🌌 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: 475.2

Radius: 9.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,238,455 km

• M1: 113,694 km (0.071 R)
• M2: 496,815 km (0.039 R)
• M3: 794,664 km (0.033 R)
• M4: 1,117,197 km (0.066 R)
• M5: 1,564,943 km (0.084 R)
• M6: 2,129,226 km (0.114 R)
• M7: 2,433,957 km (0.093 R)
• M8: 3,316,286 km (0.076 R)
• M9: 3,638,819 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.3

Radius: 14.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.76 AU - 1 AU

Year: 550 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,238,455 km

• M1: 180,265 km (0.084 R)
• M2: 822,938 km (0.108 R)
• M3: 1,979,180 km (0.108 R)
• M4: 2,514,890 km (0.073 R)
• M5: 3,490,418 km (0.062 R)
• M6: 4,128,303 km (0.109 R)
• M7: 4,721,010 km (0.096 R)
• M8: 5,174,142 km (0.119 R)
• M9: 5,760,116 km (0.117 R)
• M10: 6,408,922 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 13.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.74 AU - 1.04 AU

Year: 560 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,238,455 km

• M1: 166,951 km (0.112 R)
• M2: 584,329 km (0.097 R)
• M3: 1,042,099 km (0.061 R)
• M4: 1,497,475 km (0.088 R)
• M5: 2,070,285 km (0.099 R)
• M6: 3,026,664 km (0.082 R)
• M7: 3,652,731 km (0.079 R)
• M8: 4,083,423 km (0.104 R)
• M9: 4,818,099 km (0.1 R)
• M10: 5,268,987 km (0.025 R)
• M11: 5,803,051 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 11.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.71 AU - 1.07 AU

Year: 560 Days

Day: 8.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,238,455 km

• M1: 141,819 km (0.09 R)
• M2: 620,981 km (0.086 R)
• M3: 1,056,161 km (0.067 R)
• M4: 2,050,987 km (0.099 R)
• M5: 2,514,441 km (0.066 R)
• M6: 3,533,651 km (0.067 R)
• M7: 4,095,391 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 14

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.66 AU - 5.68 AU

Year: 6730 Days

Day: 9.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,238,455 km

• M1: 174,132 km (0.1 R)
• M2: 664,065 km (0.088 R)
• M3: 1,770,192 km (0.075 R)
• M4: 2,332,380 km (0.034 R)
• M5: 2,957,700 km (0.068 R)
• M6: 3,650,786 km (0.11 R)
• M7: 5,617,998 km (0.101 R)
• M8: 6,980,985 km (0.111 R)
• M9: 9,424,965 km (0.11 R)
• M10: 9,881,837 km (0.085 R)
• M11: 14,143,731 km (0.078 R)
• M12: 15,762,679 km (0.114 R)
• M13: 17,009,876 km (0.084 R)
• M14: 21,359,734 km (0.043 R)
• M15: 26,646,971 km (0.111 R)
• M16: 27,227,860 km (0.102 R)
• M17: 28,243,330 km (0.119 R)
• M18: 29,636,385 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 13.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.18 AU - 5.32 AU

Year: 8022 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,238,455 km

• M1: 162,912 km (0.109 R)
• M2: 870,959 km (0.059 R)
• M3: 1,391,410 km (0.084 R)
• M4: 1,801,009 km (0.072 R)
• M5: 2,591,334 km (0.03 R)
• M6: 3,178,656 km (0.093 R)
• M7: 3,651,534 km (0.112 R)
• M8: 4,710,987 km (0.056 R)
• M9: 5,296,812 km (0.066 R)
• M10: 6,842,008 km (0.111 R)
• M11: 8,228,332 km (0.087 R)
• M12: 9,361,685 km (0.082 R)
• M13: 10,648,077 km (0.115 R)
• M14: 12,503,988 km (0.111 R)
• M15: 14,250,244 km (0.05 R)
• M16: 15,949,527 km (0.081 R)
• M17: 18,370,619 km (0.076 R)
• M18: 19,050,541 km (0.105 R)
• M19: 21,027,477 km (0.102 R)
• M20: 22,362,339 km (0.054 R)
• M21: 23,488,062 km (0.078 R)
• M22: 28,974,564 km (0.105 R)
• M23: 29,999,908 km (0.04 R)
• M24: 30,837,357 km (0.074 R)
• M25: 31,906,084 km (0.095 R)
• M26: 33,220,900 km (0.102 R)
• M27: 41,105,755 km (0.028 R)
• M28: 42,399,926 km (0.108 R)
• M29: 43,189,354 km (0.104 R)
• M30: 45,754,060 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 12.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.76 AU - 6.28 AU

Year: 8648 Days

Day: 8.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,238,455 km

• M1: 156,629 km (0.091 R)
• M2: 608,564 km (0.107 R)
• M3: 1,118,543 km (0.042 R)
• M4: 1,563,148 km (0.099 R)
• M5: 2,266,258 km (0.048 R)
• M6: 2,662,094 km (0.081 R)
• M7: 7,039,328 km (0.067 R)
• M8: 8,412,187 km (0.072 R)
• M9: 9,857,752 km (0.069 R)
• M10: 10,665,879 km (0.088 R)
• M11: 11,682,098 km (0.11 R)
• M12: 14,031,682 km (0.092 R)
• M13: 14,473,145 km (0.079 R)
• M14: 19,104,246 km (0.082 R)
• M15: 20,440,305 km (0.119 R)
• M16: 22,090,818 km (0.118 R)
• M17: 23,385,738 km (0.071 R)
• M18: 24,730,772 km (0.043 R)
• M19: 25,282,938 km (0.112 R)
• M20: 31,159,890 km (0.057 R)
• M21: 36,211,661 km (0.049 R)
• M22: 36,923,896 km (0.048 R)
• M23: 37,524,681 km (0.086 R)
• M24: 43,896,054 km (0.114 R)
• M25: 44,299,819 km (0.118 R)
• M26: 45,525,923 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.7

Radius: 5.3

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.94 AU - 8.64 AU

Year: 13126 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,238,455 km

• M1: 66,571 km (0.089 R)
• M2: 260,450 km (0.091 R)
• M3: 622,776 km (0.084 R)
• M4: 917,633 km (0.073 R)
• M5: 1,364,632 km (0.102 R)
• M6: 2,166,028 km (0.074 R)
• M7: 2,384,440 km (0.114 R)
• M8: 5,127,916 km (0.057 R)
• M9: 5,856,308 km (0.096 R)
• M10: 7,394,024 km (0.109 R)
• M11: 8,767,482 km (0.084 R)
• M12: 10,816,973 km (0.084 R)
• M13: 12,810,664 km (0.084 R)
• M14: 15,564,462 km (0.11 R)
• M15: 16,726,388 km (0.083 R)
• M16: 18,092,217 km (0.081 R)
• M17: 18,538,467 km (0.111 R)
• M18: 19,842,811 km (0.036 R)
• M19: 20,557,590 km (0.029 R)
• M20: 21,870,461 km (0.096 R)
• M21: 23,765,417 km (0.084 R)
• M22: 25,673,837 km (0.098 R)
• M23: 26,522,206 km (0.039 R)
• M24: 27,584,202 km (0.083 R)
• M25: 33,992,526 km (0.091 R)
• M26: 36,409,429 km (0.102 R)
• M27: 36,645,345 km (0.085 R)
• M28: 37,359,525 km (0.119 R)
• M29: 39,061,799 km (0.093 R)
• M30: 39,682,032 km (0.118 R)
• M31: 42,359,086 km (0.103 R)
• M32: 45,426,590 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.9

Radius: 6.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.28 AU - 9.64 AU

Year: 16409 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,238,455 km

• M1: 544,237 km (0.117 R)
• M2: 749,186 km (0.05 R)
• M3: 1,015,321 km (0.109 R)
• M4: 1,792,631 km (0.116 R)
• M5: 4,004,735 km (0.088 R)
• M6: 8,919,474 km (0.106 R)
• M7: 9,738,971 km (0.107 R)
• M8: 10,064,047 km (0.097 R)
• M9: 11,437,356 km (0.118 R)
• M10: 12,029,314 km (0.107 R)
• M11: 15,082,906 km (0.048 R)
• M12: 23,237,336 km (0.107 R)
• M13: 23,891,229 km (0.091 R)
• M14: 24,259,838 km (0.077 R)
• M15: 25,312,109 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.9

Radius: 6.7

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.65 AU - 9.53 AU

Year: 16789 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,238,455 km

• M1: 83,326 km (0.054 R)
• M2: 406,009 km (0.098 R)
• M3: 1,107,323 km (0.025 R)
• M4: 1,849,179 km (0.054 R)
• M5: 2,808,999 km (0.049 R)
• M6: 3,582,420 km (0.115 R)
• M7: 4,097,486 km (0.065 R)
• M8: 4,356,440 km (0.089 R)
• M9: 6,661,144 km (0.064 R)
• M10: 7,250,560 km (0.096 R)
• M11: 7,824,866 km (0.112 R)
• M12: 8,956,125 km (0.103 R)
• M13: 10,669,171 km (0.091 R)
• M14: 11,285,663 km (0.05 R)
• M15: 13,560,000 km (0.061 R)
• M16: 15,493,103 km (0.094 R)
• M17: 15,964,038 km (0.059 R)
• M18: 17,687,555 km (0.117 R)
• M19: 18,288,639 km (0.105 R)
• M20: 22,085,732 km (0.109 R)
• M21: 22,984,366 km (0.045 R)
• M22: 24,961,003 km (0.095 R)
• M23: 27,502,222 km (0.096 R)
• M24: 30,332,464 km (0.028 R)
• M25: 30,945,666 km (0.086 R)
• M26: 34,004,194 km (0.091 R)
• M27: 35,066,938 km (0.081 R)
• M28: 36,840,869 km (0.091 R)
• M29: 39,685,323 km (0.03 R)
• M30: 47,594,862 km (0.108 R)
• M31: 48,923,740 km (0.061 R)
• M32: 52,529,497 km (0.064 R)
• M33: 53,235,898 km (0.069 R)
• M34: 66,437,910 km (0.061 R)
• M35: 69,995,647 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit