🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 10.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.15 AU - 1.53 AU

Year: 1071 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,388,222 km

• M1: 135,536 km (0.074 R)
• M2: 474,674 km (0.119 R)
• M3: 1,272,629 km (0.118 R)
• M4: 1,618,799 km (0.093 R)
• M5: 2,123,691 km (0.08 R)
• M6: 2,981,486 km (0.075 R)
• M7: 3,682,800 km (0.119 R)
• M8: 4,545,083 km (0.109 R)
• M9: 5,151,552 km (0.056 R)
• M10: 5,557,561 km (0.083 R)
• M11: 6,006,803 km (0.089 R)
• M12: 6,596,518 km (0.085 R)
• M13: 8,105,362 km (0.064 R)
• M14: 8,684,306 km (0.11 R)
• M15: 10,236,833 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 14.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.61 AU - 1.71 AU

Year: 1476 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,388,222 km

• M1: 184,005 km (0.11 R)
• M2: 681,119 km (0.111 R)
• M3: 1,486,554 km (0.111 R)
• M4: 1,962,724 km (0.025 R)
• M5: 2,695,454 km (0.102 R)
• M6: 3,326,608 km (0.07 R)
• M7: 3,969,280 km (0.094 R)
• M8: 4,968,444 km (0.057 R)
• M9: 5,812,176 km (0.074 R)
• M10: 6,898,706 km (0.087 R)
• M11: 7,543,921 km (0.109 R)
• M12: 8,806,976 km (0.096 R)
• M13: 9,505,000 km (0.068 R)
• M14: 10,909,126 km (0.104 R)
• M15: 11,931,627 km (0.088 R)
• M16: 12,410,340 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 9.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.91 AU - 3.75 AU

Year: 4194 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,388,222 km

• M1: 113,246 km (0.089 R)
• M2: 758,760 km (0.075 R)
• M3: 1,874,162 km (0.119 R)
• M4: 2,361,103 km (0.055 R)
• M5: 5,386,720 km (0.042 R)
• M6: 6,281,615 km (0.056 R)
• M7: 7,105,899 km (0.074 R)
• M8: 7,717,455 km (0.114 R)
• M9: 8,000,494 km (0.106 R)
• M10: 10,349,031 km (0.056 R)
• M11: 11,773,352 km (0.064 R)
• M12: 12,532,562 km (0.112 R)
• M13: 16,532,210 km (0.091 R)
• M14: 20,355,782 km (0.032 R)
• M15: 22,364,882 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 14.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.86 AU - 4.18 AU

Year: 4559 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,388,222 km

• M1: 185,950 km (0.08 R)
• M2: 1,042,099 km (0.111 R)
• M3: 1,574,368 km (0.025 R)
• M4: 2,201,632 km (0.04 R)
• M5: 2,796,583 km (0.104 R)
• M6: 3,815,494 km (0.092 R)
• M7: 4,912,495 km (0.097 R)
• M8: 5,591,968 km (0.111 R)
• M9: 6,940,593 km (0.114 R)
• M10: 8,421,313 km (0.07 R)
• M11: 9,116,943 km (0.118 R)
• M12: 9,976,832 km (0.105 R)
• M13: 12,984,347 km (0.108 R)
• M14: 14,832,778 km (0.12 R)
• M15: 15,676,510 km (0.091 R)
• M16: 18,146,820 km (0.11 R)
• M17: 19,375,467 km (0.103 R)
• M18: 20,111,639 km (0.065 R)
• M19: 20,589,903 km (0.057 R)
• M20: 23,469,961 km (0.103 R)
• M21: 25,163,708 km (0.114 R)
• M22: 26,855,211 km (0.09 R)
• M23: 28,364,504 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 11.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.64 AU - 4.9 AU

Year: 6091 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,388,222 km

• M1: 414,386 km (0.107 R)
• M2: 889,958 km (0.064 R)
• M3: 1,615,807 km (0.115 R)
• M4: 2,043,208 km (0.077 R)
• M5: 2,684,384 km (0.091 R)
• M6: 5,521,059 km (0.08 R)
• M7: 6,470,856 km (0.099 R)
• M8: 8,692,683 km (0.117 R)
• M9: 9,675,691 km (0.12 R)
• M10: 11,099,713 km (0.037 R)
• M11: 14,138,644 km (0.095 R)
• M12: 16,509,172 km (0.078 R)
• M13: 17,000,900 km (0.086 R)
• M14: 22,544,998 km (0.109 R)
• M15: 24,079,273 km (0.096 R)
• M16: 25,437,173 km (0.066 R)
• M17: 30,915,896 km (0.109 R)
• M18: 31,288,245 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 11.2

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.64 AU - 5.4 AU

Year: 7764 Days

Day: 8 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,388,222 km

• M1: 139,874 km (0.094 R)
• M2: 822,190 km (0.101 R)
• M3: 1,289,384 km (0.076 R)
• M4: 3,219,346 km (0.067 R)
• M5: 4,164,356 km (0.108 R)
• M6: 4,687,649 km (0.065 R)
• M7: 5,602,889 km (0.098 R)
• M8: 6,706,473 km (0.072 R)
• M9: 11,039,874 km (0.119 R)
• M10: 12,823,230 km (0.063 R)
• M11: 13,933,246 km (0.115 R)
• M12: 14,853,872 km (0.115 R)
• M13: 15,297,130 km (0.094 R)
• M14: 16,680,312 km (0.119 R)
• M15: 18,216,982 km (0.106 R)
• M16: 19,019,724 km (0.072 R)
• M17: 19,467,470 km (0.114 R)
• M18: 19,998,842 km (0.109 R)
• M19: 21,975,478 km (0.078 R)
• M20: 22,385,825 km (0.119 R)
• M21: 25,674,585 km (0.106 R)
• M22: 29,669,596 km (0.102 R)
• M23: 30,272,176 km (0.08 R)
• M24: 31,398,199 km (0.098 R)
• M25: 32,340,217 km (0.066 R)
• M26: 37,684,452 km (0.093 R)
• M27: 38,867,472 km (0.081 R)
• M28: 40,075,175 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.6

Radius: 5

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.19 AU - 5.91 AU

Year: 9025 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,388,222 km

• M1: 62,532 km (0.111 R)
• M2: 226,042 km (0.089 R)
• M3: 459,714 km (0.055 R)
• M4: 654,640 km (0.093 R)
• M5: 1,041,949 km (0.108 R)
• M6: 1,462,170 km (0.113 R)
• M7: 2,534,487 km (0.083 R)
• M8: 2,771,001 km (0.12 R)
• M9: 4,128,452 km (0.099 R)
• M10: 4,772,471 km (0.068 R)
• M11: 6,653,216 km (0.097 R)
• M12: 8,277,849 km (0.104 R)
• M13: 9,158,980 km (0.099 R)
• M14: 10,346,189 km (0.11 R)
• M15: 10,951,013 km (0.048 R)
• M16: 11,901,857 km (0.115 R)
• M17: 13,488,642 km (0.099 R)
• M18: 13,846,181 km (0.111 R)
• M19: 16,191,726 km (0.112 R)
• M20: 18,278,017 km (0.101 R)
• M21: 19,612,131 km (0.076 R)
• M22: 22,224,409 km (0.107 R)
• M23: 24,002,230 km (0.069 R)
• M24: 24,439,056 km (0.082 R)
• M25: 26,055,611 km (0.059 R)
• M26: 32,274,394 km (0.103 R)
• M27: 33,236,309 km (0.066 R)
• M28: 35,894,962 km (0.092 R)
• M29: 40,512,001 km (0.073 R)
• M30: 41,756,506 km (0.079 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: 157 - 14,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit