🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.2

Radius: 8

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 7.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,632,517 km

• M1: 99,483 km (0.097 R)
• M2: 392,844 km (0.088 R)
• M3: 647,011 km (0.073 R)
• M4: 954,285 km (0.117 R)
• M5: 1,212,640 km (0.085 R)
• M6: 1,493,884 km (0.047 R)
• M7: 1,777,671 km (0.101 R)
• M8: 2,044,105 km (0.079 R)
• M9: 2,337,317 km (0.093 R)
• M10: 2,586,697 km (0.101 R)
• M11: 2,950,369 km (0.1 R)
• M12: 3,921,110 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 10.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.97 AU

Year: 609 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,632,517 km

• M1: 128,056 km (0.1 R)
• M2: 531,222 km (0.11 R)
• M3: 885,619 km (0.076 R)
• M4: 1,237,922 km (0.102 R)
• M5: 1,641,537 km (0.095 R)
• M6: 2,055,924 km (0.049 R)
• M7: 2,619,010 km (0.027 R)
• M8: 3,401,257 km (0.117 R)
• M9: 3,959,856 km (0.117 R)
• M10: 4,911,448 km (0.072 R)
• M11: 5,728,850 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.86 AU - 1 AU

Year: 619 Days

Day: 5 Hours

Environment

Temp: -164 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,632,517 km

• M1: 184,005 km (0.107 R)
• M2: 690,394 km (0.092 R)
• M3: 1,283,101 km (0.083 R)
• M4: 1,984,117 km (0.119 R)
• M5: 2,439,492 km (0.114 R)
• M6: 3,043,868 km (0.1 R)
• M7: 3,747,427 km (0.116 R)
• M8: 5,602,291 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 9.1

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.34 AU - 1.62 AU

Year: 1243 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,632,517 km

• M1: 113,395 km (0.103 R)
• M2: 491,279 km (0.096 R)
• M3: 853,157 km (0.085 R)
• M4: 1,189,004 km (0.063 R)
• M5: 1,478,775 km (0.082 R)
• M6: 2,240,527 km (0.035 R)
• M7: 2,597,917 km (0.119 R)
• M8: 3,365,653 km (0.103 R)
• M9: 3,669,337 km (0.117 R)
• M10: 3,974,067 km (0.086 R)
• M11: 4,295,703 km (0.109 R)
• M12: 5,155,891 km (0.106 R)
• M13: 5,626,974 km (0.066 R)
• M14: 6,010,394 km (0.102 R)
• M15: 6,956,600 km (0.114 R)
• M16: 7,425,290 km (0.109 R)
• M17: 8,542,786 km (0.102 R)
• M18: 10,490,850 km (0.071 R)
• M19: 12,565,473 km (0.108 R)
• M20: 13,026,683 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 8.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.99 AU - 2.01 AU

Year: 1952 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,632,517 km

• M1: 130,300 km (0.112 R)
• M2: 1,539,811 km (0.048 R)
• M3: 3,983,343 km (0.082 R)
• M4: 4,691,838 km (0.107 R)
• M5: 6,098,357 km (0.053 R)
• M6: 7,251,607 km (0.111 R)
• M7: 8,279,345 km (0.094 R)
• M8: 8,924,411 km (0.082 R)
• M9: 10,073,322 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.4

Radius: 9

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2 AU - 2.74 AU

Year: 2518 Days

Day: 9.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,632,517 km

• M1: 112,348 km (0.092 R)
• M2: 402,119 km (0.079 R)
• M3: 731,384 km (0.115 R)
• M4: 1,347,877 km (0.111 R)
• M5: 2,319,814 km (0.099 R)
• M6: 2,612,577 km (0.118 R)
• M7: 3,492,213 km (0.117 R)
• M8: 4,145,507 km (0.095 R)
• M9: 4,807,926 km (0.032 R)
• M10: 5,091,863 km (0.109 R)
• M11: 6,258,876 km (0.084 R)
• M12: 8,415,179 km (0.101 R)
• M13: 10,191,505 km (0.12 R)
• M14: 11,395,019 km (0.083 R)
• M15: 11,688,979 km (0.1 R)
• M16: 12,961,160 km (0.03 R)
• M17: 14,765,011 km (0.103 R)
• M18: 15,572,241 km (0.078 R)
• M19: 19,573,236 km (0.063 R)
• M20: 20,547,118 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 11.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.13 AU - 2.71 AU

Year: 2599 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,632,517 km

• M1: 141,819 km (0.108 R)
• M2: 496,964 km (0.1 R)
• M3: 852,708 km (0.107 R)
• M4: 1,300,005 km (0.12 R)
• M5: 2,023,012 km (0.103 R)
• M6: 2,400,747 km (0.045 R)
• M7: 3,086,653 km (0.098 R)
• M8: 4,548,822 km (0.03 R)
• M9: 5,760,266 km (0.031 R)
• M10: 6,453,802 km (0.093 R)
• M11: 7,556,188 km (0.069 R)
• M12: 8,841,234 km (0.099 R)
• M13: 10,301,010 km (0.098 R)
• M14: 12,645,508 km (0.089 R)
• M15: 13,651,254 km (0.083 R)
• M16: 14,279,865 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 11.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.38 AU - 3.94 AU

Year: 3877 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,632,517 km

• M1: 146,756 km (0.115 R)
• M2: 576,849 km (0.042 R)
• M3: 999,015 km (0.087 R)
• M4: 1,742,366 km (0.095 R)
• M5: 2,791,646 km (0.077 R)
• M6: 3,485,780 km (0.109 R)
• M7: 3,973,170 km (0.094 R)
• M8: 5,298,906 km (0.107 R)
• M9: 6,997,740 km (0.108 R)
• M10: 7,637,570 km (0.036 R)
• M11: 9,630,064 km (0.12 R)
• M12: 10,209,606 km (0.086 R)
• M13: 10,724,821 km (0.098 R)
• M14: 11,257,389 km (0.083 R)
• M15: 13,261,402 km (0.044 R)
• M16: 14,508,002 km (0.086 R)
• M17: 14,995,092 km (0.074 R)
• M18: 15,437,154 km (0.112 R)
• M19: 16,639,322 km (0.065 R)
• M20: 21,374,993 km (0.068 R)
• M21: 23,601,458 km (0.079 R)
• M22: 25,272,615 km (0.089 R)
• M23: 25,663,066 km (0.117 R)
• M24: 26,616,902 km (0.12 R)
• M25: 27,347,688 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.8

Radius: 11.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.3 AU - 5.42 AU

Year: 6284 Days

Day: 12.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,632,517 km

• M1: 150,196 km (0.115 R)
• M2: 558,000 km (0.086 R)
• M3: 1,247,497 km (0.081 R)
• M4: 1,976,337 km (0.074 R)
• M5: 2,518,929 km (0.099 R)
• M6: 2,971,463 km (0.097 R)
• M7: 3,624,008 km (0.092 R)
• M8: 4,418,373 km (0.07 R)
• M9: 5,161,575 km (0.105 R)
• M10: 5,867,528 km (0.099 R)
• M11: 6,415,056 km (0.101 R)
• M12: 7,197,602 km (0.097 R)
• M13: 8,153,084 km (0.093 R)
• M14: 8,913,939 km (0.12 R)
• M15: 9,597,302 km (0.115 R)
• M16: 12,194,620 km (0.115 R)
• M17: 13,812,371 km (0.105 R)
• M18: 14,238,277 km (0.091 R)
• M19: 15,172,515 km (0.094 R)
• M20: 17,842,837 km (0.089 R)
• M21: 18,733,992 km (0.109 R)
• M22: 20,193,768 km (0.069 R)
• M23: 20,812,205 km (0.098 R)
• M24: 22,670,361 km (0.116 R)
• M25: 23,413,712 km (0.059 R)
• M26: 23,867,443 km (0.077 R)
• M27: 25,422,363 km (0.086 R)
• M28: 28,389,786 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.1

Radius: 6.1

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.27 AU - 12.67 AU

Year: 23385 Days

Day: 17 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,632,517 km

• M1: 104,120 km (0.064 R)
• M2: 341,233 km (0.112 R)
• M3: 1,214,436 km (0.059 R)
• M4: 1,957,039 km (0.074 R)
• M5: 2,551,691 km (0.105 R)
• M6: 2,891,128 km (0.118 R)
• M7: 3,232,810 km (0.092 R)
• M8: 4,092,250 km (0.119 R)
• M9: 4,320,835 km (0.071 R)
• M10: 4,732,379 km (0.074 R)
• M11: 5,476,180 km (0.045 R)
• M12: 6,338,163 km (0.07 R)
• M13: 7,920,310 km (0.108 R)
• M14: 9,520,408 km (0.057 R)
• M15: 10,157,546 km (0.107 R)
• M16: 11,973,365 km (0.095 R)
• M17: 12,374,287 km (0.082 R)
• M18: 15,280,076 km (0.109 R)
• M19: 16,559,886 km (0.081 R)
• M20: 17,822,941 km (0.11 R)
• M21: 18,789,193 km (0.071 R)
• M22: 19,882,604 km (0.086 R)
• M23: 20,444,943 km (0.061 R)
• M24: 24,255,051 km (0.098 R)
• M25: 26,103,033 km (0.111 R)
• M26: 31,318,015 km (0.08 R)
• M27: 31,823,955 km (0.059 R)
• M28: 39,051,776 km (0.109 R)
• M29: 42,502,101 km (0.062 R)
• M30: 44,380,452 km (0.088 R)
• M31: 51,917,492 km (0.114 R)
• M32: 53,340,916 km (0.078 R)
• M33: 60,654,606 km (0.115 R)
• M34: 62,832,003 km (0.068 R)
• M35: 66,298,784 km (0.102 R)
• M36: 67,552,265 km (0.071 R)
• M37: 72,724,013 km (0.081 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 14,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit