🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 14.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.16 AU - 1.16 AU

Year: 862 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,310,827 km

• M1: 179,218 km (0.094 R)
• M2: 733,927 km (0.071 R)
• M3: 1,413,849 km (0.059 R)
• M4: 1,973,046 km (0.117 R)
• M5: 2,650,575 km (0.111 R)
• M6: 4,178,418 km (0.113 R)
• M7: 5,258,664 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 10.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.3 AU - 1.6 AU

Year: 1205 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,310,827 km

• M1: 134,488 km (0.092 R)
• M2: 716,723 km (0.1 R)
• M3: 1,195,437 km (0.113 R)
• M4: 2,508,008 km (0.086 R)
• M5: 3,195,411 km (0.094 R)
• M6: 3,668,738 km (0.115 R)
• M7: 4,222,400 km (0.11 R)
• M8: 4,682,713 km (0.095 R)
• M9: 5,078,848 km (0.094 R)
• M10: 5,874,260 km (0.083 R)
• M11: 6,518,129 km (0.071 R)
• M12: 9,278,359 km (0.112 R)
• M13: 10,276,775 km (0.058 R)
• M14: 10,657,053 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 11.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.18 AU - 1.78 AU

Year: 1243 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,310,827 km

• M1: 139,425 km (0.091 R)
• M2: 547,528 km (0.09 R)
• M3: 1,500,018 km (0.104 R)
• M4: 2,092,874 km (0.098 R)
• M5: 2,444,878 km (0.062 R)
• M6: 3,450,475 km (0.067 R)
• M7: 3,913,032 km (0.115 R)
• M8: 4,398,626 km (0.057 R)
• M9: 5,002,702 km (0.047 R)
• M10: 5,470,495 km (0.074 R)
• M11: 6,493,894 km (0.094 R)
• M12: 7,202,090 km (0.063 R)
• M13: 9,730,893 km (0.086 R)
• M14: 10,171,608 km (0.114 R)
• M15: 11,331,889 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 14

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.54 AU - 1.74 AU

Year: 1450 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,310,827 km

• M1: 174,132 km (0.109 R)
• M2: 714,629 km (0.059 R)
• M3: 1,219,073 km (0.107 R)
• M4: 1,694,046 km (0.089 R)
• M5: 2,341,057 km (0.042 R)
• M6: 3,049,852 km (0.094 R)
• M7: 3,684,596 km (0.074 R)
• M8: 4,461,457 km (0.08 R)
• M9: 4,899,480 km (0.063 R)
• M10: 5,730,346 km (0.099 R)
• M11: 7,461,343 km (0.076 R)
• M12: 8,736,516 km (0.063 R)
• M13: 9,395,644 km (0.09 R)
• M14: 9,991,343 km (0.108 R)
• M15: 11,398,311 km (0.099 R)
• M16: 11,967,680 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 10.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.82 AU - 2.36 AU

Year: 2086 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,310,827 km

• M1: 133,142 km (0.052 R)
• M2: 794,963 km (0.111 R)
• M3: 1,996,384 km (0.103 R)
• M4: 2,708,320 km (0.056 R)
• M5: 3,178,656 km (0.113 R)
• M6: 3,521,983 km (0.088 R)
• M7: 3,970,178 km (0.094 R)
• M8: 4,335,496 km (0.063 R)
• M9: 6,310,786 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 8.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.24 AU - 3.78 AU

Year: 4539 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,310,827 km

• M1: 134,339 km (0.106 R)
• M2: 411,993 km (0.061 R)
• M3: 757,264 km (0.07 R)
• M4: 1,398,590 km (0.108 R)
• M5: 2,126,384 km (0.077 R)
• M6: 3,258,391 km (0.114 R)
• M7: 6,628,981 km (0.115 R)
• M8: 7,098,120 km (0.085 R)
• M9: 8,153,234 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 9.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.42 AU - 4.48 AU

Year: 5419 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,310,827 km

• M1: 126,560 km (0.055 R)
• M2: 466,745 km (0.036 R)
• M3: 1,072,318 km (0.099 R)
• M4: 1,790,687 km (0.109 R)
• M5: 2,139,998 km (0.113 R)
• M6: 2,771,450 km (0.072 R)
• M7: 3,274,099 km (0.111 R)
• M8: 5,377,295 km (0.109 R)
• M9: 5,795,571 km (0.084 R)
• M10: 9,130,556 km (0.081 R)
• M11: 11,071,290 km (0.08 R)
• M12: 14,564,400 km (0.043 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 10.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.33 AU - 5.51 AU

Year: 7533 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,310,827 km

• M1: 129,402 km (0.037 R)
• M2: 503,247 km (0.07 R)
• M3: 1,173,446 km (0.108 R)
• M4: 1,510,340 km (0.084 R)
• M5: 2,237,087 km (0.102 R)
• M6: 2,802,716 km (0.094 R)
• M7: 3,899,717 km (0.114 R)
• M8: 5,086,926 km (0.104 R)
• M9: 5,531,980 km (0.088 R)
• M10: 5,906,573 km (0.114 R)
• M11: 10,223,219 km (0.06 R)
• M12: 10,885,339 km (0.08 R)
• M13: 11,227,021 km (0.079 R)
• M14: 12,086,910 km (0.111 R)
• M15: 13,208,894 km (0.068 R)
• M16: 18,466,511 km (0.059 R)
• M17: 19,591,786 km (0.12 R)
• M18: 24,055,487 km (0.064 R)
• M19: 24,888,149 km (0.116 R)
• M20: 25,739,810 km (0.069 R)
• M21: 28,503,929 km (0.042 R)
• M22: 30,484,904 km (0.061 R)
• M23: 32,254,797 km (0.072 R)
• M24: 34,092,008 km (0.051 R)
• M25: 34,930,504 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.6

Radius: 7.6

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.6 AU - 10.98 AU

Year: 21144 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,310,827 km

• M1: 96,042 km (0.076 R)
• M2: 524,789 km (0.091 R)
• M3: 2,028,547 km (0.118 R)
• M4: 4,039,442 km (0.109 R)
• M5: 4,324,126 km (0.116 R)
• M6: 4,656,084 km (0.096 R)
• M7: 5,522,854 km (0.054 R)
• M8: 7,431,274 km (0.07 R)
• M9: 9,083,882 km (0.052 R)
• M10: 11,649,785 km (0.087 R)
• M11: 15,489,812 km (0.085 R)
• M12: 20,007,369 km (0.059 R)
• M13: 27,185,972 km (0.105 R)
• M14: 32,150,527 km (0.085 R)
• M15: 37,410,388 km (0.046 R)
• M16: 39,953,702 km (0.114 R)
• M17: 42,610,261 km (0.102 R)
• M18: 45,697,362 km (0.111 R)
• M19: 47,944,921 km (0.104 R)
• M20: 49,428,184 km (0.098 R)
• M21: 50,097,036 km (0.097 R)
• M22: 54,415,328 km (0.089 R)
• M23: 56,573,427 km (0.11 R)
• M24: 61,059,867 km (0.03 R)
• M25: 68,639,093 km (0.064 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 15,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit