🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 9.7

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.56 AU - 1.66 AU

Year: 1299 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,168,529 km

• M1: 123,418 km (0.102 R)
• M2: 433,535 km (0.09 R)
• M3: 784,042 km (0.034 R)
• M4: 1,126,023 km (0.104 R)
• M5: 1,587,084 km (0.086 R)
• M6: 2,092,575 km (0.109 R)
• M7: 3,078,575 km (0.067 R)
• M8: 3,489,819 km (0.094 R)
• M9: 4,041,835 km (0.096 R)
• M10: 4,729,088 km (0.097 R)
• M11: 5,131,955 km (0.089 R)
• M12: 5,915,100 km (0.069 R)
• M13: 6,335,470 km (0.113 R)
• M14: 6,700,937 km (0.119 R)
• M15: 8,863,973 km (0.111 R)
• M16: 9,259,959 km (0.084 R)
• M17: 9,763,505 km (0.11 R)
• M18: 11,172,717 km (0.112 R)
• M19: 11,743,582 km (0.106 R)
• M20: 12,712,677 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 15

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.66 AU - 1.84 AU

Year: 1472 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,168,529 km

• M1: 186,549 km (0.058 R)
• M2: 1,298,210 km (0.115 R)
• M3: 2,343,750 km (0.118 R)
• M4: 3,112,982 km (0.09 R)
• M5: 4,128,303 km (0.103 R)
• M6: 5,175,189 km (0.077 R)
• M7: 6,044,652 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 13.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.78 AU - 1.96 AU

Year: 1626 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,168,529 km

• M1: 164,109 km (0.03 R)
• M2: 668,852 km (0.093 R)
• M3: 1,104,631 km (0.054 R)
• M4: 1,671,607 km (0.094 R)
• M5: 2,113,220 km (0.112 R)
• M6: 2,820,967 km (0.107 R)
• M7: 3,315,089 km (0.113 R)
• M8: 4,094,195 km (0.113 R)
• M9: 4,890,654 km (0.12 R)
• M10: 5,499,218 km (0.11 R)
• M11: 5,924,824 km (0.101 R)
• M12: 6,617,312 km (0.118 R)
• M13: 7,178,155 km (0.106 R)
• M14: 10,138,547 km (0.096 R)
• M15: 10,990,058 km (0.037 R)
• M16: 12,797,200 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 14.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.16 AU - 2.34 AU

Year: 2146 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,168,529 km

• M1: 175,329 km (0.054 R)
• M2: 643,570 km (0.099 R)
• M3: 1,522,757 km (0.101 R)
• M4: 2,131,171 km (0.098 R)
• M5: 3,130,934 km (0.108 R)
• M6: 5,214,383 km (0.087 R)
• M7: 6,047,344 km (0.067 R)
• M8: 6,776,335 km (0.095 R)
• M9: 7,447,132 km (0.102 R)
• M10: 8,100,575 km (0.078 R)
• M11: 9,119,337 km (0.061 R)
• M12: 10,114,761 km (0.073 R)
• M13: 11,605,204 km (0.056 R)
• M14: 12,240,696 km (0.111 R)
• M15: 12,732,574 km (0.115 R)
• M16: 15,678,156 km (0.12 R)
• M17: 16,904,111 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 10.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.86 AU - 3.22 AU

Year: 3370 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,168,529 km

• M1: 130,599 km (0.107 R)
• M2: 470,635 km (0.096 R)
• M3: 978,819 km (0.109 R)
• M4: 1,342,342 km (0.088 R)
• M5: 1,737,579 km (0.108 R)
• M6: 2,305,303 km (0.073 R)
• M7: 2,754,546 km (0.095 R)
• M8: 3,481,292 km (0.038 R)
• M9: 4,257,107 km (0.083 R)
• M10: 5,060,746 km (0.101 R)
• M11: 5,869,921 km (0.083 R)
• M12: 6,513,192 km (0.076 R)
• M13: 6,941,940 km (0.111 R)
• M14: 7,389,536 km (0.068 R)
• M15: 7,800,332 km (0.101 R)
• M16: 8,284,281 km (0.101 R)
• M17: 8,879,232 km (0.047 R)
• M18: 9,281,052 km (0.032 R)
• M19: 9,759,765 km (0.109 R)
• M20: 10,121,194 km (0.103 R)
• M21: 11,081,911 km (0.068 R)
• M22: 12,946,948 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 11.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.48 AU - 3.92 AU

Year: 3640 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,168,529 km

• M1: 143,165 km (0.118 R)
• M2: 744,698 km (0.083 R)
• M3: 1,406,220 km (0.086 R)
• M4: 1,979,479 km (0.104 R)
• M5: 2,735,397 km (0.114 R)
• M6: 5,823,995 km (0.112 R)
• M7: 6,464,423 km (0.114 R)
• M8: 6,937,152 km (0.074 R)
• M9: 10,756,536 km (0.083 R)
• M10: 11,764,377 km (0.104 R)
• M11: 12,696,970 km (0.106 R)
• M12: 13,392,749 km (0.082 R)
• M13: 14,211,798 km (0.043 R)
• M14: 17,091,706 km (0.076 R)
• M15: 20,090,695 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.3

Radius: 3.5

Gravity: 55.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.7 AU - 8.36 AU

Year: 13138 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,168,529 km

• M1: 43,683 km (0.061 R)
• M2: 257,159 km (0.088 R)
• M3: 629,508 km (0.1 R)
• M4: 759,658 km (0.078 R)
• M5: 1,110,764 km (0.11 R)
• M6: 1,236,277 km (0.054 R)
• M7: 1,654,702 km (0.118 R)
• M8: 1,870,422 km (0.033 R)
• M9: 2,995,847 km (0.067 R)
• M10: 3,631,937 km (0.105 R)
• M11: 3,741,592 km (0.086 R)
• M12: 6,626,886 km (0.09 R)
• M13: 6,999,385 km (0.076 R)
• M14: 8,825,676 km (0.078 R)
• M15: 9,481,513 km (0.094 R)
• M16: 12,997,063 km (0.086 R)
• M17: 14,045,146 km (0.114 R)
• M18: 17,447,300 km (0.119 R)
• M19: 19,462,982 km (0.105 R)
• M20: 20,656,773 km (0.098 R)
• M21: 21,898,585 km (0.106 R)
• M22: 24,432,324 km (0.113 R)
• M23: 24,922,108 km (0.112 R)
• M24: 25,819,994 km (0.12 R)
• M25: 26,842,795 km (0.078 R)
• M26: 27,050,437 km (0.068 R)
• M27: 30,296,710 km (0.086 R)
• M28: 32,954,466 km (0.054 R)
• M29: 33,312,155 km (0.078 R)
• M30: 35,139,792 km (0.041 R)
• M31: 36,521,627 km (0.109 R)
• M32: 38,332,360 km (0.073 R)
• M33: 41,159,012 km (0.09 R)
• M34: 45,581,125 km (0.108 R)
• M35: 51,260,758 km (0.085 R)
• M36: 51,901,635 km (0.093 R)
• M37: 53,691,573 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.7

Radius: 4.5

Gravity: 31.79 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.69 AU - 8.61 AU

Year: 13453 Days

Day: 22.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,168,529 km

• M1: 57,595 km (0.039 R)
• M2: 362,326 km (0.08 R)
• M3: 1,037,611 km (0.099 R)
• M4: 1,421,329 km (0.108 R)
• M5: 1,894,059 km (0.109 R)
• M6: 2,166,626 km (0.094 R)
• M7: 3,659,613 km (0.074 R)
• M8: 4,568,869 km (0.095 R)
• M9: 5,092,910 km (0.08 R)
• M10: 5,877,551 km (0.108 R)
• M11: 6,739,683 km (0.079 R)
• M12: 7,727,777 km (0.053 R)
• M13: 8,186,145 km (0.085 R)
• M14: 17,479,464 km (0.086 R)
• M15: 21,390,700 km (0.077 R)
• M16: 22,844,792 km (0.097 R)
• M17: 24,851,647 km (0.112 R)
• M18: 28,993,713 km (0.075 R)
• M19: 31,803,161 km (0.102 R)
• M20: 34,177,279 km (0.083 R)
• M21: 35,407,572 km (0.106 R)
• M22: 39,408,417 km (0.117 R)
• M23: 40,487,766 km (0.094 R)
• M24: 45,295,094 km (0.116 R)
• M25: 46,479,161 km (0.085 R)
• M26: 46,778,357 km (0.094 R)
• M27: 57,215,650 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.2

Radius: 5.9

Gravity: 27.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.06 AU - 9.48 AU

Year: 13771 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,168,529 km

• M1: 76,445 km (0.112 R)
• M2: 319,541 km (0.113 R)
• M3: 541,245 km (0.11 R)
• M4: 767,587 km (0.033 R)
• M5: 1,303,446 km (0.072 R)
• M6: 1,493,436 km (0.076 R)
• M7: 2,158,996 km (0.092 R)
• M8: 3,182,844 km (0.08 R)
• M9: 4,115,886 km (0.075 R)
• M10: 4,662,068 km (0.066 R)
• M11: 5,513,878 km (0.094 R)
• M12: 5,897,746 km (0.076 R)
• M13: 7,897,122 km (0.114 R)
• M14: 8,384,961 km (0.051 R)
• M15: 8,996,666 km (0.058 R)
• M16: 9,313,365 km (0.046 R)
• M17: 11,372,580 km (0.091 R)
• M18: 11,680,751 km (0.102 R)
• M19: 12,313,700 km (0.096 R)
• M20: 14,709,809 km (0.077 R)
• M21: 16,209,827 km (0.062 R)
• M22: 19,075,524 km (0.066 R)
• M23: 21,410,746 km (0.108 R)
• M24: 21,691,990 km (0.065 R)
• M25: 22,166,066 km (0.109 R)
• M26: 23,332,032 km (0.111 R)
• M27: 27,845,848 km (0.085 R)
• M28: 28,405,793 km (0.084 R)
• M29: 29,202,252 km (0.111 R)
• M30: 29,896,686 km (0.093 R)
• M31: 36,649,683 km (0.096 R)
• M32: 45,577,534 km (0.101 R)
• M33: 46,825,630 km (0.088 R)
• M34: 60,024,201 km (0.074 R)
• M35: 63,431,143 km (0.111 R)
• M36: 64,790,239 km (0.062 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 12,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit