🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.4 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 9.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.72 AU - 2.86 AU

Year: 3057 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,631,455 km

• M1: 123,119 km (0.059 R)
• M2: 1,139,337 km (0.077 R)
• M3: 1,708,108 km (0.118 R)
• M4: 2,215,844 km (0.073 R)
• M5: 2,527,306 km (0.104 R)
• M6: 3,607,104 km (0.105 R)
• M7: 4,813,311 km (0.089 R)
• M8: 6,349,682 km (0.099 R)
• M9: 7,362,010 km (0.083 R)
• M10: 12,889,053 km (0.111 R)
• M11: 18,299,560 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 9.4

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.05 AU - 4.33 AU

Year: 5626 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,631,455 km

• M1: 117,734 km (0.073 R)
• M2: 724,353 km (0.054 R)
• M3: 1,072,018 km (0.085 R)
• M4: 1,699,581 km (0.092 R)
• M5: 2,432,312 km (0.114 R)
• M6: 2,813,338 km (0.113 R)
• M7: 3,362,063 km (0.086 R)
• M8: 3,860,523 km (0.11 R)
• M9: 4,565,428 km (0.049 R)
• M10: 6,463,526 km (0.118 R)
• M11: 8,547,873 km (0.111 R)
• M12: 9,521,456 km (0.103 R)
• M13: 11,487,321 km (0.117 R)
• M14: 11,839,475 km (0.119 R)
• M15: 13,431,196 km (0.07 R)
• M16: 14,627,081 km (0.093 R)
• M17: 14,981,329 km (0.117 R)
• M18: 15,401,998 km (0.102 R)
• M19: 16,079,078 km (0.096 R)
• M20: 18,161,481 km (0.081 R)
• M21: 21,159,123 km (0.066 R)
• M22: 23,815,831 km (0.072 R)
• M23: 25,819,844 km (0.085 R)
• M24: 27,305,800 km (0.09 R)
• M25: 27,933,812 km (0.041 R)
• M26: 29,312,207 km (0.117 R)
• M27: 32,804,419 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 13.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.13 AU - 4.47 AU

Year: 5849 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,631,455 km

• M1: 165,605 km (0.052 R)
• M2: 625,170 km (0.089 R)
• M3: 1,074,711 km (0.066 R)
• M4: 1,524,402 km (0.113 R)
• M5: 1,955,543 km (0.052 R)
• M6: 2,402,542 km (0.106 R)
• M7: 3,316,734 km (0.09 R)
• M8: 4,451,285 km (0.112 R)
• M9: 5,891,463 km (0.087 R)
• M10: 6,468,014 km (0.12 R)
• M11: 7,188,028 km (0.041 R)
• M12: 8,911,096 km (0.111 R)
• M13: 10,113,863 km (0.059 R)
• M14: 10,707,767 km (0.097 R)
• M15: 13,320,194 km (0.113 R)
• M16: 16,331,899 km (0.088 R)
• M17: 21,362,426 km (0.038 R)
• M18: 22,571,925 km (0.103 R)
• M19: 25,376,287 km (0.036 R)
• M20: 25,963,907 km (0.088 R)
• M21: 26,732,691 km (0.082 R)
• M22: 28,947,936 km (0.071 R)
• M23: 30,334,559 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 10.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.25 AU - 4.49 AU

Year: 5993 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,631,455 km

• M1: 128,355 km (0.043 R)
• M2: 448,943 km (0.059 R)
• M3: 952,340 km (0.069 R)
• M4: 2,248,606 km (0.117 R)
• M5: 2,786,560 km (0.111 R)
• M6: 5,902,833 km (0.1 R)
• M7: 6,485,367 km (0.058 R)
• M8: 7,955,465 km (0.076 R)
• M9: 8,871,453 km (0.088 R)
• M10: 9,462,664 km (0.076 R)
• M11: 9,856,405 km (0.059 R)
• M12: 12,926,752 km (0.077 R)
• M13: 13,742,360 km (0.068 R)
• M14: 14,191,153 km (0.058 R)
• M15: 24,938,713 km (0.03 R)
• M16: 27,594,823 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 13

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.71 AU - 4.73 AU

Year: 6727 Days

Day: 11.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,631,455 km

• M1: 161,865 km (0.113 R)
• M2: 632,799 km (0.028 R)
• M3: 1,075,010 km (0.074 R)
• M4: 1,554,322 km (0.036 R)
• M5: 1,967,062 km (0.098 R)
• M6: 2,420,494 km (0.077 R)
• M7: 3,631,638 km (0.108 R)
• M8: 5,042,346 km (0.041 R)
• M9: 5,717,780 km (0.092 R)
• M10: 6,553,135 km (0.098 R)
• M11: 7,035,737 km (0.052 R)
• M12: 7,541,977 km (0.108 R)
• M13: 8,347,112 km (0.084 R)
• M14: 8,832,557 km (0.105 R)
• M15: 9,422,571 km (0.11 R)
• M16: 10,823,107 km (0.067 R)
• M17: 12,566,221 km (0.089 R)
• M18: 13,477,422 km (0.101 R)
• M19: 14,547,495 km (0.106 R)
• M20: 16,539,541 km (0.054 R)
• M21: 17,048,622 km (0.076 R)
• M22: 19,895,320 km (0.111 R)
• M23: 20,690,433 km (0.115 R)
• M24: 21,808,527 km (0.097 R)
• M25: 22,966,564 km (0.051 R)
• M26: 24,491,715 km (0.031 R)
• M27: 25,405,010 km (0.1 R)
• M28: 26,686,914 km (0.04 R)
• M29: 34,364,276 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 10.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.88 AU - 6.1 AU

Year: 7312 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,631,455 km

• M1: 128,205 km (0.114 R)
• M2: 565,031 km (0.088 R)
• M3: 987,944 km (0.115 R)
• M4: 1,521,859 km (0.03 R)
• M5: 3,691,028 km (0.062 R)
• M6: 4,523,540 km (0.089 R)
• M7: 6,096,562 km (0.118 R)
• M8: 6,901,847 km (0.094 R)
• M9: 8,280,093 km (0.083 R)
• M10: 9,352,859 km (0.031 R)
• M11: 9,878,247 km (0.07 R)
• M12: 11,622,707 km (0.036 R)
• M13: 12,489,627 km (0.095 R)
• M14: 15,229,662 km (0.114 R)
• M15: 16,080,874 km (0.105 R)
• M16: 18,011,284 km (0.086 R)
• M17: 22,714,941 km (0.086 R)
• M18: 23,265,910 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 12.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.03 AU - 6.55 AU

Year: 7982 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,631,455 km

• M1: 160,369 km (0.107 R)
• M2: 883,675 km (0.057 R)
• M3: 1,373,907 km (0.055 R)
• M4: 2,460,735 km (0.096 R)
• M5: 2,910,576 km (0.047 R)
• M6: 3,346,355 km (0.12 R)
• M7: 3,800,833 km (0.106 R)
• M8: 4,984,601 km (0.099 R)
• M9: 5,387,319 km (0.081 R)
• M10: 6,258,726 km (0.057 R)
• M11: 7,029,305 km (0.086 R)
• M12: 7,739,296 km (0.05 R)
• M13: 10,456,442 km (0.039 R)
• M14: 11,811,350 km (0.112 R)
• M15: 14,242,764 km (0.105 R)
• M16: 14,804,355 km (0.101 R)
• M17: 16,578,137 km (0.111 R)
• M18: 17,130,003 km (0.105 R)
• M19: 17,622,928 km (0.092 R)
• M20: 18,416,545 km (0.057 R)
• M21: 19,766,367 km (0.039 R)
• M22: 20,940,860 km (0.037 R)
• M23: 22,161,429 km (0.109 R)
• M24: 22,578,657 km (0.114 R)
• M25: 24,212,116 km (0.095 R)
• M26: 26,667,017 km (0.094 R)
• M27: 27,616,964 km (0.116 R)
• M28: 28,491,064 km (0.069 R)
• M29: 32,386,593 km (0.112 R)
• M30: 33,358,680 km (0.1 R)
• M31: 33,907,105 km (0.092 R)
• M32: 36,161,097 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 8

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.82 AU - 6.24 AU

Year: 8531 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,631,455 km

• M1: 100,380 km (0.11 R)
• M2: 424,708 km (0.08 R)
• M3: 720,015 km (0.108 R)
• M4: 1,463,965 km (0.09 R)
• M5: 1,828,236 km (0.05 R)
• M6: 2,303,059 km (0.086 R)
• M7: 2,720,886 km (0.119 R)
• M8: 3,124,651 km (0.117 R)
• M9: 3,544,572 km (0.102 R)
• M10: 5,675,594 km (0.086 R)
• M11: 6,474,147 km (0.074 R)
• M12: 9,408,958 km (0.087 R)
• M13: 9,771,733 km (0.093 R)
• M14: 11,265,916 km (0.08 R)
• M15: 11,830,948 km (0.114 R)
• M16: 12,962,057 km (0.106 R)
• M17: 15,752,057 km (0.115 R)
• M18: 17,253,122 km (0.099 R)
• M19: 18,003,805 km (0.075 R)
• M20: 24,470,173 km (0.112 R)
• M21: 30,522,753 km (0.113 R)
• M22: 30,918,738 km (0.117 R)
• M23: 34,317,303 km (0.118 R)
• M24: 36,604,953 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 6.4

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.65 AU - 11.21 AU

Year: 20527 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,631,455 km

• M1: 79,885 km (0.111 R)
• M2: 357,389 km (0.063 R)
• M3: 1,168,210 km (0.115 R)
• M4: 1,813,725 km (0.097 R)
• M5: 2,652,669 km (0.089 R)
• M6: 3,460,049 km (0.081 R)
• M7: 4,544,634 km (0.047 R)
• M8: 13,688,355 km (0.077 R)
• M9: 18,416,096 km (0.096 R)
• M10: 25,596,794 km (0.09 R)
• M11: 30,022,348 km (0.094 R)
• M12: 35,178,538 km (0.112 R)
• M13: 41,305,917 km (0.114 R)
• M14: 49,026,513 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 11,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit