🌌 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: 190.7

Radius: 9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.45 AU - 0.59 AU

Year: 259 Days

Day: 5.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,543,130 km

• M1: 113,395 km (0.086 R)
• M2: 539,450 km (0.092 R)
• M3: 934,239 km (0.107 R)
• M4: 1,957,488 km (0.103 R)
• M5: 2,516,685 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 13.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.65 AU - 0.71 AU

Year: 387 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,543,130 km

• M1: 162,912 km (0.094 R)
• M2: 585,526 km (0.092 R)
• M3: 1,029,832 km (0.115 R)
• M4: 1,963,472 km (0.105 R)
• M5: 2,627,537 km (0.114 R)
• M6: 3,287,862 km (0.099 R)
• M7: 3,825,666 km (0.092 R)
• M8: 5,281,104 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 14.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.08 AU - 1.36 AU

Year: 930 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,543,130 km

• M1: 187,297 km (0.084 R)
• M2: 779,255 km (0.106 R)
• M3: 1,551,629 km (0.073 R)
• M4: 2,135,510 km (0.078 R)
• M5: 2,756,790 km (0.092 R)
• M6: 3,511,660 km (0.03 R)
• M7: 4,094,494 km (0.1 R)
• M8: 4,569,168 km (0.079 R)
• M9: 5,117,743 km (0.118 R)
• M10: 5,690,254 km (0.08 R)
• M11: 6,829,292 km (0.049 R)
• M12: 7,841,172 km (0.053 R)
• M13: 8,552,361 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.69 AU - 2.01 AU

Year: 1737 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,543,130 km

• M1: 99,483 km (0.101 R)
• M2: 431,889 km (0.104 R)
• M3: 704,157 km (0.071 R)
• M4: 1,038,808 km (0.115 R)
• M5: 1,300,454 km (0.062 R)
• M6: 1,550,881 km (0.073 R)
• M7: 2,083,001 km (0.119 R)
• M8: 3,379,266 km (0.1 R)
• M9: 3,964,643 km (0.097 R)
• M10: 4,499,306 km (0.109 R)
• M11: 5,250,436 km (0.041 R)
• M12: 5,511,186 km (0.119 R)
• M13: 5,965,065 km (0.102 R)
• M14: 7,289,007 km (0.096 R)
• M15: 8,034,154 km (0.034 R)
• M16: 8,293,556 km (0.071 R)
• M17: 8,768,380 km (0.074 R)
• M18: 9,292,721 km (0.07 R)
• M19: 9,610,766 km (0.053 R)
• M20: 9,969,053 km (0.076 R)
• M21: 11,275,790 km (0.041 R)
• M22: 12,195,368 km (0.11 R)
• M23: 12,848,812 km (0.076 R)
• M24: 13,484,752 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 14.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.19 AU - 2.23 AU

Year: 2268 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,543,130 km

• M1: 179,069 km (0.086 R)
• M2: 727,494 km (0.088 R)
• M3: 1,561,503 km (0.038 R)
• M4: 2,117,259 km (0.106 R)
• M5: 2,978,942 km (0.068 R)
• M6: 3,528,266 km (0.115 R)
• M7: 5,698,183 km (0.114 R)
• M8: 8,182,854 km (0.091 R)
• M9: 8,748,783 km (0.103 R)
• M10: 9,412,100 km (0.086 R)
• M11: 11,158,056 km (0.058 R)
• M12: 12,023,480 km (0.062 R)
• M13: 12,756,360 km (0.066 R)
• M14: 14,840,857 km (0.119 R)
• M15: 17,251,477 km (0.101 R)
• M16: 18,184,519 km (0.096 R)
• M17: 18,977,836 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 14.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.23 AU - 2.55 AU

Year: 2550 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,543,130 km

• M1: 175,329 km (0.096 R)
• M2: 619,934 km (0.081 R)
• M3: 1,108,371 km (0.078 R)
• M4: 1,919,041 km (0.088 R)
• M5: 3,447,333 km (0.048 R)
• M6: 4,270,720 km (0.113 R)
• M7: 5,147,962 km (0.098 R)
• M8: 6,142,489 km (0.112 R)
• M9: 6,653,066 km (0.084 R)
• M10: 8,959,566 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.55 AU - 4.09 AU

Year: 4176 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,543,130 km

• M1: 181,612 km (0.043 R)
• M2: 655,687 km (0.116 R)
• M3: 1,490,444 km (0.061 R)
• M4: 2,538,526 km (0.116 R)
• M5: 3,055,387 km (0.033 R)
• M6: 3,796,345 km (0.112 R)
• M7: 4,305,277 km (0.099 R)
• M8: 5,047,283 km (0.098 R)
• M9: 5,639,391 km (0.095 R)
• M10: 6,305,401 km (0.114 R)
• M11: 7,356,475 km (0.046 R)
• M12: 11,175,260 km (0.04 R)
• M13: 12,099,027 km (0.039 R)
• M14: 14,003,707 km (0.109 R)
• M15: 16,206,087 km (0.11 R)
• M16: 18,400,837 km (0.055 R)
• M17: 19,450,566 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 8.7

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.12 AU - 3.6 AU

Year: 4251 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,543,130 km

• M1: 110,852 km (0.098 R)
• M2: 392,694 km (0.109 R)
• M3: 693,985 km (0.091 R)
• M4: 1,118,693 km (0.045 R)
• M5: 1,425,069 km (0.1 R)
• M6: 1,748,949 km (0.057 R)
• M7: 2,991,957 km (0.105 R)
• M8: 3,507,920 km (0.083 R)
• M9: 4,199,362 km (0.093 R)
• M10: 4,615,543 km (0.101 R)
• M11: 5,194,786 km (0.114 R)
• M12: 5,616,951 km (0.079 R)
• M13: 6,954,955 km (0.074 R)
• M14: 7,433,369 km (0.106 R)
• M15: 8,455,720 km (0.06 R)
• M16: 8,842,730 km (0.085 R)
• M17: 9,322,640 km (0.044 R)
• M18: 11,278,782 km (0.086 R)
• M19: 13,183,013 km (0.115 R)
• M20: 14,401,488 km (0.086 R)
• M21: 15,178,948 km (0.113 R)
• M22: 15,463,184 km (0.055 R)
• M23: 19,692,465 km (0.111 R)
• M24: 20,719,305 km (0.102 R)
• M25: 21,352,403 km (0.079 R)
• M26: 27,474,247 km (0.065 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 18,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit