🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 14.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.52 AU - 0.72 AU

Year: 326 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,967,114 km

• M1: 180,265 km (0.12 R)
• M2: 750,383 km (0.111 R)
• M3: 1,231,340 km (0.087 R)
• M4: 1,733,989 km (0.076 R)
• M5: 2,342,553 km (0.114 R)
• M6: 2,876,468 km (0.106 R)
• M7: 3,404,848 km (0.065 R)
• M8: 3,878,774 km (0.045 R)
• M9: 4,384,115 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 14.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.74 AU - 1.2 AU

Year: 637 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,967,114 km

• M1: 179,069 km (0.06 R)
• M2: 882,927 km (0.102 R)
• M3: 1,353,711 km (0.12 R)
• M4: 2,051,136 km (0.115 R)
• M5: 2,826,652 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 13.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.93 AU - 1.29 AU

Year: 780 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,967,114 km

• M1: 173,534 km (0.093 R)
• M2: 651,798 km (0.031 R)
• M3: 1,130,511 km (0.119 R)
• M4: 1,734,587 km (0.069 R)
• M5: 2,266,557 km (0.05 R)
• M6: 2,753,798 km (0.109 R)
• M7: 3,486,229 km (0.103 R)
• M8: 4,689,744 km (0.109 R)
• M9: 5,304,890 km (0.118 R)
• M10: 6,719,338 km (0.042 R)
• M11: 7,364,703 km (0.108 R)
• M12: 7,809,607 km (0.082 R)
• M13: 8,322,429 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.5

Radius: 14.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.37 AU - 1.41 AU

Year: 1093 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,967,114 km

• M1: 180,565 km (0.05 R)
• M2: 676,482 km (0.093 R)
• M3: 1,461,422 km (0.1 R)
• M4: 1,965,267 km (0.096 R)
• M5: 2,851,934 km (0.082 R)
• M6: 3,764,780 km (0.052 R)
• M7: 5,151,702 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 13

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.59 AU - 2.03 AU

Year: 1624 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,967,114 km

• M1: 162,014 km (0.069 R)
• M2: 610,359 km (0.11 R)
• M3: 1,149,360 km (0.115 R)
• M4: 1,957,638 km (0.09 R)
• M5: 2,473,002 km (0.046 R)
• M6: 2,975,202 km (0.1 R)
• M7: 3,502,385 km (0.084 R)
• M8: 4,091,651 km (0.064 R)
• M9: 5,334,810 km (0.088 R)
• M10: 6,244,514 km (0.08 R)
• M11: 7,350,043 km (0.103 R)
• M12: 8,768,829 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 10.1

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.67 AU - 3.53 AU

Year: 3640 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,967,114 km

• M1: 125,662 km (0.072 R)
• M2: 870,959 km (0.049 R)
• M3: 1,253,032 km (0.102 R)
• M4: 1,922,333 km (0.095 R)
• M5: 2,584,902 km (0.053 R)
• M6: 2,917,607 km (0.074 R)
• M7: 3,316,734 km (0.094 R)
• M8: 3,793,652 km (0.119 R)
• M9: 4,453,828 km (0.059 R)
• M10: 5,371,461 km (0.11 R)
• M11: 5,861,245 km (0.105 R)
• M12: 6,651,570 km (0.077 R)
• M13: 7,985,684 km (0.046 R)
• M14: 8,588,264 km (0.114 R)
• M15: 10,789,447 km (0.057 R)
• M16: 11,570,498 km (0.114 R)
• M17: 12,575,795 km (0.062 R)
• M18: 14,191,452 km (0.094 R)
• M19: 15,450,318 km (0.071 R)
• M20: 17,242,800 km (0.051 R)
• M21: 21,036,453 km (0.087 R)
• M22: 21,707,249 km (0.113 R)
• M23: 23,950,170 km (0.109 R)
• M24: 24,387,445 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 12

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.15 AU - 3.19 AU

Year: 3764 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,967,114 km

• M1: 150,645 km (0.113 R)
• M2: 878,289 km (0.057 R)
• M3: 1,450,052 km (0.029 R)
• M4: 2,027,949 km (0.082 R)
• M5: 2,515,787 km (0.11 R)
• M6: 2,923,890 km (0.087 R)
• M7: 3,630,142 km (0.099 R)
• M8: 4,176,623 km (0.099 R)
• M9: 4,705,302 km (0.084 R)
• M10: 7,575,786 km (0.063 R)
• M11: 8,223,694 km (0.09 R)
• M12: 10,723,325 km (0.079 R)
• M13: 11,629,140 km (0.094 R)
• M14: 14,602,398 km (0.083 R)
• M15: 15,769,411 km (0.056 R)
• M16: 23,966,925 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 9.1

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.58 AU - 4.94 AU

Year: 6925 Days

Day: 10.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,967,114 km

• M1: 113,246 km (0.105 R)
• M2: 418,724 km (0.104 R)
• M3: 721,211 km (0.113 R)
• M4: 1,289,085 km (0.084 R)
• M5: 1,686,716 km (0.115 R)
• M6: 2,098,709 km (0.113 R)
• M7: 2,427,973 km (0.105 R)
• M8: 2,791,795 km (0.12 R)
• M9: 4,294,207 km (0.031 R)
• M10: 4,799,997 km (0.076 R)
• M11: 5,503,406 km (0.104 R)
• M12: 5,930,508 km (0.09 R)
• M13: 7,987,330 km (0.088 R)
• M14: 9,566,634 km (0.113 R)
• M15: 10,184,922 km (0.083 R)
• M16: 10,931,416 km (0.073 R)
• M17: 12,588,960 km (0.119 R)
• M18: 13,157,582 km (0.09 R)
• M19: 14,716,541 km (0.087 R)
• M20: 16,867,908 km (0.076 R)
• M21: 17,280,499 km (0.113 R)
• M22: 22,356,055 km (0.076 R)
• M23: 23,359,408 km (0.037 R)
• M24: 25,998,614 km (0.111 R)
• M25: 28,538,337 km (0.098 R)
• M26: 30,018,458 km (0.057 R)
• M27: 30,320,646 km (0.105 R)
• M28: 31,239,027 km (0.118 R)
• M29: 34,876,350 km (0.116 R)
• M30: 36,338,669 km (0.059 R)
• M31: 36,911,928 km (0.113 R)
• M32: 38,667,609 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 10,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit