🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 10.6

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,910,112 km

• M1: 131,796 km (0.092 R)
• M2: 524,191 km (0.054 R)
• M3: 856,149 km (0.101 R)
• M4: 1,222,663 km (0.101 R)
• M5: 1,714,092 km (0.106 R)
• M6: 2,055,774 km (0.078 R)
• M7: 2,435,603 km (0.081 R)
• M8: 2,774,741 km (0.054 R)
• M9: 3,164,743 km (0.091 R)
• M10: 3,560,280 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 15

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,910,112 km

• M1: 267,780 km (0.089 R)
• M2: 769,232 km (0.062 R)
• M3: 1,608,028 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 9.5

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.77 AU - 1.01 AU

Year: 569 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,910,112 km

• M1: 118,482 km (0.066 R)
• M2: 417,079 km (0.106 R)
• M3: 750,981 km (0.115 R)
• M4: 1,059,602 km (0.074 R)
• M5: 1,400,535 km (0.113 R)
• M6: 1,974,094 km (0.039 R)
• M7: 2,301,414 km (0.119 R)
• M8: 2,997,493 km (0.104 R)
• M9: 4,599,387 km (0.103 R)
• M10: 6,391,569 km (0.116 R)
• M11: 6,929,523 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 12

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.6 AU - 2.32 AU

Year: 1861 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,910,112 km

• M1: 149,299 km (0.11 R)
• M2: 554,111 km (0.035 R)
• M3: 1,250,937 km (0.04 R)
• M4: 1,914,703 km (0.117 R)
• M5: 2,678,101 km (0.08 R)
• M6: 3,372,534 km (0.116 R)
• M7: 3,823,572 km (0.108 R)
• M8: 4,391,296 km (0.08 R)
• M9: 5,077,950 km (0.105 R)
• M10: 6,463,526 km (0.07 R)
• M11: 8,714,974 km (0.105 R)
• M12: 9,472,238 km (0.077 R)
• M13: 9,933,897 km (0.113 R)
• M14: 10,938,297 km (0.117 R)
• M15: 13,891,060 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.2

Radius: 10

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.49 AU - 2.79 AU

Year: 2909 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,910,112 km

• M1: 126,111 km (0.118 R)
• M2: 604,226 km (0.089 R)
• M3: 1,071,719 km (0.086 R)
• M4: 1,420,581 km (0.043 R)
• M5: 1,797,418 km (0.119 R)
• M6: 2,691,864 km (0.07 R)
• M7: 3,220,992 km (0.101 R)
• M8: 3,578,680 km (0.114 R)
• M9: 4,285,680 km (0.111 R)
• M10: 4,602,827 km (0.113 R)
• M11: 4,959,917 km (0.08 R)
• M12: 5,491,139 km (0.093 R)
• M13: 7,507,719 km (0.033 R)
• M14: 11,673,571 km (0.087 R)
• M15: 12,205,092 km (0.066 R)
• M16: 13,799,356 km (0.111 R)
• M17: 14,193,696 km (0.043 R)
• M18: 14,595,666 km (0.116 R)
• M19: 15,212,907 km (0.092 R)
• M20: 15,634,025 km (0.091 R)
• M21: 16,943,904 km (0.066 R)
• M22: 17,857,049 km (0.108 R)
• M23: 18,983,521 km (0.112 R)
• M24: 19,348,989 km (0.113 R)
• M25: 23,196,496 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.09 AU - 4.01 AU

Year: 4537 Days

Day: 5 Hours

Environment

Temp: -216 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,910,112 km

• M1: 112,049 km (0.11 R)
• M2: 396,584 km (0.117 R)
• M3: 979,866 km (0.096 R)
• M4: 1,338,751 km (0.084 R)
• M5: 1,861,895 km (0.12 R)
• M6: 2,374,118 km (0.117 R)
• M7: 3,106,101 km (0.102 R)
• M8: 3,394,376 km (0.053 R)
• M9: 3,958,958 km (0.099 R)
• M10: 4,275,657 km (0.055 R)
• M11: 4,832,759 km (0.043 R)
• M12: 5,744,109 km (0.112 R)
• M13: 6,577,370 km (0.114 R)
• M14: 7,869,147 km (0.109 R)
• M15: 10,091,872 km (0.066 R)
• M16: 10,815,627 km (0.11 R)
• M17: 13,095,648 km (0.106 R)
• M18: 15,235,197 km (0.069 R)
• M19: 16,016,397 km (0.12 R)
• M20: 17,840,743 km (0.089 R)
• M21: 22,391,061 km (0.057 R)
• M22: 23,768,110 km (0.109 R)
• M23: 24,894,432 km (0.076 R)
• M24: 25,820,742 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 13.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.58 AU - 4.9 AU

Year: 6999 Days

Day: 13.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,910,112 km

• M1: 169,345 km (0.119 R)
• M2: 2,689,321 km (0.112 R)
• M3: 4,929,399 km (0.065 R)
• M4: 5,752,188 km (0.089 R)
• M5: 6,630,477 km (0.115 R)
• M6: 7,899,964 km (0.116 R)
• M7: 8,613,247 km (0.103 R)
• M8: 13,384,671 km (0.04 R)
• M9: 19,397,608 km (0.046 R)
• M10: 30,019,655 km (0.049 R)
• M11: 32,649,137 km (0.054 R)
• M12: 34,902,530 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 10

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.36 AU - 5.66 AU

Year: 8772 Days

Day: 8.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,910,112 km

• M1: 124,615 km (0.109 R)
• M2: 833,410 km (0.105 R)
• M3: 1,391,260 km (0.106 R)
• M4: 1,830,180 km (0.095 R)
• M5: 2,218,686 km (0.111 R)
• M6: 3,438,357 km (0.098 R)
• M7: 5,307,284 km (0.06 R)
• M8: 6,388,128 km (0.039 R)
• M9: 6,942,688 km (0.058 R)
• M10: 7,896,524 km (0.06 R)
• M11: 15,078,568 km (0.108 R)
• M12: 15,597,972 km (0.091 R)
• M13: 17,368,612 km (0.066 R)
• M14: 18,522,760 km (0.102 R)
• M15: 19,345,249 km (0.117 R)
• M16: 20,191,973 km (0.111 R)
• M17: 20,903,011 km (0.087 R)
• M18: 24,621,416 km (0.096 R)
• M19: 30,784,399 km (0.05 R)
• M20: 32,044,163 km (0.055 R)
• M21: 39,962,977 km (0.037 R)
• M22: 41,588,058 km (0.085 R)
• M23: 42,867,569 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 12,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit