🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.5

Radius: 9.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,538,069 km

• M1: 123,119 km (0.062 R)
• M2: 513,420 km (0.081 R)
• M3: 1,032,076 km (0.038 R)
• M4: 1,440,478 km (0.094 R)
• M5: 1,798,166 km (0.116 R)
• M6: 2,357,363 km (0.072 R)
• M7: 2,896,364 km (0.085 R)
• M8: 3,441,649 km (0.117 R)
• M9: 4,030,615 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 9.2

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.07 AU - 1.29 AU

Year: 855 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,538,069 km

• M1: 114,891 km (0.113 R)
• M2: 565,031 km (0.069 R)
• M3: 1,008,290 km (0.094 R)
• M4: 1,905,727 km (0.062 R)
• M5: 2,433,658 km (0.103 R)
• M6: 2,963,235 km (0.115 R)
• M7: 3,262,879 km (0.096 R)
• M8: 4,337,590 km (0.104 R)
• M9: 4,707,396 km (0.11 R)
• M10: 5,040,999 km (0.099 R)
• M11: 5,966,412 km (0.115 R)
• M12: 6,628,233 km (0.076 R)
• M13: 7,338,224 km (0.1 R)
• M14: 8,045,822 km (0.069 R)
• M15: 9,021,500 km (0.096 R)
• M16: 10,380,596 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 8.3

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.05 AU - 1.33 AU

Year: 866 Days

Day: 8 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,538,069 km

• M1: 103,223 km (0.081 R)
• M2: 424,708 km (0.118 R)
• M3: 720,912 km (0.108 R)
• M4: 1,210,995 km (0.094 R)
• M5: 1,615,507 km (0.114 R)
• M6: 1,936,694 km (0.025 R)
• M7: 2,504,717 km (0.112 R)
• M8: 4,460,261 km (0.063 R)
• M9: 4,763,495 km (0.103 R)
• M10: 5,317,756 km (0.108 R)
• M11: 5,934,398 km (0.088 R)
• M12: 6,301,810 km (0.117 R)
• M13: 6,640,949 km (0.114 R)
• M14: 6,925,484 km (0.077 R)
• M15: 7,852,542 km (0.09 R)
• M16: 8,345,916 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 13.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.51 AU - 1.69 AU

Year: 1350 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,538,069 km

• M1: 171,738 km (0.12 R)
• M2: 610,060 km (0.097 R)
• M3: 1,051,374 km (0.119 R)
• M4: 1,603,240 km (0.1 R)
• M5: 2,083,450 km (0.09 R)
• M6: 2,762,325 km (0.119 R)
• M7: 3,432,822 km (0.09 R)
• M8: 4,106,761 km (0.084 R)
• M9: 5,161,426 km (0.074 R)
• M10: 6,228,956 km (0.109 R)
• M11: 7,060,272 km (0.109 R)
• M12: 7,490,216 km (0.085 R)
• M13: 10,547,099 km (0.107 R)
• M14: 11,043,165 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 12.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.6 AU - 4.16 AU

Year: 4144 Days

Day: 11.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,538,069 km

• M1: 155,432 km (0.114 R)
• M2: 617,091 km (0.049 R)
• M3: 1,110,166 km (0.059 R)
• M4: 1,601,894 km (0.071 R)
• M5: 1,999,974 km (0.064 R)
• M6: 3,093,684 km (0.1 R)
• M7: 4,110,800 km (0.071 R)
• M8: 9,190,396 km (0.072 R)
• M9: 9,745,104 km (0.114 R)
• M10: 11,185,582 km (0.113 R)
• M11: 12,666,751 km (0.115 R)
• M12: 14,432,305 km (0.079 R)
• M13: 15,073,930 km (0.032 R)
• M14: 17,410,499 km (0.072 R)
• M15: 18,137,695 km (0.066 R)
• M16: 18,571,229 km (0.039 R)
• M17: 20,110,591 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.1

Radius: 5

Gravity: 39.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.88 AU - 7.34 AU

Year: 11333 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,538,069 km

• M1: 67,469 km (0.11 R)
• M2: 226,491 km (0.098 R)
• M3: 477,217 km (0.089 R)
• M4: 934,987 km (0.047 R)
• M5: 1,521,859 km (0.032 R)
• M6: 1,894,657 km (0.058 R)
• M7: 2,597,468 km (0.079 R)
• M8: 2,820,369 km (0.033 R)
• M9: 3,153,972 km (0.12 R)
• M10: 5,333,762 km (0.057 R)
• M11: 5,548,435 km (0.078 R)
• M12: 7,259,536 km (0.088 R)
• M13: 7,793,600 km (0.076 R)
• M14: 8,258,251 km (0.085 R)
• M15: 9,191,742 km (0.094 R)
• M16: 9,396,990 km (0.093 R)
• M17: 9,710,398 km (0.117 R)
• M18: 10,084,841 km (0.097 R)
• M19: 10,248,352 km (0.073 R)
• M20: 10,469,009 km (0.097 R)
• M21: 11,383,351 km (0.065 R)
• M22: 14,513,537 km (0.084 R)
• M23: 18,824,050 km (0.114 R)
• M24: 21,492,277 km (0.052 R)
• M25: 25,595,896 km (0.086 R)
• M26: 26,412,850 km (0.092 R)
• M27: 28,858,476 km (0.096 R)
• M28: 29,855,247 km (0.091 R)
• M29: 36,449,820 km (0.108 R)
• M30: 37,352,943 km (0.111 R)
• M31: 40,700,494 km (0.118 R)
• M32: 41,953,077 km (0.086 R)
• M33: 42,802,195 km (0.068 R)
• M34: 43,087,628 km (0.085 R)
• M35: 45,864,314 km (0.114 R)
• M36: 51,447,905 km (0.03 R)
• M37: 58,690,386 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.2

Radius: 6

Gravity: 21.62 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.6 AU - 7.46 AU

Year: 12430 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,538,069 km

• M1: 110,104 km (0.117 R)
• M2: 496,216 km (0.083 R)
• M3: 750,084 km (0.069 R)
• M4: 1,262,456 km (0.044 R)
• M5: 1,454,091 km (0.101 R)
• M6: 2,284,659 km (0.085 R)
• M7: 2,768,757 km (0.081 R)
• M8: 4,054,401 km (0.063 R)
• M9: 4,322,331 km (0.102 R)
• M10: 5,585,984 km (0.079 R)
• M11: 7,734,509 km (0.114 R)
• M12: 8,054,349 km (0.078 R)
• M13: 9,473,884 km (0.102 R)
• M14: 11,635,274 km (0.115 R)
• M15: 13,970,496 km (0.078 R)
• M16: 19,292,889 km (0.065 R)
• M17: 23,190,812 km (0.097 R)
• M18: 25,825,679 km (0.115 R)
• M19: 28,222,087 km (0.025 R)
• M20: 30,310,324 km (0.059 R)
• M21: 30,876,552 km (0.082 R)
• M22: 37,838,238 km (0.096 R)
• M23: 41,334,490 km (0.115 R)
• M24: 44,893,573 km (0.1 R)
• M25: 45,777,098 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.8

Radius: 7.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.55 AU - 8.45 AU

Year: 13697 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,538,069 km

• M1: 99,183 km (0.068 R)
• M2: 605,871 km (0.085 R)
• M3: 1,451,249 km (0.091 R)
• M4: 1,706,164 km (0.077 R)
• M5: 2,448,468 km (0.086 R)
• M6: 2,702,336 km (0.092 R)
• M7: 3,044,616 km (0.028 R)
• M8: 3,788,716 km (0.102 R)
• M9: 5,244,453 km (0.115 R)
• M10: 6,154,905 km (0.102 R)
• M11: 6,749,706 km (0.065 R)
• M12: 7,601,367 km (0.046 R)
• M13: 8,007,376 km (0.1 R)
• M14: 9,516,968 km (0.062 R)
• M15: 10,203,323 km (0.102 R)
• M16: 10,641,944 km (0.11 R)
• M17: 11,207,573 km (0.064 R)
• M18: 12,154,229 km (0.119 R)
• M19: 17,005,538 km (0.035 R)
• M20: 18,253,633 km (0.115 R)
• M21: 21,818,700 km (0.093 R)
• M22: 24,534,649 km (0.118 R)
• M23: 29,622,323 km (0.103 R)
• M24: 30,967,507 km (0.072 R)
• M25: 31,655,209 km (0.063 R)
• M26: 33,658,773 km (0.091 R)
• M27: 35,745,514 km (0.063 R)
• M28: 36,375,321 km (0.045 R)
• M29: 40,310,493 km (0.113 R)
• M30: 42,661,722 km (0.093 R)
• M31: 43,513,084 km (0.081 R)
• M32: 50,893,495 km (0.07 R)
• M33: 51,370,712 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.7

Radius: 7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.32 AU - 9.04 AU

Year: 15601 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,538,069 km

• M1: 87,216 km (0.119 R)
• M2: 364,720 km (0.105 R)
• M3: 1,028,934 km (0.036 R)
• M4: 2,002,367 km (0.087 R)
• M5: 2,509,654 km (0.119 R)
• M6: 4,327,866 km (0.096 R)
• M7: 5,112,058 km (0.086 R)
• M8: 8,673,236 km (0.066 R)
• M9: 12,016,299 km (0.082 R)
• M10: 22,314,617 km (0.047 R)
• M11: 23,923,991 km (0.097 R)
• M12: 24,272,404 km (0.066 R)
• M13: 25,609,061 km (0.078 R)
• M14: 30,930,856 km (0.09 R)
• M15: 37,880,275 km (0.096 R)
• M16: 41,152,579 km (0.029 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 19,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit