🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 8.3

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.71 AU - 1.07 AU

Year: 580 Days

Day: 8.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,277,965 km

• M1: 103,223 km (0.115 R)
• M2: 422,016 km (0.102 R)
• M3: 1,061,546 km (0.108 R)
• M4: 1,323,642 km (0.085 R)
• M5: 1,872,517 km (0.117 R)
• M6: 2,350,482 km (0.048 R)
• M7: 2,633,521 km (0.082 R)
• M8: 3,046,411 km (0.105 R)
• M9: 3,976,162 km (0.082 R)
• M10: 4,283,436 km (0.05 R)
• M11: 4,563,633 km (0.067 R)
• M12: 4,841,137 km (0.087 R)
• M13: 5,160,977 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 8.6

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.62 AU - 2.6 AU

Year: 2116 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,277,965 km

• M1: 107,112 km (0.109 R)
• M2: 403,615 km (0.12 R)
• M3: 1,015,770 km (0.082 R)
• M4: 1,460,674 km (0.095 R)
• M5: 1,864,588 km (0.051 R)
• M6: 3,041,923 km (0.114 R)
• M7: 3,432,523 km (0.062 R)
• M8: 3,933,377 km (0.102 R)
• M9: 4,503,345 km (0.117 R)
• M10: 5,244,602 km (0.091 R)
• M11: 7,112,481 km (0.117 R)
• M12: 8,768,679 km (0.118 R)
• M13: 9,668,810 km (0.12 R)
• M14: 11,571,096 km (0.066 R)
• M15: 11,855,930 km (0.112 R)
• M16: 13,130,504 km (0.089 R)
• M17: 16,404,304 km (0.055 R)
• M18: 17,660,178 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 11.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.95 AU - 4.71 AU

Year: 6219 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,277,965 km

• M1: 141,071 km (0.09 R)
• M2: 568,771 km (0.066 R)
• M3: 1,018,612 km (0.081 R)
• M4: 1,471,445 km (0.11 R)
• M5: 2,307,547 km (0.08 R)
• M6: 2,685,132 km (0.113 R)
• M7: 3,372,385 km (0.061 R)
• M8: 3,723,790 km (0.086 R)
• M9: 4,579,490 km (0.078 R)
• M10: 5,124,774 km (0.107 R)
• M11: 6,713,055 km (0.077 R)
• M12: 11,264,121 km (0.116 R)
• M13: 13,806,088 km (0.108 R)
• M14: 14,829,188 km (0.083 R)
• M15: 15,359,363 km (0.111 R)
• M16: 17,738,568 km (0.095 R)
• M17: 20,643,010 km (0.096 R)
• M18: 21,753,026 km (0.035 R)
• M19: 24,091,839 km (0.096 R)
• M20: 25,572,858 km (0.109 R)
• M21: 33,899,625 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 15

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.1 AU - 5.64 AU

Year: 7418 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,277,965 km

• M1: 259,852 km (0.106 R)
• M2: 727,943 km (0.073 R)
• M3: 2,417,352 km (0.099 R)
• M4: 3,456,160 km (0.076 R)
• M5: 6,156,252 km (0.119 R)
• M6: 6,871,778 km (0.095 R)
• M7: 8,011,564 km (0.118 R)
• M8: 9,780,260 km (0.082 R)
• M9: 11,316,032 km (0.032 R)
• M10: 14,635,758 km (0.114 R)
• M11: 21,702,462 km (0.037 R)
• M12: 24,382,658 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.5

Radius: 5.3

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.46 AU - 7.98 AU

Year: 14806 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,277,965 km

• M1: 75,098 km (0.102 R)
• M2: 263,891 km (0.067 R)
• M3: 662,419 km (0.048 R)
• M4: 929,302 km (0.11 R)
• M5: 1,928,017 km (0.092 R)
• M6: 2,276,431 km (0.11 R)
• M7: 4,015,506 km (0.038 R)
• M8: 4,520,997 km (0.088 R)
• M9: 5,988,253 km (0.086 R)
• M10: 6,849,787 km (0.09 R)
• M11: 7,140,456 km (0.05 R)
• M12: 7,971,173 km (0.036 R)
• M13: 9,360,339 km (0.115 R)
• M14: 10,626,236 km (0.075 R)
• M15: 11,706,033 km (0.06 R)
• M16: 12,485,887 km (0.072 R)
• M17: 13,363,727 km (0.044 R)
• M18: 14,484,066 km (0.051 R)
• M19: 17,364,722 km (0.049 R)
• M20: 19,020,023 km (0.078 R)
• M21: 19,264,765 km (0.086 R)
• M22: 19,594,329 km (0.071 R)
• M23: 22,458,380 km (0.101 R)
• M24: 22,640,441 km (0.078 R)
• M25: 27,622,648 km (0.074 R)
• M26: 28,041,822 km (0.114 R)
• M27: 36,329,245 km (0.088 R)
• M28: 36,580,120 km (0.106 R)
• M29: 37,467,684 km (0.105 R)
• M30: 39,417,543 km (0.097 R)
• M31: 42,398,131 km (0.071 R)
• M32: 45,235,105 km (0.115 R)
• M33: 49,415,917 km (0.105 R)
• M34: 54,336,789 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.7

Radius: 4.7

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.65 AU - 11.41 AU

Year: 20307 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,277,965 km

• M1: 61,036 km (0.112 R)
• M2: 234,869 km (0.086 R)
• M3: 419,472 km (0.115 R)
• M4: 718,519 km (0.118 R)
• M5: 961,615 km (0.096 R)
• M6: 1,283,251 km (0.079 R)
• M7: 1,912,908 km (0.067 R)
• M8: 2,727,917 km (0.096 R)
• M9: 3,060,324 km (0.06 R)
• M10: 3,700,004 km (0.107 R)
• M11: 3,886,403 km (0.082 R)
• M12: 4,543,736 km (0.078 R)
• M13: 6,526,058 km (0.044 R)
• M14: 6,878,061 km (0.108 R)
• M15: 8,690,140 km (0.119 R)
• M16: 9,806,290 km (0.12 R)
• M17: 10,009,743 km (0.063 R)
• M18: 11,682,995 km (0.04 R)
• M19: 13,223,255 km (0.105 R)
• M20: 13,977,677 km (0.085 R)
• M21: 16,990,129 km (0.043 R)
• M22: 17,210,038 km (0.111 R)
• M23: 24,258,791 km (0.098 R)
• M24: 24,818,586 km (0.087 R)
• M25: 26,158,384 km (0.084 R)
• M26: 33,014,305 km (0.099 R)
• M27: 33,242,292 km (0.111 R)
• M28: 33,932,836 km (0.054 R)
• M29: 36,668,532 km (0.075 R)
• M30: 41,769,969 km (0.118 R)
• M31: 48,491,701 km (0.06 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: 152 - 14,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit