🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.65 AU - 0.75 AU

Year: 210 Days

Day: 40.7 Hours

Environment

Temp: 167 °C

Axial Tilt: 0.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.75 AU - 0.87 AU

Year: 261 Days

Day: 28.1 Hours

Environment

Temp: 192 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.14 AU - 1.34 AU

Year: 495 Days

Day: 46.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.48 AU - 2.62 AU

Year: 1458 Days

Day: 25.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,892,391 km

• M1: 97,538 km (0.118 R)
• M2: 141,669 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.27 AU - 3.69 AU

Year: 1842 Days

Day: 12.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 9.5

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.43 AU - 8.81 AU

Year: 6804 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,892,391 km

• M1: 137,032 km (0.056 R)
• M2: 498,161 km (0.117 R)
• M3: 821,741 km (0.098 R)
• M4: 1,268,291 km (0.118 R)
• M5: 1,647,671 km (0.067 R)
• M6: 2,639,505 km (0.093 R)
• M7: 4,783,990 km (0.067 R)
• M8: 5,714,639 km (0.092 R)
• M9: 7,051,296 km (0.1 R)
• M10: 7,773,255 km (0.119 R)
• M11: 8,712,131 km (0.112 R)
• M12: 9,012,374 km (0.104 R)
• M13: 10,863,199 km (0.111 R)
• M14: 11,566,907 km (0.103 R)
• M15: 14,931,962 km (0.029 R)
• M16: 16,184,844 km (0.12 R)
• M17: 19,549,001 km (0.11 R)
• M18: 21,823,786 km (0.033 R)
• M19: 24,101,115 km (0.049 R)
• M20: 27,256,134 km (0.077 R)
• M21: 28,742,837 km (0.092 R)
• M22: 37,670,838 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 14.4

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.16 AU - 8.22 AU

Year: 8395 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,892,391 km

• M1: 179,517 km (0.11 R)
• M2: 820,544 km (0.05 R)
• M3: 1,322,894 km (0.107 R)
• M4: 1,860,250 km (0.111 R)
• M5: 2,513,543 km (0.105 R)
• M6: 3,119,265 km (0.088 R)
• M7: 3,760,741 km (0.114 R)
• M8: 5,133,601 km (0.067 R)
• M9: 5,839,254 km (0.105 R)
• M10: 6,579,015 km (0.09 R)
• M11: 7,284,968 km (0.069 R)
• M12: 7,772,357 km (0.119 R)
• M13: 9,633,205 km (0.108 R)
• M14: 10,141,688 km (0.097 R)
• M15: 10,709,412 km (0.095 R)
• M16: 12,176,668 km (0.116 R)
• M17: 16,538,045 km (0.1 R)
• M18: 17,962,216 km (0.112 R)
• M19: 18,976,490 km (0.083 R)
• M20: 20,536,945 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.9

Radius: 6.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 13.23 AU - 14.71 AU

Year: 18701 Days

Day: 15.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,892,391 km

• M1: 77,043 km (0.033 R)
• M2: 357,838 km (0.105 R)
• M3: 958,922 km (0.085 R)
• M4: 1,428,809 km (0.043 R)
• M5: 2,092,425 km (0.09 R)
• M6: 2,858,067 km (0.106 R)
• M7: 3,594,089 km (0.046 R)
• M8: 4,114,390 km (0.113 R)
• M9: 7,092,884 km (0.096 R)
• M10: 7,909,389 km (0.104 R)
• M11: 8,123,015 km (0.096 R)
• M12: 9,534,471 km (0.108 R)
• M13: 9,776,670 km (0.075 R)
• M14: 10,172,506 km (0.086 R)
• M15: 10,996,191 km (0.077 R)
• M16: 11,975,010 km (0.03 R)
• M17: 16,062,623 km (0.102 R)
• M18: 16,823,777 km (0.096 R)
• M19: 18,945,224 km (0.09 R)
• M20: 21,735,374 km (0.106 R)
• M21: 27,232,048 km (0.087 R)
• M22: 29,218,259 km (0.054 R)
• M23: 30,664,721 km (0.087 R)
• M24: 31,512,343 km (0.062 R)
• M25: 33,699,613 km (0.061 R)
• M26: 39,358,003 km (0.092 R)
• M27: 40,107,040 km (0.062 R)
• M28: 41,120,266 km (0.088 R)
• M29: 43,728,206 km (0.113 R)
• M30: 45,481,343 km (0.093 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 18,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit