🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.5 AU - 0.62 AU

Year: 275 Days

Day: 39.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 12.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.07 AU - 1.75 AU

Year: 1098 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,228,610 km

• M1: 159,471 km (0.09 R)
• M2: 621,130 km (0.062 R)
• M3: 1,158,785 km (0.1 R)
• M4: 2,201,183 km (0.05 R)
• M5: 2,676,456 km (0.118 R)
• M6: 3,126,595 km (0.111 R)
• M7: 3,554,894 km (0.045 R)
• M8: 5,230,989 km (0.05 R)
• M9: 5,919,887 km (0.103 R)
• M10: 6,690,615 km (0.082 R)
• M11: 7,100,513 km (0.087 R)
• M12: 8,328,263 km (0.118 R)
• M13: 8,803,386 km (0.107 R)
• M14: 9,521,605 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 10.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.67 AU - 1.87 AU

Year: 1545 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 98.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,228,610 km

• M1: 133,890 km (0.111 R)
• M2: 507,885 km (0.062 R)
• M3: 1,272,479 km (0.092 R)
• M4: 4,183,205 km (0.06 R)
• M5: 4,922,219 km (0.109 R)
• M6: 6,598,164 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 9.3

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.97 AU - 3.09 AU

Year: 2640 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,228,610 km

• M1: 115,639 km (0.089 R)
• M2: 466,745 km (0.112 R)
• M3: 821,741 km (0.096 R)
• M4: 1,193,193 km (0.1 R)
• M5: 1,853,368 km (0.098 R)
• M6: 2,407,927 km (0.106 R)
• M7: 3,036,837 km (0.09 R)
• M8: 3,715,114 km (0.053 R)
• M9: 4,750,630 km (0.104 R)
• M10: 5,789,438 km (0.102 R)
• M11: 6,308,841 km (0.117 R)
• M12: 7,961,000 km (0.074 R)
• M13: 8,505,237 km (0.095 R)
• M14: 9,455,483 km (0.1 R)
• M15: 10,065,992 km (0.096 R)
• M16: 10,512,542 km (0.081 R)
• M17: 11,445,284 km (0.053 R)
• M18: 12,860,031 km (0.049 R)
• M19: 13,609,517 km (0.119 R)
• M20: 15,050,743 km (0.071 R)
• M21: 15,833,289 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 13

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.53 AU - 3.59 AU

Year: 3511 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,228,610 km

• M1: 166,203 km (0.076 R)
• M2: 641,326 km (0.103 R)
• M3: 1,132,755 km (0.064 R)
• M4: 1,630,916 km (0.093 R)
• M5: 2,289,595 km (0.039 R)
• M6: 3,276,941 km (0.084 R)
• M7: 4,206,094 km (0.092 R)
• M8: 4,642,172 km (0.113 R)
• M9: 5,084,532 km (0.109 R)
• M10: 5,867,079 km (0.099 R)
• M11: 6,385,436 km (0.083 R)
• M12: 7,962,646 km (0.055 R)
• M13: 8,877,437 km (0.097 R)
• M14: 10,556,523 km (0.103 R)
• M15: 11,078,919 km (0.053 R)
• M16: 11,873,284 km (0.112 R)
• M17: 12,394,333 km (0.068 R)
• M18: 12,840,284 km (0.067 R)
• M19: 14,437,092 km (0.026 R)
• M20: 15,385,094 km (0.12 R)
• M21: 18,078,454 km (0.091 R)
• M22: 19,239,034 km (0.114 R)
• M23: 20,387,048 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 9.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.87 AU - 4.15 AU

Year: 4314 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,228,610 km

• M1: 137,032 km (0.088 R)
• M2: 574,007 km (0.093 R)
• M3: 898,186 km (0.102 R)
• M4: 1,368,521 km (0.1 R)
• M5: 1,921,136 km (0.106 R)
• M6: 3,301,775 km (0.104 R)
• M7: 8,143,210 km (0.102 R)
• M8: 12,269,718 km (0.111 R)
• M9: 13,008,732 km (0.115 R)
• M10: 13,389,159 km (0.107 R)
• M11: 14,677,047 km (0.046 R)
• M12: 15,509,709 km (0.026 R)
• M13: 16,929,393 km (0.106 R)
• M14: 21,973,384 km (0.103 R)
• M15: 22,513,432 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.8

Radius: 7.2

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.78 AU - 7.66 AU

Year: 10176 Days

Day: 21.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,228,610 km

• M1: 89,609 km (0.068 R)
• M2: 336,446 km (0.047 R)
• M3: 602,131 km (0.116 R)
• M4: 874,400 km (0.062 R)
• M5: 1,251,386 km (0.083 R)
• M6: 1,622,539 km (0.095 R)
• M7: 2,001,769 km (0.062 R)
• M8: 2,917,607 km (0.111 R)
• M9: 5,510,587 km (0.07 R)
• M10: 6,975,749 km (0.094 R)
• M11: 7,817,985 km (0.033 R)
• M12: 9,981,918 km (0.108 R)
• M13: 14,465,815 km (0.027 R)
• M14: 15,639,261 km (0.114 R)
• M15: 17,688,003 km (0.108 R)
• M16: 19,538,978 km (0.103 R)
• M17: 22,309,979 km (0.072 R)
• M18: 23,041,513 km (0.072 R)
• M19: 23,705,129 km (0.086 R)
• M20: 29,190,733 km (0.079 R)
• M21: 33,846,817 km (0.045 R)
• M22: 37,023,229 km (0.062 R)
• M23: 38,278,355 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854

Radius: 5.2

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.12 AU - 7.52 AU

Year: 11684 Days

Day: 15.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,228,610 km

• M1: 67,768 km (0.081 R)
• M2: 285,882 km (0.106 R)
• M3: 482,004 km (0.102 R)
• M4: 760,256 km (0.08 R)
• M5: 1,140,534 km (0.075 R)
• M6: 1,387,969 km (0.105 R)
• M7: 2,027,051 km (0.102 R)
• M8: 2,453,106 km (0.06 R)
• M9: 2,643,843 km (0.101 R)
• M10: 3,127,643 km (0.089 R)
• M11: 4,062,330 km (0.049 R)
• M12: 4,546,429 km (0.104 R)
• M13: 5,000,758 km (0.081 R)
• M14: 6,997,889 km (0.07 R)
• M15: 7,253,103 km (0.032 R)
• M16: 7,782,081 km (0.068 R)
• M17: 8,289,218 km (0.115 R)
• M18: 8,479,058 km (0.107 R)
• M19: 10,762,819 km (0.072 R)
• M20: 11,567,805 km (0.077 R)
• M21: 15,120,156 km (0.097 R)
• M22: 17,411,846 km (0.041 R)
• M23: 19,840,418 km (0.093 R)
• M24: 20,697,613 km (0.114 R)
• M25: 21,579,343 km (0.105 R)
• M26: 24,568,608 km (0.1 R)
• M27: 24,960,704 km (0.111 R)
• M28: 26,570,676 km (0.063 R)
• M29: 26,776,672 km (0.031 R)
• M30: 29,552,611 km (0.116 R)
• M31: 36,933,770 km (0.101 R)
• M32: 38,623,178 km (0.075 R)
• M33: 39,957,292 km (0.05 R)
• M34: 46,342,129 km (0.1 R)
• M35: 57,057,226 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit