🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.5

Radius: 13.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.72 AU - 1.12 AU

Year: 570 Days

Day: 6.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,546,455 km

• M1: 171,738 km (0.054 R)
• M2: 678,426 km (0.101 R)
• M3: 1,280,109 km (0.108 R)
• M4: 1,957,189 km (0.12 R)
• M5: 3,129,587 km (0.105 R)
• M6: 4,153,286 km (0.087 R)
• M7: 4,871,505 km (0.113 R)
• M8: 5,303,544 km (0.118 R)
• M9: 5,925,871 km (0.086 R)
• M10: 6,361,051 km (0.12 R)
• M11: 6,960,789 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 8.5

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.94 AU - 1.18 AU

Year: 705 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,546,455 km

• M1: 105,766 km (0.03 R)
• M2: 464,352 km (0.044 R)
• M3: 797,955 km (0.066 R)
• M4: 1,194,240 km (0.049 R)
• M5: 1,461,272 km (0.096 R)
• M6: 1,794,277 km (0.115 R)
• M7: 2,062,805 km (0.116 R)
• M8: 2,693,510 km (0.044 R)
• M9: 3,035,790 km (0.098 R)
• M10: 3,420,256 km (0.117 R)
• M11: 3,722,743 km (0.035 R)
• M12: 4,350,007 km (0.114 R)
• M13: 4,823,035 km (0.087 R)
• M14: 5,115,948 km (0.114 R)
• M15: 5,775,824 km (0.082 R)
• M16: 6,086,838 km (0.039 R)
• M17: 7,376,521 km (0.044 R)
• M18: 8,073,797 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 10.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.11 AU - 1.25 AU

Year: 828 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 55,546,455 km

• M1: 133,142 km (0.11 R)
• M2: 658,530 km (0.066 R)
• M3: 1,240,765 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.9

Radius: 11.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.59 AU - 4.19 AU

Year: 4030 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,546,455 km

• M1: 147,952 km (0.042 R)
• M2: 534,364 km (0.102 R)
• M3: 1,010,234 km (0.109 R)
• M4: 1,835,267 km (0.071 R)
• M5: 3,067,205 km (0.08 R)
• M6: 3,582,570 km (0.12 R)
• M7: 4,063,078 km (0.069 R)
• M8: 4,737,017 km (0.065 R)
• M9: 5,290,379 km (0.09 R)
• M10: 5,740,519 km (0.059 R)
• M11: 6,979,189 km (0.064 R)
• M12: 7,591,643 km (0.038 R)
• M13: 8,463,649 km (0.074 R)
• M14: 9,646,220 km (0.109 R)
• M15: 10,064,047 km (0.102 R)
• M16: 10,802,013 km (0.082 R)
• M17: 11,857,426 km (0.075 R)
• M18: 14,495,884 km (0.097 R)
• M19: 15,550,699 km (0.082 R)
• M20: 18,379,445 km (0.093 R)
• M21: 19,022,865 km (0.105 R)
• M22: 22,467,805 km (0.113 R)
• M23: 23,427,326 km (0.102 R)
• M24: 26,714,889 km (0.113 R)
• M25: 28,811,204 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.2

Radius: 8.3

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.9 AU - 4.26 AU

Year: 4374 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,546,455 km

• M1: 103,372 km (0.112 R)
• M2: 382,821 km (0.104 R)
• M3: 857,794 km (0.114 R)
• M4: 1,933,702 km (0.103 R)
• M5: 3,006,768 km (0.074 R)
• M6: 3,343,812 km (0.039 R)
• M7: 3,683,848 km (0.106 R)
• M8: 4,213,274 km (0.082 R)
• M9: 4,792,368 km (0.116 R)
• M10: 5,060,298 km (0.085 R)
• M11: 5,366,524 km (0.032 R)
• M12: 5,685,168 km (0.086 R)
• M13: 6,392,317 km (0.111 R)
• M14: 7,579,376 km (0.117 R)
• M15: 8,206,191 km (0.083 R)
• M16: 10,742,324 km (0.097 R)
• M17: 11,437,954 km (0.087 R)
• M18: 12,562,481 km (0.118 R)
• M19: 13,177,628 km (0.087 R)
• M20: 16,137,272 km (0.113 R)
• M21: 18,188,408 km (0.089 R)
• M22: 18,579,158 km (0.083 R)
• M23: 19,785,216 km (0.104 R)
• M24: 20,129,291 km (0.054 R)
• M25: 22,426,815 km (0.073 R)
• M26: 22,951,754 km (0.112 R)
• M27: 26,109,915 km (0.057 R)
• M28: 28,573,044 km (0.075 R)
• M29: 29,457,167 km (0.101 R)
• M30: 29,905,961 km (0.113 R)
• M31: 30,268,436 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 14.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.2 AU - 6.62 AU

Year: 8125 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,546,455 km

• M1: 175,329 km (0.083 R)
• M2: 635,043 km (0.072 R)
• M3: 1,224,159 km (0.105 R)
• M4: 1,786,348 km (0.109 R)
• M5: 2,901,750 km (0.036 R)
• M6: 3,514,503 km (0.098 R)
• M7: 4,262,791 km (0.045 R)
• M8: 5,229,343 km (0.096 R)
• M9: 6,174,802 km (0.078 R)
• M10: 8,246,732 km (0.119 R)
• M11: 8,933,536 km (0.084 R)
• M12: 12,223,642 km (0.102 R)
• M13: 13,225,649 km (0.1 R)
• M14: 13,774,673 km (0.065 R)
• M15: 15,273,793 km (0.104 R)
• M16: 17,460,315 km (0.1 R)
• M17: 19,991,063 km (0.09 R)
• M18: 20,496,105 km (0.108 R)
• M19: 23,787,408 km (0.097 R)
• M20: 25,097,436 km (0.105 R)
• M21: 25,600,833 km (0.063 R)
• M22: 26,282,551 km (0.113 R)
• M23: 26,889,020 km (0.11 R)
• M24: 31,984,025 km (0.085 R)
• M25: 32,476,800 km (0.041 R)
• M26: 34,088,268 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 14.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.29 AU - 6.09 AU

Year: 8764 Days

Day: 11 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,546,455 km

• M1: 184,005 km (0.07 R)
• M2: 2,413,612 km (0.111 R)
• M3: 3,203,938 km (0.082 R)
• M4: 3,895,828 km (0.045 R)
• M5: 4,418,523 km (0.105 R)
• M6: 6,029,093 km (0.06 R)
• M7: 8,679,369 km (0.057 R)
• M8: 9,503,354 km (0.096 R)
• M9: 16,055,891 km (0.09 R)
• M10: 19,550,946 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.2

Radius: 8

Gravity: 14.88 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.54 AU - 6.92 AU

Year: 8856 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,546,455 km

• M1: 100,081 km (0.106 R)
• M2: 437,125 km (0.101 R)
• M3: 935,286 km (0.062 R)
• M4: 1,215,333 km (0.096 R)
• M5: 1,967,062 km (0.077 R)
• M6: 2,474,050 km (0.112 R)
• M7: 3,203,489 km (0.11 R)
• M8: 3,852,444 km (0.056 R)
• M9: 5,510,438 km (0.046 R)
• M10: 6,365,240 km (0.113 R)
• M11: 7,596,580 km (0.101 R)
• M12: 8,653,489 km (0.114 R)
• M13: 15,855,130 km (0.118 R)
• M14: 16,627,504 km (0.045 R)
• M15: 17,131,948 km (0.107 R)
• M16: 18,706,765 km (0.12 R)
• M17: 19,331,336 km (0.051 R)
• M18: 20,375,679 km (0.092 R)
• M19: 23,284,460 km (0.09 R)
• M20: 24,558,734 km (0.12 R)
• M21: 25,213,076 km (0.082 R)
• M22: 27,644,939 km (0.032 R)
• M23: 31,088,681 km (0.051 R)
• M24: 32,744,431 km (0.095 R)
• M25: 33,082,672 km (0.114 R)
• M26: 35,514,834 km (0.101 R)
• M27: 38,312,763 km (0.086 R)
• M28: 39,957,442 km (0.051 R)
• M29: 42,045,678 km (0.076 R)
• M30: 48,452,806 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276

Radius: 7.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.94 AU - 8.76 AU

Year: 12866 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,546,455 km

• M1: 264,938 km (0.075 R)
• M2: 901,327 km (0.049 R)
• M3: 1,982,172 km (0.083 R)
• M4: 2,247,858 km (0.051 R)
• M5: 2,751,105 km (0.101 R)
• M6: 3,327,206 km (0.088 R)
• M7: 3,803,825 km (0.102 R)
• M8: 8,123,464 km (0.12 R)
• M9: 8,591,256 km (0.081 R)
• M10: 9,721,468 km (0.115 R)
• M11: 12,720,008 km (0.119 R)
• M12: 15,627,442 km (0.103 R)
• M13: 16,959,761 km (0.065 R)
• M14: 19,023,912 km (0.12 R)
• M15: 23,303,608 km (0.059 R)
• M16: 35,807,447 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.2

Radius: 3.6

Gravity: 26.1 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.87 AU - 10.35 AU

Year: 17754 Days

Day: 17.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,546,455 km

• M1: 61,485 km (0.055 R)
• M2: 317,447 km (0.107 R)
• M3: 737,817 km (0.105 R)
• M4: 1,066,034 km (0.092 R)
• M5: 1,224,459 km (0.051 R)
• M6: 2,094,221 km (0.088 R)
• M7: 2,655,961 km (0.053 R)
• M8: 3,066,308 km (0.112 R)
• M9: 3,337,080 km (0.108 R)
• M10: 4,011,617 km (0.055 R)
• M11: 4,245,588 km (0.12 R)
• M12: 4,902,771 km (0.096 R)
• M13: 5,411,853 km (0.116 R)
• M14: 6,494,792 km (0.115 R)
• M15: 7,066,106 km (0.1 R)
• M16: 8,354,592 km (0.066 R)
• M17: 8,784,237 km (0.066 R)
• M18: 12,033,204 km (0.105 R)
• M19: 17,114,146 km (0.069 R)
• M20: 17,266,287 km (0.085 R)
• M21: 18,757,329 km (0.085 R)
• M22: 21,107,811 km (0.034 R)
• M23: 23,836,177 km (0.108 R)
• M24: 24,505,029 km (0.098 R)
• M25: 27,305,501 km (0.101 R)
• M26: 28,568,257 km (0.097 R)
• M27: 41,320,129 km (0.063 R)
• M28: 42,841,838 km (0.099 R)
• M29: 46,290,817 km (0.053 R)
• M30: 46,734,524 km (0.09 R)
• M31: 50,075,643 km (0.104 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: 187 - 18,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit