🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 12.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.67 AU - 0.77 AU

Year: 401 Days

Day: 7.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,913,620 km

• M1: 155,432 km (0.066 R)
• M2: 573,109 km (0.117 R)
• M3: 1,142,479 km (0.078 R)
• M4: 1,668,615 km (0.066 R)
• M5: 2,225,867 km (0.111 R)
• M6: 2,886,341 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 10.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.17 AU - 1.21 AU

Year: 852 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,913,620 km

• M1: 135,685 km (0.067 R)
• M2: 485,445 km (0.075 R)
• M3: 1,863,541 km (0.039 R)
• M4: 2,576,823 km (0.106 R)
• M5: 3,714,665 km (0.03 R)
• M6: 4,514,565 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.9

Radius: 11.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.15 AU - 1.31 AU

Year: 895 Days

Day: 12.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,913,620 km

• M1: 138,528 km (0.072 R)
• M2: 553,363 km (0.084 R)
• M3: 907,760 km (0.051 R)
• M4: 1,697,487 km (0.107 R)
• M5: 2,076,718 km (0.11 R)
• M6: 2,468,963 km (0.056 R)
• M7: 2,886,192 km (0.039 R)
• M8: 5,307,284 km (0.118 R)
• M9: 6,615,966 km (0.087 R)
• M10: 6,991,157 km (0.102 R)
• M11: 8,380,473 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 11.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.33 AU - 5.03 AU

Year: 5606 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,913,620 km

• M1: 148,850 km (0.084 R)
• M2: 540,796 km (0.045 R)
• M3: 921,224 km (0.089 R)
• M4: 1,395,599 km (0.082 R)
• M5: 2,568,296 km (0.078 R)
• M6: 3,548,312 km (0.11 R)
• M7: 6,042,856 km (0.105 R)
• M8: 8,286,675 km (0.116 R)
• M9: 8,862,776 km (0.073 R)
• M10: 9,304,240 km (0.064 R)
• M11: 10,061,504 km (0.071 R)
• M12: 11,438,702 km (0.076 R)
• M13: 13,058,548 km (0.107 R)
• M14: 13,548,331 km (0.059 R)
• M15: 14,007,896 km (0.066 R)
• M16: 14,521,166 km (0.091 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.2

Radius: 3.3

Gravity: 51.9 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.51 AU - 6.39 AU

Year: 9521 Days

Day: 19.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,913,620 km

• M1: 46,525 km (0.118 R)
• M2: 150,346 km (0.074 R)
• M3: 277,953 km (0.102 R)
• M4: 443,558 km (0.075 R)
• M5: 995,275 km (0.112 R)
• M6: 1,203,066 km (0.1 R)
• M7: 1,704,668 km (0.053 R)
• M8: 1,920,837 km (0.064 R)
• M9: 2,120,251 km (0.08 R)
• M10: 2,426,328 km (0.115 R)
• M11: 2,659,551 km (0.06 R)
• M12: 3,261,533 km (0.115 R)
• M13: 4,611,953 km (0.092 R)
• M14: 5,706,112 km (0.117 R)
• M15: 6,224,019 km (0.111 R)
• M16: 8,261,991 km (0.092 R)
• M17: 9,572,020 km (0.107 R)
• M18: 11,118,862 km (0.059 R)
• M19: 11,543,420 km (0.083 R)
• M20: 13,056,603 km (0.088 R)
• M21: 13,173,738 km (0.076 R)
• M22: 14,951,110 km (0.105 R)
• M23: 16,063,969 km (0.093 R)
• M24: 16,951,384 km (0.084 R)
• M25: 18,233,437 km (0.096 R)
• M26: 19,963,686 km (0.114 R)
• M27: 21,229,883 km (0.12 R)
• M28: 23,314,080 km (0.109 R)
• M29: 24,627,699 km (0.054 R)
• M30: 31,519,523 km (0.089 R)
• M31: 31,730,307 km (0.045 R)
• M32: 35,006,051 km (0.098 R)
• M33: 39,591,824 km (0.029 R)
• M34: 41,205,088 km (0.098 R)
• M35: 42,603,978 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.1

Radius: 7.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.33 AU - 7.03 AU

Year: 10078 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,913,620 km

• M1: 89,908 km (0.092 R)
• M2: 479,162 km (0.046 R)
• M3: 1,513,182 km (0.039 R)
• M4: 2,191,908 km (0.079 R)
• M5: 3,057,780 km (0.11 R)
• M6: 5,021,402 km (0.068 R)
• M7: 7,039,029 km (0.118 R)
• M8: 7,979,401 km (0.042 R)
• M9: 10,025,301 km (0.099 R)
• M10: 10,821,461 km (0.11 R)
• M11: 17,494,723 km (0.104 R)
• M12: 18,338,754 km (0.082 R)
• M13: 22,056,560 km (0.074 R)
• M14: 24,275,546 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.1

Radius: 3.4

Gravity: 52.95 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.96 AU - 6.94 AU

Year: 10746 Days

Day: 16.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,913,620 km

• M1: 42,785 km (0.078 R)
• M2: 259,702 km (0.064 R)
• M3: 1,174,343 km (0.111 R)
• M4: 1,348,924 km (0.086 R)
• M5: 1,554,920 km (0.037 R)
• M6: 2,676,904 km (0.077 R)
• M7: 4,164,805 km (0.087 R)
• M8: 4,278,200 km (0.045 R)
• M9: 5,131,207 km (0.11 R)
• M10: 6,127,978 km (0.078 R)
• M11: 8,770,774 km (0.109 R)
• M12: 10,495,487 km (0.118 R)
• M13: 11,688,082 km (0.087 R)
• M14: 12,728,684 km (0.104 R)
• M15: 13,455,730 km (0.12 R)
• M16: 15,665,440 km (0.094 R)
• M17: 17,955,335 km (0.038 R)
• M18: 20,133,929 km (0.07 R)
• M19: 25,287,874 km (0.114 R)
• M20: 25,952,239 km (0.094 R)
• M21: 32,909,587 km (0.109 R)
• M22: 47,571,076 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.3

Radius: 5.1

Gravity: 35.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.25 AU - 8.65 AU

Year: 12020 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,913,620 km

• M1: 63,429 km (0.084 R)
• M2: 327,619 km (0.053 R)
• M3: 557,102 km (0.051 R)
• M4: 792,270 km (0.085 R)
• M5: 1,178,083 km (0.094 R)
• M6: 1,378,395 km (0.073 R)
• M7: 1,601,146 km (0.101 R)
• M8: 2,216,143 km (0.054 R)
• M9: 3,350,244 km (0.062 R)
• M10: 3,644,055 km (0.12 R)
• M11: 4,661,769 km (0.101 R)
• M12: 6,124,986 km (0.11 R)
• M13: 7,153,920 km (0.085 R)
• M14: 9,236,023 km (0.044 R)
• M15: 14,687,519 km (0.051 R)
• M16: 15,184,483 km (0.08 R)
• M17: 16,362,267 km (0.062 R)
• M18: 16,589,656 km (0.106 R)
• M19: 17,520,454 km (0.111 R)
• M20: 19,232,452 km (0.095 R)
• M21: 23,270,098 km (0.119 R)
• M22: 23,750,906 km (0.12 R)
• M23: 25,536,656 km (0.066 R)
• M24: 25,945,357 km (0.075 R)
• M25: 28,162,547 km (0.109 R)
• M26: 29,484,693 km (0.119 R)
• M27: 40,606,248 km (0.063 R)
• M28: 41,162,901 km (0.095 R)
• M29: 44,022,764 km (0.06 R)
• M30: 45,054,092 km (0.038 R)
• M31: 45,800,585 km (0.046 R)
• M32: 48,089,582 km (0.107 R)
• M33: 50,293,757 km (0.095 R)
• M34: 52,564,353 km (0.114 R)
• M35: 54,395,581 km (0.108 R)
• M36: 54,733,074 km (0.062 R)
• M37: 58,361,121 km (0.075 R)
• M38: 59,426,557 km (0.117 R)
• M39: 59,963,913 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.4

Radius: 7.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.88 AU - 8.56 AU

Year: 15460 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,913,620 km

• M1: 98,585 km (0.079 R)
• M2: 622,926 km (0.071 R)
• M3: 1,170,753 km (0.101 R)
• M4: 4,734,025 km (0.075 R)
• M5: 5,733,488 km (0.109 R)
• M6: 9,235,125 km (0.113 R)
• M7: 22,725,712 km (0.082 R)
• M8: 23,074,724 km (0.077 R)
• M9: 26,764,106 km (0.086 R)
• M10: 28,444,689 km (0.051 R)
• M11: 37,304,922 km (0.099 R)
• M12: 41,700,107 km (0.091 R)
• M13: 42,883,576 km (0.106 R)
• M14: 46,428,447 km (0.068 R)
• M15: 47,131,856 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.9

Radius: 7.4

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.04 AU - 10.1 AU

Year: 19421 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,913,620 km

• M1: 99,183 km (0.098 R)
• M2: 448,345 km (0.113 R)
• M3: 846,425 km (0.076 R)
• M4: 1,125,275 km (0.083 R)
• M5: 1,967,960 km (0.116 R)
• M6: 2,443,681 km (0.09 R)
• M7: 2,993,453 km (0.101 R)
• M8: 4,404,012 km (0.108 R)
• M9: 6,252,742 km (0.091 R)
• M10: 12,508,626 km (0.114 R)
• M11: 15,330,640 km (0.036 R)
• M12: 21,703,659 km (0.116 R)
• M13: 23,406,382 km (0.048 R)
• M14: 24,028,111 km (0.055 R)
• M15: 24,660,760 km (0.117 R)
• M16: 27,075,719 km (0.066 R)
• M17: 62,787,124 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 20,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit