🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.42 AU - 0.62 AU

Year: 134 Days

Day: 47.7 Hours

Environment

Temp: 210 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,143,590 km

• M1: 70,461 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.55 AU - 0.81 AU

Year: 201 Days

Day: 43.7 Hours

Environment

Temp: 193 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.75 AU - 0.85 AU

Year: 256 Days

Day: 33.2 Hours

Environment

Temp: 99 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 8.3

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.61 AU - 6.45 AU

Year: 4658 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,143,590 km

• M1: 113,395 km (0.076 R)
• M2: 438,471 km (0.093 R)
• M3: 783,594 km (0.084 R)
• M4: 1,183,618 km (0.103 R)
• M5: 1,587,981 km (0.112 R)
• M6: 2,317,271 km (0.112 R)
• M7: 2,622,600 km (0.091 R)
• M8: 3,571,350 km (0.118 R)
• M9: 4,549,122 km (0.119 R)
• M10: 5,142,427 km (0.101 R)
• M11: 5,516,721 km (0.09 R)
• M12: 6,033,282 km (0.072 R)
• M13: 7,128,189 km (0.077 R)
• M14: 9,155,390 km (0.119 R)
• M15: 9,836,060 km (0.113 R)
• M16: 10,641,794 km (0.104 R)
• M17: 13,592,163 km (0.089 R)
• M18: 14,085,687 km (0.119 R)
• M19: 14,704,872 km (0.075 R)
• M20: 16,363,165 km (0.062 R)
• M21: 19,906,689 km (0.096 R)
• M22: 20,329,453 km (0.108 R)
• M23: 26,385,474 km (0.094 R)
• M24: 28,913,229 km (0.082 R)
• M25: 29,637,881 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 11.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.72 AU - 6.76 AU

Year: 4925 Days

Day: 12.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,143,590 km

• M1: 145,708 km (0.079 R)
• M2: 518,805 km (0.068 R)
• M3: 1,125,874 km (0.086 R)
• M4: 2,120,550 km (0.091 R)
• M5: 3,246,124 km (0.097 R)
• M6: 3,692,375 km (0.087 R)
• M7: 4,912,644 km (0.102 R)
• M8: 5,672,602 km (0.117 R)
• M9: 6,231,798 km (0.027 R)
• M10: 8,060,333 km (0.082 R)
• M11: 10,962,831 km (0.095 R)
• M12: 11,973,514 km (0.034 R)
• M13: 12,796,153 km (0.116 R)
• M14: 13,348,319 km (0.108 R)
• M15: 15,211,560 km (0.057 R)
• M16: 15,717,500 km (0.088 R)
• M17: 16,409,540 km (0.113 R)
• M18: 18,735,488 km (0.046 R)
• M19: 19,513,546 km (0.038 R)
• M20: 24,411,979 km (0.072 R)
• M21: 26,372,309 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 10

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.76 AU - 7 AU

Year: 6463 Days

Day: 9.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,143,590 km

• M1: 124,316 km (0.079 R)
• M2: 879,785 km (0.103 R)
• M3: 1,214,286 km (0.088 R)
• M4: 1,558,660 km (0.086 R)
• M5: 2,757,687 km (0.089 R)
• M6: 3,933,526 km (0.104 R)
• M7: 4,306,025 km (0.091 R)
• M8: 4,922,817 km (0.082 R)
• M9: 5,597,653 km (0.059 R)
• M10: 6,299,566 km (0.12 R)
• M11: 7,387,143 km (0.056 R)
• M12: 8,112,842 km (0.112 R)
• M13: 9,485,552 km (0.066 R)
• M14: 10,576,869 km (0.116 R)
• M15: 14,122,338 km (0.047 R)
• M16: 15,542,770 km (0.114 R)
• M17: 16,733,120 km (0.11 R)
• M18: 17,848,821 km (0.089 R)
• M19: 20,520,938 km (0.101 R)
• M20: 21,721,910 km (0.111 R)
• M21: 22,339,600 km (0.038 R)
• M22: 26,644,428 km (0.037 R)
• M23: 30,694,342 km (0.119 R)
• M24: 33,782,341 km (0.076 R)
• M25: 35,667,274 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 12.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.53 AU - 9.13 AU

Year: 7108 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,143,590 km

• M1: 160,369 km (0.116 R)
• M2: 1,048,831 km (0.093 R)
• M3: 1,670,559 km (0.089 R)
• M4: 2,104,842 km (0.056 R)
• M5: 2,513,543 km (0.027 R)
• M6: 3,228,023 km (0.113 R)
• M7: 4,563,034 km (0.067 R)
• M8: 7,586,856 km (0.025 R)
• M9: 8,027,123 km (0.101 R)
• M10: 8,959,267 km (0.064 R)
• M11: 10,491,299 km (0.062 R)
• M12: 13,422,968 km (0.071 R)
• M13: 14,510,993 km (0.051 R)
• M14: 15,364,898 km (0.071 R)
• M15: 19,868,692 km (0.082 R)
• M16: 21,498,411 km (0.069 R)
• M17: 22,759,072 km (0.081 R)
• M18: 26,001,756 km (0.109 R)
• M19: 30,726,505 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.9

Radius: 12.4

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.19 AU - 11.97 AU

Year: 12325 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,143,590 km

• M1: 163,211 km (0.095 R)
• M2: 589,565 km (0.085 R)
• M3: 1,877,752 km (0.083 R)
• M4: 3,468,427 km (0.043 R)
• M5: 4,743,150 km (0.085 R)
• M6: 5,762,660 km (0.073 R)
• M7: 8,195,570 km (0.091 R)
• M8: 10,565,798 km (0.117 R)
• M9: 14,266,251 km (0.099 R)
• M10: 16,436,767 km (0.095 R)
• M11: 18,107,177 km (0.106 R)
• M12: 19,482,430 km (0.12 R)
• M13: 24,571,301 km (0.08 R)
• M14: 25,044,778 km (0.069 R)
• M15: 27,000,471 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 13.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.53 AU - 12.27 AU

Year: 13786 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,143,590 km

• M1: 167,101 km (0.086 R)
• M2: 804,837 km (0.098 R)
• M3: 1,277,267 km (0.054 R)
• M4: 1,851,423 km (0.056 R)
• M5: 3,188,529 km (0.059 R)
• M6: 3,870,845 km (0.09 R)
• M7: 4,988,341 km (0.119 R)
• M8: 5,491,738 km (0.086 R)
• M9: 9,693,194 km (0.12 R)
• M10: 13,438,526 km (0.03 R)
• M11: 18,390,964 km (0.068 R)
• M12: 19,422,292 km (0.116 R)
• M13: 24,751,267 km (0.073 R)
• M14: 26,436,487 km (0.078 R)
• M15: 29,800,644 km (0.074 R)
• M16: 32,442,243 km (0.089 R)
• M17: 41,298,886 km (0.101 R)
• M18: 53,004,022 km (0.088 R)
• M19: 55,619,292 km (0.083 R)
• M20: 58,502,491 km (0.096 R)
• M21: 65,549,000 km (0.05 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 16,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit