🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 14.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.59 AU - 0.93 AU

Year: 428 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,434,932 km

• M1: 183,108 km (0.085 R)
• M2: 640,877 km (0.048 R)
• M3: 1,409,960 km (0.111 R)
• M4: 2,113,070 km (0.1 R)
• M5: 2,967,423 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350

Radius: 14.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.77 AU - 1.19 AU

Year: 626 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,434,932 km

• M1: 182,809 km (0.069 R)
• M2: 768,335 km (0.034 R)
• M3: 1,291,329 km (0.043 R)
• M4: 1,969,456 km (0.118 R)
• M5: 2,755,742 km (0.098 R)
• M6: 3,344,111 km (0.071 R)
• M7: 4,441,411 km (0.044 R)
• M8: 4,943,162 km (0.111 R)
• M9: 5,767,148 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 10.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.8 AU - 1.24 AU

Year: 665 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,434,932 km

• M1: 130,599 km (0.105 R)
• M2: 516,113 km (0.103 R)
• M3: 919,578 km (0.109 R)
• M4: 1,447,060 km (0.093 R)
• M5: 2,062,057 km (0.116 R)
• M6: 2,579,217 km (0.112 R)
• M7: 3,762,835 km (0.118 R)
• M8: 4,092,399 km (0.115 R)
• M9: 4,455,174 km (0.096 R)
• M10: 4,883,622 km (0.109 R)
• M11: 5,308,032 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 10.4

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.86 AU - 2.16 AU

Year: 1840 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,434,932 km

• M1: 129,402 km (0.115 R)
• M2: 588,219 km (0.069 R)
• M3: 1,063,342 km (0.071 R)
• M4: 1,386,772 km (0.085 R)
• M5: 1,976,487 km (0.092 R)
• M6: 2,435,453 km (0.075 R)
• M7: 2,844,005 km (0.087 R)
• M8: 3,448,680 km (0.093 R)
• M9: 4,022,687 km (0.083 R)
• M10: 4,722,506 km (0.049 R)
• M11: 5,361,887 km (0.057 R)
• M12: 5,787,343 km (0.114 R)
• M13: 6,337,714 km (0.119 R)
• M14: 6,705,874 km (0.091 R)
• M15: 7,228,569 km (0.117 R)
• M16: 7,660,159 km (0.107 R)
• M17: 8,169,989 km (0.092 R)
• M18: 8,863,375 km (0.081 R)
• M19: 9,871,365 km (0.075 R)
• M20: 11,218,045 km (0.098 R)
• M21: 12,114,585 km (0.086 R)
• M22: 12,559,938 km (0.108 R)
• M23: 13,917,838 km (0.085 R)
• M24: 14,952,756 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.9

Radius: 11.8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.32 AU - 2.98 AU

Year: 2785 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,434,932 km

• M1: 146,756 km (0.104 R)
• M2: 530,624 km (0.114 R)
• M3: 1,088,175 km (0.093 R)
• M4: 1,492,239 km (0.086 R)
• M5: 2,099,457 km (0.07 R)
• M6: 2,527,306 km (0.052 R)
• M7: 3,063,914 km (0.107 R)
• M8: 4,302,884 km (0.061 R)
• M9: 5,241,161 km (0.036 R)
• M10: 6,118,553 km (0.117 R)
• M11: 7,303,966 km (0.106 R)
• M12: 7,935,269 km (0.081 R)
• M13: 8,740,256 km (0.067 R)
• M14: 9,488,694 km (0.113 R)
• M15: 14,077,908 km (0.12 R)
• M16: 15,975,257 km (0.067 R)
• M17: 17,039,497 km (0.045 R)
• M18: 19,606,447 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 10.2

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.27 AU - 3.49 AU

Year: 3156 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,434,932 km

• M1: 126,859 km (0.114 R)
• M2: 534,962 km (0.108 R)
• M3: 855,401 km (0.052 R)
• M4: 1,243,607 km (0.113 R)
• M5: 1,770,790 km (0.098 R)
• M6: 2,272,691 km (0.057 R)
• M7: 2,592,830 km (0.051 R)
• M8: 3,051,348 km (0.088 R)
• M9: 4,428,396 km (0.081 R)
• M10: 4,997,915 km (0.09 R)
• M11: 5,663,327 km (0.054 R)
• M12: 6,360,901 km (0.112 R)
• M13: 7,003,424 km (0.104 R)
• M14: 7,600,769 km (0.117 R)
• M15: 10,334,969 km (0.118 R)
• M16: 10,662,289 km (0.058 R)
• M17: 15,716,453 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 10.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.7 AU - 3.7 AU

Year: 3696 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,434,932 km

• M1: 133,142 km (0.052 R)
• M2: 571,613 km (0.115 R)
• M3: 954,734 km (0.089 R)
• M4: 2,382,496 km (0.117 R)
• M5: 2,789,701 km (0.114 R)
• M6: 3,834,642 km (0.069 R)
• M7: 4,222,998 km (0.074 R)
• M8: 4,781,746 km (0.047 R)
• M9: 6,549,844 km (0.076 R)
• M10: 7,052,792 km (0.088 R)
• M11: 9,895,600 km (0.114 R)
• M12: 10,346,189 km (0.066 R)
• M13: 10,774,188 km (0.093 R)
• M14: 11,780,384 km (0.1 R)
• M15: 12,485,289 km (0.076 R)
• M16: 13,552,969 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 10.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.32 AU - 5.72 AU

Year: 7262 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,434,932 km

• M1: 127,009 km (0.094 R)
• M2: 507,735 km (0.105 R)
• M3: 921,373 km (0.08 R)
• M4: 3,096,227 km (0.11 R)
• M5: 4,116,335 km (0.069 R)
• M6: 6,293,882 km (0.045 R)
• M7: 7,074,633 km (0.064 R)
• M8: 10,148,420 km (0.083 R)
• M9: 12,969,986 km (0.115 R)
• M10: 13,538,757 km (0.09 R)
• M11: 14,893,515 km (0.042 R)
• M12: 15,345,450 km (0.118 R)
• M13: 20,800,088 km (0.117 R)
• M14: 21,723,406 km (0.097 R)
• M15: 23,728,317 km (0.06 R)
• M16: 27,676,803 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.15 AU - 5.85 AU

Year: 8328 Days

Day: 9.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,434,932 km

• M1: 169,494 km (0.081 R)
• M2: 760,256 km (0.096 R)
• M3: 1,541,008 km (0.078 R)
• M4: 2,042,460 km (0.067 R)
• M5: 2,813,786 km (0.076 R)
• M6: 3,797,392 km (0.093 R)
• M7: 5,440,426 km (0.098 R)
• M8: 6,366,885 km (0.06 R)
• M9: 6,887,336 km (0.102 R)
• M10: 7,476,453 km (0.119 R)
• M11: 8,533,212 km (0.087 R)
• M12: 9,832,320 km (0.104 R)
• M13: 10,942,486 km (0.12 R)
• M14: 12,417,222 km (0.043 R)
• M15: 14,144,927 km (0.106 R)
• M16: 15,294,886 km (0.09 R)
• M17: 16,575,444 km (0.119 R)
• M18: 20,846,314 km (0.11 R)
• M19: 22,760,418 km (0.092 R)
• M20: 26,648,766 km (0.084 R)
• M21: 27,515,387 km (0.063 R)
• M22: 28,699,903 km (0.118 R)
• M23: 33,446,344 km (0.113 R)
• M24: 39,430,259 km (0.097 R)
• M25: 42,739,364 km (0.109 R)
• M26: 44,193,455 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981

Radius: 7.3

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.78 AU - 7.96 AU

Year: 14255 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,434,932 km

• M1: 90,806 km (0.089 R)
• M2: 552,166 km (0.086 R)
• M3: 808,576 km (0.116 R)
• M4: 1,466,059 km (0.082 R)
• M5: 1,774,979 km (0.031 R)
• M6: 2,126,833 km (0.091 R)
• M7: 2,729,862 km (0.086 R)
• M8: 4,021,490 km (0.083 R)
• M9: 4,940,320 km (0.098 R)
• M10: 5,873,063 km (0.083 R)
• M11: 6,528,601 km (0.08 R)
• M12: 7,051,445 km (0.1 R)
• M13: 7,369,191 km (0.087 R)
• M14: 9,050,522 km (0.086 R)
• M15: 10,497,731 km (0.066 R)
• M16: 10,972,555 km (0.088 R)
• M17: 11,774,549 km (0.051 R)
• M18: 12,681,112 km (0.116 R)
• M19: 12,948,593 km (0.111 R)
• M20: 13,703,315 km (0.086 R)
• M21: 14,632,766 km (0.111 R)
• M22: 20,738,304 km (0.116 R)
• M23: 22,935,149 km (0.1 R)
• M24: 23,332,481 km (0.101 R)
• M25: 24,551,853 km (0.102 R)
• M26: 25,600,085 km (0.118 R)
• M27: 30,448,851 km (0.108 R)
• M28: 32,899,265 km (0.082 R)
• M29: 33,787,128 km (0.107 R)
• M30: 35,610,427 km (0.087 R)
• M31: 40,022,666 km (0.086 R)
• M32: 42,807,730 km (0.1 R)
• M33: 43,108,122 km (0.102 R)
• M34: 43,410,011 km (0.108 R)
• M35: 67,414,934 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 11,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit