🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 13.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.59 AU - 0.75 AU

Year: 366 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,296,742 km

• M1: 171,738 km (0.102 R)
• M2: 677,529 km (0.095 R)
• M3: 1,204,562 km (0.103 R)
• M4: 1,775,428 km (0.068 R)
• M5: 2,207,317 km (0.069 R)
• M6: 3,247,171 km (0.095 R)
• M7: 4,141,318 km (0.103 R)
• M8: 4,829,169 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 8.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,296,742 km

• M1: 109,506 km (0.08 R)
• M2: 493,823 km (0.072 R)
• M3: 865,872 km (0.106 R)
• M4: 1,214,436 km (0.086 R)
• M5: 1,811,331 km (0.104 R)
• M6: 2,217,340 km (0.109 R)
• M7: 2,502,324 km (0.112 R)
• M8: 2,864,500 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 11.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.65 AU - 0.81 AU

Year: 416 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 153.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,296,742 km

• M1: 145,559 km (0.079 R)
• M2: 583,132 km (0.12 R)
• M3: 1,084,285 km (0.06 R)
• M4: 1,772,735 km (0.05 R)
• M5: 3,439,105 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 12.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.6 AU - 0.86 AU

Year: 416 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,296,742 km

• M1: 157,975 km (0.1 R)
• M2: 560,842 km (0.097 R)
• M3: 1,195,586 km (0.089 R)
• M4: 1,942,379 km (0.064 R)
• M5: 2,406,132 km (0.089 R)
• M6: 3,088,298 km (0.109 R)
• M7: 4,035,851 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 8.9

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.89 AU

Year: 416 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,296,742 km

• M1: 110,702 km (0.041 R)
• M2: 403,465 km (0.078 R)
• M3: 749,785 km (0.071 R)
• M4: 1,109,867 km (0.071 R)
• M5: 1,425,817 km (0.084 R)
• M6: 1,794,576 km (0.099 R)
• M7: 2,226,316 km (0.082 R)
• M8: 2,705,477 km (0.096 R)
• M9: 3,088,598 km (0.117 R)
• M10: 3,545,320 km (0.113 R)
• M11: 3,830,005 km (0.111 R)
• M12: 4,372,447 km (0.091 R)
• M13: 4,777,408 km (0.058 R)
• M14: 5,093,359 km (0.065 R)
• M15: 5,490,840 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 12.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.64 AU - 2.44 AU

Year: 1943 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,296,742 km

• M1: 160,519 km (0.115 R)
• M2: 948,002 km (0.058 R)
• M3: 1,983,817 km (0.11 R)
• M4: 2,449,366 km (0.05 R)
• M5: 3,475,159 km (0.115 R)
• M6: 3,892,537 km (0.101 R)
• M7: 4,362,274 km (0.112 R)
• M8: 4,849,664 km (0.106 R)
• M9: 6,786,208 km (0.064 R)
• M10: 7,634,428 km (0.078 R)
• M11: 9,256,219 km (0.073 R)
• M12: 10,538,123 km (0.042 R)
• M13: 11,602,362 km (0.051 R)
• M14: 13,012,023 km (0.115 R)
• M15: 13,944,167 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 15

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.77 AU - 4.47 AU

Year: 4593 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,296,742 km

• M1: 189,092 km (0.092 R)
• M2: 691,292 km (0.091 R)
• M3: 1,221,018 km (0.063 R)
• M4: 2,464,027 km (0.119 R)
• M5: 3,032,498 km (0.098 R)
• M6: 3,541,730 km (0.034 R)
• M7: 4,224,195 km (0.118 R)
• M8: 5,709,104 km (0.119 R)
• M9: 7,450,273 km (0.091 R)
• M10: 7,945,293 km (0.083 R)
• M11: 9,001,902 km (0.084 R)
• M12: 10,627,582 km (0.081 R)
• M13: 12,343,919 km (0.056 R)
• M14: 12,838,040 km (0.119 R)
• M15: 15,340,364 km (0.067 R)
• M16: 19,514,145 km (0.055 R)
• M17: 22,149,461 km (0.118 R)
• M18: 23,103,147 km (0.115 R)
• M19: 23,855,325 km (0.045 R)
• M20: 24,935,721 km (0.062 R)
• M21: 25,647,209 km (0.092 R)
• M22: 28,888,546 km (0.028 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 14.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.22 AU - 4.5 AU

Year: 5057 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 29,296,742 km

• M1: 179,069 km (0.077 R)
• M2: 658,081 km (0.083 R)
• M3: 1,427,313 km (0.035 R)
• M4: 1,877,453 km (0.103 R)
• M5: 4,254,115 km (0.069 R)
• M6: 5,070,321 km (0.082 R)
• M7: 5,590,921 km (0.086 R)
• M8: 6,179,140 km (0.112 R)
• M9: 7,407,638 km (0.098 R)
• M10: 7,889,343 km (0.097 R)
• M11: 8,998,611 km (0.086 R)
• M12: 9,897,096 km (0.084 R)
• M13: 11,624,802 km (0.059 R)
• M14: 12,175,322 km (0.069 R)
• M15: 13,655,593 km (0.118 R)
• M16: 14,212,396 km (0.105 R)
• M17: 14,726,414 km (0.12 R)
• M18: 15,312,240 km (0.066 R)
• M19: 16,655,629 km (0.103 R)
• M20: 17,681,122 km (0.049 R)
• M21: 20,070,948 km (0.062 R)
• M22: 20,646,152 km (0.084 R)
• M23: 21,232,276 km (0.116 R)
• M24: 22,132,257 km (0.113 R)
• M25: 24,493,659 km (0.106 R)
• M26: 27,720,336 km (0.095 R)
• M27: 28,254,550 km (0.065 R)
• M28: 32,090,838 km (0.086 R)
• M29: 33,176,469 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.7

Radius: 9.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.03 AU - 6.39 AU

Year: 7930 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 91.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,296,742 km

• M1: 116,986 km (0.041 R)
• M2: 449,242 km (0.057 R)
• M3: 813,962 km (0.055 R)
• M4: 1,127,818 km (0.079 R)
• M5: 1,422,377 km (0.08 R)
• M6: 1,730,698 km (0.058 R)
• M7: 2,309,791 km (0.114 R)
• M8: 3,528,864 km (0.084 R)
• M9: 3,919,763 km (0.075 R)
• M10: 4,840,538 km (0.118 R)
• M11: 5,159,481 km (0.106 R)
• M12: 5,520,760 km (0.11 R)
• M13: 6,049,139 km (0.103 R)
• M14: 6,970,812 km (0.119 R)
• M15: 8,544,133 km (0.102 R)
• M16: 10,738,135 km (0.108 R)
• M17: 11,190,818 km (0.065 R)
• M18: 13,334,855 km (0.113 R)
• M19: 16,501,842 km (0.082 R)
• M20: 17,104,871 km (0.058 R)
• M21: 17,910,755 km (0.048 R)
• M22: 19,265,663 km (0.092 R)
• M23: 21,247,535 km (0.069 R)
• M24: 21,673,889 km (0.11 R)
• M25: 26,176,187 km (0.094 R)
• M26: 27,329,287 km (0.056 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit