🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.79 AU - 0.87 AU

Year: 216 Days

Day: 27.1 Hours

Environment

Temp: 324 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1 AU - 1.16 AU

Year: 321 Days

Day: 18.1 Hours

Environment

Temp: 208 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,087,913 km

• M1: 495,468 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.04 AU - 1.18 AU

Year: 335 Days

Day: 20.2 Hours

Environment

Temp: 247 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.91 AU - 3.03 AU

Year: 1111 Days

Day: 31 Hours

Environment

Temp: 32 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.82 AU - 3.66 AU

Year: 1668 Days

Day: 33.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.56 AU - 4.7 AU

Year: 2401 Days

Day: 16.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 9.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 14.07 AU - 19.95 AU

Year: 20070 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 109,087,913 km

• M1: 137,331 km (0.104 R)
• M2: 4,379,777 km (0.112 R)
• M3: 5,561,899 km (0.11 R)
• M4: 5,999,922 km (0.118 R)
• M5: 6,382,294 km (0.079 R)
• M6: 7,410,031 km (0.088 R)
• M7: 7,986,432 km (0.076 R)
• M8: 8,402,613 km (0.112 R)
• M9: 11,269,357 km (0.117 R)
• M10: 13,399,930 km (0.086 R)
• M11: 19,583,558 km (0.084 R)
• M12: 22,096,503 km (0.084 R)
• M13: 29,468,387 km (0.117 R)
• M14: 32,521,380 km (0.107 R)
• M15: 34,305,485 km (0.119 R)
• M16: 38,983,859 km (0.119 R)
• M17: 42,654,691 km (0.044 R)
• M18: 46,253,268 km (0.1 R)
• M19: 49,583,167 km (0.047 R)
• M20: 49,893,583 km (0.076 R)
• M21: 51,783,453 km (0.06 R)

Asteroid Belt

Center: 19.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 21.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.1

Radius: 5.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 21.77 AU - 21.81 AU

Year: 29099 Days

Day: 20.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 109,087,913 km

• M1: 603,927 km (0.081 R)
• M2: 976,575 km (0.1 R)
• M3: 1,682,228 km (0.106 R)
• M4: 2,702,785 km (0.112 R)
• M5: 3,270,957 km (0.056 R)
• M6: 3,468,576 km (0.118 R)
• M7: 5,084,233 km (0.088 R)
• M8: 6,780,972 km (0.087 R)
• M9: 9,803,747 km (0.1 R)
• M10: 10,693,256 km (0.116 R)
• M11: 13,305,534 km (0.043 R)
• M12: 21,331,310 km (0.069 R)
• M13: 21,588,918 km (0.075 R)
• M14: 29,142,862 km (0.079 R)
• M15: 36,911,180 km (0.048 R)
• M16: 46,815,008 km (0.095 R)
• M17: 49,466,032 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 24.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.9

Radius: 4.9

Gravity: 27.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 23.8 AU - 25.42 AU

Year: 34927 Days

Day: 20.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 109,087,913 km

• M1: 60,886 km (0.092 R)
• M2: 428,897 km (0.038 R)
• M3: 1,370,167 km (0.071 R)
• M4: 3,700,902 km (0.059 R)
• M5: 4,233,769 km (0.089 R)
• M6: 9,930,007 km (0.049 R)
• M7: 11,671,925 km (0.083 R)
• M8: 16,109,447 km (0.09 R)
• M9: 17,228,738 km (0.062 R)
• M10: 19,003,418 km (0.116 R)
• M11: 20,896,279 km (0.111 R)
• M12: 59,299,549 km (0.086 R)
• M13: 60,615,860 km (0.103 R)
• M14: 63,762,951 km (0.105 R)
• M15: 65,376,513 km (0.082 R)
• M16: 72,600,744 km (0.115 R)
• M17: 73,351,127 km (0.087 R)
• M18: 79,276,998 km (0.098 R)
• M19: 86,911,576 km (0.069 R)
• M20: 91,196,208 km (0.043 R)

Kuiper Belt

Range: 38.3 - 65.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 13,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit