🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 14.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.5 AU - 2.48 AU

Year: 1938 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,550,295 km

• M1: 175,329 km (0.112 R)
• M2: 623,674 km (0.096 R)
• M3: 1,143,377 km (0.075 R)
• M4: 2,046,648 km (0.088 R)
• M5: 3,024,271 km (0.119 R)
• M6: 4,444,104 km (0.095 R)
• M7: 6,319,762 km (0.092 R)
• M8: 6,868,188 km (0.061 R)
• M9: 7,448,328 km (0.116 R)
• M10: 9,905,025 km (0.114 R)
• M11: 11,644,997 km (0.094 R)
• M12: 13,378,089 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.8

Radius: 9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.59 AU - 2.53 AU

Year: 2041 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,550,295 km

• M1: 113,246 km (0.111 R)
• M2: 538,253 km (0.09 R)
• M3: 1,120,638 km (0.112 R)
• M4: 2,468,514 km (0.093 R)
• M5: 2,768,907 km (0.064 R)
• M6: 3,821,328 km (0.113 R)
• M7: 5,540,507 km (0.081 R)
• M8: 6,815,380 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 13.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.22 AU - 2.86 AU

Year: 2794 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,550,295 km

• M1: 169,195 km (0.086 R)
• M2: 822,788 km (0.104 R)
• M3: 1,314,965 km (0.116 R)
• M4: 1,790,238 km (0.079 R)
• M5: 2,661,645 km (0.068 R)
• M6: 3,116,872 km (0.078 R)
• M7: 3,907,796 km (0.1 R)
• M8: 6,159,692 km (0.088 R)
• M9: 6,884,045 km (0.102 R)
• M10: 7,435,762 km (0.114 R)
• M11: 8,318,539 km (0.11 R)
• M12: 10,470,804 km (0.118 R)
• M13: 10,905,535 km (0.111 R)
• M14: 11,542,074 km (0.078 R)
• M15: 12,402,411 km (0.068 R)
• M16: 14,163,627 km (0.082 R)
• M17: 14,967,267 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 14.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.55 AU - 3.01 AU

Year: 3199 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 56.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,550,295 km

• M1: 183,257 km (0.103 R)
• M2: 990,039 km (0.109 R)
• M3: 1,850,376 km (0.097 R)
• M4: 2,409,723 km (0.07 R)
• M5: 3,264,375 km (0.09 R)
• M6: 4,450,836 km (0.037 R)
• M7: 8,464,846 km (0.063 R)
• M8: 14,175,595 km (0.093 R)
• M9: 18,974,246 km (0.03 R)
• M10: 23,163,435 km (0.075 R)
• M11: 23,736,096 km (0.107 R)
• M12: 25,284,583 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 9.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.87 AU - 4.83 AU

Year: 6262 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,550,295 km

• M1: 117,285 km (0.117 R)
• M2: 420,220 km (0.116 R)
• M3: 727,046 km (0.118 R)
• M4: 1,258,866 km (0.112 R)
• M5: 1,589,926 km (0.117 R)
• M6: 2,034,232 km (0.115 R)
• M7: 2,354,820 km (0.092 R)
• M8: 2,829,494 km (0.093 R)
• M9: 3,212,165 km (0.108 R)
• M10: 3,587,955 km (0.062 R)
• M11: 4,127,106 km (0.025 R)
• M12: 4,744,347 km (0.077 R)
• M13: 6,557,024 km (0.026 R)
• M14: 7,363,806 km (0.082 R)
• M15: 9,609,120 km (0.119 R)
• M16: 10,016,475 km (0.109 R)
• M17: 11,218,644 km (0.099 R)
• M18: 14,963,677 km (0.105 R)
• M19: 15,345,750 km (0.117 R)
• M20: 16,939,565 km (0.118 R)
• M21: 17,354,699 km (0.11 R)
• M22: 20,519,891 km (0.118 R)
• M23: 21,957,227 km (0.116 R)
• M24: 22,664,825 km (0.106 R)
• M25: 23,168,970 km (0.089 R)
• M26: 24,050,850 km (0.099 R)
• M27: 25,492,524 km (0.089 R)
• M28: 25,959,569 km (0.086 R)
• M29: 26,274,024 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.4

Radius: 6

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.61 AU - 7.51 AU

Year: 11598 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,550,295 km

• M1: 75,996 km (0.103 R)
• M2: 387,309 km (0.113 R)
• M3: 663,915 km (0.097 R)
• M4: 1,099,096 km (0.119 R)
• M5: 1,653,655 km (0.115 R)
• M6: 1,880,296 km (0.042 R)
• M7: 2,503,072 km (0.095 R)
• M8: 3,106,101 km (0.112 R)
• M9: 3,475,607 km (0.104 R)
• M10: 3,753,710 km (0.114 R)
• M11: 4,021,640 km (0.107 R)
• M12: 4,380,974 km (0.099 R)
• M13: 5,105,027 km (0.075 R)
• M14: 5,373,406 km (0.103 R)
• M15: 6,201,879 km (0.111 R)
• M16: 9,065,930 km (0.069 R)
• M17: 9,548,982 km (0.103 R)
• M18: 9,911,009 km (0.077 R)
• M19: 12,438,016 km (0.118 R)
• M20: 13,367,617 km (0.102 R)
• M21: 15,241,629 km (0.069 R)
• M22: 16,241,392 km (0.077 R)
• M23: 16,497,952 km (0.112 R)
• M24: 17,151,246 km (0.111 R)
• M25: 18,026,244 km (0.073 R)
• M26: 18,930,713 km (0.071 R)
• M27: 20,380,466 km (0.11 R)
• M28: 22,691,753 km (0.101 R)
• M29: 25,775,713 km (0.108 R)
• M30: 26,922,381 km (0.11 R)
• M31: 34,737,074 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.5

Radius: 4.5

Gravity: 32.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.94 AU - 8.54 AU

Year: 13447 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,550,295 km

• M1: 55,950 km (0.076 R)
• M2: 249,679 km (0.088 R)
• M3: 565,031 km (0.052 R)
• M4: 727,345 km (0.091 R)
• M5: 1,249,741 km (0.065 R)
• M6: 1,590,375 km (0.073 R)
• M7: 1,749,547 km (0.094 R)
• M8: 2,433,658 km (0.073 R)
• M9: 4,070,259 km (0.096 R)
• M10: 5,080,194 km (0.066 R)
• M11: 6,285,803 km (0.078 R)
• M12: 7,231,112 km (0.102 R)
• M13: 11,488,967 km (0.109 R)
• M14: 14,204,916 km (0.11 R)
• M15: 15,032,940 km (0.072 R)
• M16: 15,602,460 km (0.088 R)
• M17: 21,570,218 km (0.046 R)
• M18: 22,294,271 km (0.114 R)
• M19: 28,572,445 km (0.08 R)
• M20: 28,897,671 km (0.102 R)
• M21: 29,225,440 km (0.116 R)
• M22: 32,053,737 km (0.052 R)
• M23: 32,758,643 km (0.07 R)
• M24: 38,907,115 km (0.098 R)
• M25: 43,740,921 km (0.09 R)
• M26: 44,317,621 km (0.089 R)
• M27: 47,126,321 km (0.113 R)
• M28: 49,581,671 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.7

Radius: 5.3

Gravity: 19.6 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.97 AU - 8.49 AU

Year: 16297 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,550,295 km

• M1: 71,957 km (0.077 R)
• M2: 475,572 km (0.088 R)
• M3: 653,443 km (0.069 R)
• M4: 1,832,574 km (0.103 R)
• M5: 2,202,081 km (0.055 R)
• M6: 2,709,517 km (0.061 R)
• M7: 3,584,515 km (0.11 R)
• M8: 5,353,958 km (0.052 R)
• M9: 5,873,811 km (0.079 R)
• M10: 7,726,880 km (0.116 R)
• M11: 8,886,413 km (0.089 R)
• M12: 9,560,501 km (0.107 R)
• M13: 10,436,396 km (0.047 R)
• M14: 19,452,959 km (0.104 R)
• M15: 20,675,174 km (0.101 R)
• M16: 26,286,291 km (0.116 R)
• M17: 28,324,412 km (0.07 R)
• M18: 31,516,232 km (0.099 R)
• M19: 32,350,091 km (0.108 R)
• M20: 34,561,746 km (0.1 R)
• M21: 35,066,489 km (0.113 R)
• M22: 37,003,482 km (0.101 R)
• M23: 42,514,817 km (0.038 R)
• M24: 45,616,131 km (0.106 R)
• M25: 51,277,513 km (0.08 R)
• M26: 52,596,218 km (0.109 R)
• M27: 59,891,956 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.1

Radius: 3.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.03 AU - 11.73 AU

Year: 21436 Days

Day: 22.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,550,295 km

• M1: 39,793 km (0.038 R)
• M2: 209,886 km (0.12 R)
• M3: 424,260 km (0.048 R)
• M4: 551,418 km (0.051 R)
• M5: 1,229,246 km (0.099 R)
• M6: 1,400,086 km (0.118 R)
• M7: 1,881,343 km (0.066 R)
• M8: 6,503,917 km (0.078 R)
• M9: 7,021,675 km (0.069 R)
• M10: 7,727,179 km (0.117 R)
• M11: 15,022,768 km (0.092 R)
• M12: 16,254,557 km (0.118 R)
• M13: 21,694,234 km (0.054 R)
• M14: 28,039,727 km (0.065 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 13,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit