🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 13.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.6 AU - 0.98 AU

Year: 476 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,519,085 km

• M1: 163,062 km (0.104 R)
• M2: 619,036 km (0.096 R)
• M3: 1,279,511 km (0.089 R)
• M4: 1,719,777 km (0.096 R)
• M5: 2,152,115 km (0.087 R)
• M6: 2,756,191 km (0.068 R)
• M7: 3,471,867 km (0.091 R)
• M8: 3,899,717 km (0.102 R)
• M9: 4,335,645 km (0.095 R)
• M10: 5,497,572 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 9.4

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.6 AU - 1 AU

Year: 485 Days

Day: 9.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,519,085 km

• M1: 117,135 km (0.083 R)
• M2: 412,741 km (0.045 R)
• M3: 717,920 km (0.101 R)
• M4: 1,124,078 km (0.058 R)
• M5: 1,524,701 km (0.092 R)
• M6: 2,108,881 km (0.082 R)
• M7: 2,453,555 km (0.102 R)
• M8: 2,835,777 km (0.043 R)
• M9: 3,232,960 km (0.078 R)
• M10: 4,301,537 km (0.117 R)
• M11: 4,747,788 km (0.092 R)
• M12: 5,362,036 km (0.075 R)
• M13: 5,733,488 km (0.092 R)
• M14: 6,607,888 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 8.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.22 AU - 1.9 AU

Year: 1322 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,519,085 km

• M1: 107,112 km (0.064 R)
• M2: 419,024 km (0.087 R)
• M3: 891,454 km (0.082 R)
• M4: 1,497,923 km (0.115 R)
• M5: 1,920,238 km (0.066 R)
• M6: 2,666,582 km (0.052 R)
• M7: 3,017,239 km (0.033 R)
• M8: 4,485,393 km (0.097 R)
• M9: 4,859,687 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631

Radius: 12.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.84 AU - 2.04 AU

Year: 1833 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,519,085 km

• M1: 157,975 km (0.054 R)
• M2: 588,817 km (0.1 R)
• M3: 1,199,326 km (0.093 R)
• M4: 1,684,173 km (0.113 R)
• M5: 2,786,859 km (0.048 R)
• M6: 3,406,493 km (0.089 R)
• M7: 3,952,525 km (0.087 R)
• M8: 4,419,271 km (0.09 R)
• M9: 4,943,910 km (0.074 R)
• M10: 5,623,534 km (0.098 R)
• M11: 6,265,458 km (0.081 R)
• M12: 6,668,475 km (0.099 R)
• M13: 7,583,266 km (0.084 R)
• M14: 9,861,940 km (0.112 R)
• M15: 10,339,606 km (0.088 R)
• M16: 12,485,887 km (0.117 R)
• M17: 13,086,223 km (0.11 R)
• M18: 13,663,671 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 12.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.37 AU - 3.07 AU

Year: 3043 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,519,085 km

• M1: 155,432 km (0.104 R)
• M2: 797,656 km (0.091 R)
• M3: 1,189,901 km (0.092 R)
• M4: 2,310,689 km (0.073 R)
• M5: 2,939,299 km (0.086 R)
• M6: 4,716,522 km (0.117 R)
• M7: 5,422,324 km (0.078 R)
• M8: 6,269,348 km (0.111 R)
• M9: 7,772,208 km (0.079 R)
• M10: 8,668,000 km (0.086 R)
• M11: 9,599,247 km (0.063 R)
• M12: 10,391,367 km (0.11 R)
• M13: 11,660,705 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.3

Radius: 14.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.96 AU - 3.5 AU

Year: 3937 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,519,085 km

• M1: 198,217 km (0.069 R)
• M2: 744,997 km (0.108 R)
• M3: 1,241,962 km (0.117 R)
• M4: 1,693,897 km (0.116 R)
• M5: 2,302,610 km (0.077 R)
• M6: 3,221,441 km (0.087 R)
• M7: 3,904,056 km (0.063 R)
• M8: 4,396,233 km (0.025 R)
• M9: 5,265,396 km (0.089 R)
• M10: 6,828,245 km (0.078 R)
• M11: 7,280,031 km (0.072 R)
• M12: 7,925,097 km (0.068 R)
• M13: 9,606,427 km (0.071 R)
• M14: 11,026,709 km (0.083 R)
• M15: 12,920,768 km (0.086 R)
• M16: 15,513,748 km (0.097 R)
• M17: 17,285,884 km (0.057 R)
• M18: 18,067,982 km (0.029 R)
• M19: 21,025,981 km (0.114 R)
• M20: 21,502,899 km (0.043 R)
• M21: 23,410,272 km (0.111 R)
• M22: 23,996,546 km (0.118 R)
• M23: 26,282,700 km (0.087 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: 381 - 18,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit