🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.46 AU - 0.72 AU

Year: 288 Days

Day: 21.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.61 AU - 0.65 AU

Year: 318 Days

Day: 32.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,369,750 km

• M1: 623,823 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.7

Radius: 10.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.3 AU - 1.5 AU

Year: 1053 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,369,750 km

• M1: 130,599 km (0.083 R)
• M2: 459,864 km (0.06 R)
• M3: 845,976 km (0.118 R)
• M4: 1,181,225 km (0.051 R)
• M5: 1,897,948 km (0.081 R)
• M6: 2,268,801 km (0.038 R)
• M7: 2,600,310 km (0.056 R)
• M8: 3,621,465 km (0.075 R)
• M9: 5,145,718 km (0.111 R)
• M10: 6,483,572 km (0.117 R)
• M11: 7,010,007 km (0.091 R)
• M12: 8,451,831 km (0.043 R)
• M13: 9,894,702 km (0.081 R)
• M14: 10,888,481 km (0.06 R)
• M15: 11,256,791 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 9.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.59 AU - 2.35 AU

Year: 1758 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,369,750 km

• M1: 119,379 km (0.075 R)
• M2: 445,502 km (0.081 R)
• M3: 878,738 km (0.091 R)
• M4: 1,201,420 km (0.1 R)
• M5: 1,532,929 km (0.094 R)
• M6: 1,834,219 km (0.055 R)
• M7: 2,153,013 km (0.094 R)
• M8: 2,484,222 km (0.081 R)
• M9: 2,918,355 km (0.047 R)
• M10: 3,821,328 km (0.117 R)
• M11: 4,166,450 km (0.099 R)
• M12: 5,986,458 km (0.057 R)
• M13: 8,340,530 km (0.086 R)
• M14: 8,954,031 km (0.11 R)
• M15: 10,238,029 km (0.053 R)
• M16: 12,001,788 km (0.054 R)
• M17: 12,444,448 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.3

Radius: 9.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.11 AU - 2.67 AU

Year: 2349 Days

Day: 8.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 107.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,369,750 km

• M1: 118,332 km (0.05 R)
• M2: 2,640,103 km (0.106 R)
• M3: 3,613,537 km (0.059 R)
• M4: 6,437,196 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 13.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.85 AU - 5.53 AU

Year: 6458 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,369,750 km

• M1: 171,738 km (0.076 R)
• M2: 1,007,093 km (0.102 R)
• M3: 1,672,803 km (0.068 R)
• M4: 2,400,747 km (0.075 R)
• M5: 2,971,911 km (0.086 R)
• M6: 3,859,475 km (0.069 R)
• M7: 5,754,432 km (0.108 R)
• M8: 7,275,692 km (0.079 R)
• M9: 9,092,259 km (0.108 R)
• M10: 10,400,044 km (0.117 R)
• M11: 12,283,332 km (0.062 R)
• M12: 12,958,916 km (0.061 R)
• M13: 15,312,539 km (0.09 R)
• M14: 16,841,878 km (0.051 R)
• M15: 19,989,267 km (0.109 R)
• M16: 20,851,849 km (0.078 R)
• M17: 22,961,029 km (0.069 R)
• M18: 27,075,419 km (0.093 R)
• M19: 29,398,076 km (0.069 R)
• M20: 30,232,084 km (0.112 R)
• M21: 31,947,672 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 8

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.54 AU - 7.06 AU

Year: 10054 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,369,750 km

• M1: 100,081 km (0.117 R)
• M2: 548,426 km (0.12 R)
• M3: 986,448 km (0.055 R)
• M4: 1,446,462 km (0.067 R)
• M5: 2,505,465 km (0.057 R)
• M6: 2,815,282 km (0.11 R)
• M7: 3,340,371 km (0.065 R)
• M8: 6,186,770 km (0.104 R)
• M9: 10,241,321 km (0.117 R)
• M10: 10,660,943 km (0.04 R)
• M11: 12,812,609 km (0.066 R)
• M12: 13,485,799 km (0.095 R)
• M13: 14,376,505 km (0.11 R)
• M14: 18,953,153 km (0.088 R)
• M15: 21,569,021 km (0.059 R)
• M16: 25,641,374 km (0.039 R)
• M17: 38,692,592 km (0.109 R)
• M18: 41,666,747 km (0.084 R)
• M19: 42,735,923 km (0.113 R)
• M20: 44,373,870 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.7

Radius: 4.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.86 AU - 8.7 AU

Year: 12489 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,369,750 km

• M1: 57,446 km (0.025 R)
• M2: 228,137 km (0.084 R)
• M3: 892,052 km (0.098 R)
• M4: 2,026,453 km (0.088 R)
• M5: 3,891,938 km (0.078 R)
• M6: 4,344,023 km (0.117 R)
• M7: 5,850,025 km (0.114 R)
• M8: 11,371,233 km (0.12 R)
• M9: 17,016,309 km (0.093 R)
• M10: 20,644,057 km (0.107 R)
• M11: 21,934,788 km (0.109 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: 184 - 11,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit