🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 8.3

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 13.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,419,405 km

• M1: 103,223 km (0.115 R)
• M2: 379,380 km (0.091 R)
• M3: 1,042,099 km (0.12 R)
• M4: 1,824,196 km (0.063 R)
• M5: 2,241,126 km (0.106 R)
• M6: 2,913,867 km (0.057 R)
• M7: 3,464,537 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 13.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.35 AU - 2.21 AU

Year: 1639 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,419,405 km

• M1: 171,738 km (0.087 R)
• M2: 856,747 km (0.116 R)
• M3: 1,876,556 km (0.107 R)
• M4: 3,111,636 km (0.107 R)
• M5: 3,615,930 km (0.071 R)
• M6: 4,081,030 km (0.118 R)
• M7: 5,242,957 km (0.105 R)
• M8: 5,841,797 km (0.108 R)
• M9: 6,825,552 km (0.063 R)
• M10: 7,540,780 km (0.076 R)
• M11: 8,244,937 km (0.086 R)
• M12: 10,338,858 km (0.055 R)
• M13: 12,645,059 km (0.095 R)
• M14: 13,940,278 km (0.104 R)
• M15: 14,509,049 km (0.095 R)
• M16: 15,002,273 km (0.096 R)
• M17: 15,460,491 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 8.1

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.77 AU - 1.95 AU

Year: 1751 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,419,405 km

• M1: 100,679 km (0.113 R)
• M2: 426,204 km (0.041 R)
• M3: 857,345 km (0.102 R)
• M4: 1,732,643 km (0.112 R)
• M5: 2,019,422 km (0.089 R)
• M6: 2,718,193 km (0.044 R)
• M7: 3,076,779 km (0.109 R)
• M8: 4,228,085 km (0.094 R)
• M9: 4,773,668 km (0.049 R)
• M10: 5,762,510 km (0.091 R)
• M11: 6,407,426 km (0.117 R)
• M12: 7,378,915 km (0.106 R)
• M13: 7,840,873 km (0.112 R)
• M14: 8,139,321 km (0.104 R)
• M15: 8,601,279 km (0.078 R)
• M16: 8,854,698 km (0.072 R)
• M17: 9,145,666 km (0.097 R)
• M18: 9,611,214 km (0.104 R)
• M19: 10,232,794 km (0.112 R)
• M20: 10,880,852 km (0.092 R)
• M21: 11,365,698 km (0.077 R)
• M22: 12,021,386 km (0.082 R)
• M23: 12,579,984 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 10

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.9 AU - 3.06 AU

Year: 2696 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,419,405 km

• M1: 124,316 km (0.11 R)
• M2: 466,297 km (0.073 R)
• M3: 1,003,203 km (0.082 R)
• M4: 2,044,105 km (0.032 R)
• M5: 2,633,970 km (0.077 R)
• M6: 3,299,381 km (0.027 R)
• M7: 3,783,929 km (0.077 R)
• M8: 4,172,883 km (0.119 R)
• M9: 4,696,625 km (0.109 R)
• M10: 5,406,617 km (0.097 R)
• M11: 6,107,782 km (0.119 R)
• M12: 6,953,608 km (0.116 R)
• M13: 8,577,942 km (0.108 R)
• M14: 9,046,183 km (0.106 R)
• M15: 9,744,656 km (0.117 R)
• M16: 10,070,629 km (0.117 R)
• M17: 11,249,311 km (0.032 R)
• M18: 12,517,602 km (0.105 R)
• M19: 14,524,906 km (0.119 R)
• M20: 16,583,822 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.7

Radius: 8.2

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.47 AU - 3.35 AU

Year: 3426 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,419,405 km

• M1: 102,026 km (0.111 R)
• M2: 512,522 km (0.113 R)
• M3: 801,695 km (0.087 R)
• M4: 1,696,589 km (0.079 R)
• M5: 2,051,585 km (0.077 R)
• M6: 2,677,353 km (0.119 R)
• M7: 3,253,454 km (0.098 R)
• M8: 5,093,807 km (0.118 R)
• M9: 5,483,660 km (0.069 R)
• M10: 6,560,914 km (0.116 R)
• M11: 6,897,509 km (0.041 R)
• M12: 8,150,242 km (0.071 R)
• M13: 8,575,548 km (0.059 R)
• M14: 8,978,415 km (0.119 R)
• M15: 10,181,930 km (0.055 R)
• M16: 13,929,207 km (0.062 R)
• M17: 16,246,778 km (0.046 R)
• M18: 17,149,750 km (0.05 R)
• M19: 20,574,644 km (0.091 R)
• M20: 22,378,046 km (0.065 R)
• M21: 23,708,570 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 11.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.45 AU - 3.45 AU

Year: 3497 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,419,405 km

• M1: 141,819 km (0.117 R)
• M2: 515,065 km (0.084 R)
• M3: 874,250 km (0.076 R)
• M4: 1,886,429 km (0.085 R)
• M5: 2,559,171 km (0.056 R)
• M6: 3,348,000 km (0.109 R)
• M7: 3,718,405 km (0.114 R)
• M8: 4,589,064 km (0.102 R)
• M9: 4,973,381 km (0.075 R)
• M10: 5,890,267 km (0.082 R)
• M11: 6,433,307 km (0.104 R)
• M12: 6,885,392 km (0.117 R)
• M13: 8,512,268 km (0.093 R)
• M14: 9,169,901 km (0.105 R)
• M15: 11,919,510 km (0.115 R)
• M16: 12,649,697 km (0.086 R)
• M17: 14,099,001 km (0.117 R)
• M18: 14,915,805 km (0.08 R)
• M19: 16,310,207 km (0.063 R)
• M20: 16,925,503 km (0.06 R)
• M21: 19,048,147 km (0.097 R)
• M22: 23,250,202 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.7

Radius: 13.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.38 AU - 4.52 AU

Year: 5419 Days

Day: 10.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,419,405 km

• M1: 168,597 km (0.089 R)
• M2: 592,557 km (0.117 R)
• M3: 1,283,550 km (0.118 R)
• M4: 1,709,904 km (0.117 R)
• M5: 2,397,007 km (0.118 R)
• M6: 3,520,487 km (0.108 R)
• M7: 4,276,854 km (0.115 R)
• M8: 4,858,041 km (0.115 R)
• M9: 5,491,588 km (0.089 R)
• M10: 6,681,340 km (0.091 R)
• M11: 7,282,873 km (0.047 R)
• M12: 13,200,666 km (0.092 R)
• M13: 18,750,148 km (0.093 R)
• M14: 20,021,581 km (0.093 R)
• M15: 23,131,122 km (0.114 R)
• M16: 23,773,346 km (0.085 R)
• M17: 24,759,196 km (0.057 R)
• M18: 25,857,543 km (0.091 R)
• M19: 26,724,463 km (0.107 R)
• M20: 28,060,821 km (0.071 R)
• M21: 29,723,003 km (0.083 R)
• M22: 33,752,421 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 9.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.49 AU - 4.87 AU

Year: 6988 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,419,405 km

• M1: 115,639 km (0.062 R)
• M2: 1,282,503 km (0.062 R)
• M3: 2,242,472 km (0.105 R)
• M4: 2,991,509 km (0.102 R)
• M5: 3,489,370 km (0.042 R)
• M6: 5,090,666 km (0.074 R)
• M7: 5,438,331 km (0.073 R)
• M8: 8,818,944 km (0.118 R)
• M9: 10,066,740 km (0.067 R)
• M10: 10,523,163 km (0.069 R)
• M11: 10,993,200 km (0.086 R)
• M12: 13,284,441 km (0.073 R)
• M13: 13,667,561 km (0.1 R)
• M14: 18,652,311 km (0.069 R)
• M15: 22,191,498 km (0.089 R)
• M16: 25,310,464 km (0.072 R)
• M17: 25,730,385 km (0.118 R)
• M18: 26,240,364 km (0.111 R)
• M19: 29,535,706 km (0.116 R)
• M20: 31,138,348 km (0.065 R)
• M21: 31,814,830 km (0.111 R)
• M22: 33,097,183 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599

Radius: 5

Gravity: 23.96 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.59 AU - 5.85 AU

Year: 9443 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,419,405 km

• M1: 62,233 km (0.067 R)
• M2: 223,050 km (0.114 R)
• M3: 686,505 km (0.083 R)
• M4: 1,413,101 km (0.1 R)
• M5: 2,117,707 km (0.108 R)
• M6: 4,549,122 km (0.109 R)
• M7: 4,873,749 km (0.073 R)
• M8: 6,999,385 km (0.079 R)
• M9: 7,193,862 km (0.068 R)
• M10: 10,210,204 km (0.107 R)
• M11: 11,611,188 km (0.076 R)
• M12: 12,556,048 km (0.105 R)
• M13: 14,979,833 km (0.112 R)
• M14: 16,574,546 km (0.085 R)
• M15: 16,850,854 km (0.084 R)
• M16: 21,948,850 km (0.097 R)
• M17: 25,802,940 km (0.057 R)
• M18: 27,309,390 km (0.059 R)
• M19: 27,791,844 km (0.045 R)
• M20: 39,161,880 km (0.102 R)
• M21: 40,895,720 km (0.089 R)
• M22: 42,809,525 km (0.113 R)
• M23: 44,118,058 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.4

Radius: 3

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.07 AU - 11.69 AU

Year: 21436 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,419,405 km

• M1: 39,643 km (0.066 R)
• M2: 255,812 km (0.103 R)
• M3: 405,261 km (0.103 R)
• M4: 841,787 km (0.07 R)
• M5: 3,124,501 km (0.063 R)
• M6: 6,200,533 km (0.083 R)
• M7: 6,552,985 km (0.03 R)
• M8: 15,316,877 km (0.114 R)
• M9: 15,815,188 km (0.115 R)
• M10: 16,104,660 km (0.103 R)
• M11: 16,397,572 km (0.113 R)
• M12: 17,605,276 km (0.113 R)
• M13: 21,142,218 km (0.081 R)
• M14: 21,848,619 km (0.051 R)
• M15: 23,495,243 km (0.095 R)
• M16: 31,933,610 km (0.039 R)
• M17: 34,048,775 km (0.101 R)
• M18: 35,263,360 km (0.076 R)
• M19: 39,608,729 km (0.072 R)
• M20: 39,741,722 km (0.116 R)
• M21: 47,221,316 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 17,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit