🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.89 AU - 1.39 AU

Year: 436 Days

Day: 42.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 47.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.1 AU - 3.06 AU

Year: 1484 Days

Day: 16.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,796,664 km

• M1: 2,192,357 km (0.073 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 14.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.08 AU - 7.48 AU

Year: 6323 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,796,664 km

• M1: 217,216 km (0.058 R)
• M2: 878,289 km (0.076 R)
• M3: 2,062,955 km (0.079 R)
• M4: 3,362,063 km (0.119 R)
• M5: 3,873,238 km (0.069 R)
• M6: 5,541,404 km (0.08 R)
• M7: 7,984,487 km (0.109 R)
• M8: 10,991,404 km (0.059 R)
• M9: 12,865,566 km (0.107 R)
• M10: 15,312,090 km (0.107 R)
• M11: 19,262,820 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.26 AU - 8.14 AU

Year: 6919 Days

Day: 8.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,796,664 km

• M1: 187,745 km (0.092 R)
• M2: 681,717 km (0.087 R)
• M3: 1,561,802 km (0.087 R)
• M4: 2,060,112 km (0.056 R)
• M5: 3,453,317 km (0.103 R)
• M6: 4,292,860 km (0.107 R)
• M7: 5,581,347 km (0.115 R)
• M8: 6,607,888 km (0.046 R)
• M9: 7,538,685 km (0.09 R)
• M10: 8,360,427 km (0.095 R)
• M11: 10,405,878 km (0.114 R)
• M12: 13,078,893 km (0.11 R)
• M13: 17,358,888 km (0.074 R)
• M14: 18,001,112 km (0.117 R)
• M15: 18,994,292 km (0.113 R)
• M16: 27,686,527 km (0.086 R)
• M17: 28,475,506 km (0.077 R)
• M18: 30,560,152 km (0.093 R)
• M19: 31,402,987 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.6

Radius: 4.1

Gravity: 27.82 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 13.81 AU - 14.45 AU

Year: 19023 Days

Day: 21.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,796,664 km

• M1: 51,162 km (0.094 R)
• M2: 252,521 km (0.097 R)
• M3: 481,256 km (0.114 R)
• M4: 633,697 km (0.119 R)
• M5: 891,304 km (0.117 R)
• M6: 1,518,418 km (0.041 R)
• M7: 3,951,029 km (0.1 R)
• M8: 5,794,973 km (0.087 R)
• M9: 6,190,061 km (0.089 R)
• M10: 6,859,212 km (0.03 R)
• M11: 7,077,924 km (0.046 R)
• M12: 11,421,349 km (0.07 R)
• M13: 12,424,103 km (0.032 R)
• M14: 15,782,276 km (0.082 R)
• M15: 19,005,661 km (0.098 R)
• M16: 26,715,188 km (0.106 R)
• M17: 38,563,190 km (0.104 R)
• M18: 48,520,424 km (0.102 R)
• M19: 50,303,481 km (0.11 R)
• M20: 50,797,154 km (0.093 R)
• M21: 51,460,471 km (0.108 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 10,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit