🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479

Radius: 11.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.63 AU - 0.99 AU

Year: 512 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,432,488 km

• M1: 143,016 km (0.102 R)
• M2: 614,398 km (0.086 R)
• M3: 976,425 km (0.052 R)
• M4: 1,392,307 km (0.053 R)
• M5: 1,834,668 km (0.1 R)
• M6: 2,389,078 km (0.086 R)
• M7: 3,053,143 km (0.075 R)
• M8: 3,979,303 km (0.109 R)
• M9: 4,587,718 km (0.095 R)
• M10: 4,975,625 km (0.105 R)
• M11: 5,615,754 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.5

Radius: 10.9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.26 AU

Year: 833 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,432,488 km

• M1: 138,827 km (0.076 R)
• M2: 533,466 km (0.03 R)
• M3: 946,805 km (0.067 R)
• M4: 1,561,503 km (0.106 R)
• M5: 2,003,415 km (0.097 R)
• M6: 2,551,092 km (0.098 R)
• M7: 3,130,036 km (0.034 R)
• M8: 3,501,189 km (0.106 R)
• M9: 4,137,279 km (0.092 R)
• M10: 4,831,114 km (0.061 R)
• M11: 5,600,795 km (0.049 R)
• M12: 7,101,411 km (0.051 R)
• M13: 8,121,668 km (0.103 R)
• M14: 9,126,667 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 14.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.06 AU - 1.26 AU

Year: 878 Days

Day: 13.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 157.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,432,488 km

• M1: 179,218 km (0.094 R)
• M2: 656,435 km (0.11 R)
• M3: 1,221,467 km (0.073 R)
• M4: 1,721,722 km (0.094 R)
• M5: 2,403,739 km (0.094 R)
• M6: 3,116,572 km (0.099 R)
• M7: 3,921,559 km (0.03 R)
• M8: 4,755,866 km (0.069 R)
• M9: 6,690,166 km (0.055 R)
• M10: 7,566,361 km (0.083 R)
• M11: 8,701,659 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 12.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.04 AU - 2.64 AU

Year: 2516 Days

Day: 12.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,432,488 km

• M1: 155,432 km (0.119 R)
• M2: 759,209 km (0.063 R)
• M3: 1,306,289 km (0.033 R)
• M4: 1,955,543 km (0.078 R)
• M5: 2,811,991 km (0.081 R)
• M6: 3,553,847 km (0.034 R)
• M7: 7,887,249 km (0.106 R)
• M8: 9,327,427 km (0.069 R)
• M9: 10,000,917 km (0.111 R)
• M10: 11,928,934 km (0.053 R)
• M11: 14,416,148 km (0.11 R)
• M12: 15,028,602 km (0.102 R)
• M13: 15,658,260 km (0.095 R)
• M14: 17,283,640 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 14.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.35 AU - 3.45 AU

Year: 3471 Days

Day: 14.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,432,488 km

• M1: 179,069 km (0.048 R)
• M2: 751,879 km (0.114 R)
• M3: 1,704,518 km (0.059 R)
• M4: 2,170,216 km (0.05 R)
• M5: 2,691,565 km (0.099 R)
• M6: 3,314,341 km (0.107 R)
• M7: 4,582,183 km (0.1 R)
• M8: 6,884,344 km (0.107 R)
• M9: 7,393,725 km (0.107 R)
• M10: 9,505,897 km (0.051 R)
• M11: 11,325,157 km (0.038 R)
• M12: 11,909,486 km (0.06 R)
• M13: 12,514,011 km (0.105 R)
• M14: 14,067,436 km (0.086 R)
• M15: 15,440,595 km (0.086 R)
• M16: 16,055,741 km (0.083 R)
• M17: 16,580,830 km (0.085 R)
• M18: 19,262,970 km (0.109 R)
• M19: 20,461,548 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 14.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.86 AU - 3.88 AU

Year: 4349 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,432,488 km

• M1: 180,565 km (0.066 R)
• M2: 635,342 km (0.089 R)
• M3: 1,682,378 km (0.073 R)
• M4: 2,319,066 km (0.086 R)
• M5: 2,782,371 km (0.12 R)
• M6: 3,362,362 km (0.12 R)
• M7: 4,815,555 km (0.069 R)
• M8: 5,476,928 km (0.04 R)
• M9: 6,254,089 km (0.072 R)
• M10: 6,713,803 km (0.065 R)
• M11: 8,264,534 km (0.115 R)
• M12: 9,069,969 km (0.092 R)
• M13: 11,002,026 km (0.085 R)
• M14: 11,934,021 km (0.027 R)
• M15: 13,382,726 km (0.1 R)
• M16: 14,052,326 km (0.069 R)
• M17: 14,744,217 km (0.114 R)
• M18: 17,402,272 km (0.048 R)
• M19: 18,027,441 km (0.1 R)
• M20: 21,123,967 km (0.083 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.7

Radius: 6.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.38 AU - 8.38 AU

Year: 14093 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,432,488 km

• M1: 103,671 km (0.102 R)
• M2: 306,376 km (0.071 R)
• M3: 1,316,461 km (0.087 R)
• M4: 1,862,194 km (0.085 R)
• M5: 2,177,995 km (0.056 R)
• M6: 2,395,511 km (0.119 R)
• M7: 2,895,916 km (0.11 R)
• M8: 3,635,378 km (0.066 R)
• M9: 4,240,052 km (0.115 R)
• M10: 4,580,986 km (0.112 R)
• M11: 7,421,251 km (0.091 R)
• M12: 15,043,263 km (0.077 R)
• M13: 16,866,861 km (0.069 R)
• M14: 19,909,981 km (0.099 R)
• M15: 21,934,638 km (0.042 R)
• M16: 25,638,681 km (0.07 R)
• M17: 28,525,920 km (0.059 R)
• M18: 31,197,589 km (0.115 R)
• M19: 34,031,421 km (0.074 R)
• M20: 34,482,010 km (0.118 R)
• M21: 35,050,931 km (0.074 R)
• M22: 36,090,786 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 14,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit