🌌 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: 960.3

Radius: 10.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.58 AU - 0.76 AU

Year: 366 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,292,700 km

• M1: 133,142 km (0.101 R)
• M2: 525,537 km (0.108 R)
• M3: 1,089,072 km (0.109 R)
• M4: 1,444,517 km (0.079 R)
• M5: 2,123,243 km (0.074 R)
• M6: 3,272,304 km (0.097 R)
• M7: 3,693,721 km (0.099 R)
• M8: 4,124,264 km (0.111 R)
• M9: 4,720,561 km (0.103 R)
• M10: 5,260,609 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 10.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.59 AU - 0.95 AU

Year: 451 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,292,700 km

• M1: 126,859 km (0.096 R)
• M2: 470,186 km (0.101 R)
• M3: 838,945 km (0.038 R)
• M4: 1,355,058 km (0.071 R)
• M5: 1,810,134 km (0.037 R)
• M6: 2,340,309 km (0.117 R)
• M7: 2,674,960 km (0.09 R)
• M8: 3,441,948 km (0.109 R)
• M9: 3,913,331 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.4

Radius: 14

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.2 AU - 2.72 AU

Year: 2573 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,292,700 km

• M1: 175,179 km (0.06 R)
• M2: 906,713 km (0.069 R)
• M3: 1,343,389 km (0.069 R)
• M4: 1,834,668 km (0.066 R)
• M5: 2,285,407 km (0.038 R)
• M6: 2,826,353 km (0.107 R)
• M7: 3,417,414 km (0.116 R)
• M8: 3,894,930 km (0.098 R)
• M9: 4,417,176 km (0.102 R)
• M10: 5,054,762 km (0.099 R)
• M11: 5,628,470 km (0.116 R)
• M12: 6,352,524 km (0.099 R)
• M13: 7,707,133 km (0.116 R)
• M14: 9,527,888 km (0.119 R)
• M15: 12,115,333 km (0.106 R)
• M16: 12,753,368 km (0.109 R)
• M17: 16,032,553 km (0.057 R)
• M18: 16,698,114 km (0.03 R)
• M19: 17,489,038 km (0.061 R)
• M20: 19,088,987 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112

Radius: 13.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.15 AU - 3.47 AU

Year: 3141 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,292,700 km

• M1: 170,392 km (0.106 R)
• M2: 660,774 km (0.109 R)
• M3: 1,222,663 km (0.112 R)
• M4: 1,791,883 km (0.072 R)
• M5: 2,245,015 km (0.114 R)
• M6: 4,248,729 km (0.086 R)
• M7: 6,147,724 km (0.07 R)
• M8: 6,900,052 km (0.056 R)
• M9: 8,363,568 km (0.097 R)
• M10: 8,962,857 km (0.09 R)
• M11: 10,152,011 km (0.071 R)
• M12: 11,721,891 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.6

Radius: 9.1

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.01 AU - 3.33 AU

Year: 3764 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,292,700 km

• M1: 113,246 km (0.058 R)
• M2: 497,712 km (0.092 R)
• M3: 1,247,048 km (0.12 R)
• M4: 2,123,691 km (0.103 R)
• M5: 2,456,547 km (0.107 R)
• M6: 3,003,327 km (0.052 R)
• M7: 3,305,963 km (0.087 R)
• M8: 4,040,190 km (0.073 R)
• M9: 4,677,626 km (0.053 R)
• M10: 5,191,944 km (0.114 R)
• M11: 5,574,166 km (0.029 R)
• M12: 6,425,677 km (0.116 R)
• M13: 6,802,514 km (0.114 R)
• M14: 7,600,320 km (0.089 R)
• M15: 8,989,486 km (0.107 R)
• M16: 11,839,026 km (0.07 R)
• M17: 16,026,270 km (0.063 R)
• M18: 19,438,747 km (0.118 R)
• M19: 22,653,456 km (0.091 R)
• M20: 25,266,183 km (0.046 R)
• M21: 25,733,527 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 10.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.14 AU - 4.46 AU

Year: 4940 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,292,700 km

• M1: 125,662 km (0.08 R)
• M2: 520,900 km (0.062 R)
• M3: 927,656 km (0.099 R)
• M4: 1,253,630 km (0.105 R)
• M5: 2,749,758 km (0.071 R)
• M6: 3,355,630 km (0.053 R)
• M7: 4,265,783 km (0.114 R)
• M8: 4,767,983 km (0.03 R)
• M9: 5,239,366 km (0.045 R)
• M10: 6,249,451 km (0.067 R)
• M11: 9,116,494 km (0.03 R)
• M12: 12,137,474 km (0.08 R)
• M13: 16,715,468 km (0.078 R)
• M14: 17,436,529 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 5.9

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.85 AU - 6.81 AU

Year: 10620 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,292,700 km

• M1: 73,901 km (0.081 R)
• M2: 302,038 km (0.079 R)
• M3: 627,713 km (0.098 R)
• M4: 831,764 km (0.104 R)
• M5: 1,277,566 km (0.096 R)
• M6: 1,485,058 km (0.07 R)
• M7: 2,632,623 km (0.109 R)
• M8: 2,905,939 km (0.044 R)
• M9: 3,244,628 km (0.032 R)
• M10: 3,946,990 km (0.084 R)
• M11: 4,137,428 km (0.104 R)
• M12: 4,746,142 km (0.094 R)
• M13: 5,056,258 km (0.098 R)
• M14: 5,546,491 km (0.1 R)
• M15: 5,925,871 km (0.051 R)
• M16: 6,248,853 km (0.088 R)
• M17: 6,508,255 km (0.107 R)
• M18: 9,271,178 km (0.119 R)
• M19: 10,776,283 km (0.09 R)
• M20: 11,257,838 km (0.072 R)
• M21: 13,026,833 km (0.106 R)
• M22: 14,582,052 km (0.084 R)
• M23: 15,572,540 km (0.036 R)
• M24: 16,677,470 km (0.088 R)
• M25: 20,144,400 km (0.085 R)
• M26: 23,703,633 km (0.109 R)
• M27: 25,163,110 km (0.089 R)
• M28: 28,259,636 km (0.111 R)
• M29: 28,969,328 km (0.099 R)
• M30: 30,108,516 km (0.042 R)
• M31: 31,384,885 km (0.049 R)
• M32: 31,818,270 km (0.113 R)
• M33: 35,080,401 km (0.093 R)
• M34: 36,373,825 km (0.055 R)
• M35: 41,345,710 km (0.069 R)
• M36: 45,773,807 km (0.099 R)
• M37: 46,471,083 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 7.6

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.22 AU - 7.7 AU

Year: 12245 Days

Day: 21 Hours

Environment

Temp: -237 °C

Axial Tilt: 119.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,292,700 km

• M1: 94,546 km (0.11 R)
• M2: 331,808 km (0.098 R)
• M3: 657,034 km (0.106 R)
• M4: 1,028,635 km (0.053 R)
• M5: 1,376,001 km (0.093 R)
• M6: 1,635,254 km (0.042 R)
• M7: 2,459,838 km (0.114 R)
• M8: 5,376,248 km (0.068 R)
• M9: 5,851,072 km (0.083 R)
• M10: 6,923,240 km (0.102 R)
• M11: 7,444,140 km (0.101 R)
• M12: 7,947,985 km (0.084 R)
• M13: 10,397,650 km (0.104 R)
• M14: 12,594,794 km (0.07 R)
• M15: 13,068,720 km (0.106 R)
• M16: 13,492,980 km (0.116 R)
• M17: 15,282,918 km (0.041 R)
• M18: 17,010,026 km (0.101 R)
• M19: 20,847,062 km (0.048 R)
• M20: 23,406,382 km (0.058 R)
• M21: 24,853,442 km (0.074 R)
• M22: 26,939,435 km (0.097 R)
• M23: 32,881,462 km (0.082 R)
• M24: 35,390,817 km (0.065 R)
• M25: 41,173,822 km (0.114 R)
• M26: 42,480,559 km (0.095 R)
• M27: 42,878,041 km (0.093 R)
• M28: 46,146,754 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578

Radius: 4.3

Gravity: 31.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.57 AU - 12.11 AU

Year: 20584 Days

Day: 17.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,292,700 km

• M1: 54,902 km (0.114 R)
• M2: 761,304 km (0.117 R)
• M3: 1,028,485 km (0.117 R)
• M4: 1,972,149 km (0.119 R)
• M5: 2,498,733 km (0.072 R)
• M6: 3,357,874 km (0.06 R)
• M7: 3,703,445 km (0.107 R)
• M8: 3,884,907 km (0.051 R)
• M9: 4,200,559 km (0.05 R)
• M10: 4,431,388 km (0.092 R)
• M11: 4,636,038 km (0.083 R)
• M12: 6,292,236 km (0.077 R)
• M13: 8,305,973 km (0.079 R)
• M14: 11,205,928 km (0.119 R)
• M15: 12,106,208 km (0.09 R)
• M16: 13,616,847 km (0.108 R)
• M17: 15,171,917 km (0.083 R)
• M18: 15,637,017 km (0.108 R)
• M19: 18,106,279 km (0.051 R)
• M20: 19,073,280 km (0.097 R)
• M21: 20,259,740 km (0.064 R)
• M22: 23,904,543 km (0.117 R)
• M23: 24,640,116 km (0.076 R)
• M24: 30,337,401 km (0.07 R)
• M25: 30,951,201 km (0.067 R)
• M26: 33,881,973 km (0.106 R)
• M27: 34,542,597 km (0.074 R)
• M28: 36,026,309 km (0.078 R)
• M29: 46,313,406 km (0.115 R)
• M30: 48,950,069 km (0.115 R)
• M31: 52,208,759 km (0.099 R)
• M32: 54,881,325 km (0.107 R)
• M33: 55,975,484 km (0.051 R)
• M34: 59,344,877 km (0.101 R)
• M35: 68,985,712 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 11,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit