🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.6

Radius: 13

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,018,706 km

• M1: 161,865 km (0.06 R)
• M2: 632,201 km (0.076 R)
• M3: 1,067,530 km (0.066 R)
• M4: 1,549,385 km (0.109 R)
• M5: 2,028,398 km (0.062 R)
• M6: 2,463,428 km (0.055 R)
• M7: 3,103,557 km (0.053 R)
• M8: 3,733,664 km (0.091 R)
• M9: 4,760,952 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 14.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.76 AU - 1.1 AU

Year: 588 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,018,706 km

• M1: 181,612 km (0.07 R)
• M2: 880,832 km (0.115 R)
• M3: 1,509,293 km (0.098 R)
• M4: 4,604,174 km (0.085 R)
• M5: 6,000,969 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 8.4

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.21 AU - 1.75 AU

Year: 1181 Days

Day: 9.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,018,706 km

• M1: 104,419 km (0.108 R)
• M2: 422,913 km (0.099 R)
• M3: 846,275 km (0.102 R)
• M4: 1,154,447 km (0.062 R)
• M5: 1,428,510 km (0.101 R)
• M6: 2,155,257 km (0.078 R)
• M7: 2,874,224 km (0.074 R)
• M8: 3,680,108 km (0.112 R)
• M9: 4,684,957 km (0.08 R)
• M10: 6,241,971 km (0.045 R)
• M11: 6,709,764 km (0.047 R)
• M12: 7,100,513 km (0.098 R)
• M13: 7,532,402 km (0.12 R)
• M14: 9,109,463 km (0.107 R)
• M15: 9,407,163 km (0.094 R)
• M16: 10,180,285 km (0.067 R)
• M17: 10,795,730 km (0.085 R)
• M18: 11,095,824 km (0.106 R)
• M19: 11,712,616 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.2

Radius: 14.9

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.02 AU - 2.04 AU

Year: 1897 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,018,706 km

• M1: 185,352 km (0.117 R)
• M2: 832,363 km (0.114 R)
• M3: 1,555,070 km (0.039 R)
• M4: 2,056,971 km (0.076 R)
• M5: 2,795,685 km (0.051 R)
• M6: 3,387,195 km (0.085 R)
• M7: 4,092,699 km (0.096 R)
• M8: 6,705,575 km (0.116 R)
• M9: 8,464,696 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 8.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.03 AU - 3.63 AU

Year: 3986 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,018,706 km

• M1: 106,962 km (0.043 R)
• M2: 390,301 km (0.107 R)
• M3: 772,374 km (0.117 R)
• M4: 1,055,413 km (0.071 R)
• M5: 1,360,593 km (0.065 R)
• M6: 1,999,824 km (0.068 R)
• M7: 2,533,290 km (0.044 R)
• M8: 2,923,142 km (0.106 R)
• M9: 3,843,319 km (0.093 R)
• M10: 4,274,011 km (0.101 R)
• M11: 5,762,211 km (0.084 R)
• M12: 6,216,839 km (0.055 R)
• M13: 6,724,125 km (0.057 R)
• M14: 7,289,455 km (0.077 R)
• M15: 7,982,991 km (0.081 R)
• M16: 9,428,406 km (0.098 R)
• M17: 10,759,976 km (0.107 R)
• M18: 14,654,757 km (0.09 R)
• M19: 14,950,362 km (0.117 R)
• M20: 15,300,272 km (0.116 R)
• M21: 15,860,965 km (0.112 R)
• M22: 19,163,936 km (0.096 R)
• M23: 19,517,585 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 12.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.43 AU - 4.31 AU

Year: 4994 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,018,706 km

• M1: 151,692 km (0.051 R)
• M2: 580,739 km (0.116 R)
• M3: 1,101,938 km (0.084 R)
• M4: 1,861,746 km (0.081 R)
• M5: 2,376,362 km (0.12 R)
• M6: 3,718,105 km (0.078 R)
• M7: 4,238,108 km (0.089 R)
• M8: 7,277,188 km (0.106 R)
• M9: 7,865,557 km (0.108 R)
• M10: 8,288,320 km (0.081 R)
• M11: 8,889,405 km (0.11 R)
• M12: 11,687,483 km (0.053 R)
• M13: 13,612,209 km (0.059 R)
• M14: 13,998,920 km (0.086 R)
• M15: 14,563,951 km (0.097 R)
• M16: 17,233,525 km (0.1 R)
• M17: 22,509,393 km (0.04 R)
• M18: 24,483,337 km (0.085 R)
• M19: 26,143,574 km (0.108 R)
• M20: 27,262,417 km (0.074 R)
• M21: 28,773,056 km (0.084 R)
• M22: 31,382,043 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 9.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.07 AU - 5.37 AU

Year: 6727 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,018,706 km

• M1: 123,119 km (0.03 R)
• M2: 628,161 km (0.118 R)
• M3: 937,979 km (0.101 R)
• M4: 1,742,366 km (0.113 R)
• M5: 2,165,429 km (0.12 R)
• M6: 3,324,962 km (0.095 R)
• M7: 4,766,039 km (0.101 R)
• M8: 5,701,624 km (0.059 R)
• M9: 6,012,937 km (0.118 R)
• M10: 6,557,174 km (0.1 R)
• M11: 6,986,669 km (0.093 R)
• M12: 7,588,352 km (0.085 R)
• M13: 8,826,574 km (0.117 R)
• M14: 10,081,849 km (0.085 R)
• M15: 14,559,164 km (0.072 R)
• M16: 16,357,480 km (0.04 R)
• M17: 17,041,890 km (0.082 R)
• M18: 19,267,757 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 9.1

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.25 AU - 5.83 AU

Year: 7423 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,018,706 km

• M1: 113,246 km (0.096 R)
• M2: 411,843 km (0.112 R)
• M3: 927,507 km (0.116 R)
• M4: 1,242,410 km (0.105 R)
• M5: 2,033,185 km (0.089 R)
• M6: 2,521,023 km (0.088 R)
• M7: 3,211,866 km (0.066 R)
• M8: 3,899,867 km (0.102 R)
• M9: 4,491,377 km (0.049 R)
• M10: 5,724,512 km (0.093 R)
• M11: 6,986,221 km (0.077 R)
• M12: 7,547,362 km (0.075 R)
• M13: 7,898,169 km (0.107 R)
• M14: 9,103,479 km (0.102 R)
• M15: 9,456,530 km (0.069 R)
• M16: 10,379,549 km (0.119 R)
• M17: 10,667,824 km (0.113 R)
• M18: 12,838,190 km (0.081 R)
• M19: 17,216,770 km (0.098 R)
• M20: 17,553,515 km (0.118 R)
• M21: 19,375,617 km (0.055 R)
• M22: 22,340,048 km (0.107 R)
• M23: 23,474,150 km (0.098 R)
• M24: 26,209,846 km (0.075 R)
• M25: 27,746,366 km (0.086 R)
• M26: 28,489,718 km (0.068 R)
• M27: 29,533,612 km (0.072 R)
• M28: 30,504,502 km (0.107 R)
• M29: 30,997,876 km (0.115 R)
• M30: 36,781,479 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 17,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit