🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 8.1

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.75 AU - 0.89 AU

Year: 479 Days

Day: 14.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,012,224 km

• M1: 100,679 km (0.049 R)
• M2: 406,607 km (0.108 R)
• M3: 831,615 km (0.074 R)
• M4: 1,400,834 km (0.098 R)
• M5: 2,577,272 km (0.062 R)
• M6: 4,031,214 km (0.112 R)
• M7: 5,043,692 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.96 AU - 1.12 AU

Year: 685 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,012,224 km

• M1: 186,549 km (0.112 R)
• M2: 658,231 km (0.109 R)
• M3: 1,484,011 km (0.049 R)
• M4: 2,281,966 km (0.034 R)
• M5: 3,340,670 km (0.076 R)
• M6: 3,886,403 km (0.08 R)
• M7: 4,507,833 km (0.107 R)
• M8: 5,141,380 km (0.108 R)
• M9: 5,912,557 km (0.114 R)
• M10: 6,868,487 km (0.108 R)
• M11: 8,342,475 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.3

Radius: 9.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.07 AU - 1.15 AU

Year: 755 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,012,224 km

• M1: 120,576 km (0.061 R)
• M2: 502,350 km (0.03 R)
• M3: 963,410 km (0.105 R)
• M4: 1,442,423 km (0.075 R)
• M5: 1,831,377 km (0.1 R)
• M6: 2,255,936 km (0.088 R)
• M7: 2,735,846 km (0.085 R)
• M8: 3,647,346 km (0.088 R)
• M9: 4,595,347 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 14.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.98 AU - 1.32 AU

Year: 796 Days

Day: 11.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,012,224 km

• M1: 179,218 km (0.077 R)
• M2: 1,549,984 km (0.1 R)
• M3: 2,064,750 km (0.041 R)
• M4: 2,811,692 km (0.099 R)
• M5: 3,777,346 km (0.051 R)
• M6: 4,234,368 km (0.057 R)
• M7: 5,696,238 km (0.058 R)
• M8: 6,532,789 km (0.111 R)
• M9: 6,992,204 km (0.06 R)
• M10: 7,567,259 km (0.116 R)
• M11: 8,425,502 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 14.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.56 AU - 2.12 AU

Year: 1612 Days

Day: 6.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,012,224 km

• M1: 180,415 km (0.071 R)
• M2: 768,933 km (0.096 R)
• M3: 1,453,493 km (0.111 R)
• M4: 2,035,877 km (0.1 R)
• M5: 2,663,590 km (0.051 R)
• M6: 3,718,255 km (0.118 R)
• M7: 4,275,956 km (0.054 R)
• M8: 5,293,969 km (0.069 R)
• M9: 6,904,839 km (0.102 R)
• M10: 8,216,513 km (0.112 R)
• M11: 8,729,933 km (0.103 R)
• M12: 9,491,387 km (0.086 R)
• M13: 10,610,229 km (0.045 R)
• M14: 11,967,530 km (0.112 R)
• M15: 12,628,753 km (0.041 R)
• M16: 13,645,271 km (0.114 R)
• M17: 14,367,230 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 13.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.56 AU - 2.3 AU

Year: 1731 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,012,224 km

• M1: 172,187 km (0.094 R)
• M2: 643,570 km (0.106 R)
• M3: 1,437,037 km (0.098 R)
• M4: 2,102,748 km (0.107 R)
• M5: 2,532,542 km (0.046 R)
• M6: 3,397,218 km (0.097 R)
• M7: 5,287,238 km (0.061 R)
• M8: 6,029,692 km (0.118 R)
• M9: 8,353,246 km (0.049 R)
• M10: 9,391,156 km (0.112 R)
• M11: 10,017,522 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 10.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.08 AU - 2.62 AU

Year: 2326 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,012,224 km

• M1: 128,505 km (0.085 R)
• M2: 485,146 km (0.048 R)
• M3: 945,010 km (0.049 R)
• M4: 1,491,940 km (0.039 R)
• M5: 1,894,657 km (0.098 R)
• M6: 2,343,600 km (0.079 R)
• M7: 2,715,201 km (0.091 R)
• M8: 3,078,425 km (0.039 R)
• M9: 3,720,798 km (0.112 R)
• M10: 4,429,743 km (0.032 R)
• M11: 5,671,106 km (0.072 R)
• M12: 6,115,711 km (0.109 R)
• M13: 6,663,688 km (0.096 R)
• M14: 8,131,392 km (0.076 R)
• M15: 8,924,859 km (0.101 R)
• M16: 10,851,381 km (0.04 R)
• M17: 12,011,662 km (0.026 R)
• M18: 13,082,633 km (0.044 R)
• M19: 14,306,044 km (0.099 R)
• M20: 15,747,569 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 11.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.57 AU - 2.59 AU

Year: 2676 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,012,224 km

• M1: 143,016 km (0.064 R)
• M2: 581,786 km (0.077 R)
• M3: 1,143,227 km (0.109 R)
• M4: 1,918,293 km (0.048 R)
• M5: 2,335,372 km (0.09 R)
• M6: 3,182,844 km (0.114 R)
• M7: 3,551,753 km (0.077 R)
• M8: 4,003,389 km (0.113 R)
• M9: 4,753,024 km (0.056 R)
• M10: 6,918,453 km (0.102 R)
• M11: 7,654,624 km (0.062 R)
• M12: 8,027,123 km (0.097 R)
• M13: 9,575,161 km (0.094 R)
• M14: 11,350,290 km (0.094 R)
• M15: 11,911,880 km (0.05 R)
• M16: 13,750,139 km (0.086 R)
• M17: 14,345,389 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.6

Radius: 14.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.99 AU - 6.53 AU

Year: 8926 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,012,224 km

• M1: 184,155 km (0.043 R)
• M2: 819,796 km (0.073 R)
• M3: 1,289,534 km (0.113 R)
• M4: 1,978,581 km (0.115 R)
• M5: 2,845,202 km (0.106 R)
• M6: 3,390,486 km (0.045 R)
• M7: 5,724,811 km (0.076 R)
• M8: 6,900,800 km (0.104 R)
• M9: 7,647,892 km (0.104 R)
• M10: 8,189,735 km (0.113 R)
• M11: 8,757,310 km (0.104 R)
• M12: 9,491,686 km (0.08 R)
• M13: 10,772,692 km (0.068 R)
• M14: 11,834,388 km (0.106 R)
• M15: 12,504,138 km (0.048 R)
• M16: 13,140,378 km (0.08 R)
• M17: 14,857,612 km (0.109 R)
• M18: 16,582,176 km (0.091 R)
• M19: 17,138,830 km (0.115 R)
• M20: 25,283,087 km (0.092 R)
• M21: 27,251,496 km (0.067 R)
• M22: 28,718,602 km (0.077 R)
• M23: 31,174,850 km (0.072 R)
• M24: 32,562,370 km (0.08 R)
• M25: 35,460,230 km (0.083 R)
• M26: 35,920,842 km (0.099 R)
• M27: 38,284,189 km (0.077 R)
• M28: 41,636,827 km (0.093 R)
• M29: 44,110,279 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.1

Radius: 3

Gravity: 49.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.64 AU - 11.48 AU

Year: 23749 Days

Day: 17.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,012,224 km

• M1: 37,250 km (0.034 R)
• M2: 149,747 km (0.093 R)
• M3: 272,268 km (0.084 R)
• M4: 521,049 km (0.06 R)
• M5: 1,059,901 km (0.043 R)
• M6: 1,165,667 km (0.115 R)
• M7: 1,367,773 km (0.054 R)
• M8: 1,767,798 km (0.081 R)
• M9: 2,034,681 km (0.11 R)
• M10: 2,970,565 km (0.117 R)
• M11: 3,236,251 km (0.098 R)
• M12: 3,546,517 km (0.053 R)
• M13: 3,845,413 km (0.09 R)
• M14: 4,951,540 km (0.079 R)
• M15: 5,173,094 km (0.084 R)
• M16: 5,401,381 km (0.116 R)
• M17: 9,677,935 km (0.055 R)
• M18: 10,619,803 km (0.041 R)
• M19: 11,112,878 km (0.093 R)
• M20: 12,615,439 km (0.096 R)
• M21: 13,168,203 km (0.049 R)
• M22: 13,736,974 km (0.091 R)
• M23: 17,412,893 km (0.062 R)
• M24: 18,978,435 km (0.042 R)
• M25: 23,297,325 km (0.104 R)
• M26: 26,850,723 km (0.104 R)
• M27: 30,257,366 km (0.093 R)
• M28: 32,000,481 km (0.082 R)
• M29: 32,254,797 km (0.106 R)
• M30: 35,821,659 km (0.115 R)
• M31: 38,771,131 km (0.115 R)
• M32: 50,966,499 km (0.06 R)
• M33: 54,325,270 km (0.113 R)
• M34: 54,506,134 km (0.115 R)
• M35: 62,069,802 km (0.081 R)
• M36: 73,569,241 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 11,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit