🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.47 AU - 0.63 AU

Year: 268 Days

Day: 35.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.52 AU - 0.7 AU

Year: 313 Days

Day: 25.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 10.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.95 AU - 1.37 AU

Year: 820 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,567,842 km

• M1: 129,402 km (0.059 R)
• M2: 476,170 km (0.102 R)
• M3: 1,553,275 km (0.067 R)
• M4: 2,640,552 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 14.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.27 AU - 1.67 AU

Year: 1169 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,567,842 km

• M1: 179,517 km (0.065 R)
• M2: 625,020 km (0.102 R)
• M3: 1,558,511 km (0.081 R)
• M4: 2,539,573 km (0.097 R)
• M5: 3,808,014 km (0.104 R)
• M6: 5,670,956 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 12.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.51 AU - 1.87 AU

Year: 1441 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,567,842 km

• M1: 155,432 km (0.045 R)
• M2: 585,676 km (0.049 R)
• M3: 992,582 km (0.102 R)
• M4: 1,519,914 km (0.04 R)
• M5: 2,359,308 km (0.114 R)
• M6: 2,987,469 km (0.111 R)
• M7: 3,580,924 km (0.052 R)
• M8: 4,076,542 km (0.092 R)
• M9: 4,506,037 km (0.096 R)
• M10: 4,906,511 km (0.108 R)
• M11: 5,520,012 km (0.11 R)
• M12: 5,979,726 km (0.074 R)
• M13: 6,536,230 km (0.091 R)
• M14: 7,280,330 km (0.107 R)
• M15: 10,901,646 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.6

Radius: 10.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.46 AU - 2.36 AU

Year: 1732 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,567,842 km

• M1: 129,851 km (0.075 R)
• M2: 473,776 km (0.107 R)
• M3: 943,663 km (0.096 R)
• M4: 1,444,367 km (0.119 R)
• M5: 2,036,775 km (0.089 R)
• M6: 3,031,750 km (0.101 R)
• M7: 3,553,997 km (0.067 R)
• M8: 3,881,317 km (0.068 R)
• M9: 4,247,682 km (0.117 R)
• M10: 4,657,281 km (0.116 R)
• M11: 5,288,285 km (0.098 R)
• M12: 6,266,356 km (0.12 R)
• M13: 6,720,834 km (0.113 R)
• M14: 7,170,076 km (0.108 R)
• M15: 10,719,884 km (0.039 R)
• M16: 11,482,085 km (0.055 R)
• M17: 11,819,728 km (0.09 R)
• M18: 12,241,295 km (0.111 R)
• M19: 13,074,106 km (0.097 R)
• M20: 13,901,831 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.8

Radius: 12.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.39 AU - 6.35 AU

Year: 8163 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,567,842 km

• M1: 150,495 km (0.083 R)
• M2: 911,949 km (0.105 R)
• M3: 2,998,241 km (0.098 R)
• M4: 3,409,784 km (0.085 R)
• M5: 5,203,313 km (0.077 R)
• M6: 7,054,288 km (0.059 R)
• M7: 10,947,123 km (0.095 R)
• M8: 14,339,255 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.5

Radius: 7.6

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.94 AU - 8.98 AU

Year: 17594 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,567,842 km

• M1: 95,294 km (0.089 R)
• M2: 453,431 km (0.086 R)
• M3: 1,061,846 km (0.116 R)
• M4: 1,320,650 km (0.03 R)
• M5: 1,780,514 km (0.108 R)
• M6: 2,547,203 km (0.051 R)
• M7: 2,788,355 km (0.118 R)
• M8: 3,097,873 km (0.099 R)
• M9: 4,857,742 km (0.113 R)
• M10: 5,662,878 km (0.091 R)
• M11: 6,290,291 km (0.105 R)
• M12: 8,138,274 km (0.064 R)
• M13: 9,047,081 km (0.062 R)
• M14: 10,261,068 km (0.07 R)
• M15: 14,248,150 km (0.095 R)
• M16: 17,044,733 km (0.114 R)
• M17: 23,067,992 km (0.105 R)
• M18: 23,908,432 km (0.119 R)
• M19: 26,211,492 km (0.078 R)
• M20: 26,895,603 km (0.078 R)
• M21: 27,474,995 km (0.073 R)
• M22: 32,152,322 km (0.116 R)
• M23: 36,481,386 km (0.12 R)
• M24: 39,227,404 km (0.116 R)
• M25: 39,972,252 km (0.084 R)
• M26: 43,046,339 km (0.089 R)
• M27: 44,964,482 km (0.089 R)
• M28: 49,660,509 km (0.102 R)
• M29: 50,357,037 km (0.1 R)
• M30: 53,026,760 km (0.089 R)
• M31: 54,673,235 km (0.091 R)
• M32: 58,840,732 km (0.119 R)
• M33: 63,623,226 km (0.069 R)
• M34: 67,588,318 km (0.091 R)
• M35: 69,957,499 km (0.106 R)
• M36: 77,629,925 km (0.117 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: 195 - 17,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit