🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 10.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.81 AU - 0.91 AU

Year: 515 Days

Day: 8.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,404,317 km

• M1: 130,898 km (0.036 R)
• M2: 483,949 km (0.107 R)
• M3: 902,225 km (0.063 R)
• M4: 1,380,938 km (0.102 R)
• M5: 1,874,013 km (0.113 R)
• M6: 2,307,398 km (0.118 R)
• M7: 2,645,938 km (0.033 R)
• M8: 3,401,108 km (0.1 R)
• M9: 3,958,659 km (0.067 R)
• M10: 4,490,180 km (0.071 R)
• M11: 5,084,383 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 10.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.98 AU - 1.3 AU

Year: 786 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,404,317 km

• M1: 131,347 km (0.033 R)
• M2: 468,840 km (0.065 R)
• M3: 814,860 km (0.111 R)
• M4: 1,484,759 km (0.11 R)
• M5: 1,941,631 km (0.12 R)
• M6: 2,290,643 km (0.067 R)
• M7: 2,660,299 km (0.112 R)
• M8: 3,093,684 km (0.118 R)
• M9: 4,088,959 km (0.117 R)
• M10: 4,418,373 km (0.092 R)
• M11: 5,029,181 km (0.11 R)
• M12: 5,550,530 km (0.082 R)
• M13: 6,126,781 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 14.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.19 AU - 1.21 AU

Year: 849 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,404,317 km

• M1: 177,872 km (0.083 R)
• M2: 624,122 km (0.102 R)
• M3: 1,145,172 km (0.059 R)
• M4: 1,928,466 km (0.09 R)
• M5: 2,538,526 km (0.093 R)
• M6: 3,673,974 km (0.096 R)
• M7: 4,797,305 km (0.065 R)
• M8: 5,586,583 km (0.09 R)
• M9: 6,202,328 km (0.068 R)
• M10: 7,305,313 km (0.054 R)
• M11: 9,048,128 km (0.104 R)
• M12: 9,783,102 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.5

Radius: 8.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.84 AU - 2.62 AU

Year: 2150 Days

Day: 5.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,404,317 km

• M1: 104,569 km (0.091 R)
• M2: 367,263 km (0.086 R)
• M3: 807,679 km (0.097 R)
• M4: 1,409,960 km (0.096 R)
• M5: 3,643,007 km (0.052 R)
• M6: 4,768,283 km (0.046 R)
• M7: 5,069,872 km (0.037 R)
• M8: 5,748,448 km (0.116 R)
• M9: 6,187,817 km (0.037 R)
• M10: 6,567,496 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 11.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.39 AU - 6.61 AU

Year: 8328 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,404,317 km

• M1: 142,118 km (0.067 R)
• M2: 501,302 km (0.097 R)
• M3: 941,569 km (0.109 R)
• M4: 1,728,903 km (0.12 R)
• M5: 3,235,952 km (0.057 R)
• M6: 3,606,954 km (0.093 R)
• M7: 4,835,901 km (0.058 R)
• M8: 5,978,380 km (0.107 R)
• M9: 7,061,169 km (0.062 R)
• M10: 7,811,851 km (0.107 R)
• M11: 8,185,547 km (0.119 R)
• M12: 11,514,997 km (0.077 R)
• M13: 14,446,367 km (0.105 R)
• M14: 16,318,435 km (0.081 R)
• M15: 17,700,270 km (0.098 R)
• M16: 18,346,982 km (0.091 R)
• M17: 19,009,401 km (0.098 R)
• M18: 19,384,144 km (0.104 R)
• M19: 22,479,773 km (0.098 R)
• M20: 24,985,088 km (0.064 R)
• M21: 26,166,463 km (0.069 R)
• M22: 26,911,759 km (0.076 R)
• M23: 29,531,966 km (0.106 R)
• M24: 30,238,218 km (0.076 R)
• M25: 30,955,539 km (0.096 R)
• M26: 34,825,487 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.8

Radius: 11.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.21 AU - 6.17 AU

Year: 8764 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,404,317 km

• M1: 144,212 km (0.106 R)
• M2: 695,331 km (0.106 R)
• M3: 1,198,429 km (0.087 R)
• M4: 1,759,121 km (0.052 R)
• M5: 2,272,541 km (0.03 R)
• M6: 3,367,149 km (0.115 R)
• M7: 7,366,648 km (0.113 R)
• M8: 8,273,660 km (0.107 R)
• M9: 9,207,300 km (0.043 R)
• M10: 10,969,563 km (0.085 R)
• M11: 11,443,190 km (0.071 R)
• M12: 12,715,969 km (0.044 R)
• M13: 16,752,718 km (0.035 R)
• M14: 17,594,654 km (0.039 R)
• M15: 18,244,508 km (0.081 R)
• M16: 20,526,773 km (0.115 R)
• M17: 21,166,154 km (0.111 R)
• M18: 22,653,456 km (0.106 R)
• M19: 27,725,721 km (0.115 R)
• M20: 28,507,221 km (0.047 R)
• M21: 29,910,000 km (0.106 R)
• M22: 32,744,730 km (0.103 R)
• M23: 34,394,645 km (0.058 R)
• M24: 36,446,828 km (0.117 R)
• M25: 36,913,723 km (0.094 R)
• M26: 40,419,101 km (0.087 R)
• M27: 42,445,105 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.3

Radius: 5

Gravity: 24.73 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.44 AU - 6.74 AU

Year: 9704 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,404,317 km

• M1: 62,233 km (0.074 R)
• M2: 218,263 km (0.066 R)
• M3: 696,827 km (0.079 R)
• M4: 944,711 km (0.089 R)
• M5: 1,214,436 km (0.074 R)
• M6: 1,399,937 km (0.086 R)
• M7: 1,751,641 km (0.027 R)
• M8: 2,434,257 km (0.115 R)
• M9: 2,899,207 km (0.109 R)
• M10: 3,518,392 km (0.103 R)
• M11: 3,820,281 km (0.049 R)
• M12: 4,030,915 km (0.098 R)
• M13: 5,363,981 km (0.1 R)
• M14: 5,729,898 km (0.115 R)
• M15: 7,005,369 km (0.101 R)
• M16: 7,201,941 km (0.06 R)
• M17: 8,682,212 km (0.058 R)
• M18: 9,807,188 km (0.117 R)
• M19: 13,336,351 km (0.114 R)
• M20: 14,382,190 km (0.105 R)
• M21: 14,636,057 km (0.073 R)
• M22: 16,359,275 km (0.054 R)
• M23: 16,705,594 km (0.056 R)
• M24: 19,114,419 km (0.078 R)
• M25: 20,681,756 km (0.119 R)
• M26: 21,828,573 km (0.106 R)
• M27: 24,607,803 km (0.082 R)
• M28: 25,429,992 km (0.026 R)
• M29: 27,032,784 km (0.063 R)
• M30: 29,612,300 km (0.11 R)
• M31: 32,026,959 km (0.061 R)
• M32: 33,670,591 km (0.078 R)
• M33: 41,572,799 km (0.045 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: 356 - 14,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit