🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.3

Radius: 12.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.73 AU - 0.73 AU

Year: 431 Days

Day: 9 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,885,401 km

• M1: 155,582 km (0.05 R)
• M2: 589,565 km (0.104 R)
• M3: 1,203,515 km (0.118 R)
• M4: 1,719,927 km (0.092 R)
• M5: 2,373,520 km (0.11 R)
• M6: 3,026,814 km (0.045 R)
• M7: 3,590,050 km (0.064 R)
• M8: 4,648,903 km (0.103 R)
• M9: 5,087,973 km (0.054 R)
• M10: 5,834,317 km (0.09 R)
• M11: 6,252,892 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 10.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.12 AU - 1.74 AU

Year: 1180 Days

Day: 8.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,885,401 km

• M1: 133,142 km (0.039 R)
• M2: 600,785 km (0.105 R)
• M3: 1,051,224 km (0.048 R)
• M4: 1,415,046 km (0.087 R)
• M5: 2,102,299 km (0.097 R)
• M6: 2,642,946 km (0.066 R)
• M7: 3,374,479 km (0.117 R)
• M8: 3,987,382 km (0.087 R)
• M9: 4,968,744 km (0.078 R)
• M10: 5,805,145 km (0.065 R)
• M11: 6,147,575 km (0.049 R)
• M12: 7,135,370 km (0.09 R)
• M13: 8,093,544 km (0.08 R)
• M14: 9,278,958 km (0.101 R)
• M15: 9,988,949 km (0.112 R)
• M16: 10,766,708 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 10.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.43 AU - 1.65 AU

Year: 1319 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,885,401 km

• M1: 128,205 km (0.07 R)
• M2: 663,467 km (0.11 R)
• M3: 1,227,002 km (0.095 R)
• M4: 2,402,243 km (0.06 R)
• M5: 3,241,038 km (0.073 R)
• M6: 3,794,849 km (0.067 R)
• M7: 4,355,243 km (0.116 R)
• M8: 6,091,924 km (0.116 R)
• M9: 6,836,623 km (0.108 R)
• M10: 7,885,753 km (0.087 R)
• M11: 8,248,827 km (0.081 R)
• M12: 11,043,614 km (0.092 R)
• M13: 12,521,940 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.53 AU - 1.61 AU

Year: 1358 Days

Day: 15 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,885,401 km

• M1: 184,005 km (0.105 R)
• M2: 723,306 km (0.116 R)
• M3: 1,426,416 km (0.098 R)
• M4: 2,230,654 km (0.052 R)
• M5: 2,711,611 km (0.098 R)
• M6: 3,494,157 km (0.081 R)
• M7: 4,008,924 km (0.062 R)
• M8: 5,089,768 km (0.103 R)
• M9: 5,577,757 km (0.09 R)
• M10: 6,238,082 km (0.114 R)
• M11: 6,823,458 km (0.049 R)
• M12: 8,133,636 km (0.052 R)
• M13: 8,714,375 km (0.066 R)
• M14: 9,198,923 km (0.052 R)
• M15: 10,156,050 km (0.057 R)
• M16: 10,968,665 km (0.073 R)
• M17: 11,934,469 km (0.104 R)
• M18: 12,495,162 km (0.092 R)
• M19: 13,309,573 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.3

Radius: 8.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.91 AU - 2.49 AU

Year: 2252 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,885,401 km

• M1: 102,624 km (0.118 R)
• M2: 375,191 km (0.091 R)
• M3: 2,034,980 km (0.096 R)
• M4: 2,376,063 km (0.1 R)
• M5: 4,027,923 km (0.076 R)
• M6: 4,448,891 km (0.1 R)
• M7: 5,842,246 km (0.076 R)
• M8: 7,199,398 km (0.106 R)
• M9: 8,881,177 km (0.113 R)
• M10: 10,172,805 km (0.075 R)
• M11: 10,452,553 km (0.098 R)
• M12: 12,006,426 km (0.119 R)
• M13: 13,539,954 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.2

Radius: 14

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.76 AU - 3.96 AU

Year: 5235 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 167.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,885,401 km

• M1: 174,282 km (0.111 R)
• M2: 642,523 km (0.119 R)
• M3: 1,102,985 km (0.098 R)
• M4: 2,371,126 km (0.07 R)
• M5: 2,865,697 km (0.114 R)
• M6: 3,448,231 km (0.113 R)
• M7: 4,347,913 km (0.098 R)
• M8: 4,806,280 km (0.108 R)
• M9: 5,528,539 km (0.12 R)
• M10: 6,613,123 km (0.103 R)
• M11: 8,343,522 km (0.092 R)
• M12: 9,128,911 km (0.086 R)
• M13: 10,765,212 km (0.076 R)
• M14: 11,309,300 km (0.087 R)
• M15: 12,727,338 km (0.091 R)
• M16: 17,236,367 km (0.078 R)
• M17: 18,216,084 km (0.094 R)
• M18: 18,689,711 km (0.046 R)
• M19: 19,293,488 km (0.107 R)
• M20: 20,924,254 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.9

Radius: 4

Gravity: 31.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.81 AU - 7.53 AU

Year: 10579 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,885,401 km

• M1: 49,816 km (0.098 R)
• M2: 180,415 km (0.086 R)
• M3: 327,919 km (0.095 R)
• M4: 1,367,474 km (0.116 R)
• M5: 2,081,954 km (0.086 R)
• M6: 2,481,380 km (0.108 R)
• M7: 2,678,849 km (0.12 R)
• M8: 2,994,949 km (0.096 R)
• M9: 3,430,279 km (0.071 R)
• M10: 3,700,902 km (0.108 R)
• M11: 4,482,850 km (0.053 R)
• M12: 4,989,388 km (0.113 R)
• M13: 5,113,854 km (0.073 R)
• M14: 5,304,591 km (0.077 R)
• M15: 5,566,088 km (0.104 R)
• M16: 5,767,896 km (0.092 R)
• M17: 6,889,281 km (0.054 R)
• M18: 7,893,681 km (0.11 R)
• M19: 9,842,792 km (0.071 R)
• M20: 11,649,037 km (0.045 R)
• M21: 13,970,347 km (0.1 R)
• M22: 14,280,613 km (0.089 R)
• M23: 15,108,787 km (0.095 R)
• M24: 16,239,447 km (0.079 R)
• M25: 16,790,416 km (0.112 R)
• M26: 20,203,492 km (0.094 R)
• M27: 20,921,262 km (0.06 R)
• M28: 21,164,209 km (0.075 R)
• M29: 21,327,271 km (0.038 R)
• M30: 28,261,581 km (0.064 R)
• M31: 28,558,533 km (0.052 R)
• M32: 34,490,836 km (0.104 R)
• M33: 35,057,214 km (0.104 R)
• M34: 35,514,834 km (0.119 R)
• M35: 38,344,477 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.6

Radius: 3.1

Gravity: 91.63 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.23 AU - 8.61 AU

Year: 13951 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,885,401 km

• M1: 38,596 km (0.083 R)
• M2: 232,774 km (0.114 R)
• M3: 2,271,045 km (0.102 R)
• M4: 3,047,608 km (0.062 R)
• M5: 3,359,519 km (0.092 R)
• M6: 3,663,801 km (0.114 R)
• M7: 4,263,539 km (0.079 R)
• M8: 4,720,561 km (0.061 R)
• M9: 5,769,541 km (0.086 R)
• M10: 8,464,098 km (0.082 R)
• M11: 8,665,606 km (0.113 R)
• M12: 9,183,065 km (0.113 R)
• M13: 12,925,705 km (0.051 R)
• M14: 14,727,910 km (0.119 R)
• M15: 15,840,320 km (0.118 R)
• M16: 16,927,897 km (0.039 R)
• M17: 23,315,427 km (0.12 R)
• M18: 26,285,842 km (0.101 R)
• M19: 26,930,309 km (0.048 R)
• M20: 30,077,699 km (0.113 R)
• M21: 31,020,166 km (0.094 R)
• M22: 31,739,582 km (0.059 R)
• M23: 36,424,389 km (0.12 R)
• M24: 37,765,234 km (0.1 R)
• M25: 38,173,786 km (0.072 R)
• M26: 44,965,530 km (0.091 R)
• M27: 46,351,703 km (0.059 R)
• M28: 46,976,873 km (0.114 R)
• M29: 47,449,453 km (0.115 R)
• M30: 48,084,346 km (0.104 R)
• M31: 50,351,352 km (0.057 R)
• M32: 53,711,919 km (0.039 R)
• M33: 56,861,552 km (0.115 R)
• M34: 60,875,413 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.8

Radius: 4.9

Gravity: 22.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.72 AU - 12.54 AU

Year: 22255 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,885,401 km

• M1: 61,036 km (0.079 R)
• M2: 231,428 km (0.072 R)
• M3: 433,535 km (0.097 R)
• M4: 1,007,841 km (0.11 R)
• M5: 1,424,621 km (0.074 R)
• M6: 2,047,396 km (0.07 R)
• M7: 2,408,376 km (0.094 R)
• M8: 3,839,729 km (0.107 R)
• M9: 4,734,025 km (0.063 R)
• M10: 7,250,560 km (0.105 R)
• M11: 8,394,236 km (0.066 R)
• M12: 10,599,907 km (0.107 R)
• M13: 13,809,529 km (0.078 R)
• M14: 15,633,725 km (0.09 R)
• M15: 22,058,954 km (0.072 R)
• M16: 26,292,275 km (0.108 R)
• M17: 33,477,610 km (0.114 R)
• M18: 35,630,024 km (0.116 R)
• M19: 35,905,434 km (0.082 R)
• M20: 59,104,473 km (0.073 R)
• M21: 59,297,305 km (0.098 R)
• M22: 61,841,217 km (0.076 R)
• M23: 64,661,136 km (0.075 R)
• M24: 65,070,885 km (0.09 R)
• M25: 68,836,712 km (0.099 R)
• M26: 72,303,792 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 11,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit