🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.4

Radius: 11.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 5.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,285,447 km

• M1: 143,016 km (0.095 R)
• M2: 547,678 km (0.108 R)
• M3: 1,039,107 km (0.08 R)
• M4: 1,478,925 km (0.072 R)
• M5: 2,259,077 km (0.102 R)
• M6: 2,803,165 km (0.116 R)
• M7: 3,962,997 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.3

Radius: 9.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.56 AU - 0.64 AU

Year: 310 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,285,447 km

• M1: 114,742 km (0.113 R)
• M2: 528,679 km (0.07 R)
• M3: 1,069,625 km (0.066 R)
• M4: 1,424,770 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 14.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.35 AU - 1.79 AU

Year: 1312 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,285,447 km

• M1: 179,069 km (0.066 R)
• M2: 657,931 km (0.109 R)
• M3: 1,132,007 km (0.117 R)
• M4: 2,024,059 km (0.102 R)
• M5: 2,756,939 km (0.077 R)
• M6: 3,619,969 km (0.099 R)
• M7: 4,238,856 km (0.093 R)
• M8: 4,979,814 km (0.11 R)
• M9: 6,140,993 km (0.106 R)
• M10: 7,136,267 km (0.091 R)
• M11: 7,708,180 km (0.07 R)
• M12: 8,384,961 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 8.7

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.6 AU - 2.2 AU

Year: 1746 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,285,447 km

• M1: 140,772 km (0.116 R)
• M2: 638,334 km (0.068 R)
• M3: 1,574,667 km (0.109 R)
• M4: 2,090,181 km (0.107 R)
• M5: 2,448,169 km (0.094 R)
• M6: 2,757,986 km (0.081 R)
• M7: 3,543,525 km (0.106 R)
• M8: 4,113,044 km (0.068 R)
• M9: 4,784,888 km (0.118 R)
• M10: 5,295,017 km (0.056 R)
• M11: 5,575,363 km (0.105 R)
• M12: 6,371,822 km (0.04 R)
• M13: 6,824,655 km (0.078 R)
• M14: 7,500,538 km (0.06 R)
• M15: 8,097,284 km (0.104 R)
• M16: 9,762,308 km (0.089 R)
• M17: 11,604,756 km (0.06 R)
• M18: 13,975,134 km (0.116 R)
• M19: 15,156,658 km (0.104 R)
• M20: 16,109,746 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.4

Radius: 9.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.86 AU - 2.9 AU

Year: 2448 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,285,447 km

• M1: 118,182 km (0.098 R)
• M2: 427,401 km (0.112 R)
• M3: 835,953 km (0.098 R)
• M4: 1,258,118 km (0.083 R)
• M5: 1,722,021 km (0.037 R)
• M6: 2,856,571 km (0.043 R)
• M7: 3,154,421 km (0.068 R)
• M8: 5,749,794 km (0.062 R)
• M9: 6,830,938 km (0.068 R)
• M10: 10,481,276 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.1

Radius: 13.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.34 AU - 2.56 AU

Year: 2557 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,285,447 km

• M1: 172,038 km (0.104 R)
• M2: 649,404 km (0.03 R)
• M3: 1,553,125 km (0.088 R)
• M4: 2,489,009 km (0.078 R)
• M5: 3,091,440 km (0.111 R)
• M6: 3,707,484 km (0.108 R)
• M7: 4,204,598 km (0.049 R)
• M8: 4,746,292 km (0.077 R)
• M9: 5,292,324 km (0.113 R)
• M10: 5,948,011 km (0.097 R)
• M11: 6,414,906 km (0.104 R)
• M12: 7,609,595 km (0.112 R)
• M13: 8,768,679 km (0.112 R)
• M14: 9,437,531 km (0.1 R)
• M15: 11,542,673 km (0.075 R)
• M16: 12,496,957 km (0.103 R)
• M17: 12,954,727 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.5

Radius: 4.4

Gravity: 48.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.14 AU - 10.88 AU

Year: 19557 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,285,447 km

• M1: 54,902 km (0.119 R)
• M2: 264,040 km (0.074 R)
• M3: 421,866 km (0.073 R)
• M4: 782,247 km (0.114 R)
• M5: 1,568,833 km (0.11 R)
• M6: 2,392,968 km (0.118 R)
• M7: 3,155,917 km (0.09 R)
• M8: 3,442,845 km (0.099 R)
• M9: 5,749,196 km (0.026 R)
• M10: 6,265,308 km (0.092 R)
• M11: 6,489,256 km (0.111 R)
• M12: 7,894,728 km (0.098 R)
• M13: 9,786,842 km (0.058 R)
• M14: 10,965,973 km (0.083 R)
• M15: 11,357,171 km (0.056 R)
• M16: 12,098,429 km (0.104 R)
• M17: 13,306,731 km (0.093 R)
• M18: 14,360,348 km (0.065 R)
• M19: 17,235,619 km (0.12 R)
• M20: 17,498,613 km (0.045 R)
• M21: 20,866,360 km (0.108 R)
• M22: 21,567,824 km (0.12 R)
• M23: 24,752,613 km (0.109 R)
• M24: 27,278,125 km (0.073 R)
• M25: 31,379,949 km (0.095 R)
• M26: 37,463,196 km (0.08 R)
• M27: 40,470,562 km (0.097 R)
• M28: 40,935,064 km (0.108 R)
• M29: 41,559,934 km (0.045 R)
• M30: 46,451,036 km (0.032 R)
• M31: 50,094,044 km (0.066 R)
• M32: 61,135,264 km (0.074 R)
• M33: 77,673,608 km (0.033 R)
• M34: 81,303,900 km (0.08 R)
• M35: 81,796,226 km (0.06 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 19,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit