🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.9

Radius: 14.1

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.58 AU - 0.82 AU

Year: 372 Days

Day: 6.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 58,797,876 km

• M1: 179,667 km (0.104 R)
• M2: 846,874 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 14.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.86 AU - 0.9 AU

Year: 525 Days

Day: 9.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,797,876 km

• M1: 185,352 km (0.105 R)
• M2: 660,774 km (0.073 R)
• M3: 1,149,809 km (0.061 R)
• M4: 2,124,290 km (0.065 R)
• M5: 3,003,925 km (0.089 R)
• M6: 3,587,207 km (0.069 R)
• M7: 4,422,711 km (0.064 R)
• M8: 5,016,765 km (0.079 R)
• M9: 5,681,727 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 8.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.54 AU - 1.56 AU

Year: 1227 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,797,876 km

• M1: 104,719 km (0.104 R)
• M2: 381,325 km (0.043 R)
• M3: 699,220 km (0.036 R)
• M4: 1,103,135 km (0.117 R)
• M5: 1,720,525 km (0.026 R)
• M6: 2,458,342 km (0.064 R)
• M7: 2,787,008 km (0.09 R)
• M8: 3,266,918 km (0.032 R)
• M9: 3,897,773 km (0.076 R)
• M10: 4,242,446 km (0.037 R)
• M11: 4,765,440 km (0.114 R)
• M12: 5,487,848 km (0.106 R)
• M13: 6,281,166 km (0.108 R)
• M14: 7,023,321 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 14

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.42 AU - 1.84 AU

Year: 1323 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,797,876 km

• M1: 174,132 km (0.102 R)
• M2: 762,052 km (0.085 R)
• M3: 1,204,712 km (0.064 R)
• M4: 1,669,512 km (0.085 R)
• M5: 2,640,552 km (0.098 R)
• M6: 3,277,390 km (0.056 R)
• M7: 4,692,586 km (0.062 R)
• M8: 6,540,419 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 13.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.56 AU - 1.88 AU

Year: 1434 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,797,876 km

• M1: 171,738 km (0.119 R)
• M2: 695,181 km (0.098 R)
• M3: 1,127,519 km (0.091 R)
• M4: 1,624,932 km (0.092 R)
• M5: 2,234,992 km (0.113 R)
• M6: 2,715,201 km (0.11 R)
• M7: 3,234,007 km (0.103 R)
• M8: 3,716,759 km (0.102 R)
• M9: 4,435,726 km (0.118 R)
• M10: 6,568,843 km (0.047 R)
• M11: 7,622,909 km (0.06 R)
• M12: 8,278,297 km (0.058 R)
• M13: 9,126,816 km (0.094 R)
• M14: 9,669,707 km (0.03 R)
• M15: 10,301,908 km (0.098 R)
• M16: 12,951,884 km (0.084 R)
• M17: 13,515,719 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 8.1

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.6 AU - 2.66 AU

Year: 1977 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,797,876 km

• M1: 100,829 km (0.1 R)
• M2: 376,089 km (0.097 R)
• M3: 664,963 km (0.112 R)
• M4: 929,152 km (0.107 R)
• M5: 1,264,850 km (0.043 R)
• M6: 1,526,197 km (0.107 R)
• M7: 2,084,946 km (0.08 R)
• M8: 2,943,637 km (0.1 R)
• M9: 4,059,189 km (0.12 R)
• M10: 4,636,636 km (0.091 R)
• M11: 4,967,846 km (0.08 R)
• M12: 5,338,550 km (0.115 R)
• M13: 6,109,278 km (0.038 R)
• M14: 7,124,000 km (0.107 R)
• M15: 7,446,384 km (0.06 R)
• M16: 7,839,826 km (0.12 R)
• M17: 9,035,861 km (0.078 R)
• M18: 10,536,178 km (0.119 R)
• M19: 10,993,648 km (0.11 R)
• M20: 11,504,226 km (0.069 R)
• M21: 12,030,362 km (0.113 R)
• M22: 12,828,317 km (0.114 R)
• M23: 13,571,668 km (0.111 R)
• M24: 14,159,139 km (0.036 R)
• M25: 14,575,769 km (0.111 R)
• M26: 18,100,594 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.4

Radius: 11

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.73 AU - 2.88 AU

Year: 2218 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,797,876 km

• M1: 137,032 km (0.106 R)
• M2: 639,830 km (0.064 R)
• M3: 1,111,363 km (0.03 R)
• M4: 1,493,286 km (0.08 R)
• M5: 2,012,391 km (0.118 R)
• M6: 2,634,718 km (0.113 R)
• M7: 3,901,662 km (0.082 R)
• M8: 4,410,744 km (0.066 R)
• M9: 4,781,746 km (0.103 R)
• M10: 5,365,627 km (0.082 R)
• M11: 5,789,438 km (0.117 R)
• M12: 6,761,225 km (0.118 R)
• M13: 7,256,394 km (0.065 R)
• M14: 7,713,266 km (0.117 R)
• M15: 8,517,504 km (0.043 R)
• M16: 10,142,287 km (0.109 R)
• M17: 13,581,243 km (0.096 R)
• M18: 14,229,450 km (0.105 R)
• M19: 16,349,850 km (0.082 R)
• M20: 17,404,665 km (0.104 R)
• M21: 18,448,110 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 13.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.03 AU - 3.41 AU

Year: 3674 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,797,876 km

• M1: 169,644 km (0.107 R)
• M2: 725,250 km (0.096 R)
• M3: 1,195,137 km (0.091 R)
• M4: 2,090,630 km (0.119 R)
• M5: 2,845,202 km (0.111 R)
• M6: 4,367,959 km (0.059 R)
• M7: 5,233,532 km (0.098 R)
• M8: 5,902,982 km (0.034 R)
• M9: 7,225,428 km (0.076 R)
• M10: 8,056,893 km (0.104 R)
• M11: 8,615,940 km (0.11 R)
• M12: 9,263,848 km (0.114 R)
• M13: 10,010,491 km (0.034 R)
• M14: 10,726,915 km (0.117 R)
• M15: 11,368,092 km (0.103 R)
• M16: 13,043,438 km (0.072 R)
• M17: 13,691,796 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.9

Radius: 15

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.86 AU - 5.68 AU

Year: 7692 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,797,876 km

• M1: 186,549 km (0.116 R)
• M2: 659,727 km (0.089 R)
• M3: 1,548,936 km (0.057 R)
• M4: 2,088,536 km (0.115 R)
• M5: 3,430,130 km (0.1 R)
• M6: 4,976,523 km (0.111 R)
• M7: 5,464,661 km (0.026 R)
• M8: 11,037,480 km (0.111 R)
• M9: 11,573,490 km (0.098 R)
• M10: 12,540,341 km (0.104 R)
• M11: 18,000,364 km (0.12 R)
• M12: 18,607,582 km (0.076 R)
• M13: 19,649,980 km (0.086 R)
• M14: 21,473,578 km (0.094 R)
• M15: 22,698,485 km (0.115 R)
• M16: 27,620,255 km (0.082 R)
• M17: 29,905,213 km (0.056 R)
• M18: 31,529,397 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.3

Radius: 3.4

Gravity: 28.75 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.78 AU - 10.82 AU

Year: 19506 Days

Day: 16.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,797,876 km

• M1: 42,336 km (0.034 R)
• M2: 256,860 km (0.109 R)
• M3: 906,413 km (0.094 R)
• M4: 1,402,480 km (0.038 R)
• M5: 1,550,732 km (0.086 R)
• M6: 1,792,631 km (0.116 R)
• M7: 2,153,761 km (0.076 R)
• M8: 2,738,090 km (0.076 R)
• M9: 3,421,453 km (0.12 R)
• M10: 3,608,600 km (0.087 R)
• M11: 3,887,899 km (0.104 R)
• M12: 5,504,154 km (0.077 R)
• M13: 6,499,728 km (0.096 R)
• M14: 6,786,956 km (0.06 R)
• M15: 10,250,596 km (0.045 R)
• M16: 10,360,700 km (0.079 R)
• M17: 10,471,701 km (0.116 R)
• M18: 11,987,128 km (0.085 R)
• M19: 13,182,864 km (0.038 R)
• M20: 13,709,298 km (0.065 R)
• M21: 13,843,039 km (0.079 R)
• M22: 16,178,112 km (0.119 R)
• M23: 17,399,130 km (0.032 R)
• M24: 17,793,021 km (0.049 R)
• M25: 19,010,299 km (0.075 R)
• M26: 21,071,608 km (0.059 R)
• M27: 22,340,198 km (0.057 R)
• M28: 23,948,076 km (0.089 R)
• M29: 27,710,911 km (0.081 R)
• M30: 28,032,247 km (0.077 R)
• M31: 28,791,606 km (0.07 R)
• M32: 29,231,723 km (0.032 R)
• M33: 33,881,375 km (0.1 R)
• M34: 34,371,756 km (0.069 R)
• M35: 35,116,305 km (0.083 R)
• M36: 35,871,475 km (0.05 R)
• M37: 38,732,983 km (0.11 R)
• M38: 40,082,505 km (0.025 R)
• M39: 45,794,601 km (0.07 R)
• M40: 50,100,327 km (0.092 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: 206 - 17,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit