🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 12.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1 AU - 1.12 AU

Year: 740 Days

Day: 5.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,268,325 km

• M1: 154,235 km (0.086 R)
• M2: 549,024 km (0.116 R)
• M3: 989,590 km (0.065 R)
• M4: 1,388,418 km (0.099 R)
• M5: 1,796,072 km (0.103 R)
• M6: 2,236,189 km (0.083 R)
• M7: 3,522,132 km (0.11 R)
• M8: 4,452,033 km (0.101 R)
• M9: 5,199,124 km (0.089 R)
• M10: 5,667,815 km (0.078 R)
• M11: 6,424,032 km (0.051 R)
• M12: 6,943,286 km (0.109 R)
• M13: 7,740,493 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 9.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.87 AU - 5.21 AU

Year: 6561 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,268,325 km

• M1: 118,332 km (0.107 R)
• M2: 496,815 km (0.098 R)
• M3: 1,229,994 km (0.119 R)
• M4: 2,353,922 km (0.099 R)
• M5: 3,674,124 km (0.038 R)
• M6: 4,020,742 km (0.046 R)
• M7: 5,005,246 km (0.1 R)
• M8: 7,228,719 km (0.084 R)
• M9: 7,973,267 km (0.066 R)
• M10: 8,467,688 km (0.072 R)
• M11: 9,200,419 km (0.095 R)
• M12: 10,041,308 km (0.103 R)
• M13: 10,792,140 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 8.9

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.64 AU - 5.9 AU

Year: 7066 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,268,325 km

• M1: 112,797 km (0.064 R)
• M2: 427,102 km (0.092 R)
• M3: 928,554 km (0.1 R)
• M4: 1,326,484 km (0.085 R)
• M5: 1,676,244 km (0.095 R)
• M6: 2,103,944 km (0.105 R)
• M7: 2,901,899 km (0.05 R)
• M8: 3,714,366 km (0.08 R)
• M9: 4,068,613 km (0.077 R)
• M10: 4,390,099 km (0.082 R)
• M11: 4,728,489 km (0.116 R)
• M12: 5,426,214 km (0.117 R)
• M13: 5,750,243 km (0.064 R)
• M14: 6,950,018 km (0.108 R)
• M15: 9,415,391 km (0.064 R)
• M16: 10,173,254 km (0.052 R)
• M17: 10,667,226 km (0.09 R)
• M18: 11,177,205 km (0.068 R)
• M19: 16,931,038 km (0.109 R)
• M20: 18,482,817 km (0.033 R)
• M21: 22,275,721 km (0.032 R)
• M22: 24,484,983 km (0.113 R)
• M23: 27,399,748 km (0.087 R)
• M24: 29,731,978 km (0.058 R)
• M25: 30,946,414 km (0.072 R)
• M26: 35,233,291 km (0.051 R)
• M27: 35,795,629 km (0.07 R)
• M28: 40,266,062 km (0.105 R)
• M29: 41,876,932 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.9

Radius: 13.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.89 AU - 5.85 AU

Year: 7289 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,268,325 km

• M1: 166,652 km (0.113 R)
• M2: 654,042 km (0.08 R)
• M3: 1,163,273 km (0.098 R)
• M4: 1,825,692 km (0.099 R)
• M5: 2,582,957 km (0.092 R)
• M6: 3,407,092 km (0.056 R)
• M7: 3,893,584 km (0.069 R)
• M8: 5,242,508 km (0.1 R)
• M9: 6,495,540 km (0.118 R)
• M10: 7,939,608 km (0.118 R)
• M11: 8,758,656 km (0.07 R)
• M12: 9,188,900 km (0.104 R)
• M13: 12,881,873 km (0.095 R)
• M14: 13,439,424 km (0.109 R)
• M15: 14,013,132 km (0.049 R)
• M16: 18,638,548 km (0.094 R)
• M17: 20,911,538 km (0.064 R)
• M18: 21,371,851 km (0.104 R)
• M19: 24,701,600 km (0.075 R)
• M20: 25,650,649 km (0.117 R)
• M21: 26,356,003 km (0.12 R)
• M22: 27,165,029 km (0.032 R)
• M23: 28,832,746 km (0.105 R)
• M24: 30,764,653 km (0.067 R)
• M25: 31,964,427 km (0.056 R)
• M26: 33,195,169 km (0.115 R)
• M27: 34,138,683 km (0.049 R)
• M28: 34,992,438 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.7

Radius: 4.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.36 AU - 11.16 AU

Year: 19112 Days

Day: 23.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,268,325 km

• M1: 70,012 km (0.028 R)
• M2: 563,834 km (0.073 R)
• M3: 984,204 km (0.102 R)
• M4: 1,149,660 km (0.054 R)
• M5: 1,299,856 km (0.062 R)
• M6: 1,991,297 km (0.116 R)
• M7: 2,373,969 km (0.066 R)
• M8: 3,887,600 km (0.055 R)
• M9: 5,428,159 km (0.048 R)
• M10: 10,403,634 km (0.098 R)
• M11: 23,075,771 km (0.08 R)
• M12: 23,626,441 km (0.101 R)
• M13: 25,664,712 km (0.051 R)
• M14: 26,511,884 km (0.102 R)
• M15: 31,410,616 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit