🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 9

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.73 AU - 0.81 AU

Year: 451 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,759,494 km

• M1: 112,498 km (0.111 R)
• M2: 488,138 km (0.103 R)
• M3: 814,411 km (0.112 R)
• M4: 1,169,556 km (0.064 R)
• M5: 1,642,585 km (0.117 R)
• M6: 2,112,771 km (0.114 R)
• M7: 2,438,445 km (0.093 R)
• M8: 3,572,098 km (0.066 R)
• M9: 3,886,852 km (0.114 R)
• M10: 4,557,350 km (0.067 R)
• M11: 5,471,692 km (0.07 R)
• M12: 5,820,105 km (0.104 R)
• M13: 6,183,179 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 12.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.07 AU - 1.75 AU

Year: 1116 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,759,494 km

• M1: 156,779 km (0.107 R)
• M2: 708,944 km (0.117 R)
• M3: 1,698,534 km (0.103 R)
• M4: 2,687,675 km (0.075 R)
• M5: 3,597,380 km (0.082 R)
• M6: 4,387,406 km (0.031 R)
• M7: 4,998,514 km (0.107 R)
• M8: 6,098,208 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 11.7

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.36 AU - 2.92 AU

Year: 2860 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,759,494 km

• M1: 145,559 km (0.051 R)
• M2: 586,723 km (0.087 R)
• M3: 1,656,946 km (0.073 R)
• M4: 2,165,429 km (0.111 R)
• M5: 2,712,359 km (0.083 R)
• M6: 4,085,368 km (0.106 R)
• M7: 4,687,649 km (0.065 R)
• M8: 6,705,575 km (0.082 R)
• M9: 7,132,677 km (0.1 R)
• M10: 7,873,785 km (0.07 R)
• M11: 8,880,578 km (0.109 R)
• M12: 11,318,724 km (0.089 R)
• M13: 13,538,308 km (0.031 R)
• M14: 14,674,504 km (0.079 R)
• M15: 16,304,822 km (0.104 R)
• M16: 16,689,138 km (0.09 R)
• M17: 17,362,030 km (0.096 R)
• M18: 18,111,365 km (0.099 R)
• M19: 20,552,503 km (0.06 R)
• M20: 22,386,873 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 11.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.7 AU - 2.9 AU

Year: 3124 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,759,494 km

• M1: 145,559 km (0.079 R)
• M2: 558,598 km (0.07 R)
• M3: 953,986 km (0.041 R)
• M4: 1,363,435 km (0.095 R)
• M5: 2,305,453 km (0.115 R)
• M6: 3,047,907 km (0.091 R)
• M7: 3,467,379 km (0.101 R)
• M8: 4,188,591 km (0.105 R)
• M9: 4,920,723 km (0.12 R)
• M10: 7,463,587 km (0.12 R)
• M11: 8,824,928 km (0.09 R)
• M12: 9,786,094 km (0.119 R)
• M13: 10,203,622 km (0.11 R)
• M14: 11,111,980 km (0.1 R)
• M15: 12,033,952 km (0.045 R)
• M16: 13,511,530 km (0.102 R)
• M17: 14,651,615 km (0.118 R)
• M18: 15,949,975 km (0.107 R)

Asteroid Belt

Center: 3.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444

Radius: 13.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.95 AU - 3.71 AU

Year: 4052 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,759,494 km

• M1: 164,258 km (0.115 R)
• M2: 593,455 km (0.045 R)
• M3: 1,173,147 km (0.06 R)
• M4: 1,640,191 km (0.092 R)
• M5: 2,246,661 km (0.117 R)
• M6: 2,833,683 km (0.076 R)
• M7: 3,353,386 km (0.079 R)
• M8: 4,019,396 km (0.116 R)
• M9: 5,108,767 km (0.109 R)
• M10: 5,829,979 km (0.041 R)
• M11: 6,243,766 km (0.069 R)
• M12: 8,201,554 km (0.051 R)
• M13: 12,238,003 km (0.069 R)
• M14: 13,012,322 km (0.106 R)
• M15: 14,608,531 km (0.061 R)
• M16: 18,479,825 km (0.059 R)
• M17: 19,868,093 km (0.056 R)
• M18: 20,556,094 km (0.12 R)
• M19: 21,002,045 km (0.102 R)
• M20: 21,781,899 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.8

Radius: 8.8

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.61 AU - 3.73 AU

Year: 4688 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,759,494 km

• M1: 110,403 km (0.084 R)
• M2: 752,028 km (0.087 R)
• M3: 1,203,664 km (0.099 R)
• M4: 1,632,711 km (0.106 R)
• M5: 2,483,025 km (0.078 R)
• M6: 2,873,925 km (0.098 R)
• M7: 3,558,933 km (0.043 R)
• M8: 4,104,966 km (0.107 R)
• M9: 5,000,309 km (0.109 R)
• M10: 7,709,825 km (0.104 R)
• M11: 9,313,963 km (0.117 R)
• M12: 9,736,877 km (0.095 R)
• M13: 14,697,692 km (0.108 R)
• M14: 16,280,287 km (0.076 R)
• M15: 17,396,587 km (0.114 R)
• M16: 17,779,707 km (0.119 R)
• M17: 19,369,184 km (0.058 R)
• M18: 19,780,878 km (0.115 R)
• M19: 22,525,400 km (0.082 R)
• M20: 28,403,400 km (0.035 R)
• M21: 30,018,159 km (0.064 R)
• M22: 30,662,328 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 13.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.51 AU - 4.53 AU

Year: 5375 Days

Day: 8.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,759,494 km

• M1: 172,935 km (0.077 R)
• M2: 674,088 km (0.043 R)
• M3: 1,153,998 km (0.111 R)
• M4: 1,716,336 km (0.096 R)
• M5: 2,286,753 km (0.091 R)
• M6: 3,331,096 km (0.074 R)
• M7: 3,928,440 km (0.104 R)
• M8: 4,521,596 km (0.113 R)
• M9: 7,587,604 km (0.058 R)
• M10: 8,666,653 km (0.113 R)
• M11: 10,899,850 km (0.04 R)
• M12: 11,407,586 km (0.115 R)
• M13: 13,336,800 km (0.088 R)
• M14: 15,360,111 km (0.091 R)
• M15: 17,393,146 km (0.113 R)
• M16: 21,697,226 km (0.099 R)
• M17: 22,354,559 km (0.095 R)
• M18: 23,327,544 km (0.103 R)
• M19: 24,328,653 km (0.066 R)
• M20: 25,277,851 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.8

Radius: 7.2

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.02 AU - 9.44 AU

Year: 15745 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,759,494 km

• M1: 90,058 km (0.109 R)
• M2: 316,549 km (0.071 R)
• M3: 585,975 km (0.079 R)
• M4: 1,107,323 km (0.031 R)
• M5: 2,964,731 km (0.113 R)
• M6: 3,190,923 km (0.111 R)
• M7: 3,538,289 km (0.067 R)
• M8: 4,835,452 km (0.089 R)
• M9: 5,666,917 km (0.09 R)
• M10: 7,021,675 km (0.11 R)
• M11: 8,529,323 km (0.094 R)
• M12: 8,834,353 km (0.113 R)
• M13: 9,466,254 km (0.053 R)
• M14: 14,471,799 km (0.114 R)
• M15: 15,953,416 km (0.115 R)
• M16: 17,533,469 km (0.045 R)
• M17: 18,445,567 km (0.093 R)
• M18: 20,635,530 km (0.103 R)
• M19: 21,001,447 km (0.111 R)
• M20: 22,220,221 km (0.087 R)
• M21: 23,485,370 km (0.104 R)
• M22: 25,004,087 km (0.066 R)
• M23: 33,338,484 km (0.12 R)
• M24: 33,589,808 km (0.111 R)
• M25: 34,479,168 km (0.103 R)
• M26: 37,511,816 km (0.11 R)
• M27: 37,783,635 km (0.057 R)
• M28: 38,331,163 km (0.049 R)
• M29: 41,004,926 km (0.029 R)
• M30: 44,556,529 km (0.118 R)
• M31: 45,014,448 km (0.114 R)
• M32: 47,351,167 km (0.069 R)
• M33: 49,603,812 km (0.113 R)
• M34: 55,194,583 km (0.114 R)
• M35: 58,232,168 km (0.106 R)
• M36: 63,861,237 km (0.079 R)
• M37: 65,224,971 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.1

Radius: 3.7

Gravity: 60.85 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.02 AU - 8.8 AU

Year: 16264 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,759,494 km

• M1: 47,123 km (0.119 R)
• M2: 177,573 km (0.074 R)
• M3: 399,576 km (0.086 R)
• M4: 1,700,329 km (0.118 R)
• M5: 3,156,515 km (0.109 R)
• M6: 3,290,555 km (0.063 R)
• M7: 4,404,012 km (0.078 R)
• M8: 4,605,670 km (0.057 R)
• M9: 11,367,493 km (0.119 R)
• M10: 11,556,136 km (0.115 R)
• M11: 12,867,960 km (0.109 R)
• M12: 16,980,705 km (0.117 R)
• M13: 17,476,322 km (0.065 R)
• M14: 17,981,514 km (0.042 R)
• M15: 18,409,813 km (0.105 R)
• M16: 20,375,828 km (0.107 R)
• M17: 20,747,729 km (0.08 R)
• M18: 23,887,339 km (0.084 R)
• M19: 26,220,318 km (0.041 R)
• M20: 28,238,692 km (0.038 R)
• M21: 29,997,814 km (0.102 R)
• M22: 35,710,957 km (0.064 R)
• M23: 37,626,108 km (0.097 R)
• M24: 38,185,604 km (0.07 R)
• M25: 43,319,803 km (0.041 R)
• M26: 49,227,723 km (0.113 R)
• M27: 50,065,022 km (0.115 R)
• M28: 50,741,803 km (0.078 R)
• M29: 52,634,066 km (0.117 R)
• M30: 54,039,388 km (0.1 R)
• M31: 58,032,904 km (0.039 R)
• M32: 63,000,600 km (0.08 R)
• M33: 65,789,404 km (0.107 R)
• M34: 68,037,411 km (0.081 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: 422 - 14,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit