🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.44 AU - 0.66 AU

Year: 156 Days

Day: 34.7 Hours

Environment

Temp: 125 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 187 Days

Day: 13.8 Hours

Environment

Temp: 149 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.7 AU - 0.98 AU

Year: 295 Days

Day: 23.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 2.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.97 AU - 1.35 AU

Year: 478 Days

Day: 47.3 Hours

Environment

Temp: -18 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.33 AU - 2.57 AU

Year: 1468 Days

Day: 21.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,483,527 km

• M1: 80,932 km (0.059 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.42 AU - 3.48 AU

Year: 2454 Days

Day: 31.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,483,527 km

• M1: 190,139 km (0.072 R)

Asteroid Belt

Center: 4.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 10

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.69 AU - 7.31 AU

Year: 6345 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,483,527 km

• M1: 124,465 km (0.069 R)
• M2: 452,982 km (0.07 R)
• M3: 866,321 km (0.052 R)
• M4: 1,544,299 km (0.106 R)
• M5: 2,364,544 km (0.105 R)
• M6: 2,695,454 km (0.12 R)
• M7: 3,361,464 km (0.077 R)
• M8: 4,370,801 km (0.034 R)
• M9: 4,729,836 km (0.115 R)
• M10: 5,320,897 km (0.07 R)
• M11: 5,634,454 km (0.062 R)
• M12: 6,614,619 km (0.088 R)
• M13: 7,239,939 km (0.043 R)
• M14: 12,441,905 km (0.091 R)
• M15: 12,772,816 km (0.081 R)
• M16: 13,109,561 km (0.104 R)
• M17: 13,977,527 km (0.113 R)
• M18: 16,021,483 km (0.111 R)
• M19: 17,975,531 km (0.102 R)
• M20: 18,613,117 km (0.1 R)
• M21: 22,841,201 km (0.119 R)
• M22: 29,777,307 km (0.054 R)
• M23: 30,669,807 km (0.101 R)
• M24: 31,173,354 km (0.108 R)
• M25: 32,508,216 km (0.075 R)
• M26: 33,560,786 km (0.111 R)
• M27: 35,072,174 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 9.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.32 AU - 9.16 AU

Year: 8245 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,483,527 km

• M1: 126,261 km (0.104 R)
• M2: 1,036,264 km (0.099 R)
• M3: 3,532,455 km (0.091 R)
• M4: 4,247,682 km (0.113 R)
• M5: 5,889,219 km (0.094 R)
• M6: 6,194,848 km (0.102 R)
• M7: 7,034,241 km (0.104 R)
• M8: 8,070,955 km (0.104 R)
• M9: 10,593,773 km (0.037 R)
• M10: 11,474,456 km (0.072 R)
• M11: 12,949,940 km (0.095 R)
• M12: 13,468,745 km (0.091 R)
• M13: 14,686,771 km (0.081 R)
• M14: 17,444,907 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 9.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 10.4 AU - 12.28 AU

Year: 14621 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,483,527 km

• M1: 116,986 km (0.116 R)
• M2: 426,055 km (0.118 R)
• M3: 914,791 km (0.119 R)
• M4: 1,291,030 km (0.118 R)
• M5: 1,625,979 km (0.116 R)
• M6: 2,456,547 km (0.081 R)
• M7: 4,079,534 km (0.119 R)
• M8: 4,606,567 km (0.055 R)
• M9: 5,147,214 km (0.064 R)
• M10: 8,908,404 km (0.046 R)
• M11: 9,748,096 km (0.076 R)
• M12: 10,690,713 km (0.05 R)
• M13: 12,357,383 km (0.097 R)
• M14: 16,130,839 km (0.107 R)
• M15: 16,607,757 km (0.088 R)
• M16: 31,817,672 km (0.086 R)
• M17: 33,550,314 km (0.083 R)
• M18: 35,803,558 km (0.082 R)
• M19: 38,275,962 km (0.096 R)
• M20: 39,492,491 km (0.059 R)
• M21: 41,238,598 km (0.099 R)
• M22: 41,746,782 km (0.103 R)
• M23: 42,516,762 km (0.05 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 11,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit