🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.54 AU - 0.64 AU

Year: 196 Days

Day: 31.7 Hours

Environment

Temp: 31 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.55 AU - 0.81 AU

Year: 243 Days

Day: 24.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,346,677 km

• M1: 37,549 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.69 AU - 0.93 AU

Year: 316 Days

Day: 35 Hours

Environment

Temp: -42 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.91 AU - 1.03 AU

Year: 414 Days

Day: 18.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.54 AU - 1.6 AU

Year: 853 Days

Day: 24.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,346,677 km

• M1: 141,520 km (0.059 R)
• M2: 942,167 km (0.06 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.65 AU - 2.11 AU

Year: 1117 Days

Day: 38.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,346,677 km

• M1: 169,644 km (0.104 R)
• M2: 641,476 km (0.117 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.81 AU - 2.85 AU

Year: 1542 Days

Day: 25.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283

Radius: 10.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.04 AU - 3.6 AU

Year: 2622 Days

Day: 9.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,346,677 km

• M1: 134,937 km (0.09 R)
• M2: 595,998 km (0.088 R)
• M3: 1,155,195 km (0.032 R)
• M4: 2,255,337 km (0.11 R)
• M5: 2,789,851 km (0.088 R)
• M6: 5,475,731 km (0.066 R)
• M7: 6,296,874 km (0.118 R)
• M8: 6,879,707 km (0.119 R)
• M9: 9,742,711 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 8.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.59 AU - 7.93 AU

Year: 9370 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,346,677 km

• M1: 107,262 km (0.105 R)
• M2: 390,301 km (0.105 R)
• M3: 766,988 km (0.048 R)
• M4: 3,185,687 km (0.113 R)
• M5: 4,638,132 km (0.092 R)
• M6: 6,487,461 km (0.106 R)
• M7: 6,937,452 km (0.084 R)
• M8: 7,632,483 km (0.108 R)
• M9: 8,332,901 km (0.09 R)
• M10: 9,683,021 km (0.068 R)
• M11: 9,951,550 km (0.056 R)
• M12: 10,644,786 km (0.068 R)
• M13: 11,419,254 km (0.064 R)
• M14: 12,757,258 km (0.067 R)
• M15: 13,243,899 km (0.052 R)
• M16: 14,311,729 km (0.117 R)
• M17: 16,745,836 km (0.037 R)
• M18: 17,859,293 km (0.101 R)
• M19: 27,071,979 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.7

Radius: 3.5

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 13.31 AU - 18.19 AU

Year: 27095 Days

Day: 15.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,346,677 km

• M1: 47,123 km (0.09 R)
• M2: 373,695 km (0.113 R)
• M3: 539,300 km (0.116 R)
• M4: 735,124 km (0.111 R)
• M5: 1,499,120 km (0.078 R)
• M6: 1,788,443 km (0.052 R)
• M7: 2,836,525 km (0.065 R)
• M8: 3,631,339 km (0.079 R)
• M9: 4,564,381 km (0.112 R)
• M10: 4,940,170 km (0.089 R)
• M11: 7,010,306 km (0.081 R)
• M12: 9,345,828 km (0.061 R)
• M13: 10,209,456 km (0.055 R)
• M14: 11,404,294 km (0.069 R)
• M15: 12,568,764 km (0.042 R)
• M16: 14,460,280 km (0.117 R)
• M17: 26,607,328 km (0.113 R)
• M18: 28,227,024 km (0.066 R)
• M19: 29,484,095 km (0.116 R)
• M20: 37,194,818 km (0.034 R)
• M21: 48,182,033 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 11,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit