🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 11.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.92 AU - 1 AU

Year: 617 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,138,434 km

• M1: 139,425 km (0.114 R)
• M2: 651,200 km (0.113 R)
• M3: 1,197,830 km (0.097 R)
• M4: 1,675,047 km (0.11 R)
• M5: 2,109,928 km (0.113 R)
• M6: 2,464,924 km (0.096 R)
• M7: 3,605,009 km (0.111 R)
• M8: 4,045,276 km (0.093 R)
• M9: 4,757,063 km (0.107 R)
• M10: 5,821,601 km (0.063 R)
• M11: 6,729,361 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 10.7

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.31 AU - 1.61 AU

Year: 1157 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,138,434 km

• M1: 134,488 km (0.079 R)
• M2: 498,909 km (0.092 R)
• M3: 979,118 km (0.115 R)
• M4: 1,404,275 km (0.075 R)
• M5: 1,742,067 km (0.083 R)
• M6: 2,612,577 km (0.105 R)
• M7: 3,264,375 km (0.108 R)
• M8: 3,605,159 km (0.107 R)
• M9: 3,969,729 km (0.106 R)
• M10: 4,322,630 km (0.108 R)
• M11: 4,832,460 km (0.059 R)
• M12: 5,617,550 km (0.085 R)
• M13: 6,109,727 km (0.097 R)
• M14: 6,777,681 km (0.102 R)
• M15: 7,734,210 km (0.086 R)
• M16: 10,171,907 km (0.073 R)
• M17: 10,667,675 km (0.099 R)
• M18: 11,815,240 km (0.102 R)
• M19: 12,587,314 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.3

Radius: 12.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.71 AU - 1.77 AU

Year: 1506 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,138,434 km

• M1: 159,322 km (0.088 R)
• M2: 585,975 km (0.075 R)
• M3: 1,138,739 km (0.077 R)
• M4: 1,628,223 km (0.052 R)
• M5: 2,046,648 km (0.05 R)
• M6: 2,498,434 km (0.078 R)
• M7: 3,342,914 km (0.066 R)
• M8: 3,867,853 km (0.12 R)
• M9: 4,408,500 km (0.064 R)
• M10: 5,041,747 km (0.118 R)
• M11: 5,527,492 km (0.062 R)
• M12: 6,068,587 km (0.114 R)
• M13: 6,516,633 km (0.096 R)
• M14: 7,423,645 km (0.064 R)
• M15: 7,936,915 km (0.112 R)
• M16: 8,565,525 km (0.11 R)
• M17: 10,546,650 km (0.105 R)
• M18: 11,988,025 km (0.083 R)
• M19: 12,576,095 km (0.102 R)
• M20: 13,307,179 km (0.034 R)
• M21: 15,168,327 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 14

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.46 AU - 2.18 AU

Year: 1611 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,138,434 km

• M1: 194,776 km (0.067 R)
• M2: 755,469 km (0.047 R)
• M3: 1,277,117 km (0.1 R)
• M4: 1,856,809 km (0.037 R)
• M5: 2,319,964 km (0.076 R)
• M6: 3,268,265 km (0.066 R)
• M7: 5,508,642 km (0.115 R)
• M8: 6,278,772 km (0.038 R)
• M9: 6,950,467 km (0.09 R)
• M10: 7,929,136 km (0.078 R)
• M11: 8,603,523 km (0.112 R)
• M12: 9,345,080 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 11.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.97 AU - 2.99 AU

Year: 2562 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,138,434 km

• M1: 145,559 km (0.093 R)
• M2: 637,137 km (0.118 R)
• M3: 1,328,728 km (0.074 R)
• M4: 2,090,630 km (0.055 R)
• M5: 2,681,691 km (0.067 R)
• M6: 3,561,177 km (0.076 R)
• M7: 4,324,276 km (0.05 R)
• M8: 6,445,723 km (0.034 R)
• M9: 6,866,841 km (0.108 R)
• M10: 7,640,562 km (0.107 R)
• M11: 9,046,632 km (0.114 R)
• M12: 9,503,803 km (0.108 R)
• M13: 11,900,959 km (0.067 R)
• M14: 13,783,798 km (0.118 R)
• M15: 14,532,685 km (0.087 R)
• M16: 15,706,580 km (0.111 R)
• M17: 17,747,543 km (0.103 R)
• M18: 19,088,090 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 12.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.94 AU - 4.6 AU

Year: 5788 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,138,434 km

• M1: 259,552 km (0.104 R)
• M2: 1,662,332 km (0.11 R)
• M3: 2,838,320 km (0.109 R)
• M4: 4,272,366 km (0.096 R)
• M5: 8,038,791 km (0.072 R)
• M6: 9,962,171 km (0.09 R)
• M7: 11,254,098 km (0.056 R)
• M8: 12,413,631 km (0.082 R)
• M9: 13,498,515 km (0.099 R)
• M10: 14,273,881 km (0.109 R)
• M11: 15,743,979 km (0.058 R)
• M12: 18,729,504 km (0.092 R)
• M13: 23,887,040 km (0.101 R)
• M14: 26,033,470 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.6

Radius: 3.5

Gravity: 42.99 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.57 AU - 8.59 AU

Year: 13690 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 54,138,434 km

• M1: 52,958 km (0.044 R)
• M2: 167,998 km (0.104 R)
• M3: 516,412 km (0.053 R)
• M4: 627,413 km (0.086 R)
• M5: 763,697 km (0.117 R)
• M6: 1,639,593 km (0.067 R)
• M7: 1,952,402 km (0.119 R)
• M8: 2,588,492 km (0.064 R)
• M9: 3,227,724 km (0.09 R)
• M10: 4,137,877 km (0.112 R)
• M11: 5,172,795 km (0.119 R)
• M12: 5,659,886 km (0.102 R)
• M13: 6,485,965 km (0.114 R)
• M14: 7,346,602 km (0.107 R)
• M15: 8,656,481 km (0.071 R)
• M16: 8,848,564 km (0.114 R)
• M17: 9,092,708 km (0.068 R)
• M18: 9,341,340 km (0.035 R)
• M19: 10,008,846 km (0.075 R)
• M20: 10,707,617 km (0.091 R)
• M21: 10,873,372 km (0.105 R)
• M22: 12,811,562 km (0.072 R)
• M23: 13,763,902 km (0.07 R)
• M24: 14,224,214 km (0.093 R)
• M25: 15,384,495 km (0.025 R)
• M26: 25,321,384 km (0.087 R)
• M27: 25,813,262 km (0.1 R)
• M28: 28,685,392 km (0.085 R)
• M29: 29,219,755 km (0.12 R)
• M30: 29,652,093 km (0.056 R)
• M31: 32,797,688 km (0.113 R)
• M32: 33,382,017 km (0.053 R)
• M33: 33,735,816 km (0.113 R)
• M34: 37,922,312 km (0.08 R)
• M35: 39,216,334 km (0.116 R)
• M36: 39,610,375 km (0.095 R)
• M37: 40,673,567 km (0.07 R)
• M38: 41,483,490 km (0.097 R)
• M39: 42,029,372 km (0.103 R)
• M40: 42,304,034 km (0.044 R)
• M41: 42,857,097 km (0.069 R)
• M42: 44,260,774 km (0.078 R)
• M43: 49,109,690 km (0.117 R)
• M44: 50,491,077 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 12,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit