0.116 R)
• M16: 19,376,963 km (0.091 R)
• M17: 21,202,955 km (0.115 R)
• M18: 22,809,935 km (0.103 R)
• M19: 26,143,873 km (0.106 R)
• M20: 26,627,972 km (0.067 R)
• M21: 31,801,216 km (0.05 R)
• M22: 32,910,634 km (0.095 R)
• M23: 38,534,168 km (0.055 R)
• M24: 40,919,805 km (0.063 R)
• M25: 41,245,180 km (0.099 R)
• M26: 42,066,024 km (0.08 R)
• M27: 43,910,266 km (0.085 R)
• M28: 46,158,573 km (0.051 R)
• M29: 47,043,294 km (0.094 R)
• M30: 53,945,291 km (0.081 R)
• M31: 61,919,456 km (0.047 R)
• M32: 71,347,413 km (0.094 R)
• M33: 75,420,515 km (0.098 R)
• M34: 77,638,453 km (0.068 R)
• M35: 82,722,087 km (0.054 R)
• M36: 85,876,358 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 12,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit