🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 10.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.63 AU - 0.73 AU

Year: 362 Days

Day: 5.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,092,732 km

• M1: 126,859 km (0.104 R)
• M2: 490,831 km (0.094 R)
• M3: 824,583 km (0.115 R)
• M4: 1,415,495 km (0.092 R)
• M5: 1,767,499 km (0.069 R)
• M6: 2,440,091 km (0.1 R)
• M7: 2,896,215 km (0.113 R)
• M8: 3,315,986 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 14.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.84 AU - 1.24 AU

Year: 685 Days

Day: 8.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,092,732 km

• M1: 181,911 km (0.083 R)
• M2: 648,656 km (0.062 R)
• M3: 1,263,504 km (0.083 R)
• M4: 1,717,982 km (0.108 R)
• M5: 2,178,893 km (0.06 R)
• M6: 2,791,047 km (0.08 R)
• M7: 3,450,774 km (0.074 R)
• M8: 4,848,916 km (0.03 R)
• M9: 5,349,171 km (0.096 R)
• M10: 6,135,158 km (0.083 R)
• M11: 6,869,235 km (0.086 R)
• M12: 7,502,632 km (0.098 R)
• M13: 7,985,534 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 10

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.81 AU - 2.43 AU

Year: 1993 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,092,732 km

• M1: 124,465 km (0.109 R)
• M2: 478,564 km (0.085 R)
• M3: 845,826 km (0.074 R)
• M4: 1,406,070 km (0.101 R)
• M5: 1,838,109 km (0.085 R)
• M6: 2,212,852 km (0.047 R)
• M7: 3,729,625 km (0.045 R)
• M8: 4,233,769 km (0.08 R)
• M9: 5,167,110 km (0.119 R)
• M10: 5,645,524 km (0.063 R)
• M11: 7,086,302 km (0.052 R)
• M12: 8,824,928 km (0.086 R)
• M13: 10,792,738 km (0.114 R)
• M14: 11,179,748 km (0.086 R)
• M15: 12,522,987 km (0.048 R)
• M16: 13,255,419 km (0.112 R)
• M17: 13,879,990 km (0.066 R)
• M18: 14,711,604 km (0.118 R)
• M19: 15,235,945 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.5

Radius: 10.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.67 AU - 3.85 AU

Year: 4708 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 51.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,092,732 km

• M1: 127,457 km (0.087 R)
• M2: 746,793 km (0.077 R)
• M3: 1,336,657 km (0.089 R)
• M4: 1,680,433 km (0.09 R)
• M5: 2,107,236 km (0.069 R)
• M6: 3,392,132 km (0.068 R)
• M7: 3,805,022 km (0.03 R)
• M8: 5,948,011 km (0.107 R)
• M9: 8,145,903 km (0.111 R)
• M10: 9,509,937 km (0.085 R)
• M11: 10,512,093 km (0.088 R)
• M12: 10,873,521 km (0.112 R)
• M13: 12,086,311 km (0.094 R)
• M14: 13,429,251 km (0.092 R)
• M15: 14,028,092 km (0.118 R)
• M16: 15,279,029 km (0.083 R)
• M17: 15,696,407 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.4

Radius: 13.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.58 AU - 4.66 AU

Year: 6412 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,092,732 km

• M1: 170,542 km (0.094 R)
• M2: 899,233 km (0.12 R)
• M3: 2,249,503 km (0.105 R)
• M4: 2,871,382 km (0.107 R)
• M5: 4,712,782 km (0.11 R)
• M6: 5,422,624 km (0.062 R)
• M7: 7,987,330 km (0.067 R)
• M8: 8,910,947 km (0.056 R)
• M9: 10,970,909 km (0.117 R)
• M10: 11,532,201 km (0.108 R)
• M11: 12,656,877 km (0.098 R)
• M12: 14,388,772 km (0.101 R)
• M13: 24,861,371 km (0.046 R)
• M14: 30,063,487 km (0.072 R)
• M15: 30,761,062 km (0.088 R)
• M16: 39,517,175 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699

Radius: 6.2

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.03 AU - 8.23 AU

Year: 13608 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,092,732 km

• M1: 77,193 km (0.097 R)
• M2: 352,752 km (0.082 R)
• M3: 742,305 km (0.075 R)
• M4: 1,117,346 km (0.104 R)
• M5: 1,335,011 km (0.096 R)
• M6: 1,891,964 km (0.054 R)
• M7: 2,465,373 km (0.116 R)
• M8: 3,428,185 km (0.054 R)
• M9: 6,104,790 km (0.117 R)
• M10: 6,379,900 km (0.101 R)
• M11: 6,663,239 km (0.106 R)
• M12: 7,654,025 km (0.103 R)
• M13: 9,816,612 km (0.07 R)
• M14: 12,988,985 km (0.096 R)
• M15: 14,595,516 km (0.108 R)
• M16: 15,088,142 km (0.094 R)
• M17: 15,446,579 km (0.029 R)
• M18: 15,958,054 km (0.078 R)
• M19: 21,438,871 km (0.103 R)
• M20: 21,801,047 km (0.095 R)
• M21: 24,549,011 km (0.098 R)
• M22: 25,045,077 km (0.119 R)
• M23: 25,649,004 km (0.101 R)
• M24: 28,487,923 km (0.071 R)
• M25: 28,706,186 km (0.065 R)
• M26: 29,035,600 km (0.105 R)
• M27: 32,948,183 km (0.093 R)
• M28: 37,589,756 km (0.1 R)
• M29: 45,712,921 km (0.108 R)
• M30: 47,069,923 km (0.113 R)
• M31: 49,233,706 km (0.035 R)
• M32: 56,464,669 km (0.057 R)
• M33: 56,809,193 km (0.084 R)
• M34: 57,502,430 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.2

Radius: 3.5

Gravity: 60.75 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.38 AU - 9.26 AU

Year: 15495 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,092,732 km

• M1: 43,533 km (0.104 R)
• M2: 689,796 km (0.108 R)
• M3: 899,233 km (0.086 R)
• M4: 1,189,153 km (0.102 R)
• M5: 2,968,770 km (0.042 R)
• M6: 3,356,527 km (0.049 R)
• M7: 3,924,999 km (0.116 R)
• M8: 4,928,801 km (0.085 R)
• M9: 6,889,580 km (0.07 R)
• M10: 8,089,804 km (0.101 R)
• M11: 8,236,560 km (0.115 R)
• M12: 8,586,319 km (0.118 R)
• M13: 10,659,147 km (0.114 R)
• M14: 12,063,273 km (0.077 R)
• M15: 13,042,690 km (0.082 R)
• M16: 13,448,849 km (0.064 R)
• M17: 13,586,179 km (0.106 R)
• M18: 20,053,894 km (0.053 R)
• M19: 25,275,757 km (0.058 R)
• M20: 25,484,895 km (0.109 R)
• M21: 27,639,852 km (0.101 R)
• M22: 28,084,906 km (0.081 R)
• M23: 29,680,517 km (0.11 R)
• M24: 36,667,186 km (0.058 R)
• M25: 37,610,849 km (0.1 R)
• M26: 39,406,024 km (0.094 R)
• M27: 40,681,795 km (0.045 R)
• M28: 42,131,398 km (0.095 R)
• M29: 44,217,989 km (0.047 R)
• M30: 45,440,652 km (0.094 R)
• M31: 51,055,808 km (0.096 R)
• M32: 53,942,599 km (0.096 R)
• M33: 61,915,567 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.5

Radius: 5.7

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.41 AU - 9.69 AU

Year: 19055 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,092,732 km

• M1: 71,358 km (0.111 R)
• M2: 278,701 km (0.083 R)
• M3: 620,233 km (0.087 R)
• M4: 1,041,052 km (0.065 R)
• M5: 1,836,314 km (0.11 R)
• M6: 2,228,111 km (0.094 R)
• M7: 2,433,359 km (0.102 R)
• M8: 3,305,814 km (0.082 R)
• M9: 5,534,074 km (0.115 R)
• M10: 6,147,575 km (0.111 R)
• M11: 8,163,855 km (0.096 R)
• M12: 8,704,352 km (0.107 R)
• M13: 9,856,256 km (0.061 R)
• M14: 12,205,241 km (0.112 R)
• M15: 17,011,522 km (0.108 R)
• M16: 18,137,096 km (0.12 R)
• M17: 18,801,909 km (0.104 R)
• M18: 21,257,558 km (0.116 R)
• M19: 22,466,907 km (0.114 R)
• M20: 31,764,565 km (0.086 R)
• M21: 32,365,499 km (0.077 R)
• M22: 33,466,390 km (0.096 R)
• M23: 35,228,204 km (0.075 R)
• M24: 36,131,775 km (0.06 R)
• M25: 36,655,069 km (0.102 R)
• M26: 40,600,713 km (0.086 R)
• M27: 41,451,027 km (0.103 R)
• M28: 42,894,347 km (0.086 R)
• M29: 43,628,424 km (0.057 R)
• M30: 44,221,729 km (0.081 R)
• M31: 44,670,223 km (0.111 R)
• M32: 47,894,955 km (0.086 R)
• M33: 49,483,535 km (0.06 R)
• M34: 49,805,469 km (0.111 R)
• M35: 52,933,561 km (0.108 R)
• M36: 54,460,058 km (0.115 R)
• M37: 55,147,759 km (0.111 R)
• M38: 58,314,447 km (0.067 R)
• M39: 61,229,062 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.3

Radius: 4.1

Gravity: 50.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.59 AU - 12.91 AU

Year: 22758 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,092,732 km

• M1: 51,013 km (0.112 R)
• M2: 201,060 km (0.117 R)
• M3: 395,537 km (0.082 R)
• M4: 633,248 km (0.094 R)
• M5: 887,415 km (0.087 R)
• M6: 3,967,635 km (0.116 R)
• M7: 4,709,042 km (0.085 R)
• M8: 5,414,545 km (0.043 R)
• M9: 5,922,281 km (0.041 R)
• M10: 6,278,024 km (0.108 R)
• M11: 6,742,675 km (0.076 R)
• M12: 14,071,924 km (0.115 R)
• M13: 15,940,850 km (0.043 R)
• M14: 21,789,678 km (0.055 R)
• M15: 22,849,878 km (0.041 R)
• M16: 36,869,143 km (0.11 R)
• M17: 42,468,592 km (0.091 R)
• M18: 42,631,803 km (0.087 R)
• M19: 45,983,094 km (0.096 R)
• M20: 48,075,969 km (0.045 R)
• M21: 48,787,456 km (0.086 R)
• M22: 49,145,743 km (0.049 R)
• M23: 51,148,110 km (0.108 R)
• M24: 53,015,092 km (0.086 R)
• M25: 58,685,300 km (0.115 R)
• M26: 64,530,687 km (0.071 R)
• M27: 76,634,501 km (0.115 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: 423 - 20,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit