🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.12 AU - 1.44 AU

Year: 514 Days

Day: 40.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 26,379,991 km

• M1: 751,430 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.92 AU - 2.76 AU

Year: 1270 Days

Day: 43 Hours

Environment

Temp: -62 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,379,991 km

• M1: 33,061 km (0.073 R)
• M2: 91,255 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.94 AU - 2.94 AU

Year: 1788 Days

Day: 12.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.37 AU - 3.73 AU

Year: 1890 Days

Day: 39.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.27 AU - 5.53 AU

Year: 3848 Days

Day: 20.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,379,991 km

• M1: 2,025,406 km (0.09 R)

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.6

Radius: 10.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.47 AU - 6.69 AU

Year: 5319 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,379,991 km

• M1: 161,267 km (0.059 R)
• M2: 646,861 km (0.051 R)
• M3: 1,523,505 km (0.051 R)
• M4: 3,443,743 km (0.055 R)
• M5: 7,776,696 km (0.083 R)
• M6: 9,446,358 km (0.099 R)
• M7: 9,986,855 km (0.104 R)
• M8: 13,722,463 km (0.066 R)
• M9: 14,466,563 km (0.105 R)
• M10: 18,897,053 km (0.107 R)
• M11: 19,384,593 km (0.118 R)
• M12: 20,257,945 km (0.11 R)
• M13: 21,749,436 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 14.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.38 AU - 7.48 AU

Year: 6472 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,379,991 km

• M1: 175,478 km (0.099 R)
• M2: 1,554,920 km (0.071 R)
• M3: 2,933,764 km (0.095 R)
• M4: 3,664,998 km (0.093 R)
• M5: 4,678,225 km (0.075 R)
• M6: 5,903,132 km (0.077 R)
• M7: 6,713,803 km (0.106 R)
• M8: 9,823,793 km (0.094 R)
• M9: 13,391,702 km (0.064 R)
• M10: 17,006,436 km (0.104 R)
• M11: 18,089,075 km (0.102 R)
• M12: 20,541,732 km (0.105 R)
• M13: 24,035,291 km (0.102 R)
• M14: 27,174,004 km (0.108 R)
• M15: 27,722,430 km (0.079 R)
• M16: 29,700,563 km (0.096 R)
• M17: 33,831,259 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.8

Radius: 6.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.91 AU - 14.05 AU

Year: 17558 Days

Day: 15.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,379,991 km

• M1: 86,468 km (0.117 R)
• M2: 319,840 km (0.075 R)
• M3: 1,109,268 km (0.102 R)
• M4: 2,355,418 km (0.081 R)
• M5: 3,223,385 km (0.106 R)
• M6: 3,778,543 km (0.099 R)
• M7: 4,643,668 km (0.112 R)
• M8: 5,382,382 km (0.112 R)
• M9: 5,796,020 km (0.102 R)
• M10: 6,162,535 km (0.108 R)
• M11: 6,473,848 km (0.084 R)
• M12: 10,576,719 km (0.044 R)
• M13: 12,993,173 km (0.109 R)
• M14: 14,389,520 km (0.079 R)
• M15: 15,627,293 km (0.075 R)
• M16: 18,740,724 km (0.114 R)
• M17: 19,394,766 km (0.067 R)
• M18: 20,594,989 km (0.079 R)
• M19: 22,405,871 km (0.058 R)
• M20: 26,886,477 km (0.115 R)
• M21: 28,662,204 km (0.075 R)
• M22: 29,335,843 km (0.117 R)
• M23: 32,032,644 km (0.119 R)
• M24: 38,259,805 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.6

Radius: 6.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 19.23 AU - 20.47 AU

Year: 31375 Days

Day: 18.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,379,991 km

• M1: 98,884 km (0.056 R)
• M2: 529,726 km (0.094 R)
• M3: 1,667,268 km (0.096 R)
• M4: 1,922,333 km (0.101 R)
• M5: 2,233,047 km (0.077 R)
• M6: 3,470,072 km (0.103 R)
• M7: 4,065,173 km (0.06 R)
• M8: 4,578,892 km (0.098 R)
• M9: 12,803,932 km (0.117 R)
• M10: 24,985,388 km (0.099 R)
• M11: 26,222,562 km (0.039 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 12,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit