🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 8.5

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.91 AU - 1.03 AU

Year: 648 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,586,964 km

• M1: 105,766 km (0.032 R)
• M2: 373,546 km (0.103 R)
• M3: 786,586 km (0.068 R)
• M4: 1,283,699 km (0.103 R)
• M5: 1,895,854 km (0.112 R)
• M6: 2,511,299 km (0.104 R)
• M7: 3,175,963 km (0.045 R)
• M8: 3,481,142 km (0.082 R)
• M9: 6,591,881 km (0.079 R)
• M10: 6,870,731 km (0.074 R)
• M11: 7,135,220 km (0.111 R)
• M12: 7,452,218 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 8.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.4 AU - 1.66 AU

Year: 1284 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,586,964 km

• M1: 108,159 km (0.081 R)
• M2: 721,511 km (0.096 R)
• M3: 1,036,863 km (0.11 R)
• M4: 1,582,895 km (0.06 R)
• M5: 2,915,064 km (0.105 R)
• M6: 3,956,864 km (0.086 R)
• M7: 4,359,432 km (0.112 R)
• M8: 4,944,509 km (0.104 R)
• M9: 6,311,833 km (0.102 R)
• M10: 7,083,010 km (0.103 R)
• M11: 7,843,566 km (0.091 R)
• M12: 8,133,337 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 12.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.22 AU - 3.82 AU

Year: 4479 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,586,964 km

• M1: 152,590 km (0.053 R)
• M2: 559,646 km (0.109 R)
• M3: 1,169,407 km (0.089 R)
• M4: 1,556,416 km (0.039 R)
• M5: 2,618,412 km (0.092 R)
• M6: 3,052,844 km (0.107 R)
• M7: 3,637,921 km (0.062 R)
• M8: 4,068,763 km (0.109 R)
• M9: 5,940,382 km (0.099 R)
• M10: 6,448,267 km (0.059 R)
• M11: 7,247,718 km (0.103 R)
• M12: 7,758,445 km (0.091 R)
• M13: 8,814,307 km (0.069 R)
• M14: 9,199,820 km (0.103 R)
• M15: 9,799,259 km (0.098 R)
• M16: 13,599,494 km (0.12 R)
• M17: 16,310,656 km (0.107 R)
• M18: 17,610,661 km (0.081 R)
• M19: 18,100,146 km (0.075 R)
• M20: 20,888,351 km (0.033 R)
• M21: 21,575,753 km (0.105 R)
• M22: 22,136,446 km (0.094 R)
• M23: 23,507,061 km (0.061 R)
• M24: 24,175,764 km (0.09 R)
• M25: 24,628,597 km (0.097 R)
• M26: 26,021,054 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.3

Radius: 12.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.58 AU - 4.18 AU

Year: 5184 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 104.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,586,964 km

• M1: 157,975 km (0.062 R)
• M2: 576,999 km (0.081 R)
• M3: 1,200,074 km (0.096 R)
• M4: 1,689,409 km (0.079 R)
• M5: 2,546,305 km (0.119 R)
• M6: 4,020,892 km (0.066 R)
• M7: 5,272,577 km (0.107 R)
• M8: 6,673,860 km (0.108 R)
• M9: 7,913,428 km (0.087 R)
• M10: 8,607,113 km (0.092 R)
• M11: 9,026,885 km (0.027 R)
• M12: 9,662,078 km (0.039 R)
• M13: 10,757,732 km (0.073 R)
• M14: 11,563,616 km (0.097 R)
• M15: 12,122,813 km (0.087 R)
• M16: 12,946,050 km (0.074 R)
• M17: 13,346,224 km (0.099 R)
• M18: 14,223,915 km (0.099 R)
• M19: 15,472,459 km (0.049 R)
• M20: 15,923,347 km (0.113 R)
• M21: 17,815,610 km (0.114 R)
• M22: 19,007,756 km (0.092 R)
• M23: 19,853,582 km (0.099 R)
• M24: 22,470,348 km (0.072 R)
• M25: 23,712,310 km (0.11 R)
• M26: 26,412,850 km (0.091 R)
• M27: 26,895,603 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 12.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.82 AU - 4.64 AU

Year: 5901 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,586,964 km

• M1: 151,991 km (0.102 R)
• M2: 533,316 km (0.11 R)
• M3: 1,091,915 km (0.114 R)
• M4: 1,490,444 km (0.039 R)
• M5: 2,752,900 km (0.106 R)
• M6: 4,945,556 km (0.043 R)
• M7: 6,036,872 km (0.11 R)
• M8: 6,672,663 km (0.062 R)
• M9: 8,930,843 km (0.092 R)
• M10: 9,420,776 km (0.058 R)
• M11: 10,907,031 km (0.103 R)
• M12: 13,211,586 km (0.078 R)
• M13: 14,065,341 km (0.106 R)
• M14: 14,561,558 km (0.105 R)
• M15: 15,706,280 km (0.101 R)
• M16: 16,786,826 km (0.059 R)
• M17: 20,890,295 km (0.072 R)
• M18: 22,719,129 km (0.041 R)
• M19: 23,249,903 km (0.092 R)
• M20: 25,212,926 km (0.111 R)
• M21: 26,609,572 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 14.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.59 AU - 5.81 AU

Year: 8043 Days

Day: 14.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,586,964 km

• M1: 183,257 km (0.11 R)
• M2: 1,108,221 km (0.066 R)
• M3: 1,633,010 km (0.065 R)
• M4: 2,436,800 km (0.08 R)
• M5: 2,903,545 km (0.103 R)
• M6: 3,598,577 km (0.091 R)
• M7: 4,280,893 km (0.118 R)
• M8: 5,212,588 km (0.092 R)
• M9: 6,307,046 km (0.095 R)
• M10: 6,792,342 km (0.114 R)
• M11: 7,802,127 km (0.12 R)
• M12: 8,750,877 km (0.078 R)
• M13: 9,690,501 km (0.03 R)
• M14: 11,722,788 km (0.08 R)
• M15: 13,019,203 km (0.12 R)
• M16: 16,494,362 km (0.081 R)
• M17: 17,546,035 km (0.063 R)
• M18: 20,475,760 km (0.088 R)
• M19: 21,184,704 km (0.084 R)
• M20: 21,909,805 km (0.091 R)
• M21: 23,486,567 km (0.118 R)
• M22: 28,758,395 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.1

Radius: 7.1

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.84 AU - 11.5 AU

Year: 23639 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,586,964 km

• M1: 88,263 km (0.051 R)
• M2: 465,249 km (0.061 R)
• M3: 1,093,860 km (0.097 R)
• M4: 3,526,171 km (0.111 R)
• M5: 5,369,367 km (0.119 R)
• M6: 6,953,010 km (0.113 R)
• M7: 9,101,834 km (0.088 R)
• M8: 12,261,939 km (0.077 R)
• M9: 20,251,961 km (0.097 R)
• M10: 25,977,820 km (0.057 R)
• M11: 26,432,149 km (0.085 R)
• M12: 30,634,951 km (0.119 R)
• M13: 36,240,832 km (0.082 R)
• M14: 36,950,674 km (0.081 R)
• M15: 45,216,854 km (0.117 R)
• M16: 46,204,948 km (0.06 R)
• M17: 49,951,627 km (0.112 R)
• M18: 57,273,545 km (0.069 R)
• M19: 62,195,016 km (0.056 R)
• M20: 64,654,405 km (0.107 R)
• M21: 66,752,814 km (0.112 R)
• M22: 68,463,914 km (0.032 R)
• M23: 75,601,079 km (0.103 R)
• M24: 77,929,121 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 11,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit