🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 10.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,281,644 km

• M1: 131,048 km (0.113 R)
• M2: 471,981 km (0.119 R)
• M3: 932,444 km (0.111 R)
• M4: 1,588,729 km (0.112 R)
• M5: 2,176,799 km (0.118 R)
• M6: 3,165,641 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 11.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.17 AU - 1.19 AU

Year: 855 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,281,644 km

• M1: 146,157 km (0.103 R)
• M2: 497,413 km (0.102 R)
• M3: 888,163 km (0.032 R)
• M4: 2,054,128 km (0.104 R)
• M5: 3,255,549 km (0.063 R)
• M6: 4,062,031 km (0.083 R)
• M7: 5,629,817 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.12 AU - 1.66 AU

Year: 1093 Days

Day: 13.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,281,644 km

• M1: 184,155 km (0.044 R)
• M2: 681,867 km (0.058 R)
• M3: 1,514,379 km (0.06 R)
• M4: 1,999,974 km (0.12 R)
• M5: 2,485,120 km (0.109 R)
• M6: 3,063,166 km (0.064 R)
• M7: 3,952,825 km (0.108 R)
• M8: 4,876,741 km (0.076 R)
• M9: 6,246,010 km (0.098 R)
• M10: 7,475,555 km (0.115 R)
• M11: 9,174,987 km (0.042 R)
• M12: 10,007,948 km (0.039 R)
• M13: 10,601,702 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.6

Radius: 8.9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.58 AU - 1.88 AU

Year: 1517 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,281,644 km

• M1: 110,702 km (0.067 R)
• M2: 438,621 km (0.075 R)
• M3: 1,342,342 km (0.055 R)
• M4: 1,883,587 km (0.093 R)
• M5: 2,188,168 km (0.093 R)
• M6: 3,276,343 km (0.108 R)
• M7: 3,871,593 km (0.054 R)
• M8: 4,368,407 km (0.06 R)
• M9: 4,967,547 km (0.11 R)
• M10: 5,730,945 km (0.064 R)
• M11: 6,211,004 km (0.115 R)
• M12: 6,717,842 km (0.092 R)
• M13: 8,091,749 km (0.111 R)
• M14: 11,105,099 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.5

Radius: 9

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.52 AU - 2.06 AU

Year: 1597 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,281,644 km

• M1: 111,899 km (0.115 R)
• M2: 392,694 km (0.085 R)
• M3: 720,164 km (0.072 R)
• M4: 1,009,935 km (0.113 R)
• M5: 1,379,592 km (0.115 R)
• M6: 1,882,240 km (0.065 R)
• M7: 2,183,231 km (0.118 R)
• M8: 3,003,626 km (0.116 R)
• M9: 3,335,135 km (0.103 R)
• M10: 3,797,392 km (0.078 R)
• M11: 4,166,899 km (0.077 R)
• M12: 5,606,479 km (0.1 R)
• M13: 5,988,552 km (0.071 R)
• M14: 6,646,633 km (0.072 R)
• M15: 7,578,778 km (0.039 R)
• M16: 9,667,164 km (0.055 R)
• M17: 10,008,846 km (0.076 R)
• M18: 11,343,558 km (0.095 R)
• M19: 11,917,116 km (0.086 R)
• M20: 12,590,456 km (0.078 R)
• M21: 13,668,907 km (0.118 R)
• M22: 14,056,216 km (0.058 R)
• M23: 15,262,424 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 8.1

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.75 AU - 2.65 AU

Year: 2176 Days

Day: 6.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,281,644 km

• M1: 100,679 km (0.095 R)
• M2: 359,184 km (0.104 R)
• M3: 1,046,587 km (0.093 R)
• M4: 1,476,381 km (0.091 R)
• M5: 1,901,389 km (0.082 R)
• M6: 2,258,928 km (0.053 R)
• M7: 3,448,530 km (0.084 R)
• M8: 3,718,255 km (0.099 R)
• M9: 3,982,894 km (0.103 R)
• M10: 4,942,564 km (0.12 R)
• M11: 5,770,289 km (0.106 R)
• M12: 6,022,960 km (0.07 R)
• M13: 6,523,514 km (0.059 R)
• M14: 6,853,826 km (0.082 R)
• M15: 7,224,231 km (0.08 R)
• M16: 7,698,306 km (0.088 R)
• M17: 8,224,592 km (0.106 R)
• M18: 9,522,503 km (0.119 R)
• M19: 11,617,621 km (0.04 R)
• M20: 11,899,463 km (0.107 R)
• M21: 12,772,666 km (0.091 R)
• M22: 13,116,293 km (0.098 R)
• M23: 15,893,427 km (0.111 R)
• M24: 16,695,422 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.6

Radius: 14.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.5 AU - 5.76 AU

Year: 6644 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,281,644 km

• M1: 185,651 km (0.086 R)
• M2: 654,491 km (0.111 R)
• M3: 1,607,878 km (0.051 R)
• M4: 2,462,082 km (0.117 R)
• M5: 3,289,059 km (0.071 R)
• M6: 4,899,929 km (0.095 R)
• M7: 6,771,548 km (0.091 R)
• M8: 7,249,662 km (0.112 R)
• M9: 8,821,936 km (0.081 R)
• M10: 9,393,549 km (0.103 R)
• M11: 10,956,847 km (0.087 R)
• M12: 13,189,895 km (0.1 R)
• M13: 16,554,201 km (0.093 R)
• M14: 17,562,940 km (0.112 R)
• M15: 24,841,474 km (0.1 R)
• M16: 26,163,620 km (0.095 R)
• M17: 27,905,089 km (0.11 R)
• M18: 32,439,999 km (0.028 R)
• M19: 37,787,375 km (0.111 R)
• M20: 38,596,400 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.4

Radius: 6.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.56 AU - 7.1 AU

Year: 11903 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,281,644 km

• M1: 82,129 km (0.068 R)
• M2: 371,751 km (0.071 R)
• M3: 580,589 km (0.111 R)
• M4: 863,928 km (0.109 R)
• M5: 1,600,548 km (0.102 R)
• M6: 1,837,959 km (0.105 R)
• M7: 3,796,345 km (0.108 R)
• M8: 4,026,726 km (0.058 R)
• M9: 4,561,987 km (0.079 R)
• M10: 5,322,094 km (0.075 R)
• M11: 7,637,270 km (0.049 R)
• M12: 7,937,663 km (0.103 R)
• M13: 11,520,382 km (0.04 R)
• M14: 17,051,016 km (0.103 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: 165 - 13,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit