🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 11.1

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 12.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,342,148 km

• M1: 138,079 km (0.086 R)
• M2: 565,779 km (0.064 R)
• M3: 933,640 km (0.102 R)
• M4: 1,295,817 km (0.108 R)
• M5: 1,876,256 km (0.078 R)
• M6: 2,695,155 km (0.098 R)
• M7: 3,101,762 km (0.059 R)
• M8: 3,840,477 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 12

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.97 AU - 0.97 AU

Year: 648 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,342,148 km

• M1: 149,299 km (0.109 R)
• M2: 645,964 km (0.106 R)
• M3: 1,060,350 km (0.054 R)
• M4: 1,567,636 km (0.092 R)
• M5: 2,283,013 km (0.11 R)
• M6: 2,977,596 km (0.086 R)
• M7: 3,356,228 km (0.064 R)
• M8: 3,906,748 km (0.038 R)
• M9: 4,579,789 km (0.116 R)
• M10: 5,138,537 km (0.094 R)
• M11: 5,542,003 km (0.1 R)
• M12: 5,947,563 km (0.07 R)
• M13: 6,492,697 km (0.072 R)
• M14: 7,264,024 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.1

Radius: 9.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.93 AU - 1.45 AU

Year: 880 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,342,148 km

• M1: 118,033 km (0.114 R)
• M2: 670,049 km (0.112 R)
• M3: 1,025,344 km (0.082 R)
• M4: 1,653,505 km (0.093 R)
• M5: 2,240,527 km (0.064 R)
• M6: 3,081,567 km (0.113 R)
• M7: 3,452,719 km (0.071 R)
• M8: 4,704,404 km (0.077 R)
• M9: 5,692,349 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 12.5

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.21 AU - 1.89 AU

Year: 1309 Days

Day: 7.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,342,148 km

• M1: 155,881 km (0.091 R)
• M2: 550,371 km (0.053 R)
• M3: 952,639 km (0.06 R)
• M4: 1,415,645 km (0.09 R)
• M5: 1,861,297 km (0.054 R)
• M6: 2,340,309 km (0.101 R)
• M7: 2,749,908 km (0.113 R)
• M8: 3,360,866 km (0.117 R)
• M9: 4,043,331 km (0.109 R)
• M10: 6,169,715 km (0.094 R)
• M11: 6,756,887 km (0.076 R)
• M12: 9,392,203 km (0.031 R)
• M13: 10,070,929 km (0.1 R)
• M14: 10,991,404 km (0.034 R)
• M15: 11,526,516 km (0.064 R)
• M16: 12,649,098 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 10.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.28 AU - 1.98 AU

Year: 1411 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,342,148 km

• M1: 130,599 km (0.091 R)
• M2: 559,197 km (0.109 R)
• M3: 1,029,233 km (0.053 R)
• M4: 1,419,684 km (0.117 R)
• M5: 1,757,177 km (0.108 R)
• M6: 2,183,381 km (0.055 R)
• M7: 2,704,730 km (0.07 R)
• M8: 3,216,205 km (0.075 R)
• M9: 3,825,367 km (0.066 R)
• M10: 4,801,643 km (0.108 R)
• M11: 5,664,823 km (0.075 R)
• M12: 6,263,812 km (0.076 R)
• M13: 6,803,262 km (0.111 R)
• M14: 7,267,465 km (0.087 R)
• M15: 8,878,484 km (0.098 R)
• M16: 9,308,129 km (0.062 R)
• M17: 10,044,001 km (0.051 R)
• M18: 10,749,505 km (0.062 R)
• M19: 12,109,648 km (0.045 R)
• M20: 13,262,001 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 8.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3 AU - 3.5 AU

Year: 3974 Days

Day: 12.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,342,148 km

• M1: 142,268 km (0.11 R)
• M2: 453,581 km (0.113 R)
• M3: 957,426 km (0.077 R)
• M4: 1,635,703 km (0.094 R)
• M5: 1,903,483 km (0.097 R)
• M6: 2,444,280 km (0.074 R)
• M7: 2,938,102 km (0.1 R)
• M8: 3,320,474 km (0.119 R)
• M9: 3,926,795 km (0.056 R)
• M10: 5,168,906 km (0.081 R)
• M11: 5,828,782 km (0.086 R)
• M12: 6,352,973 km (0.03 R)
• M13: 7,647,294 km (0.085 R)
• M14: 9,706,807 km (0.079 R)
• M15: 10,368,030 km (0.115 R)
• M16: 11,496,148 km (0.11 R)
• M17: 12,964,002 km (0.108 R)
• M18: 13,629,862 km (0.046 R)
• M19: 13,948,356 km (0.091 R)
• M20: 17,464,953 km (0.085 R)
• M21: 18,112,562 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.4

Radius: 13.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.42 AU - 3.98 AU

Year: 4827 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,342,148 km

• M1: 163,660 km (0.108 R)
• M2: 2,099,008 km (0.104 R)
• M3: 2,986,422 km (0.096 R)
• M4: 5,014,221 km (0.092 R)
• M5: 5,921,533 km (0.114 R)
• M6: 6,333,525 km (0.118 R)
• M7: 9,998,523 km (0.114 R)
• M8: 12,278,395 km (0.114 R)
• M9: 12,741,699 km (0.077 R)
• M10: 13,648,711 km (0.064 R)
• M11: 14,598,359 km (0.109 R)
• M12: 16,566,917 km (0.095 R)
• M13: 17,069,715 km (0.047 R)
• M14: 18,438,087 km (0.049 R)
• M15: 20,806,969 km (0.099 R)
• M16: 25,637,485 km (0.051 R)
• M17: 26,737,627 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 12.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.02 AU - 4.44 AU

Year: 5901 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,342,148 km

• M1: 160,818 km (0.077 R)
• M2: 672,592 km (0.093 R)
• M3: 1,108,670 km (0.107 R)
• M4: 1,565,691 km (0.117 R)
• M5: 2,119,503 km (0.057 R)
• M6: 2,839,667 km (0.079 R)
• M7: 3,413,375 km (0.107 R)
• M8: 4,356,290 km (0.087 R)
• M9: 8,873,398 km (0.09 R)
• M10: 9,286,288 km (0.061 R)
• M11: 9,929,708 km (0.113 R)
• M12: 11,450,371 km (0.04 R)
• M13: 12,393,436 km (0.071 R)
• M14: 13,441,369 km (0.12 R)
• M15: 13,876,848 km (0.049 R)
• M16: 15,064,805 km (0.1 R)
• M17: 16,075,338 km (0.104 R)
• M18: 17,067,172 km (0.043 R)
• M19: 17,642,675 km (0.09 R)
• M20: 18,099,398 km (0.092 R)
• M21: 23,973,508 km (0.034 R)
• M22: 25,021,590 km (0.089 R)
• M23: 26,015,818 km (0.117 R)
• M24: 27,643,891 km (0.115 R)
• M25: 32,057,926 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 9.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.1 AU - 5.76 AU

Year: 7424 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,342,148 km

• M1: 376,388 km (0.112 R)
• M2: 856,747 km (0.029 R)
• M3: 1,743,114 km (0.037 R)
• M4: 2,898,608 km (0.075 R)
• M5: 4,595,347 km (0.098 R)
• M6: 5,835,215 km (0.118 R)
• M7: 6,502,571 km (0.1 R)
• M8: 7,219,892 km (0.11 R)
• M9: 7,783,428 km (0.096 R)
• M10: 8,233,717 km (0.099 R)
• M11: 11,619,715 km (0.12 R)
• M12: 12,440,260 km (0.094 R)
• M13: 18,679,837 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.6

Radius: 4.8

Gravity: 20.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.29 AU - 9.49 AU

Year: 15032 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,342,148 km

• M1: 59,690 km (0.113 R)
• M2: 286,181 km (0.076 R)
• M3: 843,134 km (0.084 R)
• M4: 1,076,805 km (0.084 R)
• M5: 1,326,036 km (0.038 R)
• M6: 1,628,223 km (0.115 R)
• M7: 1,992,644 km (0.097 R)
• M8: 2,271,045 km (0.097 R)
• M9: 2,429,918 km (0.05 R)
• M10: 2,747,963 km (0.114 R)
• M11: 3,814,297 km (0.087 R)
• M12: 6,211,752 km (0.047 R)
• M13: 7,053,240 km (0.114 R)
• M14: 7,392,977 km (0.058 R)
• M15: 7,832,795 km (0.116 R)
• M16: 9,408,659 km (0.091 R)
• M17: 9,820,352 km (0.108 R)
• M18: 10,569,389 km (0.099 R)
• M19: 10,845,995 km (0.077 R)
• M20: 11,471,314 km (0.064 R)
• M21: 13,107,915 km (0.096 R)
• M22: 13,298,952 km (0.069 R)
• M23: 13,948,805 km (0.109 R)
• M24: 14,416,148 km (0.055 R)
• M25: 14,963,078 km (0.085 R)
• M26: 15,311,791 km (0.086 R)
• M27: 17,213,180 km (0.085 R)
• M28: 18,618,203 km (0.098 R)
• M29: 25,396,483 km (0.098 R)
• M30: 26,193,390 km (0.061 R)
• M31: 30,318,252 km (0.102 R)
• M32: 43,247,996 km (0.115 R)
• M33: 52,891,524 km (0.081 R)
• M34: 53,375,772 km (0.116 R)
• M35: 53,537,787 km (0.095 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: 220 - 13,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit