🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.52 AU - 0.78 AU

Year: 338 Days

Day: 23.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.2

Radius: 9.8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.61 AU - 1.01 AU

Year: 471 Days

Day: 13.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,443,949 km

• M1: 121,922 km (0.107 R)
• M2: 438,322 km (0.089 R)
• M3: 891,304 km (0.104 R)
• M4: 1,235,379 km (0.091 R)
• M5: 1,810,134 km (0.097 R)
• M6: 2,593,728 km (0.106 R)
• M7: 2,986,721 km (0.108 R)
• M8: 3,324,663 km (0.085 R)
• M9: 3,650,786 km (0.051 R)
• M10: 4,256,059 km (0.108 R)
• M11: 4,612,252 km (0.06 R)
• M12: 5,433,843 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 13.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.92 AU - 2.32 AU

Year: 1993 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,443,949 km

• M1: 165,455 km (0.093 R)
• M2: 706,102 km (0.042 R)
• M3: 1,375,104 km (0.096 R)
• M4: 2,271,644 km (0.06 R)
• M5: 2,891,278 km (0.083 R)
• M6: 3,701,351 km (0.064 R)
• M7: 4,985,199 km (0.087 R)
• M8: 5,751,290 km (0.036 R)
• M9: 6,266,356 km (0.102 R)
• M10: 6,714,850 km (0.032 R)
• M11: 8,358,482 km (0.098 R)
• M12: 10,418,445 km (0.086 R)
• M13: 10,881,300 km (0.071 R)
• M14: 11,323,512 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 13.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.77 AU - 2.57 AU

Year: 2064 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,443,949 km

• M1: 170,990 km (0.117 R)
• M2: 943,514 km (0.08 R)
• M3: 1,409,661 km (0.082 R)
• M4: 1,856,061 km (0.112 R)
• M5: 2,611,380 km (0.097 R)
• M6: 3,154,720 km (0.077 R)
• M7: 3,826,863 km (0.112 R)
• M8: 5,034,866 km (0.049 R)
• M9: 5,668,712 km (0.103 R)
• M10: 6,153,559 km (0.104 R)
• M11: 7,403,299 km (0.046 R)
• M12: 8,285,777 km (0.112 R)
• M13: 9,073,560 km (0.095 R)
• M14: 9,773,528 km (0.083 R)
• M15: 12,450,283 km (0.112 R)
• M16: 13,741,163 km (0.097 R)
• M17: 14,845,793 km (0.1 R)
• M18: 15,536,487 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.9

Radius: 13

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.54 AU - 5.46 AU

Year: 6164 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,443,949 km

• M1: 161,715 km (0.079 R)
• M2: 589,416 km (0.07 R)
• M3: 1,117,047 km (0.064 R)
• M4: 1,567,935 km (0.076 R)
• M5: 2,115,613 km (0.117 R)
• M6: 2,789,551 km (0.099 R)
• M7: 3,249,415 km (0.073 R)
• M8: 4,592,206 km (0.097 R)
• M9: 6,564,355 km (0.047 R)
• M10: 7,673,922 km (0.061 R)
• M11: 9,085,527 km (0.045 R)
• M12: 11,755,101 km (0.099 R)
• M13: 13,292,968 km (0.112 R)
• M14: 14,556,621 km (0.077 R)
• M15: 15,529,605 km (0.086 R)
• M16: 16,112,439 km (0.12 R)
• M17: 17,776,565 km (0.119 R)
• M18: 21,836,652 km (0.117 R)
• M19: 22,367,425 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.8

Radius: 7.7

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.25 AU - 7.73 AU

Year: 11932 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,443,949 km

• M1: 95,892 km (0.097 R)
• M2: 344,673 km (0.119 R)
• M3: 940,971 km (0.112 R)
• M4: 1,677,441 km (0.111 R)
• M5: 2,522,370 km (0.077 R)
• M6: 2,794,039 km (0.119 R)
• M7: 3,347,552 km (0.092 R)
• M8: 4,139,672 km (0.1 R)
• M9: 5,248,342 km (0.09 R)
• M10: 5,871,567 km (0.1 R)
• M11: 8,584,075 km (0.094 R)
• M12: 10,263,910 km (0.112 R)
• M13: 10,689,067 km (0.111 R)
• M14: 11,292,694 km (0.074 R)
• M15: 11,631,384 km (0.081 R)
• M16: 12,152,134 km (0.114 R)
• M17: 12,993,024 km (0.068 R)
• M18: 14,656,702 km (0.033 R)
• M19: 15,059,868 km (0.086 R)
• M20: 15,818,180 km (0.063 R)
• M21: 17,113,847 km (0.045 R)
• M22: 18,634,659 km (0.092 R)
• M23: 19,267,607 km (0.076 R)
• M24: 19,751,556 km (0.088 R)
• M25: 22,559,658 km (0.071 R)
• M26: 27,915,262 km (0.081 R)
• M27: 31,883,944 km (0.073 R)
• M28: 41,986,737 km (0.1 R)
• M29: 51,212,288 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.3

Radius: 7.3

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.83 AU - 7.59 AU

Year: 12500 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,443,949 km

• M1: 91,404 km (0.101 R)
• M2: 360,381 km (0.11 R)
• M3: 631,453 km (0.114 R)
• M4: 1,051,972 km (0.077 R)
• M5: 1,467,705 km (0.087 R)
• M6: 2,489,309 km (0.118 R)
• M7: 2,853,430 km (0.075 R)
• M8: 4,677,925 km (0.082 R)
• M9: 5,595,110 km (0.114 R)
• M10: 6,403,686 km (0.099 R)
• M11: 7,490,365 km (0.037 R)
• M12: 7,991,817 km (0.099 R)
• M13: 8,740,405 km (0.033 R)
• M14: 9,108,416 km (0.119 R)
• M15: 11,757,645 km (0.095 R)
• M16: 13,378,089 km (0.117 R)
• M17: 14,241,717 km (0.117 R)
• M18: 16,423,752 km (0.091 R)
• M19: 19,510,853 km (0.109 R)
• M20: 19,981,339 km (0.071 R)
• M21: 21,108,409 km (0.04 R)
• M22: 21,604,326 km (0.037 R)
• M23: 24,200,597 km (0.096 R)
• M24: 24,652,532 km (0.113 R)
• M25: 25,110,302 km (0.073 R)
• M26: 26,136,992 km (0.093 R)
• M27: 26,997,778 km (0.085 R)
• M28: 30,003,349 km (0.118 R)
• M29: 31,586,693 km (0.057 R)
• M30: 33,783,238 km (0.065 R)
• M31: 35,264,407 km (0.107 R)
• M32: 37,146,198 km (0.082 R)
• M33: 41,623,214 km (0.056 R)
• M34: 41,882,018 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245

Radius: 7.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.01 AU - 10.97 AU

Year: 21937 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,443,949 km

• M1: 94,845 km (0.082 R)
• M2: 361,578 km (0.099 R)
• M3: 2,269,998 km (0.069 R)
• M4: 2,553,336 km (0.074 R)
• M5: 4,253,067 km (0.071 R)
• M6: 5,182,369 km (0.045 R)
• M7: 5,532,279 km (0.078 R)
• M8: 6,086,838 km (0.086 R)
• M9: 6,882,998 km (0.051 R)
• M10: 7,306,360 km (0.05 R)
• M11: 7,702,046 km (0.098 R)
• M12: 10,220,078 km (0.088 R)
• M13: 10,827,445 km (0.035 R)
• M14: 13,696,433 km (0.112 R)
• M15: 14,778,774 km (0.12 R)
• M16: 21,322,185 km (0.085 R)
• M17: 24,775,951 km (0.088 R)
• M18: 29,678,123 km (0.086 R)
• M19: 32,414,418 km (0.07 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit