🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 11.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.85 AU - 2.07 AU

Year: 1800 Days

Day: 8.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,325,252 km

• M1: 150,645 km (0.115 R)
• M2: 753,076 km (0.076 R)
• M3: 1,129,763 km (0.114 R)
• M4: 1,845,439 km (0.111 R)
• M5: 2,867,043 km (0.07 R)
• M6: 3,496,701 km (0.079 R)
• M7: 4,247,832 km (0.099 R)
• M8: 5,394,649 km (0.05 R)
• M9: 6,587,542 km (0.048 R)
• M10: 7,133,425 km (0.077 R)
• M11: 8,143,061 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 12.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.18 AU - 2.54 AU

Year: 2378 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,325,252 km

• M1: 156,180 km (0.057 R)
• M2: 1,668,315 km (0.071 R)
• M3: 2,232,000 km (0.083 R)
• M4: 3,620,418 km (0.116 R)
• M5: 4,049,315 km (0.091 R)
• M6: 4,553,909 km (0.077 R)
• M7: 5,261,058 km (0.056 R)
• M8: 8,263,038 km (0.11 R)
• M9: 14,074,616 km (0.077 R)
• M10: 15,190,168 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 14.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.55 AU - 4.17 AU

Year: 4975 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,325,252 km

• M1: 179,517 km (0.108 R)
• M2: 645,964 km (0.076 R)
• M3: 1,188,854 km (0.117 R)
• M4: 2,069,986 km (0.1 R)
• M5: 3,373,881 km (0.042 R)
• M6: 4,128,752 km (0.102 R)
• M7: 5,094,705 km (0.089 R)
• M8: 5,699,679 km (0.095 R)
• M9: 7,573,392 km (0.112 R)
• M10: 9,710,847 km (0.117 R)
• M11: 10,395,257 km (0.097 R)
• M12: 11,548,357 km (0.097 R)
• M13: 12,270,915 km (0.104 R)
• M14: 13,023,542 km (0.118 R)
• M15: 13,957,033 km (0.087 R)
• M16: 15,575,382 km (0.063 R)
• M17: 16,514,408 km (0.104 R)
• M18: 17,373,848 km (0.117 R)
• M19: 17,903,873 km (0.064 R)
• M20: 21,246,787 km (0.074 R)
• M21: 24,615,432 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 13.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.37 AU - 5.45 AU

Year: 7137 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,325,252 km

• M1: 176,675 km (0.093 R)
• M2: 706,102 km (0.088 R)
• M3: 1,140,983 km (0.095 R)
• M4: 2,087,189 km (0.099 R)
• M5: 2,768,009 km (0.116 R)
• M6: 4,076,392 km (0.097 R)
• M7: 4,550,917 km (0.09 R)
• M8: 5,260,460 km (0.033 R)
• M9: 9,489,591 km (0.088 R)
• M10: 10,557,421 km (0.033 R)
• M11: 14,757,531 km (0.077 R)
• M12: 18,711,552 km (0.046 R)
• M13: 19,677,805 km (0.119 R)
• M14: 21,485,396 km (0.1 R)
• M15: 24,685,743 km (0.102 R)
• M16: 30,673,697 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.3

Radius: 4.6

Gravity: 41.51 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.97 AU - 7.17 AU

Year: 11047 Days

Day: 24.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 32,325,252 km

• M1: 57,146 km (0.1 R)
• M2: 213,027 km (0.062 R)
• M3: 515,365 km (0.067 R)
• M4: 716,125 km (0.088 R)
• M5: 894,894 km (0.12 R)
• M6: 1,045,540 km (0.066 R)
• M7: 2,036,925 km (0.1 R)
• M8: 2,359,906 km (0.076 R)
• M9: 3,254,352 km (0.078 R)
• M10: 3,750,119 km (0.113 R)
• M11: 4,234,966 km (0.06 R)
• M12: 4,890,205 km (0.119 R)
• M13: 5,610,668 km (0.113 R)
• M14: 5,865,882 km (0.057 R)
• M15: 6,557,473 km (0.118 R)
• M16: 7,089,892 km (0.101 R)
• M17: 8,101,473 km (0.096 R)
• M18: 8,617,735 km (0.105 R)
• M19: 8,859,635 km (0.087 R)
• M20: 11,826,460 km (0.1 R)
• M21: 12,428,890 km (0.118 R)
• M22: 14,358,703 km (0.044 R)
• M23: 17,691,743 km (0.098 R)
• M24: 24,268,365 km (0.108 R)
• M25: 25,436,575 km (0.074 R)
• M26: 26,846,235 km (0.098 R)
• M27: 28,949,133 km (0.113 R)
• M28: 37,812,358 km (0.073 R)
• M29: 38,590,716 km (0.117 R)
• M30: 38,852,661 km (0.068 R)
• M31: 42,923,668 km (0.117 R)
• M32: 53,346,451 km (0.042 R)
• M33: 53,671,378 km (0.11 R)
• M34: 53,834,439 km (0.104 R)
• M35: 53,997,651 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.9

Radius: 7.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.48 AU - 10.9 AU

Year: 18276 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,325,252 km

• M1: 131,347 km (0.05 R)
• M2: 540,796 km (0.038 R)
• M3: 917,035 km (0.047 R)
• M4: 4,727,592 km (0.113 R)
• M5: 5,109,366 km (0.07 R)
• M6: 7,772,208 km (0.056 R)
• M7: 8,382,417 km (0.081 R)
• M8: 19,538,978 km (0.094 R)
• M9: 20,167,139 km (0.115 R)
• M10: 20,736,658 km (0.103 R)
• M11: 21,537,157 km (0.093 R)
• M12: 28,078,174 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit