🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.81 AU - 1.05 AU

Year: 338 Days

Day: 34.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.09 AU - 1.09 AU

Year: 429 Days

Day: 14.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 53,742,041 km

• M1: 459,565 km (0.115 R)
• M2: 658,380 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.09 AU - 1.45 AU

Year: 539 Days

Day: 42.9 Hours

Environment

Temp: -31 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.06 AU - 1.5 AU

Year: 546 Days

Day: 40.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.51 AU - 2.91 AU

Year: 1681 Days

Day: 19.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.45 AU - 3.07 AU

Year: 1727 Days

Day: 13.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 12.2

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.64 AU - 9.66 AU

Year: 8765 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,742,041 km

• M1: 155,283 km (0.066 R)
• M2: 546,780 km (0.068 R)
• M3: 1,329,177 km (0.065 R)
• M4: 1,961,527 km (0.093 R)
• M5: 2,626,639 km (0.106 R)
• M6: 3,291,452 km (0.079 R)
• M7: 4,283,735 km (0.11 R)
• M8: 5,823,097 km (0.102 R)
• M9: 11,004,270 km (0.07 R)
• M10: 11,821,523 km (0.082 R)
• M11: 29,328,513 km (0.07 R)
• M12: 30,337,700 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.5 AU - 11.04 AU

Year: 10633 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,742,041 km

• M1: 111,899 km (0.113 R)
• M2: 412,441 km (0.108 R)
• M3: 824,284 km (0.109 R)
• M4: 1,340,696 km (0.084 R)
• M5: 2,565,155 km (0.102 R)
• M6: 3,303,869 km (0.11 R)
• M7: 4,858,340 km (0.089 R)
• M8: 5,279,309 km (0.113 R)
• M9: 5,781,659 km (0.075 R)
• M10: 6,285,205 km (0.074 R)
• M11: 9,253,077 km (0.057 R)
• M12: 9,613,907 km (0.071 R)
• M13: 9,984,012 km (0.119 R)
• M14: 11,979,648 km (0.07 R)
• M15: 14,654,757 km (0.073 R)
• M16: 15,311,492 km (0.115 R)
• M17: 16,391,439 km (0.047 R)
• M18: 18,323,645 km (0.105 R)
• M19: 21,221,954 km (0.073 R)
• M20: 25,335,147 km (0.074 R)
• M21: 26,440,825 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.4

Radius: 6.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 17.45 AU - 20.65 AU

Year: 31323 Days

Day: 16.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,742,041 km

• M1: 77,492 km (0.083 R)
• M2: 519,404 km (0.12 R)
• M3: 738,565 km (0.026 R)
• M4: 977,472 km (0.092 R)
• M5: 1,526,048 km (0.05 R)
• M6: 2,338,813 km (0.085 R)
• M7: 2,998,689 km (0.072 R)
• M8: 4,711,136 km (0.082 R)
• M9: 5,403,475 km (0.095 R)
• M10: 6,947,475 km (0.097 R)
• M11: 8,669,047 km (0.072 R)
• M12: 9,350,914 km (0.05 R)
• M13: 13,495,822 km (0.059 R)
• M14: 14,544,354 km (0.085 R)
• M15: 15,296,083 km (0.103 R)
• M16: 18,014,875 km (0.058 R)
• M17: 19,284,362 km (0.069 R)
• M18: 20,527,670 km (0.088 R)
• M19: 28,071,891 km (0.115 R)
• M20: 33,150,589 km (0.108 R)
• M21: 35,293,878 km (0.107 R)
• M22: 37,401,412 km (0.094 R)
• M23: 43,382,335 km (0.11 R)
• M24: 44,366,390 km (0.043 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 20,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit