🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 11.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 5.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,451,904 km

• M1: 140,472 km (0.055 R)
• M2: 584,329 km (0.099 R)
• M3: 1,015,470 km (0.076 R)
• M4: 1,547,291 km (0.112 R)
• M5: 1,960,929 km (0.116 R)
• M6: 2,526,858 km (0.116 R)
• M7: 3,106,998 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 9.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.29 AU - 1.45 AU

Year: 1107 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,451,904 km

• M1: 118,631 km (0.068 R)
• M2: 538,104 km (0.082 R)
• M3: 1,165,367 km (0.078 R)
• M4: 1,706,613 km (0.071 R)
• M5: 2,188,766 km (0.092 R)
• M6: 2,814,385 km (0.094 R)
• M7: 3,364,606 km (0.087 R)
• M8: 4,998,962 km (0.074 R)
• M9: 5,681,578 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.8

Radius: 10.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.26 AU - 1.7 AU

Year: 1243 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,451,904 km

• M1: 135,536 km (0.072 R)
• M2: 579,243 km (0.079 R)
• M3: 1,168,808 km (0.039 R)
• M4: 2,058,616 km (0.089 R)
• M5: 2,662,693 km (0.1 R)
• M6: 3,041,175 km (0.056 R)
• M7: 3,515,849 km (0.077 R)
• M8: 4,434,679 km (0.037 R)
• M9: 4,950,792 km (0.093 R)
• M10: 5,404,373 km (0.12 R)
• M11: 5,842,694 km (0.06 R)
• M12: 6,237,184 km (0.104 R)
• M13: 6,743,423 km (0.078 R)
• M14: 7,128,787 km (0.104 R)
• M15: 7,579,825 km (0.106 R)
• M16: 9,789,086 km (0.109 R)
• M17: 10,190,009 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 10

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.91 AU - 2.13 AU

Year: 1982 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,451,904 km

• M1: 124,615 km (0.117 R)
• M2: 501,003 km (0.092 R)
• M3: 1,079,199 km (0.082 R)
• M4: 1,404,275 km (0.065 R)
• M5: 1,938,190 km (0.063 R)
• M6: 2,387,732 km (0.059 R)
• M7: 2,876,318 km (0.088 R)
• M8: 3,200,646 km (0.097 R)
• M9: 3,532,305 km (0.072 R)
• M10: 4,901,125 km (0.076 R)
• M11: 5,253,129 km (0.085 R)
• M12: 6,008,449 km (0.108 R)
• M13: 9,496,024 km (0.051 R)
• M14: 10,871,427 km (0.084 R)
• M15: 15,649,284 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 13.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.91 AU - 4.81 AU

Year: 5235 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,451,904 km

• M1: 176,974 km (0.115 R)
• M2: 717,322 km (0.117 R)
• M3: 1,407,267 km (0.075 R)
• M4: 2,001,919 km (0.118 R)
• M5: 3,754,009 km (0.095 R)
• M6: 5,713,891 km (0.051 R)
• M7: 7,320,572 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.6 AU - 5.1 AU

Year: 6262 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,451,904 km

• M1: 166,652 km (0.077 R)
• M2: 897,438 km (0.096 R)
• M3: 2,425,131 km (0.118 R)
• M4: 3,138,863 km (0.097 R)
• M5: 3,697,760 km (0.083 R)
• M6: 4,192,032 km (0.088 R)
• M7: 4,786,833 km (0.071 R)
• M8: 5,562,049 km (0.043 R)
• M9: 8,819,842 km (0.075 R)
• M10: 9,571,272 km (0.099 R)
• M11: 10,269,445 km (0.086 R)
• M12: 11,559,727 km (0.101 R)
• M13: 12,190,581 km (0.074 R)
• M14: 14,222,120 km (0.082 R)
• M15: 15,951,471 km (0.114 R)
• M16: 17,269,877 km (0.097 R)
• M17: 17,955,634 km (0.075 R)
• M18: 21,114,094 km (0.079 R)
• M19: 24,369,044 km (0.111 R)
• M20: 25,671,443 km (0.113 R)
• M21: 33,307,517 km (0.113 R)
• M22: 33,942,859 km (0.114 R)
• M23: 35,566,445 km (0.081 R)
• M24: 38,734,778 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 10.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.4 AU - 5.24 AU

Year: 7304 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,451,904 km

• M1: 134,339 km (0.118 R)
• M2: 686,654 km (0.047 R)
• M3: 1,674,449 km (0.093 R)
• M4: 2,508,756 km (0.095 R)
• M5: 3,020,231 km (0.105 R)
• M6: 4,306,624 km (0.096 R)
• M7: 6,164,479 km (0.083 R)
• M8: 6,987,268 km (0.091 R)
• M9: 7,641,310 km (0.099 R)
• M10: 8,210,230 km (0.114 R)
• M11: 9,341,639 km (0.065 R)
• M12: 9,709,949 km (0.032 R)
• M13: 10,723,026 km (0.11 R)
• M14: 13,592,014 km (0.104 R)
• M15: 14,185,618 km (0.06 R)
• M16: 15,552,643 km (0.063 R)
• M17: 17,005,388 km (0.107 R)
• M18: 19,425,732 km (0.114 R)
• M19: 21,664,315 km (0.078 R)
• M20: 23,305,104 km (0.083 R)
• M21: 24,851,198 km (0.037 R)
• M22: 26,464,611 km (0.096 R)
• M23: 28,433,918 km (0.051 R)
• M24: 29,998,562 km (0.071 R)
• M25: 32,138,260 km (0.064 R)
• M26: 35,146,823 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 14.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5 AU - 5.8 AU

Year: 8662 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,451,904 km

• M1: 190,737 km (0.062 R)
• M2: 797,357 km (0.112 R)
• M3: 1,477,877 km (0.051 R)
• M4: 2,404,636 km (0.115 R)
• M5: 3,255,399 km (0.057 R)
• M6: 3,862,019 km (0.045 R)
• M7: 4,972,334 km (0.12 R)
• M8: 7,231,711 km (0.115 R)
• M9: 7,900,264 km (0.071 R)
• M10: 8,481,451 km (0.107 R)
• M11: 11,251,405 km (0.105 R)
• M12: 12,534,357 km (0.045 R)
• M13: 14,886,335 km (0.107 R)
• M14: 15,326,451 km (0.1 R)
• M15: 16,166,743 km (0.102 R)
• M16: 16,833,949 km (0.098 R)
• M17: 19,166,629 km (0.066 R)
• M18: 21,467,893 km (0.084 R)
• M19: 22,356,055 km (0.101 R)
• M20: 25,703,607 km (0.098 R)
• M21: 27,449,863 km (0.08 R)
• M22: 40,347,443 km (0.114 R)
• M23: 41,451,924 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 18,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit