🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 12.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.64 AU - 0.82 AU

Year: 423 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,778,269 km

• M1: 156,629 km (0.091 R)
• M2: 558,898 km (0.108 R)
• M3: 1,021,305 km (0.055 R)
• M4: 1,435,242 km (0.093 R)
• M5: 1,980,227 km (0.046 R)
• M6: 3,256,446 km (0.035 R)
• M7: 4,684,957 km (0.094 R)
• M8: 5,539,908 km (0.111 R)
• M9: 6,093,869 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 9.6

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.62 AU - 0.9 AU

Year: 449 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,778,269 km

• M1: 119,379 km (0.052 R)
• M2: 482,304 km (0.081 R)
• M3: 1,129,165 km (0.093 R)
• M4: 1,782,010 km (0.087 R)
• M5: 3,575,988 km (0.069 R)
• M6: 3,877,128 km (0.117 R)
• M7: 4,305,128 km (0.054 R)
• M8: 5,068,077 km (0.103 R)
• M9: 5,400,633 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 11.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.22 AU - 1.44 AU

Year: 1040 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,778,269 km

• M1: 141,819 km (0.05 R)
• M2: 550,520 km (0.119 R)
• M3: 1,021,454 km (0.109 R)
• M4: 1,378,844 km (0.103 R)
• M5: 2,104,842 km (0.077 R)
• M6: 2,981,934 km (0.077 R)
• M7: 3,337,828 km (0.086 R)
• M8: 3,919,614 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 11

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.09 AU - 2.25 AU

Year: 2168 Days

Day: 9.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,778,269 km

• M1: 136,732 km (0.09 R)
• M2: 611,706 km (0.077 R)
• M3: 1,426,864 km (0.112 R)
• M4: 1,842,747 km (0.098 R)
• M5: 2,300,217 km (0.108 R)
• M6: 3,897,773 km (0.113 R)
• M7: 4,326,819 km (0.051 R)
• M8: 5,906,722 km (0.026 R)
• M9: 6,994,149 km (0.112 R)
• M10: 7,365,601 km (0.081 R)
• M11: 7,901,610 km (0.102 R)
• M12: 8,431,486 km (0.064 R)
• M13: 9,702,170 km (0.099 R)
• M14: 11,962,145 km (0.109 R)
• M15: 12,745,739 km (0.045 R)
• M16: 13,563,141 km (0.078 R)
• M17: 14,007,148 km (0.115 R)
• M18: 16,077,433 km (0.099 R)
• M19: 16,980,406 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 10.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.41 AU - 3.23 AU

Year: 3212 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,778,269 km

• M1: 140,622 km (0.041 R)
• M2: 491,279 km (0.118 R)
• M3: 849,566 km (0.099 R)
• M4: 1,806,993 km (0.09 R)
• M5: 2,232,150 km (0.086 R)
• M6: 3,187,183 km (0.05 R)
• M7: 3,775,850 km (0.112 R)
• M8: 4,686,004 km (0.117 R)
• M9: 8,841,683 km (0.077 R)
• M10: 11,264,869 km (0.107 R)
• M11: 14,280,314 km (0.116 R)
• M12: 16,120,068 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 9.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.33 AU - 3.43 AU

Year: 3315 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,778,269 km

• M1: 114,592 km (0.036 R)
• M2: 421,118 km (0.071 R)
• M3: 1,277,865 km (0.103 R)
• M4: 1,565,243 km (0.116 R)
• M5: 1,872,816 km (0.046 R)
• M6: 2,260,873 km (0.083 R)
• M7: 2,717,296 km (0.101 R)
• M8: 3,217,252 km (0.113 R)
• M9: 3,893,135 km (0.084 R)
• M10: 4,192,929 km (0.114 R)
• M11: 4,551,366 km (0.111 R)
• M12: 5,186,409 km (0.11 R)
• M13: 5,476,180 km (0.095 R)
• M14: 6,438,692 km (0.107 R)
• M15: 6,745,518 km (0.078 R)
• M16: 7,509,963 km (0.079 R)
• M17: 7,881,713 km (0.081 R)
• M18: 9,422,123 km (0.116 R)
• M19: 10,301,010 km (0.089 R)
• M20: 10,721,679 km (0.102 R)
• M21: 11,074,431 km (0.09 R)
• M22: 11,761,684 km (0.052 R)
• M23: 12,094,838 km (0.111 R)
• M24: 14,181,280 km (0.058 R)
• M25: 14,606,437 km (0.082 R)
• M26: 14,943,182 km (0.105 R)
• M27: 15,984,233 km (0.049 R)
• M28: 16,444,995 km (0.112 R)
• M29: 18,155,198 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 9.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.99 AU - 4.27 AU

Year: 4691 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,778,269 km

• M1: 114,442 km (0.088 R)
• M2: 652,247 km (0.095 R)
• M3: 1,023,997 km (0.12 R)
• M4: 1,841,101 km (0.072 R)
• M5: 2,199,388 km (0.115 R)
• M6: 3,847,508 km (0.05 R)
• M7: 5,017,961 km (0.078 R)
• M8: 5,825,491 km (0.094 R)
• M9: 6,382,892 km (0.104 R)
• M10: 6,802,514 km (0.036 R)
• M11: 7,573,542 km (0.085 R)
• M12: 9,183,364 km (0.1 R)
• M13: 12,540,191 km (0.084 R)
• M14: 13,881,635 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.7

Radius: 14.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.12 AU - 6.44 AU

Year: 8229 Days

Day: 13.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,778,269 km

• M1: 181,612 km (0.066 R)
• M2: 794,215 km (0.064 R)
• M3: 1,615,657 km (0.099 R)
• M4: 2,471,207 km (0.097 R)
• M5: 4,250,076 km (0.096 R)
• M6: 5,299,205 km (0.106 R)
• M7: 5,818,160 km (0.093 R)
• M8: 6,921,145 km (0.112 R)
• M9: 8,201,853 km (0.093 R)
• M10: 8,854,100 km (0.114 R)
• M11: 10,561,909 km (0.034 R)
• M12: 11,073,234 km (0.097 R)
• M13: 11,601,016 km (0.083 R)
• M14: 13,110,608 km (0.059 R)
• M15: 13,822,095 km (0.118 R)
• M16: 14,937,647 km (0.109 R)
• M17: 15,912,426 km (0.111 R)
• M18: 17,207,495 km (0.084 R)
• M19: 19,470,013 km (0.033 R)
• M20: 22,590,026 km (0.072 R)
• M21: 23,874,324 km (0.095 R)
• M22: 24,846,710 km (0.1 R)
• M23: 25,845,276 km (0.07 R)
• M24: 26,307,982 km (0.118 R)
• M25: 30,621,487 km (0.112 R)
• M26: 33,380,670 km (0.027 R)
• M27: 40,497,939 km (0.109 R)
• M28: 41,500,544 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.8

Radius: 4.1

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.73 AU - 6.35 AU

Year: 10068 Days

Day: 21.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,778,269 km

• M1: 51,013 km (0.054 R)
• M2: 203,453 km (0.107 R)
• M3: 338,989 km (0.097 R)
• M4: 480,209 km (0.114 R)
• M5: 836,402 km (0.109 R)
• M6: 1,091,466 km (0.071 R)
• M7: 1,432,250 km (0.042 R)
• M8: 2,142,242 km (0.089 R)
• M9: 3,184,340 km (0.066 R)
• M10: 3,596,333 km (0.074 R)
• M11: 3,945,943 km (0.051 R)
• M12: 4,241,698 km (0.112 R)
• M13: 5,017,213 km (0.098 R)
• M14: 5,423,671 km (0.1 R)
• M15: 6,236,137 km (0.055 R)
• M16: 7,982,243 km (0.06 R)
• M17: 8,616,538 km (0.059 R)
• M18: 9,939,731 km (0.098 R)
• M19: 11,639,612 km (0.054 R)
• M20: 16,780,393 km (0.065 R)
• M21: 20,162,203 km (0.108 R)
• M22: 20,889,099 km (0.095 R)
• M23: 21,784,143 km (0.038 R)
• M24: 26,044,391 km (0.113 R)
• M25: 27,343,948 km (0.029 R)
• M26: 32,775,397 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.3

Radius: 7.1

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.31 AU - 10.47 AU

Year: 16483 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,778,269 km

• M1: 88,412 km (0.09 R)
• M2: 481,705 km (0.112 R)
• M3: 750,832 km (0.104 R)
• M4: 1,033,123 km (0.119 R)
• M5: 2,422,738 km (0.102 R)
• M6: 3,209,024 km (0.092 R)
• M7: 3,458,104 km (0.07 R)
• M8: 4,251,721 km (0.117 R)
• M9: 4,761,700 km (0.118 R)
• M10: 5,049,975 km (0.103 R)
• M11: 5,944,122 km (0.102 R)
• M12: 6,625,839 km (0.109 R)
• M13: 8,296,848 km (0.029 R)
• M14: 9,257,565 km (0.113 R)
• M15: 9,764,702 km (0.088 R)
• M16: 10,230,998 km (0.034 R)
• M17: 11,082,509 km (0.049 R)
• M18: 13,631,208 km (0.11 R)
• M19: 18,323,196 km (0.068 R)
• M20: 24,518,044 km (0.067 R)
• M21: 27,047,145 km (0.106 R)
• M22: 28,551,053 km (0.081 R)
• M23: 32,617,273 km (0.115 R)
• M24: 34,319,696 km (0.06 R)
• M25: 36,913,424 km (0.078 R)
• M26: 39,634,759 km (0.093 R)
• M27: 41,875,586 km (0.085 R)
• M28: 44,833,285 km (0.104 R)
• M29: 45,312,746 km (0.08 R)
• M30: 48,764,867 km (0.082 R)
• M31: 51,684,718 km (0.073 R)
• M32: 64,125,576 km (0.033 R)
• M33: 65,142,094 km (0.054 R)
• M34: 68,678,288 km (0.103 R)
• M35: 74,108,092 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 18,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit