🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.9

Radius: 12.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.66 AU - 0.9 AU

Year: 438 Days

Day: 11.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,143,821 km

• M1: 155,731 km (0.109 R)
• M2: 720,164 km (0.091 R)
• M3: 1,139,487 km (0.091 R)
• M4: 1,610,870 km (0.081 R)
• M5: 2,065,348 km (0.113 R)
• M6: 2,577,422 km (0.108 R)
• M7: 3,430,429 km (0.108 R)
• M8: 4,616,590 km (0.092 R)
• M9: 5,188,802 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.1

Radius: 14.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.59 AU - 0.99 AU

Year: 446 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,143,821 km

• M1: 179,069 km (0.104 R)
• M2: 642,373 km (0.086 R)
• M3: 1,140,235 km (0.1 R)
• M4: 1,643,333 km (0.104 R)
• M5: 2,442,036 km (0.099 R)
• M6: 4,068,164 km (0.108 R)
• M7: 4,860,734 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 8.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.63 AU - 0.99 AU

Year: 464 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,143,821 km

• M1: 106,962 km (0.075 R)
• M2: 464,651 km (0.09 R)
• M3: 1,263,653 km (0.049 R)
• M4: 2,199,388 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 8.1

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.87 AU - 1.35 AU

Year: 744 Days

Day: 10.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,143,821 km

• M1: 100,679 km (0.113 R)
• M2: 352,752 km (0.029 R)
• M3: 650,452 km (0.1 R)
• M4: 1,048,232 km (0.094 R)
• M5: 1,418,337 km (0.102 R)
• M6: 1,847,384 km (0.071 R)
• M7: 2,146,729 km (0.059 R)
• M8: 3,180,600 km (0.079 R)
• M9: 3,800,384 km (0.119 R)
• M10: 4,869,111 km (0.09 R)
• M11: 5,151,552 km (0.076 R)
• M12: 5,886,527 km (0.065 R)
• M13: 6,519,026 km (0.112 R)
• M14: 7,173,367 km (0.113 R)
• M15: 7,657,017 km (0.109 R)
• M16: 8,015,604 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 9.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.69 AU - 1.99 AU

Year: 1587 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,143,821 km

• M1: 132,544 km (0.095 R)
• M2: 425,307 km (0.077 R)
• M3: 749,336 km (0.117 R)
• M4: 1,137,243 km (0.047 R)
• M5: 1,455,138 km (0.093 R)
• M6: 1,770,042 km (0.079 R)
• M7: 2,233,795 km (0.052 R)
• M8: 2,887,837 km (0.049 R)
• M9: 3,226,228 km (0.082 R)
• M10: 4,590,560 km (0.109 R)
• M11: 6,219,681 km (0.026 R)
• M12: 7,412,275 km (0.119 R)
• M13: 7,899,815 km (0.113 R)
• M14: 9,129,958 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 13.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.38 AU - 3.2 AU

Year: 2963 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,143,821 km

• M1: 188,643 km (0.037 R)
• M2: 651,948 km (0.104 R)
• M3: 1,172,249 km (0.064 R)
• M4: 1,625,680 km (0.116 R)
• M5: 2,129,675 km (0.067 R)
• M6: 2,657,905 km (0.102 R)
• M7: 3,498,795 km (0.098 R)
• M8: 4,418,822 km (0.117 R)
• M9: 5,494,281 km (0.052 R)
• M10: 6,828,395 km (0.093 R)
• M11: 9,619,293 km (0.09 R)
• M12: 10,615,764 km (0.103 R)
• M13: 12,397,774 km (0.074 R)
• M14: 13,097,144 km (0.119 R)
• M15: 13,724,408 km (0.108 R)
• M16: 14,170,210 km (0.117 R)
• M17: 17,052,512 km (0.079 R)
• M18: 20,690,433 km (0.089 R)
• M19: 22,553,375 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.3

Radius: 10

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.42 AU - 5.46 AU

Year: 8067 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,143,821 km

• M1: 125,513 km (0.09 R)
• M2: 711,338 km (0.108 R)
• M3: 1,071,719 km (0.109 R)
• M4: 1,610,271 km (0.083 R)
• M5: 2,031,090 km (0.092 R)
• M6: 2,468,215 km (0.115 R)
• M7: 3,679,360 km (0.046 R)
• M8: 4,673,138 km (0.104 R)
• M9: 5,000,758 km (0.071 R)
• M10: 6,360,153 km (0.034 R)
• M11: 7,460,446 km (0.058 R)
• M12: 8,997,414 km (0.102 R)
• M13: 9,937,338 km (0.115 R)
• M14: 12,289,615 km (0.086 R)
• M15: 12,743,644 km (0.093 R)
• M16: 13,208,894 km (0.099 R)
• M17: 13,685,363 km (0.104 R)
• M18: 15,575,083 km (0.086 R)
• M19: 17,137,184 km (0.067 R)
• M20: 18,064,840 km (0.111 R)
• M21: 24,525,524 km (0.084 R)
• M22: 25,887,463 km (0.113 R)
• M23: 27,878,162 km (0.101 R)
• M24: 29,663,911 km (0.084 R)
• M25: 32,269,009 km (0.117 R)
• M26: 33,133,834 km (0.117 R)
• M27: 37,572,552 km (0.084 R)
• M28: 41,371,740 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.1

Radius: 4.1

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.11 AU - 7.53 AU

Year: 10102 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,143,821 km

• M1: 79,736 km (0.087 R)
• M2: 278,102 km (0.071 R)
• M3: 472,430 km (0.099 R)
• M4: 747,391 km (0.081 R)
• M5: 1,038,060 km (0.063 R)
• M6: 1,366,876 km (0.094 R)
• M7: 1,549,684 km (0.095 R)
• M8: 2,433,658 km (0.08 R)
• M9: 2,845,202 km (0.038 R)
• M10: 4,578,742 km (0.097 R)
• M11: 5,015,867 km (0.102 R)
• M12: 5,313,118 km (0.077 R)
• M13: 5,795,422 km (0.05 R)
• M14: 8,425,801 km (0.028 R)
• M15: 8,653,040 km (0.118 R)
• M16: 10,104,139 km (0.11 R)
• M17: 11,202,337 km (0.095 R)
• M18: 12,040,684 km (0.058 R)
• M19: 20,373,285 km (0.082 R)
• M20: 24,107,697 km (0.119 R)
• M21: 24,412,577 km (0.105 R)
• M22: 24,642,808 km (0.067 R)
• M23: 25,657,531 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.2

Radius: 7.5

Gravity: 17.48 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.76 AU - 8.56 AU

Year: 12182 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 120.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,143,821 km

• M1: 93,349 km (0.07 R)
• M2: 600,785 km (0.093 R)
• M3: 1,739,374 km (0.09 R)
• M4: 2,387,732 km (0.117 R)
• M5: 2,801,968 km (0.101 R)
• M6: 3,087,700 km (0.086 R)
• M7: 3,472,167 km (0.088 R)
• M8: 4,004,735 km (0.113 R)
• M9: 4,494,518 km (0.088 R)
• M10: 4,887,362 km (0.112 R)
• M11: 5,519,563 km (0.091 R)
• M12: 8,023,831 km (0.025 R)
• M13: 10,507,006 km (0.084 R)
• M14: 11,199,645 km (0.1 R)
• M15: 12,676,026 km (0.091 R)
• M16: 13,129,906 km (0.112 R)
• M17: 13,460,816 km (0.043 R)
• M18: 14,698,290 km (0.103 R)
• M19: 15,490,710 km (0.075 R)
• M20: 18,448,409 km (0.062 R)
• M21: 22,039,805 km (0.105 R)
• M22: 27,553,833 km (0.112 R)
• M23: 31,385,484 km (0.098 R)
• M24: 31,739,731 km (0.113 R)
• M25: 35,303,003 km (0.104 R)
• M26: 36,201,338 km (0.107 R)
• M27: 41,914,331 km (0.086 R)
• M28: 45,585,164 km (0.113 R)
• M29: 47,576,012 km (0.067 R)
• M30: 50,751,227 km (0.056 R)
• M31: 54,403,809 km (0.078 R)
• M32: 59,661,875 km (0.103 R)
• M33: 60,387,574 km (0.05 R)
• M34: 60,935,701 km (0.116 R)
• M35: 61,671,722 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.1

Radius: 5.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.95 AU - 10.75 AU

Year: 18178 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,143,821 km

• M1: 73,303 km (0.08 R)
• M2: 271,670 km (0.088 R)
• M3: 1,127,818 km (0.053 R)
• M4: 6,981,284 km (0.1 R)
• M5: 15,402,896 km (0.113 R)
• M6: 15,724,382 km (0.118 R)
• M7: 23,641,849 km (0.112 R)
• M8: 26,196,532 km (0.091 R)
• M9: 32,895,973 km (0.114 R)
• M10: 34,185,806 km (0.105 R)
• M11: 40,897,963 km (0.107 R)
• M12: 41,143,753 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit