🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 14.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.15 AU - 1.39 AU

Year: 924 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,187,596 km

• M1: 186,249 km (0.047 R)
• M2: 716,125 km (0.088 R)
• M3: 1,209,349 km (0.096 R)
• M4: 1,686,716 km (0.118 R)
• M5: 2,271,793 km (0.086 R)
• M6: 2,764,419 km (0.098 R)
• M7: 3,371,188 km (0.097 R)
• M8: 4,196,669 km (0.111 R)
• M9: 4,947,501 km (0.115 R)
• M10: 5,684,270 km (0.115 R)
• M11: 6,143,685 km (0.044 R)
• M12: 6,787,255 km (0.091 R)
• M13: 7,900,712 km (0.119 R)
• M14: 8,663,213 km (0.062 R)
• M15: 9,416,887 km (0.093 R)
• M16: 10,244,163 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 12.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.52 AU - 1.86 AU

Year: 1419 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,187,596 km

• M1: 154,235 km (0.087 R)
• M2: 795,561 km (0.115 R)
• M3: 1,372,560 km (0.098 R)
• M4: 1,788,443 km (0.089 R)
• M5: 2,593,578 km (0.112 R)
• M6: 3,051,647 km (0.108 R)
• M7: 3,563,571 km (0.114 R)
• M8: 4,027,923 km (0.058 R)
• M9: 4,781,148 km (0.07 R)
• M10: 5,326,881 km (0.092 R)
• M11: 5,981,820 km (0.063 R)
• M12: 6,862,952 km (0.09 R)
• M13: 7,747,075 km (0.081 R)
• M14: 9,062,340 km (0.049 R)
• M15: 9,459,821 km (0.1 R)
• M16: 9,868,972 km (0.079 R)
• M17: 10,322,702 km (0.076 R)
• M18: 10,722,727 km (0.052 R)
• M19: 12,242,192 km (0.089 R)
• M20: 12,652,988 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 14.5

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.35 AU - 2.03 AU

Year: 1419 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,187,596 km

• M1: 180,265 km (0.111 R)
• M2: 659,128 km (0.115 R)
• M3: 1,330,374 km (0.044 R)
• M4: 2,054,876 km (0.093 R)
• M5: 2,552,439 km (0.08 R)
• M6: 3,274,548 km (0.106 R)
• M7: 3,780,787 km (0.117 R)
• M8: 4,233,769 km (0.112 R)
• M9: 5,170,252 km (0.055 R)
• M10: 6,636,910 km (0.117 R)
• M11: 7,124,748 km (0.109 R)
• M12: 7,741,540 km (0.106 R)
• M13: 8,200,058 km (0.098 R)
• M14: 8,965,550 km (0.097 R)
• M15: 9,965,462 km (0.104 R)
• M16: 11,241,682 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 10.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.93 AU - 2.11 AU

Year: 1854 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,187,596 km

• M1: 133,740 km (0.118 R)
• M2: 666,907 km (0.095 R)
• M3: 1,194,090 km (0.103 R)
• M4: 1,563,148 km (0.103 R)
• M5: 2,097,362 km (0.109 R)
• M6: 3,328,702 km (0.066 R)
• M7: 3,848,704 km (0.078 R)
• M8: 4,310,363 km (0.092 R)
• M9: 5,155,292 km (0.111 R)
• M10: 6,248,853 km (0.077 R)
• M11: 6,837,969 km (0.04 R)
• M12: 7,901,760 km (0.111 R)
• M13: 8,950,590 km (0.076 R)
• M14: 10,388,974 km (0.085 R)
• M15: 11,040,472 km (0.086 R)
• M16: 11,828,704 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 9.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.34 AU - 3.58 AU

Year: 4156 Days

Day: 6.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,187,596 km

• M1: 122,521 km (0.091 R)
• M2: 437,424 km (0.054 R)
• M3: 784,491 km (0.079 R)
• M4: 1,205,460 km (0.106 R)
• M5: 1,628,971 km (0.104 R)
• M6: 2,267,754 km (0.097 R)
• M7: 2,629,183 km (0.098 R)
• M8: 3,234,156 km (0.066 R)
• M9: 4,313,056 km (0.055 R)
• M10: 4,871,804 km (0.044 R)
• M11: 5,533,027 km (0.094 R)
• M12: 6,496,288 km (0.075 R)
• M13: 6,969,316 km (0.037 R)
• M14: 9,134,745 km (0.11 R)
• M15: 9,608,222 km (0.095 R)
• M16: 10,139,744 km (0.083 R)
• M17: 11,306,158 km (0.057 R)
• M18: 11,898,715 km (0.093 R)
• M19: 12,273,458 km (0.084 R)
• M20: 13,195,430 km (0.084 R)
• M21: 17,831,318 km (0.113 R)
• M22: 18,137,246 km (0.117 R)
• M23: 18,634,210 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.3

Radius: 9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.96 AU - 4.56 AU

Year: 5677 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,187,596 km

• M1: 111,899 km (0.083 R)
• M2: 440,267 km (0.069 R)
• M3: 1,147,565 km (0.113 R)
• M4: 2,026,453 km (0.075 R)
• M5: 2,753,498 km (0.046 R)
• M6: 3,626,103 km (0.118 R)
• M7: 4,388,154 km (0.115 R)
• M8: 5,675,145 km (0.104 R)
• M9: 7,227,672 km (0.078 R)
• M10: 8,101,772 km (0.105 R)
• M11: 9,652,055 km (0.073 R)
• M12: 10,750,402 km (0.1 R)
• M13: 11,637,667 km (0.105 R)
• M14: 11,972,018 km (0.074 R)
• M15: 13,058,847 km (0.11 R)
• M16: 14,352,719 km (0.118 R)
• M17: 14,640,695 km (0.119 R)
• M18: 18,916,651 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.8

Radius: 6.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.39 AU - 10.05 AU

Year: 15217 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,187,596 km

• M1: 82,129 km (0.03 R)
• M2: 387,758 km (0.112 R)
• M3: 606,320 km (0.033 R)
• M4: 1,515,127 km (0.106 R)
• M5: 2,066,246 km (0.034 R)
• M6: 2,342,703 km (0.051 R)
• M7: 2,604,798 km (0.094 R)
• M8: 3,143,650 km (0.113 R)
• M9: 3,680,108 km (0.095 R)
• M10: 7,118,914 km (0.059 R)
• M11: 7,630,838 km (0.06 R)
• M12: 7,957,709 km (0.077 R)
• M13: 9,593,113 km (0.092 R)
• M14: 10,022,459 km (0.114 R)
• M15: 11,493,604 km (0.106 R)
• M16: 11,707,230 km (0.051 R)
• M17: 12,308,314 km (0.108 R)
• M18: 14,983,573 km (0.112 R)
• M19: 15,561,619 km (0.065 R)
• M20: 18,023,103 km (0.115 R)
• M21: 20,497,003 km (0.116 R)
• M22: 21,855,800 km (0.088 R)
• M23: 22,599,002 km (0.062 R)
• M24: 23,961,540 km (0.036 R)
• M25: 25,378,082 km (0.102 R)
• M26: 35,970,808 km (0.11 R)
• M27: 40,107,937 km (0.046 R)
• M28: 42,481,457 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.1

Radius: 6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8 AU - 10.28 AU

Year: 17842 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,187,596 km

• M1: 81,531 km (0.087 R)
• M2: 526,734 km (0.08 R)
• M3: 1,210,546 km (0.112 R)
• M4: 1,752,988 km (0.104 R)
• M5: 2,502,473 km (0.065 R)
• M6: 2,822,164 km (0.063 R)
• M7: 3,168,932 km (0.083 R)
• M8: 4,269,822 km (0.079 R)
• M9: 5,605,283 km (0.096 R)
• M10: 7,080,318 km (0.033 R)
• M11: 9,300,948 km (0.119 R)
• M12: 12,225,288 km (0.106 R)
• M13: 20,431,628 km (0.1 R)
• M14: 22,727,956 km (0.093 R)
• M15: 26,111,860 km (0.095 R)
• M16: 30,329,173 km (0.092 R)
• M17: 35,548,643 km (0.04 R)
• M18: 36,589,545 km (0.087 R)
• M19: 41,209,725 km (0.087 R)
• M20: 43,135,499 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914

Radius: 6.8

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 10.31 AU - 11.87 AU

Year: 23846 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,187,596 km

• M1: 84,822 km (0.034 R)
• M2: 383,419 km (0.086 R)
• M3: 771,626 km (0.053 R)
• M4: 1,321,548 km (0.081 R)
• M5: 1,608,476 km (0.066 R)
• M6: 1,957,488 km (0.077 R)
• M7: 2,262,967 km (0.081 R)
• M8: 4,084,770 km (0.095 R)
• M9: 4,928,951 km (0.101 R)
• M10: 5,840,151 km (0.098 R)
• M11: 7,618,720 km (0.113 R)
• M12: 8,210,380 km (0.068 R)
• M13: 8,774,514 km (0.106 R)
• M14: 9,244,251 km (0.111 R)
• M15: 12,132,088 km (0.085 R)
• M16: 12,494,115 km (0.053 R)
• M17: 13,316,155 km (0.119 R)
• M18: 19,118,009 km (0.093 R)
• M19: 23,952,564 km (0.075 R)
• M20: 31,403,286 km (0.096 R)
• M21: 35,945,227 km (0.119 R)
• M22: 36,541,973 km (0.096 R)
• M23: 37,755,511 km (0.097 R)
• M24: 43,549,735 km (0.119 R)
• M25: 47,011,580 km (0.088 R)
• M26: 53,697,258 km (0.092 R)
• M27: 75,533,162 km (0.108 R)
• M28: 78,745,028 km (0.079 R)
• M29: 89,469,400 km (0.103 R)
• M30: 93,905,575 km (0.092 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: 188 - 18,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit