🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.3

Radius: 13.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.73 AU - 0.73 AU

Year: 409 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,526,693 km

• M1: 171,589 km (0.073 R)
• M2: 601,683 km (0.079 R)
• M3: 1,275,771 km (0.087 R)
• M4: 1,856,659 km (0.107 R)
• M5: 2,493,946 km (0.076 R)
• M6: 2,940,197 km (0.062 R)
• M7: 3,972,123 km (0.098 R)
• M8: 4,599,985 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.5

Radius: 11.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.86 AU - 1.16 AU

Year: 666 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,526,693 km

• M1: 144,063 km (0.09 R)
• M2: 672,592 km (0.057 R)
• M3: 1,435,392 km (0.094 R)
• M4: 1,885,083 km (0.119 R)
• M5: 2,307,248 km (0.049 R)
• M6: 3,428,634 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 11.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.41 AU - 2.57 AU

Year: 2578 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,526,693 km

• M1: 143,016 km (0.096 R)
• M2: 642,373 km (0.07 R)
• M3: 1,817,614 km (0.109 R)
• M4: 3,230,416 km (0.086 R)
• M5: 4,988,042 km (0.084 R)
• M6: 5,455,086 km (0.082 R)
• M7: 5,927,068 km (0.09 R)
• M8: 6,712,456 km (0.12 R)
• M9: 7,480,342 km (0.111 R)
• M10: 8,004,234 km (0.117 R)
• M11: 10,278,271 km (0.065 R)
• M12: 10,743,820 km (0.096 R)
• M13: 11,373,777 km (0.091 R)
• M14: 14,230,647 km (0.076 R)
• M15: 14,719,533 km (0.093 R)
• M16: 15,966,880 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 12.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.04 AU - 3.36 AU

Year: 2910 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,526,693 km

• M1: 156,928 km (0.068 R)
• M2: 589,864 km (0.045 R)
• M3: 1,468,901 km (0.061 R)
• M4: 2,593,578 km (0.105 R)
• M5: 3,076,331 km (0.119 R)
• M6: 3,561,776 km (0.092 R)
• M7: 4,119,177 km (0.11 R)
• M8: 4,968,295 km (0.103 R)
• M9: 5,666,019 km (0.101 R)
• M10: 6,600,108 km (0.092 R)
• M11: 8,190,035 km (0.102 R)
• M12: 9,056,805 km (0.043 R)
• M13: 9,605,679 km (0.078 R)
• M14: 10,569,688 km (0.097 R)
• M15: 10,972,854 km (0.091 R)
• M16: 13,145,614 km (0.102 R)
• M17: 13,897,792 km (0.082 R)
• M18: 14,333,421 km (0.113 R)
• M19: 14,778,175 km (0.093 R)
• M20: 19,565,158 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.4

Radius: 8.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.14 AU - 3.82 AU

Year: 4259 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,526,693 km

• M1: 102,026 km (0.037 R)
• M2: 381,325 km (0.112 R)
• M3: 715,676 km (0.099 R)
• M4: 994,227 km (0.08 R)
• M5: 1,315,713 km (0.105 R)
• M6: 1,587,383 km (0.118 R)
• M7: 1,963,472 km (0.1 R)
• M8: 2,276,281 km (0.044 R)
• M9: 2,825,605 km (0.11 R)
• M10: 7,609,744 km (0.12 R)
• M11: 9,333,411 km (0.1 R)
• M12: 9,650,708 km (0.078 R)
• M13: 10,949,367 km (0.082 R)
• M14: 11,436,907 km (0.082 R)
• M15: 12,265,978 km (0.086 R)
• M16: 12,840,584 km (0.083 R)
• M17: 13,483,106 km (0.042 R)
• M18: 15,817,731 km (0.09 R)
• M19: 16,269,516 km (0.104 R)
• M20: 17,376,690 km (0.079 R)
• M21: 19,805,561 km (0.116 R)
• M22: 21,545,085 km (0.112 R)
• M23: 24,491,565 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.7

Radius: 10.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.16 AU - 4.08 AU

Year: 4518 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,526,693 km

• M1: 129,701 km (0.103 R)
• M2: 467,643 km (0.057 R)
• M3: 850,165 km (0.075 R)
• M4: 1,437,785 km (0.12 R)
• M5: 2,039,917 km (0.088 R)
• M6: 2,739,586 km (0.114 R)
• M7: 4,913,542 km (0.108 R)
• M8: 5,376,996 km (0.052 R)
• M9: 5,816,365 km (0.113 R)
• M10: 6,592,030 km (0.117 R)
• M11: 7,915,822 km (0.095 R)
• M12: 9,046,183 km (0.099 R)
• M13: 9,631,560 km (0.083 R)
• M14: 10,280,814 km (0.064 R)
• M15: 10,877,860 km (0.113 R)
• M16: 11,371,981 km (0.055 R)
• M17: 12,405,254 km (0.067 R)
• M18: 15,311,791 km (0.1 R)
• M19: 16,732,671 km (0.118 R)
• M20: 21,521,150 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 12.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.18 AU - 4.26 AU

Year: 5687 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,526,693 km

• M1: 154,385 km (0.047 R)
• M2: 582,085 km (0.1 R)
• M3: 1,098,796 km (0.104 R)
• M4: 1,947,465 km (0.112 R)
• M5: 2,340,907 km (0.102 R)
• M6: 3,598,577 km (0.07 R)
• M7: 4,175,277 km (0.095 R)
• M8: 4,634,991 km (0.037 R)
• M9: 5,599,897 km (0.068 R)
• M10: 6,439,291 km (0.107 R)
• M11: 8,905,711 km (0.106 R)
• M12: 11,151,324 km (0.078 R)
• M13: 12,137,623 km (0.08 R)
• M14: 12,826,970 km (0.068 R)
• M15: 14,829,936 km (0.109 R)
• M16: 15,220,536 km (0.09 R)
• M17: 17,094,549 km (0.09 R)
• M18: 20,255,252 km (0.098 R)
• M19: 26,958,284 km (0.115 R)
• M20: 28,387,842 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 8.7

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.48 AU - 5.02 AU

Year: 6791 Days

Day: 6.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,526,693 km

• M1: 108,159 km (0.079 R)
• M2: 405,111 km (0.115 R)
• M3: 748,887 km (0.053 R)
• M4: 1,115,252 km (0.103 R)
• M5: 1,469,799 km (0.11 R)
• M6: 1,869,225 km (0.036 R)
• M7: 2,613,176 km (0.068 R)
• M8: 2,949,023 km (0.11 R)
• M9: 4,563,483 km (0.038 R)
• M10: 5,704,915 km (0.114 R)
• M11: 6,204,422 km (0.031 R)
• M12: 6,696,599 km (0.116 R)
• M13: 7,290,652 km (0.045 R)
• M14: 8,414,431 km (0.075 R)
• M15: 10,166,522 km (0.11 R)
• M16: 10,901,047 km (0.072 R)
• M17: 11,618,070 km (0.08 R)
• M18: 12,919,871 km (0.119 R)
• M19: 14,076,860 km (0.1 R)
• M20: 16,134,729 km (0.114 R)
• M21: 18,528,145 km (0.113 R)
• M22: 25,839,891 km (0.101 R)
• M23: 28,809,708 km (0.095 R)
• M24: 30,277,113 km (0.117 R)
• M25: 31,691,112 km (0.11 R)
• M26: 33,254,410 km (0.101 R)
• M27: 39,545,300 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 8.3

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.43 AU - 5.15 AU

Year: 6877 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,526,693 km

• M1: 103,223 km (0.107 R)
• M2: 401,521 km (0.056 R)
• M3: 784,491 km (0.108 R)
• M4: 1,130,062 km (0.069 R)
• M5: 1,749,996 km (0.103 R)
• M6: 2,184,877 km (0.115 R)
• M7: 3,165,341 km (0.079 R)
• M8: 5,400,633 km (0.049 R)
• M9: 5,898,046 km (0.071 R)
• M10: 6,806,105 km (0.117 R)
• M11: 10,414,555 km (0.1 R)
• M12: 12,517,751 km (0.078 R)
• M13: 12,785,681 km (0.054 R)
• M14: 17,611,559 km (0.077 R)
• M15: 19,054,580 km (0.116 R)
• M16: 20,574,794 km (0.078 R)
• M17: 21,174,681 km (0.07 R)
• M18: 21,709,045 km (0.04 R)
• M19: 27,467,964 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.7

Radius: 4

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.53 AU - 7.49 AU

Year: 10896 Days

Day: 24.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,526,693 km

• M1: 79,287 km (0.069 R)
• M2: 435,479 km (0.092 R)
• M3: 837,598 km (0.094 R)
• M4: 1,243,906 km (0.06 R)
• M5: 2,253,243 km (0.076 R)
• M6: 2,450,862 km (0.112 R)
• M7: 3,427,736 km (0.115 R)
• M8: 4,498,258 km (0.096 R)
• M9: 4,899,779 km (0.089 R)
• M10: 6,213,248 km (0.037 R)
• M11: 7,947,237 km (0.111 R)
• M12: 8,533,063 km (0.118 R)
• M13: 8,749,082 km (0.1 R)
• M14: 9,327,876 km (0.075 R)
• M15: 11,114,523 km (0.103 R)
• M16: 12,889,652 km (0.104 R)
• M17: 13,289,078 km (0.115 R)
• M18: 14,475,688 km (0.1 R)
• M19: 15,157,705 km (0.084 R)
• M20: 16,187,387 km (0.084 R)
• M21: 17,748,142 km (0.098 R)
• M22: 21,243,795 km (0.034 R)
• M23: 23,110,328 km (0.034 R)
• M24: 24,126,397 km (0.044 R)
• M25: 32,293,543 km (0.109 R)
• M26: 33,135,629 km (0.037 R)
• M27: 33,455,170 km (0.108 R)
• M28: 40,284,313 km (0.096 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: 353 - 18,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit