🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.83 AU - 1.27 AU

Year: 395 Days

Day: 15.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.34 AU - 1.82 AU

Year: 729 Days

Day: 40.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.62 AU - 2.6 AU

Year: 1125 Days

Day: 41.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 8.9

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.62 AU - 7.8 AU

Year: 6381 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 97,883,130 km

• M1: 132,394 km (0.076 R)
• M2: 505,342 km (0.119 R)
• M3: 795,711 km (0.044 R)
• M4: 1,382,284 km (0.109 R)
• M5: 1,947,615 km (0.092 R)
• M6: 2,335,522 km (0.107 R)
• M7: 3,034,593 km (0.106 R)
• M8: 3,355,181 km (0.096 R)
• M9: 3,769,866 km (0.068 R)
• M10: 4,192,630 km (0.064 R)
• M11: 5,103,980 km (0.107 R)
• M12: 5,622,187 km (0.098 R)
• M13: 5,910,462 km (0.092 R)
• M14: 6,871,479 km (0.112 R)
• M15: 7,164,392 km (0.092 R)
• M16: 7,619,319 km (0.117 R)
• M17: 8,884,169 km (0.087 R)
• M18: 9,725,507 km (0.106 R)
• M19: 12,034,102 km (0.054 R)
• M20: 12,568,764 km (0.047 R)
• M21: 13,007,684 km (0.097 R)
• M22: 14,988,659 km (0.076 R)
• M23: 16,308,113 km (0.086 R)
• M24: 20,578,085 km (0.097 R)
• M25: 21,111,401 km (0.091 R)
• M26: 25,802,342 km (0.113 R)
• M27: 33,285,077 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.2

Radius: 10.4

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.62 AU - 10.22 AU

Year: 10613 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 97,883,130 km

• M1: 130,300 km (0.102 R)
• M2: 704,456 km (0.119 R)
• M3: 1,416,243 km (0.118 R)
• M4: 1,853,518 km (0.038 R)
• M5: 2,784,465 km (0.086 R)
• M6: 3,553,398 km (0.042 R)
• M7: 4,340,732 km (0.092 R)
• M8: 6,448,416 km (0.095 R)
• M9: 7,281,976 km (0.108 R)
• M10: 8,781,844 km (0.084 R)
• M11: 10,637,306 km (0.115 R)
• M12: 11,015,789 km (0.109 R)
• M13: 12,500,996 km (0.105 R)
• M14: 14,905,782 km (0.117 R)
• M15: 16,359,275 km (0.077 R)
• M16: 17,905,220 km (0.119 R)
• M17: 21,974,132 km (0.025 R)
• M18: 27,420,841 km (0.089 R)
• M19: 31,884,243 km (0.091 R)
• M20: 32,672,474 km (0.033 R)
• M21: 35,714,098 km (0.092 R)
• M22: 37,552,357 km (0.059 R)
• M23: 46,249,977 km (0.072 R)
• M24: 46,825,330 km (0.109 R)
• M25: 49,025,167 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.5

Radius: 6.1

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 12.61 AU - 18.95 AU

Year: 23011 Days

Day: 16.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 97,883,130 km

• M1: 76,445 km (0.108 R)
• M2: 267,032 km (0.072 R)
• M3: 600,336 km (0.115 R)
• M4: 805,734 km (0.086 R)
• M5: 1,097,001 km (0.113 R)
• M6: 1,425,668 km (0.116 R)
• M7: 1,674,000 km (0.107 R)
• M8: 1,874,312 km (0.068 R)
• M9: 2,111,275 km (0.111 R)
• M10: 2,323,853 km (0.104 R)
• M11: 3,350,095 km (0.105 R)
• M12: 4,205,795 km (0.107 R)
• M13: 4,578,892 km (0.073 R)
• M14: 5,236,973 km (0.077 R)
• M15: 6,124,537 km (0.065 R)
• M16: 6,649,027 km (0.109 R)
• M17: 6,968,418 km (0.111 R)
• M18: 8,939,370 km (0.101 R)
• M19: 9,556,162 km (0.068 R)
• M20: 11,382,603 km (0.107 R)
• M21: 12,514,610 km (0.119 R)
• M22: 13,143,519 km (0.09 R)
• M23: 13,357,743 km (0.116 R)
• M24: 15,951,322 km (0.093 R)
• M25: 16,195,017 km (0.086 R)
• M26: 17,884,575 km (0.057 R)
• M27: 20,730,226 km (0.098 R)
• M28: 21,215,820 km (0.08 R)
• M29: 24,829,656 km (0.067 R)
• M30: 26,383,230 km (0.099 R)
• M31: 30,673,697 km (0.08 R)
• M32: 33,379,623 km (0.112 R)
• M33: 42,289,224 km (0.107 R)
• M34: 44,821,317 km (0.103 R)
• M35: 45,632,886 km (0.058 R)
• M36: 49,148,585 km (0.085 R)
• M37: 69,028,197 km (0.087 R)
• M38: 70,983,741 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.4

Radius: 5.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 15.19 AU - 20.31 AU

Year: 27452 Days

Day: 24.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 97,883,130 km

• M1: 68,366 km (0.112 R)
• M2: 286,779 km (0.054 R)
• M3: 521,349 km (0.048 R)
• M4: 1,142,180 km (0.117 R)
• M5: 1,424,770 km (0.105 R)
• M6: 2,147,926 km (0.118 R)
• M7: 3,516,747 km (0.119 R)
• M8: 4,935,383 km (0.081 R)
• M9: 5,252,680 km (0.085 R)
• M10: 8,039,090 km (0.099 R)
• M11: 8,389,449 km (0.12 R)
• M12: 9,357,496 km (0.079 R)
• M13: 9,598,648 km (0.066 R)
• M14: 12,071,351 km (0.098 R)
• M15: 14,678,693 km (0.117 R)
• M16: 19,141,646 km (0.102 R)
• M17: 19,374,271 km (0.103 R)
• M18: 24,340,920 km (0.099 R)
• M19: 29,163,207 km (0.114 R)
• M20: 30,937,737 km (0.119 R)
• M21: 36,810,351 km (0.085 R)
• M22: 43,651,611 km (0.108 R)
• M23: 45,968,883 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724

Radius: 5.9

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.48 AU - 18.82 AU

Year: 28385 Days

Day: 18.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 96.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 97,883,130 km

• M1: 73,453 km (0.091 R)
• M2: 353,500 km (0.096 R)
• M3: 672,742 km (0.044 R)
• M4: 1,100,741 km (0.059 R)
• M5: 1,342,790 km (0.116 R)
• M6: 1,733,690 km (0.083 R)
• M7: 2,361,552 km (0.079 R)
• M8: 2,558,872 km (0.052 R)
• M9: 3,652,731 km (0.064 R)
• M10: 4,020,293 km (0.065 R)
• M11: 5,314,315 km (0.094 R)
• M12: 6,963,631 km (0.094 R)
• M13: 9,971,147 km (0.086 R)
• M14: 11,231,958 km (0.116 R)
• M15: 12,895,935 km (0.051 R)
• M16: 23,159,246 km (0.119 R)
• M17: 24,298,285 km (0.105 R)
• M18: 27,559,069 km (0.07 R)
• M19: 31,511,295 km (0.085 R)
• M20: 33,622,121 km (0.057 R)
• M21: 35,675,502 km (0.047 R)
• M22: 44,379,704 km (0.081 R)
• M23: 45,955,718 km (0.098 R)
• M24: 48,297,373 km (0.037 R)
• M25: 50,906,959 km (0.092 R)
• M26: 52,439,439 km (0.096 R)
• M27: 60,779,072 km (0.088 R)
• M28: 62,069,054 km (0.085 R)
• M29: 65,598,218 km (0.088 R)
• M30: 69,026,253 km (0.096 R)
• M31: 74,023,270 km (0.1 R)
• M32: 74,511,408 km (0.104 R)
• M33: 76,734,433 km (0.12 R)
• M34: 79,766,931 km (0.078 R)
• M35: 86,069,489 km (0.091 R)
• M36: 89,341,644 km (0.094 R)
• M37: 91,568,707 km (0.12 R)
• M38: 97,297,408 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit