🌌 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: 790.5

Radius: 12.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.48 AU - 0.56 AU

Year: 250 Days

Day: 11.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,466,004 km

• M1: 150,495 km (0.066 R)
• M2: 675,285 km (0.062 R)
• M3: 1,055,563 km (0.106 R)
• M4: 1,501,514 km (0.064 R)
• M5: 2,007,903 km (0.03 R)
• M6: 2,446,374 km (0.119 R)
• M7: 2,997,044 km (0.111 R)
• M8: 3,530,809 km (0.081 R)
• M9: 4,091,203 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.9

Radius: 13

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.96 AU - 1.3 AU

Year: 801 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,466,004 km

• M1: 161,715 km (0.106 R)
• M2: 582,684 km (0.083 R)
• M3: 1,169,556 km (0.112 R)
• M4: 1,819,110 km (0.105 R)
• M5: 2,248,456 km (0.082 R)
• M6: 2,791,795 km (0.101 R)
• M7: 3,750,568 km (0.115 R)
• M8: 4,176,174 km (0.081 R)
• M9: 4,666,855 km (0.056 R)
• M10: 5,302,945 km (0.097 R)
• M11: 5,899,242 km (0.089 R)
• M12: 6,791,893 km (0.112 R)
• M13: 7,383,104 km (0.09 R)
• M14: 8,008,273 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 13.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.69 AU - 1.75 AU

Year: 1504 Days

Day: 11 Hours

Environment

Temp: -201 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,466,004 km

• M1: 165,455 km (0.082 R)
• M2: 597,943 km (0.089 R)
• M3: 1,057,059 km (0.102 R)
• M4: 1,723,218 km (0.119 R)
• M5: 2,182,633 km (0.086 R)
• M6: 3,464,986 km (0.094 R)
• M7: 4,172,285 km (0.119 R)
• M8: 5,305,638 km (0.076 R)
• M9: 5,808,287 km (0.09 R)
• M10: 6,414,906 km (0.059 R)
• M11: 6,859,511 km (0.098 R)
• M12: 8,405,007 km (0.118 R)
• M13: 9,090,464 km (0.074 R)
• M14: 10,105,935 km (0.119 R)
• M15: 10,743,820 km (0.1 R)
• M16: 12,437,717 km (0.116 R)
• M17: 12,975,072 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 11.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.1 AU - 3.7 AU

Year: 4181 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,466,004 km

• M1: 153,936 km (0.086 R)
• M2: 511,176 km (0.089 R)
• M3: 3,368,794 km (0.089 R)
• M4: 4,977,420 km (0.087 R)
• M5: 6,245,412 km (0.119 R)
• M6: 7,457,304 km (0.112 R)
• M7: 7,816,638 km (0.106 R)
• M8: 10,063,449 km (0.054 R)
• M9: 10,748,158 km (0.096 R)
• M10: 13,036,407 km (0.108 R)
• M11: 13,463,060 km (0.108 R)
• M12: 15,159,949 km (0.079 R)
• M13: 18,614,014 km (0.116 R)
• M14: 19,094,971 km (0.114 R)
• M15: 19,831,741 km (0.043 R)
• M16: 20,843,621 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.9

Radius: 13

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.45 AU - 6.23 AU

Year: 8229 Days

Day: 11.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,466,004 km

• M1: 161,865 km (0.03 R)
• M2: 750,832 km (0.054 R)
• M3: 1,378,544 km (0.099 R)
• M4: 2,538,227 km (0.069 R)
• M5: 2,963,534 km (0.03 R)
• M6: 3,668,439 km (0.113 R)
• M7: 4,086,864 km (0.117 R)
• M8: 5,169,654 km (0.086 R)
• M9: 5,794,973 km (0.108 R)
• M10: 6,576,023 km (0.088 R)
• M11: 7,160,053 km (0.106 R)
• M12: 13,209,043 km (0.077 R)
• M13: 15,115,668 km (0.063 R)
• M14: 18,381,240 km (0.086 R)
• M15: 19,914,917 km (0.115 R)
• M16: 20,828,811 km (0.042 R)
• M17: 22,171,152 km (0.093 R)
• M18: 22,576,712 km (0.083 R)
• M19: 22,987,209 km (0.098 R)
• M20: 28,405,793 km (0.114 R)
• M21: 30,853,364 km (0.105 R)
• M22: 34,729,295 km (0.083 R)
• M23: 35,718,885 km (0.104 R)
• M24: 36,953,965 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.5

Radius: 7.5

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.02 AU - 13.18 AU

Year: 23014 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,466,004 km

• M1: 118,033 km (0.074 R)
• M2: 416,929 km (0.098 R)
• M3: 1,775,128 km (0.101 R)
• M4: 2,098,409 km (0.108 R)
• M5: 3,311,498 km (0.11 R)
• M6: 4,560,491 km (0.096 R)
• M7: 6,646,334 km (0.083 R)
• M8: 8,718,863 km (0.076 R)
• M9: 10,150,365 km (0.094 R)
• M10: 14,166,170 km (0.079 R)
• M11: 17,726,001 km (0.099 R)
• M12: 18,093,414 km (0.103 R)
• M13: 26,430,952 km (0.093 R)
• M14: 27,640,750 km (0.115 R)
• M15: 36,863,159 km (0.114 R)
• M16: 37,161,607 km (0.113 R)
• M17: 49,196,307 km (0.102 R)
• M18: 61,052,088 km (0.096 R)
• M19: 64,233,735 km (0.088 R)
• M20: 79,799,693 km (0.054 R)
• M21: 84,891,257 km (0.087 R)
• M22: 89,385,925 km (0.031 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 18,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit