🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 15

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.39 AU - 1.63 AU

Year: 1180 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,222,866 km

• M1: 186,549 km (0.114 R)
• M2: 681,269 km (0.104 R)
• M3: 1,413,999 km (0.099 R)
• M4: 1,905,428 km (0.097 R)
• M5: 2,624,545 km (0.117 R)
• M6: 3,091,440 km (0.119 R)
• M7: 3,598,577 km (0.103 R)
• M8: 4,374,092 km (0.071 R)
• M9: 5,037,260 km (0.087 R)
• M10: 5,636,848 km (0.109 R)
• M11: 6,758,981 km (0.046 R)
• M12: 8,025,327 km (0.119 R)
• M13: 8,758,806 km (0.073 R)
• M14: 9,598,499 km (0.103 R)
• M15: 10,425,775 km (0.032 R)
• M16: 10,992,003 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 14.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.58 AU - 4.3 AU

Year: 4057 Days

Day: 13 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,222,866 km

• M1: 179,069 km (0.044 R)
• M2: 651,050 km (0.076 R)
• M3: 1,222,813 km (0.12 R)
• M4: 1,737,130 km (0.111 R)
• M5: 3,731,569 km (0.11 R)
• M6: 4,229,431 km (0.061 R)
• M7: 4,987,144 km (0.083 R)
• M8: 5,515,374 km (0.116 R)
• M9: 6,537,577 km (0.069 R)
• M10: 7,715,361 km (0.058 R)
• M11: 9,818,557 km (0.12 R)
• M12: 11,705,884 km (0.053 R)
• M13: 13,534,867 km (0.102 R)
• M14: 15,026,807 km (0.116 R)
• M15: 17,523,745 km (0.046 R)
• M16: 21,051,861 km (0.118 R)
• M17: 22,914,055 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 11.1

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.83 AU - 4.93 AU

Year: 5828 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,222,866 km

• M1: 138,079 km (0.087 R)
• M2: 645,216 km (0.096 R)
• M3: 1,012,628 km (0.12 R)
• M4: 1,678,339 km (0.081 R)
• M5: 2,238,283 km (0.117 R)
• M6: 4,453,379 km (0.086 R)
• M7: 5,441,473 km (0.033 R)
• M8: 6,467,415 km (0.09 R)
• M9: 6,919,350 km (0.084 R)
• M10: 8,122,267 km (0.103 R)
• M11: 8,815,653 km (0.089 R)
• M12: 9,459,672 km (0.032 R)
• M13: 10,320,308 km (0.118 R)
• M14: 10,842,106 km (0.091 R)
• M15: 11,331,440 km (0.093 R)
• M16: 12,727,039 km (0.068 R)
• M17: 13,271,874 km (0.1 R)
• M18: 13,889,115 km (0.067 R)
• M19: 15,670,377 km (0.074 R)
• M20: 17,333,307 km (0.074 R)
• M21: 19,825,757 km (0.068 R)
• M22: 20,484,287 km (0.03 R)
• M23: 24,495,754 km (0.047 R)
• M24: 29,095,888 km (0.098 R)
• M25: 31,106,633 km (0.12 R)
• M26: 31,598,810 km (0.066 R)
• M27: 32,196,155 km (0.091 R)
• M28: 33,619,129 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.7

Radius: 7.5

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.08 AU - 7 AU

Year: 10634 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,222,866 km

• M1: 95,593 km (0.119 R)
• M2: 376,538 km (0.112 R)
• M3: 739,761 km (0.12 R)
• M4: 986,897 km (0.069 R)
• M5: 1,352,814 km (0.107 R)
• M6: 1,714,691 km (0.115 R)
• M7: 2,284,509 km (0.111 R)
• M8: 3,295,641 km (0.074 R)
• M9: 4,008,774 km (0.092 R)
• M10: 4,401,917 km (0.096 R)
• M11: 5,071,368 km (0.119 R)
• M12: 5,331,070 km (0.067 R)
• M13: 5,806,941 km (0.052 R)
• M14: 6,460,085 km (0.059 R)
• M15: 6,843,504 km (0.053 R)
• M16: 7,120,859 km (0.07 R)
• M17: 8,306,422 km (0.111 R)
• M18: 8,992,926 km (0.118 R)
• M19: 9,667,463 km (0.117 R)
• M20: 10,017,073 km (0.048 R)
• M21: 11,225,525 km (0.072 R)
• M22: 12,705,497 km (0.088 R)
• M23: 14,440,084 km (0.097 R)
• M24: 15,162,642 km (0.119 R)
• M25: 15,499,087 km (0.091 R)
• M26: 18,220,422 km (0.103 R)
• M27: 19,064,005 km (0.075 R)
• M28: 23,856,672 km (0.117 R)
• M29: 29,188,041 km (0.081 R)
• M30: 38,906,068 km (0.088 R)
• M31: 39,157,542 km (0.032 R)
• M32: 47,646,323 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.3

Radius: 3.3

Gravity: 56.96 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.42 AU - 10.36 AU

Year: 16853 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,222,866 km

• M1: 48,320 km (0.11 R)
• M2: 566,078 km (0.11 R)
• M3: 693,386 km (0.083 R)
• M4: 839,543 km (0.087 R)
• M5: 1,318,556 km (0.11 R)
• M6: 1,641,837 km (0.07 R)
• M7: 2,357,064 km (0.084 R)
• M8: 3,338,725 km (0.095 R)
• M9: 7,621,712 km (0.079 R)
• M10: 8,443,603 km (0.057 R)
• M11: 10,842,106 km (0.025 R)
• M12: 13,936,089 km (0.071 R)
• M13: 14,865,391 km (0.118 R)
• M14: 16,374,385 km (0.074 R)
• M15: 18,996,237 km (0.061 R)
• M16: 27,399,000 km (0.09 R)
• M17: 27,952,063 km (0.088 R)
• M18: 38,251,577 km (0.073 R)
• M19: 49,827,012 km (0.088 R)
• M20: 55,429,452 km (0.115 R)
• M21: 60,313,972 km (0.055 R)
• M22: 64,694,497 km (0.094 R)
• M23: 65,281,070 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.8

Radius: 3.4

Gravity: 38.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.96 AU - 10.9 AU

Year: 21417 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,222,866 km

• M1: 42,336 km (0.087 R)
• M2: 161,865 km (0.104 R)
• M3: 304,880 km (0.12 R)
• M4: 620,981 km (0.12 R)
• M5: 799,152 km (0.101 R)
• M6: 1,059,602 km (0.116 R)
• M7: 1,764,656 km (0.1 R)
• M8: 2,143,438 km (0.049 R)
• M9: 2,330,585 km (0.112 R)
• M10: 2,690,069 km (0.073 R)
• M11: 3,033,845 km (0.105 R)
• M12: 4,604,024 km (0.068 R)
• M13: 5,815,617 km (0.107 R)
• M14: 6,262,616 km (0.086 R)
• M15: 10,996,341 km (0.114 R)
• M16: 11,179,598 km (0.081 R)
• M17: 11,364,950 km (0.075 R)
• M18: 11,615,078 km (0.072 R)
• M19: 11,741,638 km (0.102 R)
• M20: 19,393,868 km (0.111 R)
• M21: 25,329,612 km (0.067 R)
• M22: 27,736,343 km (0.085 R)
• M23: 29,227,834 km (0.087 R)
• M24: 30,530,981 km (0.075 R)
• M25: 44,972,411 km (0.118 R)
• M26: 51,831,773 km (0.095 R)
• M27: 56,954,153 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 16,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit