🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 14.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.86 AU - 1.02 AU

Year: 598 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,700,265 km

• M1: 175,329 km (0.11 R)
• M2: 667,057 km (0.068 R)
• M3: 1,125,574 km (0.107 R)
• M4: 1,915,002 km (0.108 R)
• M5: 2,472,105 km (0.119 R)
• M6: 2,945,582 km (0.1 R)
• M7: 5,595,110 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 12.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.63 AU - 3.87 AU

Year: 4764 Days

Day: 9 Hours

Environment

Temp: -212 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,700,265 km

• M1: 152,141 km (0.083 R)
• M2: 548,875 km (0.063 R)
• M3: 957,277 km (0.105 R)
• M4: 1,837,062 km (0.101 R)
• M5: 3,972,871 km (0.035 R)
• M6: 4,650,998 km (0.035 R)
• M7: 5,043,543 km (0.075 R)
• M8: 6,065,595 km (0.091 R)
• M9: 6,966,324 km (0.047 R)
• M10: 7,481,988 km (0.06 R)
• M11: 9,765,300 km (0.11 R)
• M12: 10,207,063 km (0.102 R)
• M13: 11,087,596 km (0.078 R)
• M14: 13,144,567 km (0.07 R)
• M15: 16,100,620 km (0.118 R)
• M16: 17,293,514 km (0.064 R)
• M17: 17,704,010 km (0.09 R)
• M18: 18,422,679 km (0.113 R)
• M19: 20,111,190 km (0.078 R)
• M20: 21,696,628 km (0.114 R)
• M21: 23,435,254 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 14.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.11 AU - 5.33 AU

Year: 6727 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,700,265 km

• M1: 179,069 km (0.056 R)
• M2: 869,912 km (0.048 R)
• M3: 1,736,831 km (0.057 R)
• M4: 2,623,348 km (0.088 R)
• M5: 5,983,316 km (0.088 R)
• M6: 7,439,652 km (0.045 R)
• M7: 9,546,139 km (0.1 R)
• M8: 11,044,063 km (0.098 R)
• M9: 12,693,828 km (0.077 R)
• M10: 16,855,192 km (0.046 R)
• M11: 17,497,266 km (0.09 R)
• M12: 21,849,816 km (0.11 R)
• M13: 27,400,496 km (0.086 R)
• M14: 28,922,355 km (0.103 R)
• M15: 29,750,529 km (0.105 R)
• M16: 31,841,757 km (0.101 R)
• M17: 33,222,396 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 5.5

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.84 AU - 9.82 AU

Year: 18695 Days

Day: 17.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,700,265 km

• M1: 68,366 km (0.07 R)
• M2: 278,850 km (0.085 R)
• M3: 499,806 km (0.074 R)
• M4: 1,107,473 km (0.118 R)
• M5: 1,290,431 km (0.055 R)
• M6: 1,509,143 km (0.105 R)
• M7: 2,040,365 km (0.082 R)
• M8: 3,072,591 km (0.072 R)
• M9: 3,773,756 km (0.076 R)
• M10: 3,949,683 km (0.073 R)
• M11: 5,303,245 km (0.082 R)
• M12: 5,828,782 km (0.055 R)
• M13: 6,512,893 km (0.072 R)
• M14: 7,339,272 km (0.047 R)
• M15: 17,249,532 km (0.074 R)
• M16: 22,244,156 km (0.108 R)
• M17: 24,001,931 km (0.081 R)
• M18: 24,202,692 km (0.06 R)
• M19: 25,223,697 km (0.114 R)
• M20: 35,607,584 km (0.079 R)
• M21: 43,269,090 km (0.111 R)
• M22: 44,015,583 km (0.031 R)
• M23: 49,646,148 km (0.079 R)
• M24: 50,628,856 km (0.097 R)
• M25: 54,516,606 km (0.059 R)
• M26: 59,145,463 km (0.082 R)
• M27: 64,804,152 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.9

Radius: 7.5

Gravity: 14.93 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.8 AU - 12.5 AU

Year: 21213 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 129.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,700,265 km

• M1: 93,349 km (0.098 R)
• M2: 408,402 km (0.082 R)
• M3: 664,514 km (0.102 R)
• M4: 981,960 km (0.095 R)
• M5: 1,479,673 km (0.109 R)
• M6: 1,950,607 km (0.105 R)
• M7: 3,659,014 km (0.107 R)
• M8: 4,699,318 km (0.097 R)
• M9: 5,508,194 km (0.075 R)
• M10: 7,202,539 km (0.1 R)
• M11: 8,221,600 km (0.114 R)
• M12: 8,710,336 km (0.12 R)
• M13: 11,054,535 km (0.048 R)
• M14: 11,449,024 km (0.096 R)
• M15: 11,852,938 km (0.114 R)
• M16: 13,714,086 km (0.085 R)
• M17: 17,118,784 km (0.103 R)
• M18: 17,915,243 km (0.108 R)
• M19: 24,087,202 km (0.093 R)
• M20: 24,417,514 km (0.12 R)
• M21: 27,406,779 km (0.065 R)
• M22: 29,113,541 km (0.105 R)
• M23: 36,795,691 km (0.066 R)
• M24: 46,572,360 km (0.031 R)
• M25: 59,337,397 km (0.115 R)
• M26: 60,749,451 km (0.032 R)
• M27: 62,805,524 km (0.119 R)
• M28: 67,055,750 km (0.083 R)
• M29: 71,041,486 km (0.074 R)
• M30: 76,123,774 km (0.079 R)
• M31: 80,458,223 km (0.055 R)
• M32: 82,436,355 km (0.054 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 15,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit