🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.5

Radius: 11.5

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.08 AU - 1.12 AU

Year: 745 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,906,438 km

• M1: 143,016 km (0.063 R)
• M2: 528,080 km (0.111 R)
• M3: 906,413 km (0.113 R)
• M4: 1,796,072 km (0.042 R)
• M5: 2,264,164 km (0.071 R)
• M6: 2,908,931 km (0.072 R)
• M7: 3,381,809 km (0.104 R)
• M8: 4,434,230 km (0.094 R)
• M9: 6,230,003 km (0.065 R)
• M10: 6,909,626 km (0.115 R)
• M11: 7,804,072 km (0.116 R)
• M12: 8,316,894 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.5

Radius: 9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.17 AU - 1.29 AU

Year: 881 Days

Day: 5.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,906,438 km

• M1: 111,899 km (0.091 R)
• M2: 406,757 km (0.089 R)
• M3: 969,095 km (0.104 R)
• M4: 1,877,304 km (0.119 R)
• M5: 2,178,594 km (0.119 R)
• M6: 2,522,968 km (0.077 R)
• M7: 2,891,876 km (0.111 R)
• M8: 3,361,165 km (0.08 R)
• M9: 3,738,750 km (0.032 R)
• M10: 4,129,649 km (0.086 R)
• M11: 4,436,624 km (0.098 R)
• M12: 4,841,885 km (0.114 R)
• M13: 5,450,449 km (0.057 R)
• M14: 5,954,145 km (0.11 R)
• M15: 7,206,578 km (0.103 R)
• M16: 7,494,853 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 14.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.39 AU - 1.87 AU

Year: 1344 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,906,438 km

• M1: 176,675 km (0.09 R)
• M2: 627,114 km (0.113 R)
• M3: 1,239,418 km (0.085 R)
• M4: 1,887,925 km (0.113 R)
• M5: 2,486,616 km (0.11 R)
• M6: 2,935,858 km (0.083 R)
• M7: 4,019,695 km (0.045 R)
• M8: 5,103,831 km (0.089 R)
• M9: 5,861,095 km (0.026 R)
• M10: 6,593,526 km (0.115 R)
• M11: 8,590,209 km (0.086 R)
• M12: 9,255,022 km (0.108 R)
• M13: 10,619,504 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 8.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.31 AU - 2.03 AU

Year: 1393 Days

Day: 14.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 80.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,906,438 km

• M1: 109,356 km (0.091 R)
• M2: 533,316 km (0.078 R)
• M3: 809,025 km (0.118 R)
• M4: 1,526,945 km (0.055 R)
• M5: 1,995,935 km (0.114 R)
• M6: 2,800,622 km (0.067 R)
• M7: 3,139,461 km (0.103 R)
• M8: 4,617,189 km (0.057 R)
• M9: 5,989,899 km (0.095 R)
• M10: 7,492,909 km (0.03 R)
• M11: 9,091,811 km (0.113 R)
• M12: 9,662,377 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 11.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.59 AU - 2.05 AU

Year: 1585 Days

Day: 11 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,906,438 km

• M1: 146,756 km (0.109 R)
• M2: 598,691 km (0.039 R)
• M3: 1,013,077 km (0.105 R)
• M4: 1,388,418 km (0.038 R)
• M5: 1,818,512 km (0.113 R)
• M6: 2,498,584 km (0.113 R)
• M7: 2,884,546 km (0.092 R)
• M8: 4,145,507 km (0.096 R)
• M9: 4,671,343 km (0.044 R)
• M10: 5,477,825 km (0.082 R)
• M11: 7,287,361 km (0.032 R)
• M12: 8,256,007 km (0.104 R)
• M13: 8,907,656 km (0.055 R)
• M14: 9,308,578 km (0.108 R)
• M15: 10,414,705 km (0.029 R)
• M16: 11,570,049 km (0.1 R)
• M17: 12,273,009 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 13.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.74 AU - 2.32 AU

Year: 1867 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,906,438 km

• M1: 175,777 km (0.057 R)
• M2: 664,963 km (0.055 R)
• M3: 1,107,922 km (0.098 R)
• M4: 1,860,100 km (0.084 R)
• M5: 2,718,343 km (0.065 R)
• M6: 3,626,252 km (0.059 R)
• M7: 4,201,755 km (0.078 R)
• M8: 4,782,494 km (0.03 R)
• M9: 5,848,828 km (0.077 R)
• M10: 6,461,282 km (0.107 R)
• M11: 7,585,659 km (0.09 R)
• M12: 8,532,165 km (0.111 R)
• M13: 9,350,765 km (0.096 R)
• M14: 10,283,058 km (0.068 R)
• M15: 10,788,101 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 8.8

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.58 AU - 3.04 AU

Year: 3041 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,906,438 km

• M1: 113,844 km (0.109 R)
• M2: 490,831 km (0.112 R)
• M3: 784,042 km (0.079 R)
• M4: 1,299,557 km (0.075 R)
• M5: 1,838,558 km (0.098 R)
• M6: 2,201,482 km (0.079 R)
• M7: 2,690,518 km (0.108 R)
• M8: 3,548,761 km (0.067 R)
• M9: 4,287,774 km (0.115 R)
• M10: 4,670,894 km (0.076 R)
• M11: 5,376,996 km (0.09 R)
• M12: 6,436,748 km (0.119 R)
• M13: 8,159,666 km (0.059 R)
• M14: 9,404,321 km (0.03 R)
• M15: 10,170,112 km (0.107 R)
• M16: 11,311,095 km (0.115 R)
• M17: 12,000,143 km (0.103 R)
• M18: 12,717,016 km (0.117 R)
• M19: 13,273,221 km (0.083 R)
• M20: 14,088,679 km (0.098 R)
• M21: 16,517,101 km (0.107 R)
• M22: 17,403,767 km (0.077 R)
• M23: 19,271,946 km (0.084 R)
• M24: 21,399,227 km (0.112 R)
• M25: 21,921,623 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 9.7

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.16 AU - 4.66 AU

Year: 4992 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,906,438 km

• M1: 127,009 km (0.067 R)
• M2: 464,801 km (0.111 R)
• M3: 1,022,950 km (0.098 R)
• M4: 1,477,578 km (0.109 R)
• M5: 1,918,293 km (0.105 R)
• M6: 3,046,561 km (0.115 R)
• M7: 3,631,638 km (0.116 R)
• M8: 4,339,834 km (0.091 R)
• M9: 6,986,669 km (0.114 R)
• M10: 7,339,421 km (0.092 R)
• M11: 7,815,591 km (0.097 R)
• M12: 8,748,932 km (0.093 R)
• M13: 9,117,541 km (0.096 R)
• M14: 10,017,971 km (0.108 R)
• M15: 10,467,064 km (0.098 R)
• M16: 11,895,574 km (0.105 R)
• M17: 12,399,420 km (0.09 R)
• M18: 13,558,055 km (0.106 R)
• M19: 15,076,922 km (0.096 R)
• M20: 15,488,466 km (0.088 R)
• M21: 17,338,244 km (0.057 R)
• M22: 19,746,769 km (0.102 R)
• M23: 25,053,006 km (0.102 R)
• M24: 27,244,315 km (0.041 R)
• M25: 28,031,649 km (0.12 R)
• M26: 30,766,148 km (0.073 R)
• M27: 31,333,723 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 13.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.17 AU - 4.95 AU

Year: 5282 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,906,438 km

• M1: 170,392 km (0.048 R)
• M2: 648,507 km (0.104 R)
• M3: 1,078,301 km (0.083 R)
• M4: 2,178,145 km (0.052 R)
• M5: 2,614,821 km (0.058 R)
• M6: 4,860,884 km (0.104 R)
• M7: 5,964,766 km (0.113 R)
• M8: 6,513,342 km (0.079 R)
• M9: 7,062,216 km (0.119 R)
• M10: 8,401,865 km (0.037 R)
• M11: 11,955,712 km (0.112 R)
• M12: 17,124,019 km (0.089 R)
• M13: 18,553,427 km (0.106 R)
• M14: 19,068,792 km (0.098 R)
• M15: 22,004,650 km (0.072 R)
• M16: 22,948,613 km (0.11 R)
• M17: 25,624,320 km (0.06 R)
• M18: 26,587,730 km (0.099 R)
• M19: 28,078,024 km (0.077 R)
• M20: 28,586,956 km (0.086 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 11.2

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.24 AU - 4.8 AU

Year: 6205 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,906,438 km

• M1: 139,276 km (0.076 R)
• M2: 513,869 km (0.112 R)
• M3: 972,237 km (0.05 R)
• M4: 1,636,302 km (0.05 R)
• M5: 2,087,040 km (0.08 R)
• M6: 2,639,056 km (0.1 R)
• M7: 3,937,416 km (0.116 R)
• M8: 4,841,286 km (0.12 R)
• M9: 5,251,633 km (0.117 R)
• M10: 5,781,060 km (0.102 R)
• M11: 8,305,375 km (0.11 R)
• M12: 8,982,006 km (0.093 R)
• M13: 10,349,629 km (0.083 R)
• M14: 10,884,292 km (0.077 R)
• M15: 11,386,343 km (0.114 R)
• M16: 14,548,842 km (0.111 R)
• M17: 17,023,191 km (0.093 R)
• M18: 17,427,254 km (0.099 R)
• M19: 17,837,751 km (0.097 R)
• M20: 18,607,133 km (0.099 R)
• M21: 19,108,136 km (0.111 R)
• M22: 20,062,570 km (0.105 R)
• M23: 22,225,756 km (0.062 R)
• M24: 24,797,343 km (0.107 R)
• M25: 30,722,316 km (0.094 R)
• M26: 38,097,940 km (0.104 R)
• M27: 38,906,367 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 20,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit