🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 10.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.57 AU - 0.95 AU

Year: 466 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,943,662 km

• M1: 128,056 km (0.082 R)
• M2: 466,745 km (0.076 R)
• M3: 865,274 km (0.1 R)
• M4: 1,263,055 km (0.079 R)
• M5: 1,687,314 km (0.079 R)
• M6: 2,117,707 km (0.073 R)
• M7: 2,530,149 km (0.034 R)
• M8: 3,418,162 km (0.069 R)
• M9: 4,051,110 km (0.093 R)
• M10: 4,422,263 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 14.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.82 AU - 1 AU

Year: 610 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,943,662 km

• M1: 179,069 km (0.069 R)
• M2: 1,411,456 km (0.094 R)
• M3: 1,909,168 km (0.083 R)
• M4: 2,502,623 km (0.104 R)
• M5: 3,020,531 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 10.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.78 AU - 1.06 AU

Year: 620 Days

Day: 11 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,943,662 km

• M1: 129,552 km (0.105 R)
• M2: 473,028 km (0.101 R)
• M3: 798,404 km (0.112 R)
• M4: 1,233,734 km (0.035 R)
• M5: 1,624,483 km (0.09 R)
• M6: 2,133,714 km (0.086 R)
• M7: 3,349,197 km (0.086 R)
• M8: 3,802,329 km (0.057 R)
• M9: 5,125,223 km (0.051 R)
• M10: 5,800,957 km (0.112 R)
• M11: 6,132,316 km (0.064 R)
• M12: 6,772,894 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 14.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.28 AU - 1.4 AU

Year: 1090 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,943,662 km

• M1: 181,911 km (0.068 R)
• M2: 818,450 km (0.1 R)
• M3: 1,396,197 km (0.112 R)
• M4: 1,877,752 km (0.099 R)
• M5: 2,858,666 km (0.08 R)
• M6: 3,580,326 km (0.09 R)
• M7: 4,079,684 km (0.108 R)
• M8: 4,573,805 km (0.075 R)
• M9: 5,126,719 km (0.111 R)
• M10: 5,644,627 km (0.061 R)
• M11: 6,260,970 km (0.076 R)
• M12: 6,831,237 km (0.077 R)
• M13: 8,076,490 km (0.096 R)
• M14: 9,051,270 km (0.096 R)
• M15: 9,667,314 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 11.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.51 AU - 2.71 AU

Year: 2964 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,943,662 km

• M1: 148,102 km (0.096 R)
• M2: 607,816 km (0.069 R)
• M3: 1,262,307 km (0.073 R)
• M4: 1,746,406 km (0.096 R)
• M5: 2,340,608 km (0.081 R)
• M6: 3,257,643 km (0.119 R)
• M7: 3,754,009 km (0.104 R)
• M8: 4,440,514 km (0.041 R)
• M9: 4,878,387 km (0.047 R)
• M10: 6,343,099 km (0.114 R)
• M11: 7,635,326 km (0.075 R)
• M12: 10,263,012 km (0.072 R)
• M13: 11,527,563 km (0.091 R)
• M14: 13,272,323 km (0.097 R)
• M15: 14,909,223 km (0.107 R)
• M16: 15,562,517 km (0.09 R)
• M17: 16,479,402 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.4

Radius: 8

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.3 AU - 3.66 AU

Year: 3616 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,943,662 km

• M1: 99,483 km (0.072 R)
• M2: 528,978 km (0.082 R)
• M3: 860,786 km (0.072 R)
• M4: 1,469,799 km (0.106 R)
• M5: 2,610,483 km (0.112 R)
• M6: 2,903,246 km (0.103 R)
• M7: 3,373,881 km (0.12 R)
• M8: 3,894,332 km (0.114 R)
• M9: 5,121,483 km (0.041 R)
• M10: 8,062,278 km (0.116 R)
• M11: 11,105,996 km (0.109 R)
• M12: 14,150,014 km (0.093 R)
• M13: 14,786,852 km (0.093 R)
• M14: 16,637,078 km (0.105 R)
• M15: 17,648,210 km (0.106 R)
• M16: 18,889,424 km (0.052 R)
• M17: 19,272,843 km (0.107 R)
• M18: 23,766,315 km (0.064 R)
• M19: 26,692,748 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 13.3

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.03 AU - 4.89 AU

Year: 6621 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 161.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,943,662 km

• M1: 196,422 km (0.06 R)
• M2: 708,496 km (0.09 R)
• M3: 1,798,914 km (0.042 R)
• M4: 2,365,442 km (0.112 R)
• M5: 2,827,549 km (0.071 R)
• M6: 4,164,954 km (0.067 R)
• M7: 4,592,056 km (0.099 R)
• M8: 5,318,803 km (0.105 R)
• M9: 5,790,934 km (0.087 R)
• M10: 9,737,774 km (0.05 R)
• M11: 10,989,011 km (0.103 R)
• M12: 12,617,832 km (0.111 R)
• M13: 13,119,584 km (0.1 R)
• M14: 13,809,379 km (0.108 R)
• M15: 14,583,698 km (0.114 R)
• M16: 15,074,529 km (0.089 R)
• M17: 16,481,347 km (0.108 R)
• M18: 21,148,950 km (0.057 R)
• M19: 23,910,976 km (0.067 R)
• M20: 25,732,330 km (0.045 R)
• M21: 26,540,607 km (0.071 R)
• M22: 28,019,232 km (0.108 R)
• M23: 29,260,596 km (0.039 R)
• M24: 31,955,302 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 13,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit