🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 12.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.59 AU - 1.67 AU

Year: 1436 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,121,294 km

• M1: 153,188 km (0.117 R)
• M2: 544,237 km (0.115 R)
• M3: 972,237 km (0.111 R)
• M4: 1,626,428 km (0.114 R)
• M5: 2,075,072 km (0.056 R)
• M6: 2,479,585 km (0.049 R)
• M7: 4,089,108 km (0.103 R)
• M8: 4,697,224 km (0.067 R)
• M9: 5,116,696 km (0.097 R)
• M10: 6,617,611 km (0.054 R)
• M11: 8,822,534 km (0.055 R)
• M12: 9,237,519 km (0.115 R)
• M13: 9,958,132 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.51 AU - 1.93 AU

Year: 1557 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,121,294 km

• M1: 145,559 km (0.028 R)
• M2: 740,509 km (0.096 R)
• M3: 1,219,971 km (0.118 R)
• M4: 2,398,951 km (0.087 R)
• M5: 3,245,227 km (0.087 R)
• M6: 4,844,577 km (0.096 R)
• M7: 6,027,149 km (0.067 R)
• M8: 10,763,417 km (0.067 R)
• M9: 13,039,698 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 12.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.62 AU - 2.72 AU

Year: 3011 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,121,294 km

• M1: 150,495 km (0.111 R)
• M2: 555,307 km (0.079 R)
• M3: 1,082,939 km (0.065 R)
• M4: 1,940,434 km (0.119 R)
• M5: 2,687,227 km (0.076 R)
• M6: 3,735,010 km (0.115 R)
• M7: 4,275,956 km (0.067 R)
• M8: 4,964,854 km (0.114 R)
• M9: 6,564,205 km (0.07 R)
• M10: 7,105,151 km (0.073 R)
• M11: 8,106,409 km (0.049 R)
• M12: 8,623,719 km (0.092 R)
• M13: 9,686,313 km (0.088 R)
• M14: 10,793,038 km (0.119 R)
• M15: 11,250,358 km (0.061 R)
• M16: 11,894,676 km (0.103 R)
• M17: 13,023,243 km (0.048 R)
• M18: 15,808,456 km (0.062 R)
• M19: 18,259,019 km (0.05 R)
• M20: 20,952,827 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 11.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.91 AU - 4.17 AU

Year: 4597 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 141.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,121,294 km

• M1: 144,212 km (0.098 R)
• M2: 535,710 km (0.088 R)
• M3: 2,439,343 km (0.099 R)
• M4: 3,390,337 km (0.064 R)
• M5: 4,181,260 km (0.101 R)
• M6: 5,040,251 km (0.072 R)
• M7: 5,927,666 km (0.119 R)
• M8: 6,304,802 km (0.117 R)
• M9: 7,011,353 km (0.093 R)
• M10: 7,634,279 km (0.102 R)
• M11: 8,222,647 km (0.102 R)
• M12: 12,038,141 km (0.087 R)
• M13: 13,769,138 km (0.03 R)
• M14: 16,955,871 km (0.069 R)
• M15: 20,802,930 km (0.078 R)
• M16: 22,158,586 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 12.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3 AU - 4.78 AU

Year: 5296 Days

Day: 13.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,121,294 km

• M1: 162,014 km (0.082 R)
• M2: 664,514 km (0.065 R)
• M3: 2,515,339 km (0.116 R)
• M4: 3,126,147 km (0.111 R)
• M5: 3,600,970 km (0.032 R)
• M6: 4,169,592 km (0.086 R)
• M7: 5,405,270 km (0.025 R)
• M8: 6,244,215 km (0.068 R)
• M9: 7,963,992 km (0.077 R)
• M10: 11,983,537 km (0.094 R)
• M11: 18,742,668 km (0.096 R)
• M12: 19,324,006 km (0.062 R)
• M13: 19,784,468 km (0.047 R)
• M14: 22,341,096 km (0.069 R)
• M15: 24,416,916 km (0.119 R)
• M16: 25,659,326 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 10.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.68 AU - 4.62 AU

Year: 5836 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,121,294 km

• M1: 131,646 km (0.084 R)
• M2: 587,022 km (0.051 R)
• M3: 1,064,538 km (0.114 R)
• M4: 1,399,937 km (0.081 R)
• M5: 1,732,044 km (0.094 R)
• M6: 2,075,072 km (0.12 R)
• M7: 2,416,604 km (0.12 R)
• M8: 2,919,253 km (0.082 R)
• M9: 3,370,590 km (0.067 R)
• M10: 4,000,247 km (0.067 R)
• M11: 4,343,425 km (0.116 R)
• M12: 5,466,157 km (0.03 R)
• M13: 5,977,632 km (0.097 R)
• M14: 6,645,736 km (0.114 R)
• M15: 7,129,386 km (0.084 R)
• M16: 7,810,654 km (0.114 R)
• M17: 8,276,353 km (0.061 R)
• M18: 9,950,203 km (0.076 R)
• M19: 10,844,948 km (0.059 R)
• M20: 12,502,343 km (0.081 R)
• M21: 14,428,565 km (0.103 R)
• M22: 15,855,579 km (0.09 R)
• M23: 18,607,133 km (0.114 R)
• M24: 19,309,495 km (0.08 R)
• M25: 20,029,509 km (0.072 R)
• M26: 20,631,790 km (0.114 R)
• M27: 22,582,995 km (0.092 R)
• M28: 25,268,576 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 11.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.68 AU - 5 AU

Year: 7350 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,121,294 km

• M1: 160,070 km (0.032 R)
• M2: 633,397 km (0.095 R)
• M3: 2,793,740 km (0.067 R)
• M4: 3,512,259 km (0.105 R)
• M5: 4,456,969 km (0.041 R)
• M6: 5,408,561 km (0.117 R)
• M7: 6,114,963 km (0.104 R)
• M8: 6,881,951 km (0.094 R)
• M9: 7,479,146 km (0.065 R)
• M10: 8,523,189 km (0.036 R)
• M11: 9,036,759 km (0.065 R)
• M12: 10,363,692 km (0.086 R)
• M13: 11,049,000 km (0.038 R)
• M14: 12,728,834 km (0.092 R)
• M15: 14,155,250 km (0.044 R)
• M16: 16,392,635 km (0.033 R)
• M17: 16,787,275 km (0.099 R)
• M18: 19,144,638 km (0.029 R)
• M19: 22,918,693 km (0.071 R)
• M20: 25,811,617 km (0.12 R)
• M21: 26,797,467 km (0.1 R)
• M22: 34,628,915 km (0.104 R)
• M23: 36,605,103 km (0.085 R)
• M24: 37,507,178 km (0.067 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 18,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit