🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 8.3

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.29 AU - 1.79 AU

Year: 1296 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,173,515 km

• M1: 103,971 km (0.084 R)
• M2: 365,168 km (0.064 R)
• M3: 642,822 km (0.095 R)
• M4: 981,212 km (0.116 R)
• M5: 1,359,097 km (0.082 R)
• M6: 1,666,221 km (0.118 R)
• M7: 1,929,364 km (0.109 R)
• M8: 2,242,472 km (0.038 R)
• M9: 2,638,158 km (0.059 R)
• M10: 3,834,642 km (0.045 R)
• M11: 4,598,040 km (0.12 R)
• M12: 5,025,591 km (0.104 R)
• M13: 5,789,886 km (0.08 R)
• M14: 6,311,085 km (0.115 R)
• M15: 6,792,641 km (0.117 R)
• M16: 7,422,298 km (0.086 R)
• M17: 9,399,085 km (0.099 R)
• M18: 10,367,282 km (0.107 R)
• M19: 10,843,452 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 12.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.49 AU - 1.61 AU

Year: 1309 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,173,515 km

• M1: 155,881 km (0.044 R)
• M2: 570,865 km (0.101 R)
• M3: 1,049,130 km (0.077 R)
• M4: 2,065,199 km (0.096 R)
• M5: 2,630,529 km (0.097 R)
• M6: 3,860,523 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 14.1

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.49 AU - 3.33 AU

Year: 3367 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,173,515 km

• M1: 184,155 km (0.035 R)
• M2: 783,294 km (0.062 R)
• M3: 1,323,642 km (0.029 R)
• M4: 1,916,648 km (0.09 R)
• M5: 2,701,588 km (0.072 R)
• M6: 4,250,225 km (0.111 R)
• M7: 5,064,636 km (0.081 R)
• M8: 7,864,659 km (0.089 R)
• M9: 8,320,334 km (0.08 R)
• M10: 9,517,716 km (0.097 R)
• M11: 12,346,761 km (0.073 R)
• M12: 15,153,367 km (0.057 R)
• M13: 19,040,817 km (0.093 R)
• M14: 21,382,921 km (0.101 R)
• M15: 22,066,135 km (0.099 R)
• M16: 22,976,288 km (0.115 R)
• M17: 24,573,245 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 11

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.9 AU - 3.24 AU

Year: 3648 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,173,515 km

• M1: 136,882 km (0.07 R)
• M2: 648,806 km (0.051 R)
• M3: 1,470,697 km (0.064 R)
• M4: 2,583,106 km (0.1 R)
• M5: 3,164,593 km (0.047 R)
• M6: 3,809,959 km (0.107 R)
• M7: 8,137,975 km (0.096 R)
• M8: 14,171,705 km (0.098 R)
• M9: 15,028,602 km (0.119 R)
• M10: 15,469,766 km (0.106 R)
• M11: 17,023,041 km (0.072 R)
• M12: 18,551,782 km (0.093 R)
• M13: 19,839,071 km (0.089 R)
• M14: 23,316,623 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 13.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.05 AU - 3.29 AU

Year: 3828 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,173,515 km

• M1: 162,912 km (0.079 R)
• M2: 629,059 km (0.042 R)
• M3: 1,066,932 km (0.087 R)
• M4: 1,507,647 km (0.049 R)
• M5: 2,429,469 km (0.101 R)
• M6: 3,081,716 km (0.106 R)
• M7: 4,443,805 km (0.107 R)
• M8: 5,179,826 km (0.084 R)
• M9: 7,125,795 km (0.077 R)
• M10: 7,812,450 km (0.093 R)
• M11: 10,612,473 km (0.06 R)
• M12: 12,455,369 km (0.09 R)
• M13: 13,658,585 km (0.055 R)
• M14: 14,129,369 km (0.048 R)
• M15: 14,610,925 km (0.06 R)
• M16: 15,948,928 km (0.064 R)
• M17: 17,306,379 km (0.086 R)
• M18: 17,982,262 km (0.081 R)
• M19: 18,421,332 km (0.081 R)
• M20: 22,269,139 km (0.111 R)
• M21: 24,342,715 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 12.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.04 AU - 4.02 AU

Year: 4498 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,173,515 km

• M1: 153,039 km (0.094 R)
• M2: 557,551 km (0.113 R)
• M3: 963,560 km (0.11 R)
• M4: 3,494,457 km (0.113 R)
• M5: 4,696,027 km (0.106 R)
• M6: 6,093,271 km (0.114 R)
• M7: 6,837,670 km (0.099 R)
• M8: 7,714,762 km (0.049 R)
• M9: 8,161,611 km (0.081 R)
• M10: 10,301,908 km (0.064 R)
• M11: 11,549,853 km (0.075 R)
• M12: 11,938,359 km (0.096 R)
• M13: 13,580,644 km (0.051 R)
• M14: 14,964,873 km (0.069 R)
• M15: 16,995,664 km (0.088 R)
• M16: 20,873,840 km (0.058 R)
• M17: 25,062,430 km (0.045 R)
• M18: 25,550,718 km (0.109 R)
• M19: 28,439,453 km (0.057 R)
• M20: 29,871,404 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.9

Radius: 10.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.6 AU - 3.88 AU

Year: 4906 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,173,515 km

• M1: 141,968 km (0.09 R)
• M2: 480,359 km (0.098 R)
• M3: 899,831 km (0.065 R)
• M4: 1,291,927 km (0.111 R)
• M5: 2,385,188 km (0.114 R)
• M6: 2,778,930 km (0.07 R)
• M7: 3,155,169 km (0.093 R)
• M8: 3,940,408 km (0.108 R)
• M9: 4,710,089 km (0.12 R)
• M10: 5,826,837 km (0.063 R)
• M11: 6,300,464 km (0.096 R)
• M12: 9,670,455 km (0.063 R)
• M13: 11,245,870 km (0.115 R)
• M14: 12,246,680 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 8.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.34 AU - 5.14 AU

Year: 5922 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,173,515 km

• M1: 104,569 km (0.112 R)
• M2: 444,605 km (0.068 R)
• M3: 829,371 km (0.066 R)
• M4: 1,419,684 km (0.062 R)
• M5: 2,623,947 km (0.118 R)
• M6: 3,697,012 km (0.062 R)
• M7: 4,172,584 km (0.102 R)
• M8: 5,298,757 km (0.105 R)
• M9: 6,282,512 km (0.085 R)
• M10: 6,865,196 km (0.119 R)
• M11: 8,607,861 km (0.049 R)
• M12: 9,249,038 km (0.092 R)
• M13: 10,084,692 km (0.117 R)
• M14: 10,797,376 km (0.074 R)
• M15: 12,893,840 km (0.102 R)
• M16: 19,805,860 km (0.084 R)
• M17: 22,709,406 km (0.075 R)
• M18: 23,207,566 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 9.8

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.51 AU - 5.69 AU

Year: 6692 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,173,515 km

• M1: 138,228 km (0.029 R)
• M2: 495,319 km (0.109 R)
• M3: 832,961 km (0.099 R)
• M4: 1,229,246 km (0.071 R)
• M5: 1,985,762 km (0.082 R)
• M6: 2,804,960 km (0.108 R)
• M7: 3,643,456 km (0.114 R)
• M8: 4,668,650 km (0.071 R)
• M9: 5,040,102 km (0.064 R)
• M10: 5,493,383 km (0.078 R)
• M11: 6,106,435 km (0.11 R)
• M12: 7,354,531 km (0.088 R)
• M13: 7,740,493 km (0.053 R)
• M14: 8,427,895 km (0.077 R)
• M15: 8,765,089 km (0.075 R)
• M16: 9,332,364 km (0.106 R)
• M17: 10,017,223 km (0.119 R)
• M18: 10,833,429 km (0.115 R)
• M19: 12,060,281 km (0.101 R)
• M20: 14,426,620 km (0.091 R)
• M21: 14,788,348 km (0.106 R)
• M22: 15,404,542 km (0.061 R)
• M23: 18,180,928 km (0.093 R)
• M24: 19,248,459 km (0.051 R)
• M25: 20,508,372 km (0.057 R)
• M26: 24,276,892 km (0.094 R)
• M27: 29,148,696 km (0.096 R)
• M28: 32,323,462 km (0.113 R)
• M29: 37,167,741 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.6

Radius: 5.7

Gravity: 24.52 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.32 AU - 11 AU

Year: 21965 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,173,515 km

• M1: 100,081 km (0.119 R)
• M2: 314,604 km (0.089 R)
• M3: 645,365 km (0.11 R)
• M4: 1,027,438 km (0.116 R)
• M5: 1,353,262 km (0.086 R)
• M6: 1,619,098 km (0.029 R)
• M7: 2,061,758 km (0.11 R)
• M8: 2,277,927 km (0.116 R)
• M9: 2,606,145 km (0.067 R)
• M10: 2,912,072 km (0.118 R)
• M11: 4,008,475 km (0.114 R)
• M12: 6,109,577 km (0.087 R)
• M13: 6,932,066 km (0.049 R)
• M14: 9,191,443 km (0.09 R)
• M15: 10,206,165 km (0.077 R)
• M16: 13,323,186 km (0.113 R)
• M17: 15,420,249 km (0.091 R)
• M18: 18,178,684 km (0.098 R)
• M19: 23,227,164 km (0.11 R)
• M20: 24,760,692 km (0.087 R)
• M21: 26,829,929 km (0.104 R)
• M22: 27,424,431 km (0.033 R)
• M23: 29,136,130 km (0.108 R)
• M24: 29,764,292 km (0.096 R)
• M25: 31,571,284 km (0.096 R)
• M26: 38,922,972 km (0.095 R)
• M27: 41,395,676 km (0.063 R)
• M28: 45,297,936 km (0.112 R)
• M29: 47,683,723 km (0.086 R)
• M30: 51,053,864 km (0.115 R)
• M31: 54,200,954 km (0.032 R)
• M32: 54,959,715 km (0.115 R)
• M33: 55,150,601 km (0.112 R)
• M34: 59,260,354 km (0.115 R)
• M35: 66,339,325 km (0.118 R)
• M36: 66,555,644 km (0.102 R)
• M37: 74,660,557 km (0.225 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 14,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit