🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.2

Radius: 9.5

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 15 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,753,585 km

• M1: 120,725 km (0.05 R)
• M2: 456,573 km (0.063 R)
• M3: 778,208 km (0.044 R)
• M4: 1,278,912 km (0.057 R)
• M5: 1,622,838 km (0.057 R)
• M6: 2,073,726 km (0.056 R)
• M7: 3,218,449 km (0.102 R)
• M8: 3,636,275 km (0.065 R)
• M9: 4,041,835 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 13.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.65 AU - 1.05 AU

Year: 523 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,753,585 km

• M1: 170,392 km (0.101 R)
• M2: 612,753 km (0.089 R)
• M3: 1,121,535 km (0.09 R)
• M4: 1,689,708 km (0.094 R)
• M5: 2,293,036 km (0.112 R)
• M6: 2,901,750 km (0.096 R)
• M7: 3,776,149 km (0.108 R)
• M8: 4,297,797 km (0.102 R)
• M9: 4,899,779 km (0.106 R)
• M10: 5,540,058 km (0.107 R)
• M11: 6,047,195 km (0.118 R)
• M12: 6,785,011 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 10

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.05 AU - 1.07 AU

Year: 728 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,753,585 km

• M1: 124,316 km (0.045 R)
• M2: 466,297 km (0.12 R)
• M3: 783,145 km (0.072 R)
• M4: 1,096,702 km (0.115 R)
• M5: 1,580,053 km (0.082 R)
• M6: 2,211,805 km (0.08 R)
• M7: 2,564,855 km (0.09 R)
• M8: 2,967,573 km (0.053 R)
• M9: 4,155,380 km (0.086 R)
• M10: 4,985,349 km (0.029 R)
• M11: 5,412,451 km (0.107 R)
• M12: 6,422,237 km (0.12 R)
• M13: 7,125,347 km (0.065 R)
• M14: 8,141,565 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.1

Radius: 8.5

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.53 AU - 1.77 AU

Year: 1413 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,753,585 km

• M1: 105,766 km (0.094 R)
• M2: 468,989 km (0.108 R)
• M3: 749,485 km (0.109 R)
• M4: 1,031,777 km (0.053 R)
• M5: 2,644,292 km (0.059 R)
• M6: 3,177,459 km (0.104 R)
• M7: 3,763,134 km (0.116 R)
• M8: 5,343,337 km (0.092 R)
• M9: 6,219,681 km (0.089 R)
• M10: 6,641,547 km (0.113 R)
• M11: 7,625,602 km (0.092 R)
• M12: 9,168,853 km (0.117 R)
• M13: 9,715,783 km (0.114 R)
• M14: 12,237,704 km (0.037 R)
• M15: 13,220,861 km (0.088 R)
• M16: 13,918,885 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 14

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.35 AU - 2.51 AU

Year: 2526 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,753,585 km

• M1: 174,282 km (0.081 R)
• M2: 626,815 km (0.116 R)
• M3: 1,129,614 km (0.116 R)
• M4: 1,766,003 km (0.117 R)
• M5: 2,769,057 km (0.055 R)
• M6: 3,313,144 km (0.082 R)
• M7: 3,871,144 km (0.099 R)
• M8: 5,062,841 km (0.097 R)
• M9: 6,218,933 km (0.115 R)
• M10: 7,394,922 km (0.113 R)
• M11: 8,004,832 km (0.103 R)
• M12: 8,881,326 km (0.073 R)
• M13: 9,965,612 km (0.106 R)
• M14: 11,097,320 km (0.082 R)
• M15: 11,734,906 km (0.096 R)
• M16: 12,229,177 km (0.117 R)
• M17: 14,253,984 km (0.117 R)
• M18: 15,689,675 km (0.088 R)
• M19: 16,189,182 km (0.093 R)
• M20: 16,647,700 km (0.108 R)
• M21: 17,967,003 km (0.104 R)
• M22: 18,403,680 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 8.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.33 AU - 4.17 AU

Year: 4843 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,753,585 km

• M1: 105,766 km (0.058 R)
• M2: 530,773 km (0.113 R)
• M3: 832,363 km (0.089 R)
• M4: 1,331,870 km (0.067 R)
• M5: 2,250,999 km (0.083 R)
• M6: 3,634,929 km (0.085 R)
• M7: 3,921,409 km (0.047 R)
• M8: 4,202,503 km (0.103 R)
• M9: 5,867,677 km (0.113 R)
• M10: 6,371,822 km (0.087 R)
• M11: 8,682,511 km (0.052 R)
• M12: 9,373,055 km (0.088 R)
• M13: 10,863,049 km (0.112 R)
• M14: 11,299,127 km (0.063 R)
• M15: 13,429,999 km (0.056 R)
• M16: 13,794,270 km (0.09 R)
• M17: 19,034,534 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 10.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.75 AU - 3.79 AU

Year: 4881 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,753,585 km

• M1: 134,339 km (0.058 R)
• M2: 629,957 km (0.071 R)
• M3: 1,258,567 km (0.112 R)
• M4: 3,386,148 km (0.059 R)
• M5: 4,286,428 km (0.096 R)
• M6: 6,399,049 km (0.081 R)
• M7: 7,213,759 km (0.12 R)
• M8: 8,023,083 km (0.079 R)
• M9: 8,970,337 km (0.079 R)
• M10: 10,727,364 km (0.089 R)
• M11: 12,019,291 km (0.111 R)
• M12: 13,309,274 km (0.094 R)
• M13: 14,041,107 km (0.109 R)
• M14: 15,814,440 km (0.07 R)
• M15: 17,484,550 km (0.061 R)
• M16: 20,616,382 km (0.078 R)
• M17: 26,718,180 km (0.068 R)
• M18: 28,051,246 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.5

Radius: 3.4

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.01 AU - 10.15 AU

Year: 18246 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,753,585 km

• M1: 140,622 km (0.112 R)
• M2: 741,856 km (0.117 R)
• M3: 864,975 km (0.072 R)
• M4: 1,319,453 km (0.073 R)
• M5: 1,515,277 km (0.098 R)
• M6: 1,627,475 km (0.115 R)
• M7: 5,408,412 km (0.038 R)
• M8: 6,549,844 km (0.111 R)
• M9: 7,842,668 km (0.064 R)
• M10: 8,615,042 km (0.09 R)
• M11: 8,793,363 km (0.103 R)
• M12: 10,409,618 km (0.032 R)
• M13: 11,881,063 km (0.117 R)
• M14: 12,382,066 km (0.119 R)
• M15: 12,495,162 km (0.097 R)
• M16: 13,725,904 km (0.102 R)
• M17: 22,929,763 km (0.078 R)
• M18: 23,272,193 km (0.109 R)
• M19: 31,379,649 km (0.107 R)
• M20: 35,088,480 km (0.093 R)
• M21: 36,001,625 km (0.104 R)
• M22: 37,165,347 km (0.064 R)
• M23: 38,233,775 km (0.101 R)
• M24: 40,556,581 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 18,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit