🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.8

Radius: 12.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.5 AU - 0.56 AU

Year: 262 Days

Day: 8.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,494,792 km

• M1: 158,275 km (0.108 R)
• M2: 623,823 km (0.054 R)
• M3: 1,020,257 km (0.066 R)
• M4: 1,939,536 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.5

Radius: 8.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.78 AU - 0.98 AU

Year: 560 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,494,792 km

• M1: 110,702 km (0.056 R)
• M2: 405,560 km (0.08 R)
• M3: 735,872 km (0.106 R)
• M4: 1,290,431 km (0.084 R)
• M5: 1,696,440 km (0.088 R)
• M6: 1,997,431 km (0.059 R)
• M7: 2,281,218 km (0.117 R)
• M8: 2,808,401 km (0.071 R)
• M9: 3,449,428 km (0.1 R)
• M10: 3,886,553 km (0.12 R)
• M11: 4,278,649 km (0.05 R)
• M12: 4,769,330 km (0.075 R)
• M13: 5,312,669 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 11.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.92 AU

Year: 569 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,494,792 km

• M1: 141,819 km (0.111 R)
• M2: 510,278 km (0.091 R)
• M3: 1,129,165 km (0.094 R)
• M4: 1,622,987 km (0.054 R)
• M5: 1,998,478 km (0.105 R)
• M6: 2,412,714 km (0.095 R)
• M7: 2,818,125 km (0.07 R)
• M8: 3,220,693 km (0.1 R)
• M9: 3,849,153 km (0.103 R)
• M10: 4,466,693 km (0.097 R)
• M11: 5,845,537 km (0.083 R)
• M12: 6,802,814 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 10.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.11 AU - 1.19 AU

Year: 836 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,494,792 km

• M1: 129,402 km (0.083 R)
• M2: 497,263 km (0.069 R)
• M3: 825,780 km (0.073 R)
• M4: 2,301,713 km (0.111 R)
• M5: 2,657,606 km (0.062 R)
• M6: 3,061,820 km (0.063 R)
• M7: 3,507,023 km (0.115 R)
• M8: 3,845,413 km (0.1 R)
• M9: 4,306,474 km (0.099 R)
• M10: 4,946,454 km (0.049 R)
• M11: 5,596,456 km (0.112 R)
• M12: 6,060,808 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 11.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.96 AU - 3.16 AU

Year: 2778 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,494,792 km

• M1: 150,944 km (0.119 R)
• M2: 685,009 km (0.087 R)
• M3: 1,093,411 km (0.036 R)
• M4: 1,911,412 km (0.102 R)
• M5: 2,300,067 km (0.118 R)
• M6: 2,853,280 km (0.051 R)
• M7: 3,258,391 km (0.061 R)
• M8: 3,702,099 km (0.107 R)
• M9: 4,465,796 km (0.112 R)
• M10: 5,282,151 km (0.089 R)
• M11: 5,765,652 km (0.104 R)
• M12: 8,368,355 km (0.083 R)
• M13: 11,048,401 km (0.055 R)
• M14: 11,841,569 km (0.068 R)
• M15: 12,538,695 km (0.084 R)
• M16: 13,494,925 km (0.049 R)
• M17: 17,924,069 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 14.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.8 AU - 4.02 AU

Year: 4271 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,494,792 km

• M1: 180,864 km (0.102 R)
• M2: 700,716 km (0.081 R)
• M3: 1,323,492 km (0.049 R)
• M4: 1,856,659 km (0.055 R)
• M5: 2,501,426 km (0.105 R)
• M6: 3,043,269 km (0.096 R)
• M7: 3,727,680 km (0.087 R)
• M8: 4,587,867 km (0.08 R)
• M9: 5,663,027 km (0.087 R)
• M10: 6,575,126 km (0.088 R)
• M11: 8,198,711 km (0.106 R)
• M12: 9,489,292 km (0.119 R)
• M13: 10,291,586 km (0.108 R)
• M14: 11,230,462 km (0.076 R)
• M15: 12,031,858 km (0.115 R)
• M16: 12,972,230 km (0.12 R)
• M17: 14,014,628 km (0.116 R)
• M18: 21,334,003 km (0.115 R)
• M19: 21,906,963 km (0.102 R)
• M20: 22,934,401 km (0.1 R)
• M21: 25,323,628 km (0.072 R)
• M22: 28,044,814 km (0.042 R)
• M23: 29,697,122 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 13.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.01 AU - 5.13 AU

Year: 7743 Days

Day: 7 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,494,792 km

• M1: 169,195 km (0.113 R)
• M2: 590,313 km (0.057 R)
• M3: 1,046,886 km (0.096 R)
• M4: 1,709,455 km (0.087 R)
• M5: 2,220,032 km (0.078 R)
• M6: 2,735,846 km (0.098 R)
• M7: 3,510,314 km (0.114 R)
• M8: 4,453,678 km (0.07 R)
• M9: 5,132,404 km (0.09 R)
• M10: 6,010,543 km (0.074 R)
• M11: 6,451,109 km (0.043 R)
• M12: 8,025,178 km (0.026 R)
• M13: 9,120,234 km (0.107 R)
• M14: 10,264,807 km (0.042 R)
• M15: 12,025,425 km (0.114 R)
• M16: 12,949,790 km (0.078 R)
• M17: 15,187,026 km (0.05 R)
• M18: 15,752,506 km (0.028 R)
• M19: 16,792,810 km (0.098 R)
• M20: 21,730,288 km (0.079 R)
• M21: 24,443,394 km (0.072 R)
• M22: 25,748,337 km (0.113 R)
• M23: 27,190,909 km (0.11 R)
• M24: 29,941,864 km (0.109 R)
• M25: 31,032,283 km (0.118 R)
• M26: 32,149,031 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.1

Radius: 5.1

Gravity: 28.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.22 AU - 7.76 AU

Year: 13903 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 38,494,792 km

• M1: 63,579 km (0.103 R)
• M2: 369,656 km (0.089 R)
• M3: 697,874 km (0.12 R)
• M4: 1,228,947 km (0.109 R)
• M5: 1,766,751 km (0.1 R)
• M6: 1,995,636 km (0.057 R)
• M7: 2,165,429 km (0.045 R)
• M8: 4,011,766 km (0.027 R)
• M9: 4,503,494 km (0.105 R)
• M10: 5,034,567 km (0.114 R)
• M11: 5,984,812 km (0.075 R)
• M12: 7,626,051 km (0.081 R)
• M13: 8,378,678 km (0.071 R)
• M14: 8,773,018 km (0.109 R)
• M15: 9,335,356 km (0.085 R)
• M16: 10,531,540 km (0.102 R)
• M17: 10,702,232 km (0.103 R)
• M18: 11,523,225 km (0.106 R)
• M19: 13,962,268 km (0.11 R)
• M20: 14,237,529 km (0.028 R)
• M21: 16,494,512 km (0.115 R)
• M22: 17,270,775 km (0.07 R)
• M23: 21,066,522 km (0.05 R)
• M24: 21,611,208 km (0.045 R)
• M25: 22,445,814 km (0.069 R)
• M26: 22,634,158 km (0.089 R)
• M27: 25,281,292 km (0.075 R)
• M28: 27,692,959 km (0.029 R)
• M29: 29,233,818 km (0.117 R)
• M30: 29,458,514 km (0.064 R)
• M31: 29,684,257 km (0.09 R)
• M32: 32,968,229 km (0.091 R)
• M33: 37,271,711 km (0.117 R)
• M34: 42,796,061 km (0.055 R)
• M35: 45,903,658 km (0.101 R)
• M36: 49,317,032 km (0.114 R)
• M37: 52,895,713 km (0.112 R)
• M38: 53,564,415 km (0.1 R)
• M39: 56,818,169 km (0.11 R)
• M40: 61,296,830 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.6

Radius: 3.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.56 AU - 7.8 AU

Year: 14436 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,494,792 km

• M1: 42,336 km (0.093 R)
• M2: 256,112 km (0.102 R)
• M3: 404,064 km (0.063 R)
• M4: 545,733 km (0.062 R)
• M5: 931,097 km (0.107 R)
• M6: 1,038,209 km (0.1 R)
• M7: 1,144,573 km (0.079 R)
• M8: 3,150,232 km (0.079 R)
• M9: 3,394,076 km (0.049 R)
• M10: 3,630,142 km (0.069 R)
• M11: 4,566,625 km (0.086 R)
• M12: 5,492,336 km (0.062 R)
• M13: 6,717,244 km (0.084 R)
• M14: 7,941,702 km (0.086 R)
• M15: 10,368,180 km (0.119 R)
• M16: 14,841,306 km (0.107 R)
• M17: 17,009,128 km (0.045 R)
• M18: 20,836,440 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 7.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.29 AU - 9.97 AU

Year: 17195 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,494,792 km

• M1: 97,089 km (0.111 R)
• M2: 457,769 km (0.062 R)
• M3: 787,633 km (0.058 R)
• M4: 1,251,985 km (0.106 R)
• M5: 2,026,303 km (0.116 R)
• M6: 2,357,214 km (0.11 R)
• M7: 3,301,475 km (0.092 R)
• M8: 3,761,788 km (0.07 R)
• M9: 4,896,787 km (0.083 R)
• M10: 7,096,325 km (0.074 R)
• M11: 20,654,679 km (0.12 R)
• M12: 25,294,906 km (0.092 R)
• M13: 34,068,970 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 11,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit