🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.61 AU

Year: 185 Days

Day: 33.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 22,830,667 km

• M1: 402,269 km (0.115 R)
• M2: 487,689 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.69 AU - 1.05 AU

Year: 368 Days

Day: 19.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.2 AU - 1.86 AU

Year: 857 Days

Day: 45.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 14.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.99 AU - 3.15 AU

Year: 1867 Days

Day: 6 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,830,667 km

• M1: 183,407 km (0.12 R)
• M2: 1,254,378 km (0.096 R)
• M3: 1,921,136 km (0.078 R)
• M4: 2,386,535 km (0.099 R)
• M5: 3,656,770 km (0.051 R)
• M6: 4,909,503 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.7

Radius: 11.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.27 AU - 3.01 AU

Year: 1943 Days

Day: 5.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,830,667 km

• M1: 144,811 km (0.067 R)
• M2: 709,244 km (0.111 R)
• M3: 1,186,760 km (0.046 R)
• M4: 2,199,986 km (0.082 R)
• M5: 2,637,410 km (0.093 R)
• M6: 3,083,063 km (0.077 R)
• M7: 3,510,613 km (0.111 R)
• M8: 4,219,109 km (0.058 R)
• M9: 4,632,298 km (0.104 R)
• M10: 5,862,292 km (0.044 R)
• M11: 6,522,467 km (0.08 R)
• M12: 6,989,811 km (0.079 R)
• M13: 7,366,050 km (0.092 R)
• M14: 8,256,306 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 10.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.82 AU - 3.98 AU

Year: 3489 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,830,667 km

• M1: 126,859 km (0.065 R)
• M2: 488,886 km (0.119 R)
• M3: 1,099,096 km (0.102 R)
• M4: 1,490,593 km (0.086 R)
• M5: 1,853,817 km (0.091 R)
• M6: 2,195,050 km (0.117 R)
• M7: 2,638,906 km (0.049 R)
• M8: 3,481,442 km (0.093 R)
• M9: 3,945,195 km (0.081 R)
• M10: 4,319,938 km (0.065 R)
• M11: 6,795,034 km (0.065 R)
• M12: 7,428,133 km (0.036 R)
• M13: 8,266,180 km (0.101 R)
• M14: 8,847,368 km (0.108 R)
• M15: 9,418,981 km (0.087 R)
• M16: 10,283,657 km (0.113 R)
• M17: 10,675,902 km (0.059 R)
• M18: 11,490,014 km (0.033 R)
• M19: 12,084,366 km (0.089 R)
• M20: 14,326,689 km (0.108 R)
• M21: 15,065,254 km (0.114 R)
• M22: 18,218,627 km (0.112 R)
• M23: 20,714,817 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 13.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.87 AU - 5.95 AU

Year: 4929 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,830,667 km

• M1: 175,179 km (0.119 R)
• M2: 782,696 km (0.107 R)
• M3: 1,321,697 km (0.1 R)
• M4: 1,837,959 km (0.081 R)
• M5: 2,603,901 km (0.119 R)
• M6: 3,213,961 km (0.077 R)
• M7: 3,830,304 km (0.111 R)
• M8: 4,573,955 km (0.088 R)
• M9: 7,394,473 km (0.049 R)
• M10: 9,656,991 km (0.119 R)
• M11: 12,059,084 km (0.113 R)
• M12: 13,042,391 km (0.085 R)
• M13: 14,131,763 km (0.076 R)
• M14: 17,211,235 km (0.117 R)
• M15: 20,644,357 km (0.1 R)
• M16: 21,269,676 km (0.067 R)
• M17: 22,339,899 km (0.1 R)
• M18: 22,851,374 km (0.098 R)
• M19: 23,595,773 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.9

Radius: 3.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.18 AU - 11.04 AU

Year: 14563 Days

Day: 22.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,830,667 km

• M1: 61,784 km (0.078 R)
• M2: 173,982 km (0.063 R)
• M3: 376,239 km (0.117 R)
• M4: 706,850 km (0.1 R)
• M5: 882,627 km (0.091 R)
• M6: 1,009,786 km (0.103 R)
• M7: 2,529,999 km (0.085 R)
• M8: 3,301,176 km (0.084 R)
• M9: 3,812,053 km (0.098 R)
• M10: 4,129,649 km (0.05 R)
• M11: 6,622,847 km (0.076 R)
• M12: 8,060,632 km (0.081 R)
• M13: 9,887,970 km (0.112 R)
• M14: 10,045,198 km (0.106 R)
• M15: 10,772,991 km (0.118 R)
• M16: 16,161,208 km (0.048 R)
• M17: 16,599,380 km (0.102 R)
• M18: 17,214,676 km (0.102 R)
• M19: 20,140,960 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 18,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit