🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 13.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.92 AU - 1.16 AU

Year: 707 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,397,034 km

• M1: 171,888 km (0.035 R)
• M2: 666,459 km (0.073 R)
• M3: 1,145,770 km (0.066 R)
• M4: 1,888,972 km (0.114 R)
• M5: 2,405,683 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 8.4

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.32 AU - 2.5 AU

Year: 2495 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,397,034 km

• M1: 104,419 km (0.104 R)
• M2: 391,647 km (0.091 R)
• M3: 808,427 km (0.069 R)
• M4: 1,180,626 km (0.086 R)
• M5: 1,466,807 km (0.086 R)
• M6: 2,209,561 km (0.085 R)
• M7: 2,650,276 km (0.071 R)
• M8: 3,064,064 km (0.09 R)
• M9: 4,021,340 km (0.106 R)
• M10: 4,861,183 km (0.115 R)
• M11: 5,141,828 km (0.091 R)
• M12: 5,710,300 km (0.119 R)
• M13: 6,023,109 km (0.095 R)
• M14: 7,299,479 km (0.12 R)
• M15: 7,953,221 km (0.069 R)
• M16: 8,443,753 km (0.077 R)
• M17: 8,954,181 km (0.117 R)
• M18: 10,377,754 km (0.114 R)
• M19: 12,589,858 km (0.114 R)
• M20: 13,211,138 km (0.099 R)
• M21: 14,418,841 km (0.083 R)
• M22: 19,110,530 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 8

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.33 AU - 3.39 AU

Year: 3225 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,397,034 km

• M1: 99,483 km (0.082 R)
• M2: 409,001 km (0.105 R)
• M3: 807,679 km (0.061 R)
• M4: 1,485,357 km (0.103 R)
• M5: 1,758,074 km (0.106 R)
• M6: 2,104,992 km (0.062 R)
• M7: 2,421,092 km (0.093 R)
• M8: 2,670,771 km (0.117 R)
• M9: 3,259,438 km (0.113 R)
• M10: 5,235,925 km (0.113 R)
• M11: 5,496,076 km (0.051 R)
• M12: 5,902,683 km (0.12 R)
• M13: 6,213,548 km (0.117 R)
• M14: 6,806,853 km (0.089 R)
• M15: 7,766,673 km (0.117 R)
• M16: 8,244,339 km (0.09 R)
• M17: 9,183,215 km (0.092 R)
• M18: 9,601,191 km (0.06 R)
• M19: 10,312,529 km (0.115 R)
• M20: 11,401,452 km (0.096 R)
• M21: 12,565,174 km (0.069 R)
• M22: 13,954,340 km (0.075 R)
• M23: 15,231,756 km (0.103 R)
• M24: 16,143,705 km (0.097 R)
• M25: 16,529,667 km (0.113 R)
• M26: 17,550,373 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.9

Radius: 5.9

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.97 AU - 9.03 AU

Year: 15089 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,397,034 km

• M1: 73,453 km (0.06 R)
• M2: 484,099 km (0.099 R)
• M3: 1,015,321 km (0.099 R)
• M4: 1,894,657 km (0.113 R)
• M5: 2,202,978 km (0.088 R)
• M6: 2,727,768 km (0.045 R)
• M7: 3,199,599 km (0.117 R)
• M8: 3,496,701 km (0.092 R)
• M9: 4,838,294 km (0.065 R)
• M10: 5,415,293 km (0.107 R)
• M11: 5,759,518 km (0.066 R)
• M12: 7,750,666 km (0.103 R)
• M13: 8,138,573 km (0.067 R)
• M14: 12,758,006 km (0.07 R)
• M15: 13,298,652 km (0.111 R)
• M16: 13,854,408 km (0.112 R)
• M17: 20,749,823 km (0.06 R)
• M18: 21,121,275 km (0.088 R)
• M19: 21,973,234 km (0.073 R)
• M20: 23,745,371 km (0.071 R)
• M21: 35,352,221 km (0.038 R)
• M22: 40,746,271 km (0.057 R)
• M23: 42,659,329 km (0.087 R)
• M24: 44,324,353 km (0.049 R)
• M25: 47,622,089 km (0.11 R)
• M26: 51,079,894 km (0.092 R)
• M27: 51,417,686 km (0.114 R)
• M28: 59,978,723 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.4

Radius: 8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.09 AU - 10.75 AU

Year: 19280 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,397,034 km

• M1: 108,458 km (0.034 R)
• M2: 394,190 km (0.096 R)
• M3: 702,960 km (0.055 R)
• M4: 1,112,410 km (0.091 R)
• M5: 1,593,068 km (0.069 R)
• M6: 2,287,501 km (0.045 R)
• M7: 3,016,791 km (0.103 R)
• M8: 3,408,139 km (0.07 R)
• M9: 5,212,887 km (0.059 R)
• M10: 6,299,716 km (0.035 R)
• M11: 9,833,068 km (0.06 R)
• M12: 10,694,752 km (0.112 R)
• M13: 16,631,394 km (0.056 R)
• M14: 17,521,052 km (0.075 R)
• M15: 18,357,155 km (0.115 R)
• M16: 20,380,765 km (0.113 R)
• M17: 20,655,277 km (0.057 R)
• M18: 24,658,367 km (0.119 R)
• M19: 30,920,833 km (0.1 R)
• M20: 33,646,057 km (0.074 R)
• M21: 35,329,632 km (0.104 R)
• M22: 38,863,732 km (0.117 R)
• M23: 43,831,578 km (0.097 R)
• M24: 49,042,520 km (0.068 R)
• M25: 51,711,646 km (0.11 R)
• M26: 57,519,484 km (0.095 R)
• M27: 57,884,802 km (0.103 R)
• M28: 62,969,633 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.4

Radius: 8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.03 AU - 12.97 AU

Year: 22689 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,397,034 km

• M1: 100,081 km (0.081 R)
• M2: 565,480 km (0.1 R)
• M3: 870,211 km (0.032 R)
• M4: 1,500,915 km (0.08 R)
• M5: 2,184,428 km (0.117 R)
• M6: 3,102,061 km (0.07 R)
• M7: 4,632,747 km (0.097 R)
• M8: 5,996,930 km (0.062 R)
• M9: 6,541,017 km (0.12 R)
• M10: 10,861,553 km (0.107 R)
• M11: 16,256,202 km (0.055 R)
• M12: 16,778,748 km (0.086 R)
• M13: 17,515,517 km (0.101 R)
• M14: 19,415,111 km (0.074 R)
• M15: 21,215,521 km (0.117 R)
• M16: 22,798,566 km (0.107 R)
• M17: 25,145,008 km (0.087 R)
• M18: 25,580,338 km (0.104 R)
• M19: 31,003,860 km (0.079 R)
• M20: 34,194,932 km (0.107 R)
• M21: 35,486,859 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 17,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit