🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 8.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,268,657 km

• M1: 108,159 km (0.077 R)
• M2: 412,292 km (0.069 R)
• M3: 767,886 km (0.107 R)
• M4: 1,161,478 km (0.102 R)
• M5: 1,706,463 km (0.079 R)
• M6: 2,532,094 km (0.111 R)
• M7: 3,449,727 km (0.072 R)
• M8: 4,002,491 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 8.9

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.78 AU

Year: 345 Days

Day: 5.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,268,657 km

• M1: 110,852 km (0.118 R)
• M2: 412,441 km (0.105 R)
• M3: 723,156 km (0.109 R)
• M4: 1,163,722 km (0.065 R)
• M5: 1,587,233 km (0.107 R)
• M6: 2,177,995 km (0.112 R)
• M7: 3,023,523 km (0.109 R)
• M8: 3,503,732 km (0.095 R)
• M9: 4,021,191 km (0.083 R)
• M10: 4,339,086 km (0.094 R)
• M11: 4,833,058 km (0.081 R)
• M12: 5,116,696 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 11

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.33 AU - 1.33 AU

Year: 1059 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,268,657 km

• M1: 136,882 km (0.1 R)
• M2: 481,855 km (0.115 R)
• M3: 942,018 km (0.093 R)
• M4: 1,613,114 km (0.103 R)
• M5: 2,331,632 km (0.06 R)
• M6: 2,921,198 km (0.116 R)
• M7: 3,358,771 km (0.046 R)
• M8: 3,944,597 km (0.106 R)
• M9: 4,497,510 km (0.115 R)
• M10: 4,853,703 km (0.105 R)
• M11: 5,339,447 km (0.099 R)
• M12: 5,837,608 km (0.076 R)
• M13: 6,303,905 km (0.092 R)
• M14: 6,707,969 km (0.102 R)
• M15: 7,404,197 km (0.083 R)
• M16: 8,576,596 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.56 AU - 1.92 AU

Year: 1584 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,268,657 km

• M1: 99,483 km (0.037 R)
• M2: 999,015 km (0.043 R)
• M3: 1,567,337 km (0.102 R)
• M4: 2,200,884 km (0.062 R)
• M5: 2,726,870 km (0.058 R)
• M6: 3,109,242 km (0.078 R)
• M7: 3,727,829 km (0.108 R)
• M8: 4,090,006 km (0.09 R)
• M9: 6,453,951 km (0.082 R)
• M10: 6,843,654 km (0.078 R)
• M11: 7,528,363 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 11.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.81 AU - 4.53 AU

Year: 4853 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,268,657 km

• M1: 140,921 km (0.104 R)
• M2: 790,475 km (0.067 R)
• M3: 1,862,045 km (0.072 R)
• M4: 2,349,285 km (0.037 R)
• M5: 2,833,832 km (0.091 R)
• M6: 3,542,926 km (0.034 R)
• M7: 4,138,326 km (0.105 R)
• M8: 4,799,548 km (0.096 R)
• M9: 5,779,714 km (0.118 R)
• M10: 6,453,503 km (0.119 R)
• M11: 7,113,678 km (0.105 R)
• M12: 7,992,715 km (0.027 R)
• M13: 8,568,816 km (0.111 R)
• M14: 9,643,528 km (0.106 R)
• M15: 10,677,099 km (0.091 R)
• M16: 13,759,863 km (0.099 R)
• M17: 14,221,671 km (0.059 R)
• M18: 15,504,323 km (0.1 R)
• M19: 17,332,409 km (0.052 R)
• M20: 20,074,987 km (0.097 R)
• M21: 21,005,187 km (0.09 R)
• M22: 23,238,832 km (0.091 R)
• M23: 23,894,669 km (0.072 R)
• M24: 26,169,904 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 13

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.67 AU - 4.07 AU

Year: 5255 Days

Day: 12.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,268,657 km

• M1: 161,715 km (0.108 R)
• M2: 566,527 km (0.087 R)
• M3: 1,106,725 km (0.07 R)
• M4: 1,640,939 km (0.08 R)
• M5: 2,072,230 km (0.076 R)
• M6: 2,516,087 km (0.096 R)
• M7: 3,914,677 km (0.111 R)
• M8: 4,948,099 km (0.112 R)
• M9: 6,304,503 km (0.034 R)
• M10: 7,382,655 km (0.094 R)
• M11: 7,895,776 km (0.086 R)
• M12: 8,542,936 km (0.104 R)
• M13: 10,742,025 km (0.082 R)
• M14: 12,658,673 km (0.065 R)
• M15: 15,009,005 km (0.084 R)
• M16: 16,059,930 km (0.082 R)
• M17: 16,982,500 km (0.09 R)
• M18: 18,996,536 km (0.106 R)
• M19: 20,558,188 km (0.096 R)
• M20: 21,438,871 km (0.076 R)
• M21: 22,842,996 km (0.098 R)
• M22: 24,382,209 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.2

Radius: 4.1

Gravity: 33.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.21 AU - 7.35 AU

Year: 13558 Days

Day: 18.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,268,657 km

• M1: 51,013 km (0.066 R)
• M2: 189,541 km (0.058 R)
• M3: 539,300 km (0.082 R)
• M4: 996,471 km (0.106 R)
• M5: 1,582,446 km (0.081 R)
• M6: 2,577,123 km (0.116 R)
• M7: 2,954,259 km (0.111 R)
• M8: 4,740,757 km (0.088 R)
• M9: 5,480,069 km (0.119 R)
• M10: 6,026,251 km (0.107 R)
• M11: 6,370,775 km (0.069 R)
• M12: 7,881,863 km (0.086 R)
• M13: 8,247,480 km (0.056 R)
• M14: 8,914,238 km (0.116 R)
• M15: 9,260,856 km (0.072 R)
• M16: 13,686,560 km (0.032 R)
• M17: 15,240,283 km (0.116 R)
• M18: 17,058,346 km (0.109 R)
• M19: 18,453,346 km (0.094 R)
• M20: 20,090,695 km (0.11 R)
• M21: 24,218,848 km (0.094 R)
• M22: 29,093,345 km (0.066 R)
• M23: 30,295,663 km (0.084 R)
• M24: 34,825,337 km (0.079 R)
• M25: 36,430,073 km (0.065 R)
• M26: 40,320,067 km (0.078 R)
• M27: 42,642,723 km (0.114 R)
• M28: 43,201,920 km (0.052 R)
• M29: 44,908,682 km (0.112 R)
• M30: 47,702,423 km (0.118 R)
• M31: 51,551,725 km (0.054 R)
• M32: 53,309,052 km (0.086 R)
• M33: 53,470,767 km (0.114 R)
• M34: 53,632,781 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.8

Radius: 5.7

Gravity: 18.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.2 AU - 8.36 AU

Year: 13558 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,268,657 km

• M1: 70,909 km (0.109 R)
• M2: 260,599 km (0.117 R)
• M3: 444,306 km (0.045 R)
• M4: 637,287 km (0.102 R)
• M5: 949,049 km (0.09 R)
• M6: 1,413,401 km (0.084 R)
• M7: 1,878,052 km (0.106 R)
• M8: 4,000,995 km (0.091 R)
• M9: 4,385,013 km (0.119 R)
• M10: 4,989,837 km (0.115 R)
• M11: 5,226,052 km (0.101 R)
• M12: 11,849,049 km (0.102 R)
• M13: 12,764,139 km (0.054 R)
• M14: 17,585,828 km (0.082 R)
• M15: 20,785,427 km (0.114 R)
• M16: 22,112,959 km (0.07 R)
• M17: 23,308,246 km (0.11 R)
• M18: 31,512,193 km (0.117 R)
• M19: 32,788,263 km (0.114 R)
• M20: 36,191,166 km (0.092 R)
• M21: 42,280,397 km (0.116 R)
• M22: 43,121,736 km (0.118 R)
• M23: 52,963,780 km (0.089 R)
• M24: 56,268,696 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 14,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit