🌌 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: 125.2

Radius: 9.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 9.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,392,873 km

• M1: 122,521 km (0.119 R)
• M2: 592,408 km (0.109 R)
• M3: 1,473,539 km (0.086 R)
• M4: 1,826,590 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 9.3

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.85 AU - 1.35 AU

Year: 769 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,392,873 km

• M1: 115,639 km (0.12 R)
• M2: 435,031 km (0.071 R)
• M3: 783,294 km (0.102 R)
• M4: 1,086,978 km (0.115 R)
• M5: 1,471,295 km (0.073 R)
• M6: 2,266,707 km (0.063 R)
• M7: 2,588,193 km (0.086 R)
• M8: 3,324,513 km (0.101 R)
• M9: 4,002,641 km (0.083 R)
• M10: 4,859,388 km (0.097 R)
• M11: 5,853,765 km (0.107 R)
• M12: 6,206,666 km (0.112 R)
• M13: 6,507,807 km (0.1 R)
• M14: 7,139,858 km (0.101 R)
• M15: 7,446,982 km (0.087 R)
• M16: 7,762,783 km (0.086 R)
• M17: 8,087,710 km (0.095 R)
• M18: 8,791,418 km (0.099 R)
• M19: 9,310,822 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682

Radius: 12.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.96 AU - 2.42 AU

Year: 2161 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,392,873 km

• M1: 159,621 km (0.115 R)
• M2: 795,561 km (0.113 R)
• M3: 1,319,004 km (0.1 R)
• M4: 1,757,326 km (0.117 R)
• M5: 2,505,465 km (0.079 R)
• M6: 2,969,667 km (0.092 R)
• M7: 3,405,895 km (0.118 R)
• M8: 3,866,507 km (0.118 R)
• M9: 4,870,907 km (0.111 R)
• M10: 5,388,067 km (0.039 R)
• M11: 5,867,528 km (0.102 R)
• M12: 8,139,471 km (0.094 R)
• M13: 8,707,793 km (0.061 R)
• M14: 11,521,729 km (0.083 R)
• M15: 13,631,657 km (0.103 R)
• M16: 14,480,027 km (0.042 R)
• M17: 15,697,454 km (0.065 R)
• M18: 16,134,430 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 8.8

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.8 AU - 2.72 AU

Year: 2266 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,392,873 km

• M1: 109,506 km (0.107 R)
• M2: 567,425 km (0.043 R)
• M3: 845,527 km (0.09 R)
• M4: 1,150,258 km (0.119 R)
• M5: 2,221,080 km (0.081 R)
• M6: 2,542,266 km (0.105 R)
• M7: 2,942,740 km (0.103 R)
• M8: 3,366,999 km (0.115 R)
• M9: 3,929,637 km (0.093 R)
• M10: 4,296,600 km (0.076 R)
• M11: 4,619,582 km (0.071 R)
• M12: 5,636,848 km (0.105 R)
• M13: 6,104,491 km (0.118 R)
• M14: 7,028,856 km (0.117 R)
• M15: 7,947,536 km (0.083 R)
• M16: 8,806,677 km (0.09 R)
• M17: 9,153,146 km (0.103 R)
• M18: 9,836,509 km (0.081 R)
• M19: 13,047,328 km (0.106 R)
• M20: 14,052,626 km (0.056 R)
• M21: 14,430,809 km (0.036 R)
• M22: 14,767,105 km (0.075 R)
• M23: 16,320,230 km (0.094 R)
• M24: 16,738,207 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 14.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.77 AU - 5.89 AU

Year: 7079 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,392,873 km

• M1: 181,911 km (0.056 R)
• M2: 651,349 km (0.082 R)
• M3: 1,309,729 km (0.084 R)
• M4: 2,118,306 km (0.119 R)
• M5: 2,751,703 km (0.1 R)
• M6: 4,167,497 km (0.104 R)
• M7: 5,231,587 km (0.054 R)
• M8: 6,540,269 km (0.102 R)
• M9: 7,084,058 km (0.066 R)
• M10: 7,697,259 km (0.119 R)
• M11: 9,431,996 km (0.082 R)
• M12: 10,659,596 km (0.104 R)
• M13: 11,159,253 km (0.104 R)
• M14: 15,548,604 km (0.073 R)
• M15: 16,988,334 km (0.113 R)
• M16: 17,810,225 km (0.088 R)
• M17: 21,444,556 km (0.119 R)
• M18: 22,731,247 km (0.066 R)
• M19: 29,165,451 km (0.063 R)
• M20: 30,643,927 km (0.11 R)
• M21: 33,536,701 km (0.096 R)
• M22: 34,939,779 km (0.059 R)
• M23: 35,600,404 km (0.038 R)
• M24: 37,174,472 km (0.101 R)
• M25: 39,979,881 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.4

Radius: 13.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.64 AU - 6.78 AU

Year: 9099 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,392,873 km

• M1: 164,857 km (0.091 R)
• M2: 643,271 km (0.107 R)
• M3: 1,091,017 km (0.082 R)
• M4: 1,705,715 km (0.101 R)
• M5: 2,194,451 km (0.054 R)
• M6: 5,083,036 km (0.101 R)
• M7: 7,980,149 km (0.049 R)
• M8: 12,182,802 km (0.099 R)
• M9: 12,855,543 km (0.078 R)
• M10: 13,303,888 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.7

Radius: 7.8

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.75 AU - 7.61 AU

Year: 12830 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,392,873 km

• M1: 97,239 km (0.092 R)
• M2: 745,745 km (0.08 R)
• M3: 1,103,583 km (0.09 R)
• M4: 1,398,590 km (0.067 R)
• M5: 1,812,677 km (0.105 R)
• M6: 2,468,963 km (0.094 R)
• M7: 2,980,438 km (0.041 R)
• M8: 4,065,322 km (0.079 R)
• M9: 7,245,324 km (0.115 R)
• M10: 7,779,089 km (0.112 R)
• M11: 8,196,318 km (0.12 R)
• M12: 11,666,390 km (0.079 R)
• M13: 13,358,491 km (0.11 R)
• M14: 14,092,568 km (0.076 R)
• M15: 17,067,023 km (0.055 R)
• M16: 17,534,666 km (0.066 R)
• M17: 20,175,068 km (0.102 R)
• M18: 20,698,062 km (0.12 R)
• M19: 24,516,847 km (0.042 R)
• M20: 27,912,569 km (0.055 R)
• M21: 31,843,253 km (0.096 R)
• M22: 33,392,489 km (0.107 R)
• M23: 39,956,993 km (0.071 R)
• M24: 42,322,883 km (0.106 R)
• M25: 43,612,566 km (0.119 R)
• M26: 45,521,286 km (0.039 R)
• M27: 46,723,155 km (0.085 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: 488 - 19,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit