🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 8.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.67 AU

Year: 319 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,820,776 km

• M1: 102,026 km (0.107 R)
• M2: 393,742 km (0.117 R)
• M3: 764,595 km (0.066 R)
• M4: 1,225,655 km (0.103 R)
• M5: 1,535,024 km (0.103 R)
• M6: 1,910,514 km (0.12 R)
• M7: 2,290,643 km (0.04 R)
• M8: 2,649,528 km (0.065 R)
• M9: 3,094,432 km (0.106 R)
• M10: 3,566,712 km (0.118 R)
• M11: 3,911,386 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 13.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.58 AU - 0.82 AU

Year: 412 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,820,776 km

• M1: 171,888 km (0.063 R)
• M2: 605,722 km (0.119 R)
• M3: 1,423,424 km (0.084 R)
• M4: 2,331,932 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 14.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.75 AU - 0.77 AU

Year: 466 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,820,776 km

• M1: 179,218 km (0.108 R)
• M2: 688,898 km (0.082 R)
• M3: 1,165,667 km (0.116 R)
• M4: 1,663,678 km (0.087 R)
• M5: 2,118,455 km (0.099 R)
• M6: 2,919,552 km (0.041 R)
• M7: 3,966,887 km (0.116 R)
• M8: 4,592,505 km (0.11 R)
• M9: 5,127,467 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 9.4

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.11 AU - 1.27 AU

Year: 912 Days

Day: 6.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,820,776 km

• M1: 116,986 km (0.112 R)
• M2: 439,219 km (0.103 R)
• M3: 840,890 km (0.077 R)
• M4: 1,142,629 km (0.078 R)
• M5: 1,444,966 km (0.065 R)
• M6: 1,792,182 km (0.085 R)
• M7: 2,608,837 km (0.091 R)
• M8: 3,184,939 km (0.113 R)
• M9: 3,640,015 km (0.087 R)
• M10: 4,979,216 km (0.071 R)
• M11: 5,930,209 km (0.103 R)
• M12: 6,324,998 km (0.056 R)
• M13: 6,690,615 km (0.062 R)
• M14: 7,464,186 km (0.112 R)
• M15: 8,269,172 km (0.058 R)
• M16: 9,539,407 km (0.083 R)
• M17: 10,051,631 km (0.061 R)
• M18: 10,392,714 km (0.07 R)
• M19: 10,709,562 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 13.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.21 AU - 3.59 AU

Year: 3471 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,820,776 km

• M1: 166,353 km (0.062 R)
• M2: 666,159 km (0.047 R)
• M3: 1,858,454 km (0.095 R)
• M4: 2,366,489 km (0.093 R)
• M5: 3,314,191 km (0.033 R)
• M6: 3,750,419 km (0.05 R)
• M7: 4,407,602 km (0.104 R)
• M8: 5,455,834 km (0.077 R)
• M9: 6,184,077 km (0.096 R)
• M10: 6,881,502 km (0.086 R)
• M11: 7,298,581 km (0.111 R)
• M12: 8,361,923 km (0.098 R)
• M13: 8,837,644 km (0.083 R)
• M14: 9,254,124 km (0.085 R)
• M15: 10,415,752 km (0.097 R)
• M16: 13,819,253 km (0.11 R)
• M17: 17,017,207 km (0.113 R)
• M18: 17,663,918 km (0.093 R)
• M19: 18,326,786 km (0.086 R)
• M20: 21,415,833 km (0.077 R)
• M21: 21,893,648 km (0.079 R)
• M22: 23,226,565 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 8.7

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.74 AU - 5.27 AU

Year: 7859 Days

Day: 11.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,820,776 km

• M1: 108,159 km (0.111 R)
• M2: 423,063 km (0.086 R)
• M3: 737,966 km (0.109 R)
• M4: 1,118,394 km (0.097 R)
• M5: 1,535,323 km (0.111 R)
• M6: 1,928,915 km (0.108 R)
• M7: 2,800,622 km (0.079 R)
• M8: 4,352,400 km (0.036 R)
• M9: 5,420,978 km (0.12 R)
• M10: 6,584,251 km (0.048 R)
• M11: 6,872,077 km (0.047 R)
• M12: 7,946,190 km (0.114 R)
• M13: 8,397,527 km (0.111 R)
• M14: 8,909,301 km (0.101 R)
• M15: 9,217,323 km (0.101 R)
• M16: 10,375,809 km (0.098 R)
• M17: 10,667,824 km (0.077 R)
• M18: 11,065,605 km (0.115 R)
• M19: 12,372,941 km (0.118 R)
• M20: 13,035,809 km (0.113 R)
• M21: 14,674,354 km (0.119 R)
• M22: 23,349,236 km (0.102 R)
• M23: 31,659,547 km (0.073 R)
• M24: 32,585,408 km (0.109 R)
• M25: 33,847,865 km (0.071 R)
• M26: 38,756,320 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.9

Radius: 3.1

Gravity: 73.87 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.51 AU - 9.15 AU

Year: 16900 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,820,776 km

• M1: 38,746 km (0.118 R)
• M2: 163,510 km (0.105 R)
• M3: 1,062,444 km (0.073 R)
• M4: 1,647,671 km (0.073 R)
• M5: 2,188,467 km (0.072 R)
• M6: 2,465,672 km (0.035 R)
• M7: 4,150,144 km (0.042 R)
• M8: 5,134,498 km (0.075 R)
• M9: 6,140,693 km (0.108 R)
• M10: 8,533,511 km (0.078 R)
• M11: 8,739,956 km (0.107 R)
• M12: 10,749,355 km (0.043 R)
• M13: 11,050,795 km (0.102 R)
• M14: 12,843,725 km (0.086 R)
• M15: 13,950,600 km (0.047 R)
• M16: 14,093,316 km (0.106 R)
• M17: 15,650,780 km (0.094 R)
• M18: 16,590,404 km (0.112 R)
• M19: 17,733,481 km (0.109 R)
• M20: 18,324,094 km (0.111 R)
• M21: 19,190,564 km (0.104 R)
• M22: 20,084,113 km (0.112 R)
• M23: 24,140,010 km (0.057 R)
• M24: 31,074,320 km (0.1 R)
• M25: 31,195,794 km (0.116 R)
• M26: 32,428,929 km (0.034 R)
• M27: 35,652,763 km (0.037 R)
• M28: 36,457,001 km (0.118 R)
• M29: 37,410,538 km (0.072 R)
• M30: 37,686,097 km (0.031 R)
• M31: 38,660,877 km (0.081 R)
• M32: 42,279,500 km (0.056 R)
• M33: 45,488,225 km (0.116 R)
• M34: 55,901,134 km (0.052 R)
• M35: 62,233,612 km (0.108 R)
• M36: 67,998,665 km (0.103 R)
• M37: 68,820,705 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 15,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit