🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 30.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 10.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.61 AU - 0.99 AU

Year: 469 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,264,298 km

• M1: 126,859 km (0.115 R)
• M2: 480,060 km (0.1 R)
• M3: 987,496 km (0.106 R)
• M4: 1,366,128 km (0.073 R)
• M5: 1,915,900 km (0.114 R)
• M6: 2,254,440 km (0.073 R)
• M7: 3,073,787 km (0.079 R)
• M8: 3,531,557 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 12.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.91 AU - 0.99 AU

Year: 607 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,264,298 km

• M1: 157,975 km (0.073 R)
• M2: 572,960 km (0.104 R)
• M3: 1,128,866 km (0.094 R)
• M4: 1,721,722 km (0.08 R)
• M5: 2,161,839 km (0.12 R)
• M6: 2,873,625 km (0.038 R)
• M7: 3,900,166 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.3

Radius: 8.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.16 AU - 1.42 AU

Year: 961 Days

Day: 9.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,264,298 km

• M1: 111,301 km (0.05 R)
• M2: 514,018 km (0.107 R)
• M3: 882,927 km (0.102 R)
• M4: 1,397,843 km (0.082 R)
• M5: 1,888,673 km (0.065 R)
• M6: 2,760,380 km (0.059 R)
• M7: 5,147,214 km (0.082 R)
• M8: 5,645,225 km (0.106 R)
• M9: 6,174,802 km (0.096 R)
• M10: 7,493,657 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 11.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.03 AU - 1.71 AU

Year: 1052 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,264,298 km

• M1: 146,756 km (0.117 R)
• M2: 716,873 km (0.077 R)
• M3: 1,218,325 km (0.118 R)
• M4: 1,690,755 km (0.12 R)
• M5: 2,107,984 km (0.055 R)
• M6: 2,733,901 km (0.087 R)
• M7: 3,270,957 km (0.039 R)
• M8: 4,217,164 km (0.061 R)
• M9: 4,821,240 km (0.091 R)
• M10: 5,715,835 km (0.087 R)
• M11: 6,317,668 km (0.104 R)
• M12: 7,060,272 km (0.096 R)
• M13: 7,622,012 km (0.118 R)
• M14: 8,048,964 km (0.109 R)
• M15: 8,777,206 km (0.12 R)
• M16: 9,702,170 km (0.074 R)
• M17: 10,461,977 km (0.081 R)
• M18: 11,159,104 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.3

Radius: 9

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.54 AU - 1.7 AU

Year: 1353 Days

Day: 10.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,264,298 km

• M1: 112,049 km (0.057 R)
• M2: 688,001 km (0.114 R)
• M3: 1,007,093 km (0.104 R)
• M4: 1,329,327 km (0.084 R)
• M5: 2,066,844 km (0.099 R)
• M6: 2,398,353 km (0.119 R)
• M7: 2,997,792 km (0.084 R)
• M8: 3,693,721 km (0.111 R)
• M9: 4,238,706 km (0.055 R)
• M10: 5,278,860 km (0.099 R)
• M11: 5,858,851 km (0.082 R)
• M12: 6,746,266 km (0.074 R)
• M13: 8,815,503 km (0.093 R)
• M14: 9,112,156 km (0.11 R)
• M15: 9,631,859 km (0.078 R)
• M16: 10,399,146 km (0.047 R)
• M17: 11,069,046 km (0.092 R)
• M18: 11,874,780 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 8.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.81 AU - 1.99 AU

Year: 1718 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,264,298 km

• M1: 113,395 km (0.056 R)
• M2: 457,021 km (0.076 R)
• M3: 1,107,772 km (0.063 R)
• M4: 1,398,291 km (0.088 R)
• M5: 2,399,400 km (0.111 R)
• M6: 2,734,649 km (0.105 R)
• M7: 4,051,260 km (0.113 R)
• M8: 5,387,767 km (0.087 R)
• M9: 5,877,850 km (0.041 R)
• M10: 7,817,237 km (0.092 R)
• M11: 9,680,029 km (0.099 R)
• M12: 10,276,327 km (0.037 R)
• M13: 11,369,737 km (0.092 R)
• M14: 11,750,913 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.4

Radius: 4.5

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.87 AU - 7.41 AU

Year: 9981 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,264,298 km

• M1: 61,634 km (0.106 R)
• M2: 504,743 km (0.093 R)
• M3: 740,360 km (0.091 R)
• M4: 888,163 km (0.025 R)
• M5: 1,456,036 km (0.12 R)
• M6: 1,979,778 km (0.115 R)
• M7: 3,183,891 km (0.045 R)
• M8: 10,931,565 km (0.111 R)
• M9: 14,817,220 km (0.094 R)
• M10: 18,077,855 km (0.075 R)
• M11: 20,709,581 km (0.1 R)
• M12: 21,859,540 km (0.096 R)
• M13: 22,749,348 km (0.062 R)
• M14: 24,442,946 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.1

Radius: 3.2

Gravity: 61.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.66 AU - 8.94 AU

Year: 12939 Days

Day: 15.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,264,298 km

• M1: 39,943 km (0.083 R)
• M2: 163,959 km (0.119 R)
• M3: 430,692 km (0.088 R)
• M4: 536,757 km (0.085 R)
• M5: 944,711 km (0.079 R)
• M6: 1,151,156 km (0.089 R)
• M7: 1,443,171 km (0.069 R)
• M8: 1,900,791 km (0.035 R)
• M9: 2,468,963 km (0.066 R)
• M10: 2,975,352 km (0.07 R)
• M11: 4,492,125 km (0.085 R)
• M12: 4,939,123 km (0.055 R)
• M13: 5,700,427 km (0.088 R)
• M14: 6,262,466 km (0.103 R)
• M15: 6,778,579 km (0.101 R)
• M16: 7,322,367 km (0.099 R)
• M17: 9,227,795 km (0.055 R)
• M18: 13,914,397 km (0.077 R)
• M19: 15,844,509 km (0.105 R)
• M20: 17,557,853 km (0.085 R)
• M21: 23,618,362 km (0.12 R)
• M22: 23,806,706 km (0.114 R)
• M23: 25,646,610 km (0.086 R)
• M24: 31,162,134 km (0.108 R)
• M25: 31,730,756 km (0.092 R)
• M26: 33,241,395 km (0.076 R)
• M27: 33,715,770 km (0.067 R)
• M28: 35,534,581 km (0.112 R)
• M29: 36,155,113 km (0.118 R)
• M30: 37,035,945 km (0.103 R)
• M31: 37,162,953 km (0.113 R)
• M32: 42,068,268 km (0.088 R)
• M33: 42,206,646 km (0.052 R)
• M34: 43,323,543 km (0.082 R)
• M35: 45,325,312 km (0.086 R)
• M36: 48,746,317 km (0.119 R)
• M37: 50,130,546 km (0.115 R)
• M38: 50,910,848 km (0.101 R)
• M39: 52,335,469 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 12,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit