🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 10.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.54 AU - 0.62 AU

Year: 295 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,942,223 km

• M1: 126,859 km (0.109 R)
• M2: 508,334 km (0.088 R)
• M3: 833,559 km (0.117 R)
• M4: 1,463,366 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 8.1

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.97 AU - 2.95 AU

Year: 2573 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,942,223 km

• M1: 100,979 km (0.069 R)
• M2: 432,787 km (0.113 R)
• M3: 815,458 km (0.069 R)
• M4: 1,183,020 km (0.068 R)
• M5: 1,544,448 km (0.091 R)
• M6: 1,836,613 km (0.059 R)
• M7: 2,726,421 km (0.099 R)
• M8: 3,207,678 km (0.055 R)
• M9: 3,540,832 km (0.109 R)
• M10: 4,236,013 km (0.082 R)
• M11: 5,276,616 km (0.095 R)
• M12: 5,767,596 km (0.116 R)
• M13: 6,235,389 km (0.089 R)
• M14: 6,728,015 km (0.113 R)
• M15: 7,947,387 km (0.095 R)
• M16: 9,099,590 km (0.073 R)
• M17: 9,697,682 km (0.089 R)
• M18: 10,472,599 km (0.116 R)
• M19: 13,000,953 km (0.097 R)
• M20: 17,838,499 km (0.048 R)
• M21: 18,551,632 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 8.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.92 AU - 4.56 AU

Year: 4823 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,942,223 km

• M1: 108,758 km (0.106 R)
• M2: 390,600 km (0.092 R)
• M3: 891,155 km (0.078 R)
• M4: 1,715,289 km (0.073 R)
• M5: 1,992,344 km (0.114 R)
• M6: 3,175,215 km (0.05 R)
• M7: 3,652,133 km (0.104 R)
• M8: 4,382,470 km (0.103 R)
• M9: 5,845,686 km (0.113 R)
• M10: 6,535,632 km (0.109 R)
• M11: 7,732,564 km (0.059 R)
• M12: 8,269,321 km (0.12 R)
• M13: 10,177,891 km (0.111 R)
• M14: 10,515,982 km (0.111 R)
• M15: 10,978,539 km (0.117 R)
• M16: 13,318,549 km (0.104 R)
• M17: 13,906,020 km (0.101 R)
• M18: 14,463,421 km (0.11 R)
• M19: 15,622,805 km (0.101 R)
• M20: 17,476,622 km (0.047 R)
• M21: 17,907,613 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.1

Radius: 7.3

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.53 AU - 6.39 AU

Year: 9703 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,942,223 km

• M1: 91,404 km (0.103 R)
• M2: 417,079 km (0.066 R)
• M3: 658,979 km (0.108 R)
• M4: 988,094 km (0.119 R)
• M5: 2,742,129 km (0.069 R)
• M6: 3,506,275 km (0.066 R)
• M7: 4,490,778 km (0.054 R)
• M8: 5,220,966 km (0.101 R)
• M9: 7,929,136 km (0.099 R)
• M10: 8,673,086 km (0.096 R)
• M11: 9,039,003 km (0.111 R)
• M12: 9,319,947 km (0.067 R)
• M13: 10,148,271 km (0.1 R)
• M14: 11,728,024 km (0.118 R)
• M15: 12,985,993 km (0.056 R)
• M16: 14,458,485 km (0.095 R)
• M17: 16,107,203 km (0.091 R)
• M18: 18,545,199 km (0.065 R)
• M19: 21,466,546 km (0.115 R)
• M20: 21,716,076 km (0.077 R)
• M21: 22,733,491 km (0.095 R)
• M22: 24,590,000 km (0.102 R)
• M23: 24,954,720 km (0.071 R)
• M24: 28,301,972 km (0.077 R)
• M25: 29,823,832 km (0.112 R)
• M26: 31,080,005 km (0.08 R)
• M27: 31,613,620 km (0.085 R)
• M28: 33,921,916 km (0.112 R)
• M29: 39,366,380 km (0.039 R)
• M30: 40,622,404 km (0.12 R)
• M31: 44,146,930 km (0.11 R)
• M32: 44,415,757 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.4

Radius: 4.1

Gravity: 35.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.61 AU - 10.73 AU

Year: 18518 Days

Day: 19.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,942,223 km

• M1: 51,162 km (0.059 R)
• M2: 327,919 km (0.117 R)
• M3: 480,209 km (0.066 R)
• M4: 922,420 km (0.113 R)
• M5: 1,166,564 km (0.083 R)
• M6: 1,748,650 km (0.044 R)
• M7: 3,159,208 km (0.113 R)
• M8: 3,484,284 km (0.117 R)
• M9: 4,043,930 km (0.085 R)
• M10: 4,560,042 km (0.071 R)
• M11: 4,799,100 km (0.117 R)
• M12: 6,540,269 km (0.098 R)
• M13: 7,480,941 km (0.11 R)
• M14: 11,080,714 km (0.12 R)
• M15: 11,326,204 km (0.055 R)
• M16: 11,891,984 km (0.102 R)
• M17: 13,772,578 km (0.056 R)
• M18: 27,071,679 km (0.086 R)
• M19: 27,405,283 km (0.099 R)
• M20: 28,998,350 km (0.083 R)
• M21: 31,871,228 km (0.116 R)
• M22: 34,796,914 km (0.084 R)
• M23: 41,912,387 km (0.075 R)
• M24: 46,838,495 km (0.034 R)
• M25: 53,870,941 km (0.072 R)
• M26: 64,297,165 km (0.062 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 12,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit