🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.45 AU - 0.65 AU

Year: 263 Days

Day: 45.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,014,421 km

• M1: 51,611 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.9

Radius: 8

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.95 AU - 1.07 AU

Year: 655 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,014,421 km

• M1: 99,483 km (0.108 R)
• M2: 377,735 km (0.118 R)
• M3: 685,906 km (0.057 R)
• M4: 943,813 km (0.052 R)
• M5: 1,301,651 km (0.093 R)
• M6: 1,586,485 km (0.065 R)
• M7: 1,868,777 km (0.115 R)
• M8: 2,224,221 km (0.106 R)
• M9: 2,613,176 km (0.09 R)
• M10: 3,034,593 km (0.106 R)
• M11: 3,379,715 km (0.088 R)
• M12: 4,257,107 km (0.048 R)
• M13: 6,579,015 km (0.112 R)
• M14: 7,027,510 km (0.098 R)
• M15: 7,473,311 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 8.6

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.97 AU - 1.57 AU

Year: 924 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,014,421 km

• M1: 107,411 km (0.097 R)
• M2: 622,926 km (0.077 R)
• M3: 985,850 km (0.116 R)
• M4: 1,710,502 km (0.115 R)
• M5: 2,266,557 km (0.098 R)
• M6: 3,307,160 km (0.111 R)
• M7: 3,903,008 km (0.11 R)
• M8: 4,218,660 km (0.031 R)
• M9: 5,083,635 km (0.109 R)
• M10: 5,422,324 km (0.034 R)
• M11: 5,877,252 km (0.106 R)
• M12: 6,639,901 km (0.079 R)
• M13: 7,045,312 km (0.107 R)
• M14: 7,419,456 km (0.098 R)
• M15: 7,955,465 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 14.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.23 AU - 1.59 AU

Year: 1081 Days

Day: 11.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,014,421 km

• M1: 185,651 km (0.105 R)
• M2: 707,598 km (0.119 R)
• M3: 1,183,170 km (0.113 R)
• M4: 2,162,736 km (0.118 R)
• M5: 2,775,788 km (0.086 R)
• M6: 3,326,159 km (0.085 R)
• M7: 4,525,036 km (0.073 R)
• M8: 5,089,170 km (0.106 R)
• M9: 6,128,127 km (0.067 R)
• M10: 6,944,782 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 14.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.53 AU - 2.43 AU

Year: 1799 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,014,421 km

• M1: 180,565 km (0.109 R)
• M2: 790,176 km (0.103 R)
• M3: 1,275,471 km (0.076 R)
• M4: 1,903,633 km (0.089 R)
• M5: 2,627,387 km (0.093 R)
• M6: 3,798,589 km (0.113 R)
• M7: 4,284,034 km (0.113 R)
• M8: 5,626,376 km (0.114 R)
• M9: 6,407,875 km (0.105 R)
• M10: 7,073,586 km (0.077 R)
• M11: 8,726,343 km (0.069 R)
• M12: 9,192,939 km (0.026 R)
• M13: 12,084,366 km (0.066 R)
• M14: 13,183,761 km (0.119 R)
• M15: 13,757,918 km (0.09 R)
• M16: 14,263,409 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 11.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.36 AU - 3 AU

Year: 2833 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,014,421 km

• M1: 144,362 km (0.075 R)
• M2: 507,735 km (0.109 R)
• M3: 1,066,483 km (0.097 R)
• M4: 1,491,790 km (0.104 R)
• M5: 2,204,474 km (0.099 R)
• M6: 2,727,618 km (0.109 R)
• M7: 3,198,253 km (0.082 R)
• M8: 3,929,038 km (0.102 R)
• M9: 5,058,054 km (0.107 R)
• M10: 5,431,001 km (0.103 R)
• M11: 6,232,846 km (0.104 R)
• M12: 6,607,738 km (0.088 R)
• M13: 9,494,678 km (0.069 R)
• M14: 10,695,500 km (0.113 R)
• M15: 11,471,015 km (0.115 R)
• M16: 12,367,106 km (0.078 R)
• M17: 14,716,840 km (0.079 R)
• M18: 15,972,116 km (0.115 R)
• M19: 17,560,546 km (0.099 R)
• M20: 17,987,199 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.4

Radius: 7.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.09 AU - 7.51 AU

Year: 11449 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,014,421 km

• M1: 90,806 km (0.077 R)
• M2: 327,470 km (0.037 R)
• M3: 1,013,077 km (0.109 R)
• M4: 1,264,252 km (0.089 R)
• M5: 1,866,832 km (0.086 R)
• M6: 2,169,020 km (0.115 R)
• M7: 3,151,578 km (0.1 R)
• M8: 4,224,793 km (0.119 R)
• M9: 5,026,339 km (0.047 R)
• M10: 6,149,669 km (0.083 R)
• M11: 6,480,131 km (0.119 R)
• M12: 8,966,448 km (0.117 R)
• M13: 10,607,387 km (0.115 R)
• M14: 11,083,108 km (0.118 R)
• M15: 11,672,823 km (0.095 R)
• M16: 12,128,498 km (0.069 R)
• M17: 13,457,076 km (0.073 R)
• M18: 13,958,229 km (0.056 R)
• M19: 15,116,566 km (0.082 R)
• M20: 17,821,445 km (0.083 R)
• M21: 19,393,120 km (0.074 R)
• M22: 20,539,488 km (0.119 R)
• M23: 22,575,366 km (0.101 R)
• M24: 26,520,411 km (0.049 R)
• M25: 27,308,044 km (0.094 R)
• M26: 28,473,112 km (0.081 R)
• M27: 28,746,577 km (0.045 R)
• M28: 29,951,887 km (0.083 R)
• M29: 30,614,755 km (0.108 R)

Asteroid Belt

Center: 8.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.5

Radius: 6.6

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.82 AU - 10.94 AU

Year: 20052 Days

Day: 21.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,014,421 km

• M1: 82,877 km (0.032 R)
• M2: 290,818 km (0.061 R)
• M3: 653,443 km (0.113 R)
• M4: 860,487 km (0.099 R)
• M5: 1,207,105 km (0.104 R)
• M6: 1,643,781 km (0.05 R)
• M7: 2,510,701 km (0.092 R)
• M8: 3,173,868 km (0.054 R)
• M9: 3,650,786 km (0.113 R)
• M10: 4,031,812 km (0.117 R)
• M11: 5,267,939 km (0.096 R)
• M12: 6,309,589 km (0.084 R)
• M13: 6,580,212 km (0.112 R)
• M14: 6,818,372 km (0.051 R)
• M15: 12,334,644 km (0.08 R)
• M16: 12,758,454 km (0.101 R)
• M17: 17,775,069 km (0.088 R)
• M18: 22,862,444 km (0.089 R)
• M19: 26,278,960 km (0.071 R)
• M20: 27,694,755 km (0.078 R)
• M21: 29,481,402 km (0.115 R)
• M22: 31,343,447 km (0.038 R)
• M23: 32,018,881 km (0.092 R)
• M24: 35,421,185 km (0.097 R)
• M25: 35,664,282 km (0.088 R)
• M26: 39,970,307 km (0.085 R)
• M27: 40,366,143 km (0.073 R)
• M28: 41,975,517 km (0.117 R)
• M29: 43,487,951 km (0.084 R)
• M30: 48,841,610 km (0.101 R)
• M31: 51,442,220 km (0.07 R)
• M32: 53,014,493 km (0.106 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: 519 - 16,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit