🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.97 AU - 1.17 AU

Year: 424 Days

Day: 20.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.13 AU - 1.35 AU

Year: 529 Days

Day: 33.9 Hours

Environment

Temp: -28 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.38 AU - 2.22 AU

Year: 925 Days

Day: 44.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.79 AU - 2.51 AU

Year: 1207 Days

Day: 14.1 Hours

Environment

Temp: -92 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.72 AU - 3.14 AU

Year: 1920 Days

Day: 15.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 9.4

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.44 AU - 4.78 AU

Year: 3790 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,868,004 km

• M1: 116,986 km (0.081 R)
• M2: 409,898 km (0.084 R)
• M3: 724,502 km (0.054 R)
• M4: 1,043,595 km (0.064 R)
• M5: 2,197,144 km (0.066 R)
• M6: 2,923,741 km (0.059 R)
• M7: 3,505,377 km (0.035 R)
• M8: 4,255,910 km (0.065 R)
• M9: 5,634,604 km (0.11 R)
• M10: 6,694,954 km (0.043 R)
• M11: 8,584,225 km (0.114 R)
• M12: 9,407,013 km (0.11 R)
• M13: 10,281,263 km (0.115 R)
• M14: 10,584,498 km (0.036 R)
• M15: 12,095,137 km (0.091 R)
• M16: 12,877,086 km (0.104 R)
• M17: 13,640,483 km (0.107 R)
• M18: 14,006,849 km (0.064 R)
• M19: 16,170,183 km (0.113 R)
• M20: 16,580,680 km (0.087 R)
• M21: 18,293,127 km (0.083 R)
• M22: 18,867,732 km (0.102 R)
• M23: 19,454,305 km (0.057 R)
• M24: 20,187,784 km (0.114 R)
• M25: 20,663,954 km (0.109 R)
• M26: 21,851,761 km (0.098 R)
• M27: 24,516,398 km (0.091 R)
• M28: 25,215,020 km (0.057 R)
• M29: 27,890,429 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.5

Radius: 11.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.46 AU - 8.8 AU

Year: 8070 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,868,004 km

• M1: 142,268 km (0.118 R)
• M2: 1,025,344 km (0.12 R)
• M3: 1,483,263 km (0.087 R)
• M4: 1,967,511 km (0.101 R)
• M5: 2,501,276 km (0.088 R)
• M6: 3,836,737 km (0.079 R)
• M7: 5,988,552 km (0.119 R)
• M8: 6,395,758 km (0.097 R)
• M9: 7,968,929 km (0.091 R)
• M10: 8,337,239 km (0.109 R)
• M11: 10,742,025 km (0.044 R)
• M12: 11,759,290 km (0.099 R)
• M13: 12,345,415 km (0.106 R)
• M14: 13,289,676 km (0.118 R)
• M15: 14,102,890 km (0.114 R)
• M16: 14,521,765 km (0.066 R)
• M17: 15,637,166 km (0.091 R)
• M18: 17,484,550 km (0.095 R)
• M19: 19,399,702 km (0.048 R)
• M20: 21,372,300 km (0.101 R)
• M21: 22,732,294 km (0.093 R)
• M22: 23,558,822 km (0.119 R)
• M23: 24,234,257 km (0.083 R)
• M24: 26,069,075 km (0.085 R)
• M25: 26,883,037 km (0.072 R)
• M26: 28,371,984 km (0.087 R)
• M27: 29,915,086 km (0.114 R)
• M28: 35,207,260 km (0.119 R)
• M29: 35,757,481 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.2

Radius: 3.1

Gravity: 33.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 10.06 AU - 15.8 AU

Year: 17802 Days

Day: 24.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,868,004 km

• M1: 38,596 km (0.053 R)
• M2: 195,524 km (0.109 R)
• M3: 391,348 km (0.117 R)
• M4: 553,662 km (0.113 R)
• M5: 835,055 km (0.097 R)
• M6: 947,703 km (0.099 R)
• M7: 1,094,009 km (0.035 R)
• M8: 1,268,141 km (0.061 R)
• M9: 2,815,881 km (0.077 R)
• M10: 3,443,444 km (0.117 R)
• M11: 3,627,150 km (0.049 R)
• M12: 3,957,462 km (0.104 R)
• M13: 7,527,765 km (0.114 R)
• M14: 8,768,530 km (0.111 R)
• M15: 10,139,295 km (0.041 R)
• M16: 11,356,722 km (0.07 R)
• M17: 12,606,613 km (0.064 R)
• M18: 14,277,471 km (0.099 R)
• M19: 16,455,467 km (0.087 R)
• M20: 16,976,217 km (0.114 R)
• M21: 26,359,294 km (0.116 R)
• M22: 28,216,702 km (0.025 R)
• M23: 38,952,742 km (0.075 R)
• M24: 43,292,876 km (0.111 R)
• M25: 47,047,932 km (0.05 R)
• M26: 48,548,099 km (0.063 R)
• M27: 49,463,339 km (0.1 R)
• M28: 52,437,494 km (0.112 R)
• M29: 54,703,753 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 17,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit