🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.39 AU - 0.65 AU

Year: 171 Days

Day: 46.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.08 AU - 1.28 AU

Year: 585 Days

Day: 16.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,412,028 km

• M1: 223,499 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.39 AU - 1.73 AU

Year: 890 Days

Day: 28.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.38 AU - 1.88 AU

Year: 950 Days

Day: 34.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.8

Radius: 11.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.67 AU - 5.75 AU

Year: 4667 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,412,028 km

• M1: 146,905 km (0.077 R)
• M2: 601,234 km (0.114 R)
• M3: 1,333,515 km (0.034 R)
• M4: 1,755,531 km (0.08 R)
• M5: 2,316,224 km (0.035 R)
• M6: 2,848,792 km (0.106 R)
• M7: 3,942,203 km (0.115 R)
• M8: 4,585,025 km (0.109 R)
• M9: 5,385,075 km (0.083 R)
• M10: 7,372,033 km (0.038 R)
• M11: 8,200,656 km (0.098 R)
• M12: 9,707,107 km (0.09 R)
• M13: 11,133,822 km (0.085 R)
• M14: 13,016,810 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 14.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.43 AU - 5.77 AU

Year: 5258 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,412,028 km

• M1: 179,667 km (0.111 R)
• M2: 698,622 km (0.083 R)
• M3: 1,174,493 km (0.079 R)
• M4: 1,862,942 km (0.098 R)
• M5: 2,596,421 km (0.038 R)
• M6: 3,899,568 km (0.059 R)
• M7: 5,080,493 km (0.08 R)
• M8: 8,180,760 km (0.053 R)
• M9: 9,193,238 km (0.082 R)
• M10: 11,128,586 km (0.102 R)
• M11: 12,631,147 km (0.107 R)
• M12: 16,595,191 km (0.09 R)
• M13: 21,396,684 km (0.107 R)
• M14: 23,236,289 km (0.077 R)
• M15: 26,966,363 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.3

Radius: 14

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.31 AU - 8.75 AU

Year: 10389 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,412,028 km

• M1: 175,030 km (0.082 R)
• M2: 668,553 km (0.093 R)
• M3: 1,438,533 km (0.099 R)
• M4: 2,593,578 km (0.102 R)
• M5: 3,603,214 km (0.108 R)
• M6: 5,745,605 km (0.084 R)
• M7: 6,581,858 km (0.083 R)
• M8: 9,339,993 km (0.069 R)
• M9: 9,881,837 km (0.082 R)
• M10: 11,412,074 km (0.053 R)
• M11: 12,379,673 km (0.068 R)
• M12: 20,091,742 km (0.107 R)
• M13: 29,036,648 km (0.104 R)
• M14: 29,664,061 km (0.109 R)
• M15: 32,376,121 km (0.104 R)
• M16: 41,631,741 km (0.108 R)
• M17: 49,482,488 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.4

Radius: 5.5

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.95 AU - 9.37 AU

Year: 12657 Days

Day: 18.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,412,028 km

• M1: 68,516 km (0.102 R)
• M2: 294,558 km (0.062 R)
• M3: 963,560 km (0.114 R)
• M4: 1,910,664 km (0.119 R)
• M5: 2,320,712 km (0.033 R)
• M6: 3,905,851 km (0.109 R)
• M7: 4,810,619 km (0.111 R)
• M8: 5,601,243 km (0.117 R)
• M9: 7,147,188 km (0.096 R)
• M10: 8,768,230 km (0.031 R)
• M11: 9,004,595 km (0.106 R)
• M12: 9,196,828 km (0.05 R)
• M13: 15,482,781 km (0.058 R)
• M14: 20,551,606 km (0.114 R)
• M15: 31,424,230 km (0.067 R)
• M16: 33,105,710 km (0.077 R)
• M17: 34,026,484 km (0.106 R)
• M18: 40,693,463 km (0.099 R)
• M19: 42,150,546 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 11,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit