🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.63 AU

Year: 235 Days

Day: 47.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.47 AU - 0.65 AU

Year: 271 Days

Day: 29.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 13.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.91 AU - 1.25 AU

Year: 725 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,188,538 km

• M1: 164,109 km (0.042 R)
• M2: 797,207 km (0.093 R)
• M3: 1,346,830 km (0.101 R)
• M4: 2,002,068 km (0.116 R)
• M5: 2,492,151 km (0.098 R)
• M6: 2,967,573 km (0.106 R)
• M7: 3,543,375 km (0.106 R)
• M8: 4,468,339 km (0.083 R)
• M9: 4,904,417 km (0.079 R)
• M10: 6,367,035 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 12.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.98 AU - 1.28 AU

Year: 776 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,188,538 km

• M1: 160,369 km (0.049 R)
• M2: 682,615 km (0.05 R)
• M3: 1,175,540 km (0.112 R)
• M4: 1,656,796 km (0.061 R)
• M5: 2,098,709 km (0.11 R)
• M6: 2,518,031 km (0.048 R)
• M7: 3,070,197 km (0.09 R)
• M8: 3,881,317 km (0.115 R)
• M9: 4,503,793 km (0.119 R)
• M10: 4,991,183 km (0.046 R)
• M11: 5,475,132 km (0.092 R)
• M12: 5,929,312 km (0.117 R)
• M13: 6,981,733 km (0.113 R)
• M14: 7,564,716 km (0.106 R)
• M15: 8,129,747 km (0.057 R)
• M16: 8,565,226 km (0.101 R)
• M17: 9,344,332 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 13.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.44 AU - 1.84 AU

Year: 1356 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,188,538 km

• M1: 169,345 km (0.107 R)
• M2: 1,282,652 km (0.097 R)
• M3: 1,766,900 km (0.065 R)
• M4: 2,843,257 km (0.081 R)
• M5: 3,493,559 km (0.112 R)
• M6: 3,985,886 km (0.118 R)
• M7: 4,621,677 km (0.107 R)
• M8: 5,654,949 km (0.079 R)
• M9: 6,751,801 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 11.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.66 AU - 2.72 AU

Year: 2093 Days

Day: 6.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 83.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,188,538 km

• M1: 146,905 km (0.073 R)
• M2: 670,198 km (0.115 R)
• M3: 1,502,262 km (0.088 R)
• M4: 2,149,721 km (0.11 R)
• M5: 3,246,124 km (0.082 R)
• M6: 7,042,918 km (0.103 R)
• M7: 7,606,753 km (0.117 R)
• M8: 9,419,580 km (0.102 R)
• M9: 10,200,630 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 9.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.61 AU - 2.85 AU

Year: 2912 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,188,538 km

• M1: 123,269 km (0.091 R)
• M2: 761,453 km (0.102 R)
• M3: 1,083,837 km (0.085 R)
• M4: 2,395,660 km (0.111 R)
• M5: 3,146,193 km (0.097 R)
• M6: 3,806,219 km (0.069 R)
• M7: 4,424,656 km (0.106 R)
• M8: 5,401,381 km (0.058 R)
• M9: 5,835,364 km (0.112 R)
• M10: 6,890,029 km (0.12 R)
• M11: 7,309,053 km (0.1 R)
• M12: 7,969,677 km (0.113 R)
• M13: 10,461,379 km (0.098 R)
• M14: 10,775,834 km (0.115 R)
• M15: 12,575,646 km (0.087 R)
• M16: 13,157,282 km (0.108 R)
• M17: 13,616,697 km (0.1 R)
• M18: 14,616,460 km (0.116 R)
• M19: 15,309,547 km (0.115 R)
• M20: 15,664,393 km (0.119 R)
• M21: 16,708,137 km (0.045 R)
• M22: 18,246,602 km (0.101 R)
• M23: 19,167,078 km (0.109 R)
• M24: 20,178,509 km (0.092 R)
• M25: 20,543,827 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 11.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.42 AU - 3.16 AU

Year: 3009 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,188,538 km

• M1: 146,307 km (0.077 R)
• M2: 522,994 km (0.103 R)
• M3: 1,211,144 km (0.102 R)
• M4: 2,229,756 km (0.105 R)
• M5: 2,620,506 km (0.049 R)
• M6: 3,424,744 km (0.114 R)
• M7: 4,347,314 km (0.049 R)
• M8: 6,498,382 km (0.119 R)
• M9: 7,761,886 km (0.05 R)
• M10: 10,661,391 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 9.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.27 AU - 5.93 AU

Year: 7437 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,188,538 km

• M1: 114,442 km (0.099 R)
• M2: 697,724 km (0.11 R)
• M3: 1,701,975 km (0.073 R)
• M4: 2,941,693 km (0.099 R)
• M5: 6,424,181 km (0.104 R)
• M6: 7,319,375 km (0.063 R)
• M7: 8,256,456 km (0.079 R)
• M8: 8,693,282 km (0.064 R)
• M9: 10,321,954 km (0.098 R)
• M10: 10,642,841 km (0.084 R)
• M11: 11,943,445 km (0.086 R)
• M12: 12,297,394 km (0.117 R)
• M13: 12,867,511 km (0.055 R)
• M14: 16,292,854 km (0.095 R)
• M15: 16,665,652 km (0.112 R)
• M16: 17,622,779 km (0.084 R)
• M17: 24,634,281 km (0.109 R)
• M18: 26,553,772 km (0.111 R)
• M19: 26,984,015 km (0.084 R)
• M20: 27,858,115 km (0.075 R)
• M21: 31,640,698 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.8

Radius: 4.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.29 AU - 6.57 AU

Year: 10528 Days

Day: 22.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,188,538 km

• M1: 58,493 km (0.084 R)
• M2: 226,641 km (0.112 R)
• M3: 461,809 km (0.039 R)
• M4: 663,317 km (0.108 R)
• M5: 1,049,579 km (0.109 R)
• M6: 1,693,448 km (0.082 R)
• M7: 2,407,927 km (0.104 R)
• M8: 2,841,163 km (0.061 R)
• M9: 4,195,921 km (0.038 R)
• M10: 4,721,458 km (0.098 R)
• M11: 5,343,636 km (0.115 R)
• M12: 7,952,623 km (0.097 R)
• M13: 10,223,518 km (0.11 R)
• M14: 11,894,975 km (0.109 R)
• M15: 12,315,944 km (0.033 R)
• M16: 12,554,104 km (0.077 R)
• M17: 12,795,405 km (0.099 R)
• M18: 14,999,281 km (0.116 R)
• M19: 15,161,894 km (0.097 R)
• M20: 18,917,399 km (0.075 R)
• M21: 19,814,388 km (0.118 R)
• M22: 20,273,204 km (0.062 R)
• M23: 20,538,591 km (0.069 R)
• M24: 23,612,827 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 12,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit