🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 13.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.65 AU - 0.91 AU

Year: 445 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,771,455 km

• M1: 167,849 km (0.084 R)
• M2: 604,974 km (0.047 R)
• M3: 1,084,285 km (0.101 R)
• M4: 1,507,647 km (0.067 R)
• M5: 2,392,968 km (0.094 R)
• M6: 2,964,731 km (0.063 R)
• M7: 3,440,302 km (0.074 R)
• M8: 4,172,883 km (0.084 R)
• M9: 4,928,352 km (0.069 R)
• M10: 6,130,521 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 8.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.67 AU - 3.01 AU

Year: 3090 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,771,455 km

• M1: 100,679 km (0.105 R)
• M2: 412,292 km (0.098 R)
• M3: 1,238,072 km (0.059 R)
• M4: 1,814,173 km (0.097 R)
• M5: 3,290,854 km (0.114 R)
• M6: 4,511,423 km (0.033 R)
• M7: 4,959,917 km (0.104 R)
• M8: 8,566,872 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.9

Radius: 13.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.62 AU - 3.8 AU

Year: 4614 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,771,455 km

• M1: 164,408 km (0.092 R)
• M2: 621,280 km (0.082 R)
• M3: 1,098,946 km (0.116 R)
• M4: 1,602,642 km (0.09 R)
• M5: 2,305,154 km (0.04 R)
• M6: 2,847,446 km (0.098 R)
• M7: 3,299,680 km (0.086 R)
• M8: 3,716,909 km (0.086 R)
• M9: 5,031,874 km (0.115 R)
• M10: 5,952,499 km (0.08 R)
• M11: 7,014,495 km (0.102 R)
• M12: 7,778,640 km (0.119 R)
• M13: 9,239,314 km (0.065 R)
• M14: 10,449,710 km (0.102 R)
• M15: 12,131,340 km (0.045 R)
• M16: 12,698,017 km (0.085 R)
• M17: 14,452,800 km (0.099 R)
• M18: 15,968,974 km (0.075 R)
• M19: 16,478,056 km (0.085 R)
• M20: 16,998,058 km (0.112 R)
• M21: 17,949,650 km (0.111 R)
• M22: 19,125,340 km (0.108 R)
• M23: 20,483,838 km (0.067 R)
• M24: 21,975,030 km (0.099 R)
• M25: 24,494,856 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 11.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.36 AU - 4.64 AU

Year: 6164 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,771,455 km

• M1: 146,756 km (0.083 R)
• M2: 530,773 km (0.103 R)
• M3: 1,143,825 km (0.08 R)
• M4: 2,109,031 km (0.117 R)
• M5: 3,620,717 km (0.111 R)
• M6: 4,450,237 km (0.12 R)
• M7: 6,888,832 km (0.037 R)
• M8: 7,344,358 km (0.036 R)
• M9: 9,037,656 km (0.069 R)
• M10: 10,242,667 km (0.051 R)
• M11: 10,837,319 km (0.09 R)
• M12: 11,214,604 km (0.04 R)
• M13: 12,604,817 km (0.064 R)
• M14: 13,395,293 km (0.117 R)
• M15: 14,274,629 km (0.029 R)
• M16: 14,901,145 km (0.108 R)
• M17: 16,209,228 km (0.082 R)
• M18: 17,335,401 km (0.083 R)
• M19: 19,882,903 km (0.07 R)
• M20: 21,026,729 km (0.067 R)
• M21: 22,289,634 km (0.072 R)
• M22: 23,445,277 km (0.039 R)
• M23: 24,398,366 km (0.029 R)
• M24: 25,377,035 km (0.098 R)
• M25: 28,828,706 km (0.047 R)
• M26: 29,738,262 km (0.066 R)
• M27: 30,200,070 km (0.104 R)
• M28: 30,666,666 km (0.066 R)
• M29: 32,095,625 km (0.113 R)
• M30: 32,484,130 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225

Radius: 6.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.57 AU - 10.07 AU

Year: 19869 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,771,455 km

• M1: 82,428 km (0.105 R)
• M2: 492,177 km (0.063 R)
• M3: 758,162 km (0.06 R)
• M4: 1,030,281 km (0.053 R)
• M5: 1,590,973 km (0.044 R)
• M6: 4,932,391 km (0.064 R)
• M7: 5,227,249 km (0.085 R)
• M8: 7,850,597 km (0.081 R)
• M9: 9,543,895 km (0.102 R)
• M10: 10,054,323 km (0.09 R)
• M11: 10,690,713 km (0.093 R)
• M12: 11,410,129 km (0.063 R)
• M13: 21,487,341 km (0.116 R)
• M14: 23,629,432 km (0.089 R)
• M15: 28,961,699 km (0.088 R)
• M16: 32,815,041 km (0.083 R)
• M17: 42,059,591 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.4

Radius: 5.3

Gravity: 26.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.42 AU - 11.48 AU

Year: 21812 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,771,455 km

• M1: 84,672 km (0.087 R)
• M2: 458,069 km (0.109 R)
• M3: 1,033,272 km (0.105 R)
• M4: 3,462,144 km (0.094 R)
• M5: 6,967,970 km (0.11 R)
• M6: 7,403,299 km (0.118 R)
• M7: 17,312,363 km (0.064 R)
• M8: 17,930,352 km (0.083 R)
• M9: 18,746,259 km (0.068 R)
• M10: 23,735,497 km (0.082 R)
• M11: 25,388,853 km (0.077 R)
• M12: 27,472,303 km (0.098 R)
• M13: 27,950,417 km (0.027 R)
• M14: 51,397,191 km (0.062 R)
• M15: 54,904,214 km (0.039 R)
• M16: 68,759,819 km (0.119 R)
• M17: 73,467,365 km (0.065 R)
• M18: 77,907,729 km (0.029 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 19,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit