🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.44 AU - 1.64 AU

Year: 669 Days

Day: 15.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.25 AU - 2.61 AU

Year: 1325 Days

Day: 35.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578

Radius: 14

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.29 AU - 7.65 AU

Year: 6438 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,043,788 km

• M1: 174,431 km (0.108 R)
• M2: 764,595 km (0.079 R)
• M3: 1,327,382 km (0.099 R)
• M4: 1,862,045 km (0.075 R)
• M5: 2,663,141 km (0.087 R)
• M6: 3,276,493 km (0.105 R)
• M7: 4,054,401 km (0.096 R)
• M8: 5,523,303 km (0.119 R)
• M9: 7,322,517 km (0.118 R)
• M10: 7,762,334 km (0.109 R)
• M11: 9,147,162 km (0.092 R)
• M12: 11,162,694 km (0.111 R)
• M13: 13,297,156 km (0.114 R)
• M14: 15,038,625 km (0.104 R)
• M15: 16,425,697 km (0.09 R)
• M16: 18,227,453 km (0.104 R)
• M17: 19,314,431 km (0.075 R)
• M18: 20,300,581 km (0.033 R)
• M19: 21,468,491 km (0.072 R)
• M20: 22,450,003 km (0.092 R)
• M21: 25,324,376 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 14

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.91 AU - 9.41 AU

Year: 7417 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,043,788 km

• M1: 175,628 km (0.091 R)
• M2: 653,443 km (0.116 R)
• M3: 3,098,322 km (0.092 R)
• M4: 3,862,767 km (0.11 R)
• M5: 5,527,791 km (0.055 R)
• M6: 6,360,153 km (0.091 R)
• M7: 11,091,336 km (0.112 R)
• M8: 12,646,555 km (0.109 R)
• M9: 13,598,297 km (0.067 R)
• M10: 14,495,136 km (0.057 R)
• M11: 15,167,130 km (0.077 R)
• M12: 17,655,092 km (0.082 R)
• M13: 18,183,621 km (0.108 R)
• M14: 19,087,940 km (0.119 R)
• M15: 20,404,252 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 11.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.89 AU - 11.93 AU

Year: 10914 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,043,788 km

• M1: 142,716 km (0.11 R)
• M2: 524,191 km (0.103 R)
• M3: 955,930 km (0.101 R)
• M4: 1,556,117 km (0.067 R)
• M5: 2,764,120 km (0.077 R)
• M6: 3,147,240 km (0.07 R)
• M7: 3,514,652 km (0.102 R)
• M8: 5,017,961 km (0.09 R)
• M9: 7,116,670 km (0.099 R)
• M10: 10,054,174 km (0.084 R)
• M11: 12,653,586 km (0.084 R)
• M12: 13,022,794 km (0.12 R)
• M13: 13,526,340 km (0.116 R)
• M14: 14,978,337 km (0.116 R)
• M15: 16,825,422 km (0.076 R)
• M16: 18,345,935 km (0.083 R)
• M17: 21,922,371 km (0.084 R)
• M18: 24,868,103 km (0.107 R)
• M19: 31,871,677 km (0.119 R)
• M20: 33,602,225 km (0.066 R)
• M21: 38,909,209 km (0.058 R)
• M22: 42,926,062 km (0.109 R)
• M23: 45,034,494 km (0.05 R)
• M24: 46,623,972 km (0.103 R)
• M25: 49,305,214 km (0.058 R)
• M26: 51,930,208 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.2

Radius: 13.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.89 AU - 12.53 AU

Year: 11413 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 149.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,043,788 km

• M1: 343,926 km (0.089 R)
• M2: 1,478,326 km (0.061 R)
• M3: 3,339,473 km (0.053 R)
• M4: 3,835,540 km (0.027 R)
• M5: 4,545,830 km (0.058 R)
• M6: 6,801,617 km (0.086 R)
• M7: 7,764,279 km (0.083 R)
• M8: 9,126,667 km (0.067 R)
• M9: 11,832,593 km (0.106 R)
• M10: 12,937,373 km (0.118 R)
• M11: 13,929,656 km (0.065 R)
• M12: 16,264,131 km (0.098 R)
• M13: 17,005,837 km (0.099 R)
• M14: 17,489,487 km (0.07 R)
• M15: 20,743,091 km (0.105 R)
• M16: 21,615,696 km (0.082 R)
• M17: 22,761,466 km (0.08 R)
• M18: 25,085,020 km (0.075 R)
• M19: 26,258,316 km (0.047 R)
• M20: 29,007,476 km (0.074 R)
• M21: 30,300,002 km (0.109 R)
• M22: 33,753,319 km (0.082 R)
• M23: 36,997,648 km (0.083 R)
• M24: 38,636,044 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 10.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.47 AU - 11.33 AU

Year: 11733 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,043,788 km

• M1: 134,788 km (0.111 R)
• M2: 514,168 km (0.12 R)
• M3: 1,305,391 km (0.035 R)
• M4: 1,643,781 km (0.094 R)
• M5: 2,466,121 km (0.094 R)
• M6: 3,057,481 km (0.062 R)
• M7: 3,470,371 km (0.064 R)
• M8: 4,214,621 km (0.056 R)
• M9: 4,727,891 km (0.116 R)
• M10: 6,019,070 km (0.079 R)
• M11: 7,820,528 km (0.109 R)
• M12: 8,686,849 km (0.103 R)
• M13: 9,050,821 km (0.109 R)
• M14: 9,472,537 km (0.079 R)
• M15: 9,907,269 km (0.1 R)
• M16: 10,661,541 km (0.064 R)
• M17: 11,781,132 km (0.068 R)
• M18: 14,760,373 km (0.066 R)
• M19: 17,987,947 km (0.066 R)
• M20: 18,881,794 km (0.032 R)
• M21: 26,269,536 km (0.071 R)
• M22: 26,936,443 km (0.061 R)
• M23: 32,794,097 km (0.045 R)
• M24: 34,465,853 km (0.107 R)
• M25: 35,380,345 km (0.12 R)
• M26: 39,946,521 km (0.093 R)
• M27: 40,701,691 km (0.116 R)
• M28: 41,082,866 km (0.025 R)
• M29: 43,024,348 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 3.9

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 12.48 AU - 20.8 AU

Year: 23747 Days

Day: 23.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,043,788 km

• M1: 48,470 km (0.089 R)
• M2: 307,872 km (0.074 R)
• M3: 521,947 km (0.098 R)
• M4: 1,145,471 km (0.081 R)
• M5: 1,317,060 km (0.12 R)
• M6: 1,505,553 km (0.077 R)
• M7: 3,893,883 km (0.101 R)
• M8: 5,000,309 km (0.086 R)
• M9: 5,832,073 km (0.098 R)
• M10: 6,878,809 km (0.109 R)
• M11: 7,007,164 km (0.079 R)
• M12: 7,950,678 km (0.059 R)
• M13: 8,379,874 km (0.07 R)
• M14: 8,624,916 km (0.098 R)
• M15: 12,072,997 km (0.029 R)
• M16: 12,575,646 km (0.106 R)
• M17: 15,300,122 km (0.097 R)
• M18: 19,653,570 km (0.089 R)
• M19: 22,157,240 km (0.038 R)
• M20: 27,570,588 km (0.051 R)
• M21: 27,786,458 km (0.043 R)
• M22: 28,550,903 km (0.108 R)
• M23: 32,704,638 km (0.097 R)
• M24: 39,525,553 km (0.099 R)
• M25: 40,075,774 km (0.059 R)
• M26: 41,191,475 km (0.097 R)
• M27: 48,010,893 km (0.107 R)
• M28: 50,066,219 km (0.116 R)
• M29: 53,676,614 km (0.103 R)
• M30: 55,031,372 km (0.111 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 15,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit