🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 168 Days

Day: 21.2 Hours

Environment

Temp: 97 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,687,633 km

• M1: 62,532 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.72 AU

Year: 207 Days

Day: 38.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 80,687,633 km

• M1: 69,413 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.9 AU

Year: 292 Days

Day: 24.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 80,687,633 km

• M1: 48,021 km (0.081 R)
• M2: 313,557 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.09 AU - 1.53 AU

Year: 637 Days

Day: 20.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 11.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.26 AU - 3.74 AU

Year: 2206 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,687,633 km

• M1: 148,102 km (0.082 R)
• M2: 521,947 km (0.118 R)
• M3: 913,145 km (0.092 R)
• M4: 1,558,810 km (0.063 R)
• M5: 2,207,616 km (0.05 R)
• M6: 2,773,844 km (0.078 R)
• M7: 3,368,196 km (0.082 R)
• M8: 5,966,412 km (0.116 R)
• M9: 7,015,691 km (0.077 R)
• M10: 7,497,247 km (0.106 R)
• M11: 8,276,502 km (0.098 R)
• M12: 8,912,144 km (0.096 R)
• M13: 9,891,411 km (0.11 R)
• M14: 10,425,326 km (0.044 R)
• M15: 12,264,333 km (0.086 R)
• M16: 14,176,343 km (0.088 R)
• M17: 15,367,740 km (0.064 R)
• M18: 16,279,689 km (0.101 R)
• M19: 16,823,926 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.89 AU - 9.73 AU

Year: 11103 Days

Day: 7 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,687,633 km

• M1: 99,632 km (0.106 R)
• M2: 2,794,937 km (0.093 R)
• M3: 4,824,681 km (0.099 R)
• M4: 5,736,929 km (0.093 R)
• M5: 5,995,135 km (0.1 R)
• M6: 8,154,430 km (0.115 R)
• M7: 10,553,531 km (0.099 R)
• M8: 12,549,466 km (0.076 R)
• M9: 13,522,600 km (0.113 R)
• M10: 16,848,460 km (0.101 R)
• M11: 17,541,098 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.9

Radius: 12

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.09 AU - 10.03 AU

Year: 12551 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,687,633 km

• M1: 149,448 km (0.058 R)
• M2: 727,494 km (0.115 R)
• M3: 1,105,827 km (0.102 R)
• M4: 1,600,548 km (0.096 R)
• M5: 1,978,432 km (0.118 R)
• M6: 2,458,491 km (0.103 R)
• M7: 3,114,029 km (0.048 R)
• M8: 3,528,864 km (0.078 R)
• M9: 4,180,064 km (0.063 R)
• M10: 5,402,129 km (0.096 R)
• M11: 6,485,816 km (0.116 R)
• M12: 9,184,412 km (0.1 R)
• M13: 12,991,827 km (0.083 R)
• M14: 17,472,283 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 6.3

Gravity: 21.88 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 10.95 AU - 14.61 AU

Year: 19399 Days

Day: 20.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,687,633 km

• M1: 81,531 km (0.114 R)
• M2: 344,973 km (0.075 R)
• M3: 793,318 km (0.119 R)
• M4: 1,754,783 km (0.048 R)
• M5: 2,044,255 km (0.111 R)
• M6: 3,001,681 km (0.117 R)
• M7: 3,331,245 km (0.072 R)
• M8: 3,564,169 km (0.096 R)
• M9: 4,536,555 km (0.116 R)
• M10: 16,051,552 km (0.115 R)
• M11: 16,718,160 km (0.044 R)
• M12: 18,828,687 km (0.099 R)
• M13: 19,382,947 km (0.072 R)
• M14: 24,214,211 km (0.102 R)
• M15: 29,915,535 km (0.08 R)
• M16: 33,275,802 km (0.072 R)
• M17: 35,884,640 km (0.059 R)
• M18: 37,166,693 km (0.042 R)
• M19: 39,520,765 km (0.105 R)
• M20: 44,037,724 km (0.089 R)
• M21: 44,523,767 km (0.099 R)
• M22: 59,629,562 km (0.09 R)
• M23: 60,224,363 km (0.076 R)
• M24: 60,623,191 km (0.065 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: 368 - 18,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit