🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 13.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.88 AU - 0.94 AU

Year: 599 Days

Day: 10.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,392,503 km

• M1: 172,935 km (0.059 R)
• M2: 768,185 km (0.077 R)
• M3: 1,466,059 km (0.113 R)
• M4: 2,075,820 km (0.077 R)
• M5: 2,556,029 km (0.111 R)
• M6: 3,038,931 km (0.119 R)
• M7: 3,582,869 km (0.106 R)
• M8: 4,327,567 km (0.117 R)
• M9: 4,868,812 km (0.094 R)
• M10: 5,473,188 km (0.114 R)
• M11: 6,728,912 km (0.056 R)
• M12: 7,480,642 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 13.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.83 AU - 1.35 AU

Year: 786 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,392,503 km

• M1: 167,250 km (0.037 R)
• M2: 678,726 km (0.098 R)
• M3: 1,403,228 km (0.102 R)
• M4: 2,105,291 km (0.069 R)
• M5: 3,130,485 km (0.086 R)
• M6: 5,182,220 km (0.091 R)
• M7: 5,936,193 km (0.093 R)
• M8: 6,636,610 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 13.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.18 AU - 1.72 AU

Year: 1205 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,392,503 km

• M1: 165,455 km (0.109 R)
• M2: 609,013 km (0.097 R)
• M3: 1,079,498 km (0.09 R)
• M4: 1,540,708 km (0.09 R)
• M5: 2,071,781 km (0.106 R)
• M6: 3,072,291 km (0.099 R)
• M7: 3,588,554 km (0.101 R)
• M8: 4,759,456 km (0.072 R)
• M9: 5,208,699 km (0.097 R)
• M10: 8,334,995 km (0.092 R)
• M11: 8,816,551 km (0.108 R)
• M12: 9,316,656 km (0.1 R)
• M13: 9,866,877 km (0.028 R)
• M14: 10,438,640 km (0.062 R)
• M15: 12,036,495 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.1

Radius: 13.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.19 AU - 1.75 AU

Year: 1230 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,392,503 km

• M1: 171,589 km (0.109 R)
• M2: 616,792 km (0.039 R)
• M3: 1,136,046 km (0.115 R)
• M4: 1,620,145 km (0.038 R)
• M5: 2,300,815 km (0.118 R)
• M6: 3,181,348 km (0.087 R)
• M7: 4,223,297 km (0.071 R)
• M8: 5,090,217 km (0.04 R)
• M9: 6,325,596 km (0.039 R)
• M10: 7,001,629 km (0.039 R)
• M11: 7,698,755 km (0.107 R)
• M12: 8,133,337 km (0.115 R)
• M13: 8,933,835 km (0.055 R)
• M14: 10,167,718 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 9.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.46 AU - 2 AU

Year: 1571 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,392,503 km

• M1: 122,670 km (0.07 R)
• M2: 769,531 km (0.037 R)
• M3: 1,156,392 km (0.092 R)
• M4: 1,532,929 km (0.113 R)
• M5: 2,171,413 km (0.119 R)
• M6: 2,752,601 km (0.038 R)
• M7: 3,125,249 km (0.086 R)
• M8: 3,781,535 km (0.075 R)
• M9: 4,546,578 km (0.041 R)
• M10: 4,925,061 km (0.088 R)
• M11: 5,632,659 km (0.109 R)
• M12: 6,431,212 km (0.102 R)
• M13: 7,739,895 km (0.079 R)
• M14: 8,576,147 km (0.05 R)
• M15: 8,908,553 km (0.086 R)
• M16: 9,728,798 km (0.111 R)
• M17: 10,529,895 km (0.105 R)
• M18: 10,876,513 km (0.116 R)
• M19: 11,628,990 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 11.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.57 AU - 2.09 AU

Year: 1709 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,392,503 km

• M1: 138,079 km (0.047 R)
• M2: 484,996 km (0.085 R)
• M3: 1,312,721 km (0.116 R)
• M4: 2,630,978 km (0.118 R)
• M5: 3,112,832 km (0.088 R)
• M6: 4,182,756 km (0.111 R)
• M7: 5,396,893 km (0.095 R)
• M8: 7,425,141 km (0.031 R)
• M9: 10,375,959 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 8.4

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.88 AU - 2.1 AU

Year: 1938 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,392,503 km

• M1: 104,419 km (0.109 R)
• M2: 446,849 km (0.106 R)
• M3: 902,973 km (0.093 R)
• M4: 1,243,607 km (0.055 R)
• M5: 1,539,811 km (0.041 R)
• M6: 2,032,437 km (0.091 R)
• M7: 2,407,927 km (0.079 R)
• M8: 2,697,848 km (0.12 R)
• M9: 3,089,196 km (0.077 R)
• M10: 3,382,109 km (0.119 R)
• M11: 3,693,571 km (0.084 R)
• M12: 4,354,345 km (0.108 R)
• M13: 4,937,777 km (0.111 R)
• M14: 5,525,397 km (0.119 R)
• M15: 6,388,876 km (0.111 R)
• M16: 7,058,776 km (0.107 R)
• M17: 8,506,584 km (0.078 R)
• M18: 9,250,384 km (0.109 R)
• M19: 12,705,198 km (0.096 R)
• M20: 13,893,753 km (0.044 R)
• M21: 14,695,896 km (0.077 R)
• M22: 16,197,859 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 20,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit