🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 8

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,993,843 km

• M1: 99,483 km (0.09 R)
• M2: 365,318 km (0.09 R)
• M3: 744,848 km (0.107 R)
• M4: 1,222,364 km (0.078 R)
• M5: 1,527,693 km (0.116 R)
• M6: 1,975,589 km (0.048 R)
• M7: 2,252,046 km (0.068 R)
• M8: 2,686,778 km (0.071 R)
• M9: 3,155,019 km (0.06 R)
• M10: 3,500,441 km (0.094 R)
• M11: 3,772,858 km (0.083 R)
• M12: 4,110,650 km (0.095 R)
• M13: 4,718,915 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 8.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.54 AU - 2.52 AU

Year: 1996 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,993,843 km

• M1: 100,829 km (0.072 R)
• M2: 373,995 km (0.104 R)
• M3: 649,853 km (0.092 R)
• M4: 926,310 km (0.042 R)
• M5: 1,243,906 km (0.086 R)
• M6: 2,336,120 km (0.03 R)
• M7: 2,818,125 km (0.05 R)
• M8: 3,212,614 km (0.119 R)
• M9: 3,712,122 km (0.114 R)
• M10: 4,217,014 km (0.067 R)
• M11: 4,669,398 km (0.066 R)
• M12: 5,708,056 km (0.039 R)
• M13: 6,562,410 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 13.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.94 AU - 3 AU

Year: 2680 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,993,843 km

• M1: 166,652 km (0.118 R)
• M2: 636,988 km (0.119 R)
• M3: 1,097,899 km (0.065 R)
• M4: 2,833,683 km (0.097 R)
• M5: 3,309,703 km (0.055 R)
• M6: 4,134,287 km (0.099 R)
• M7: 5,449,850 km (0.056 R)
• M8: 6,394,262 km (0.1 R)
• M9: 6,919,650 km (0.095 R)
• M10: 7,473,610 km (0.118 R)
• M11: 8,057,192 km (0.114 R)
• M12: 8,829,117 km (0.116 R)
• M13: 9,249,786 km (0.05 R)
• M14: 9,992,390 km (0.101 R)
• M15: 10,593,025 km (0.096 R)
• M16: 11,330,543 km (0.116 R)
• M17: 12,101,869 km (0.118 R)
• M18: 13,535,915 km (0.11 R)
• M19: 15,126,290 km (0.082 R)
• M20: 15,966,730 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 12.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.75 AU - 5.41 AU

Year: 7903 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,993,843 km

• M1: 151,692 km (0.12 R)
• M2: 1,164,769 km (0.096 R)
• M3: 2,789,402 km (0.063 R)
• M4: 3,710,925 km (0.043 R)
• M5: 4,154,482 km (0.107 R)
• M6: 6,744,919 km (0.076 R)
• M7: 7,573,542 km (0.099 R)
• M8: 8,256,007 km (0.09 R)
• M9: 9,128,911 km (0.097 R)
• M10: 10,718,987 km (0.11 R)
• M11: 11,757,794 km (0.095 R)
• M12: 15,491,608 km (0.093 R)
• M13: 15,980,493 km (0.102 R)
• M14: 17,277,058 km (0.086 R)
• M15: 17,744,103 km (0.066 R)
• M16: 22,959,533 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.1

Radius: 6.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.52 AU - 5.98 AU

Year: 9517 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,993,843 km

• M1: 78,539 km (0.045 R)
• M2: 297,700 km (0.1 R)
• M3: 505,940 km (0.103 R)
• M4: 1,171,950 km (0.112 R)
• M5: 1,617,751 km (0.093 R)
• M6: 3,579,129 km (0.101 R)
• M7: 4,922,817 km (0.067 R)
• M8: 5,842,395 km (0.08 R)
• M9: 6,283,260 km (0.095 R)
• M10: 6,770,949 km (0.118 R)
• M11: 7,415,716 km (0.063 R)
• M12: 9,007,288 km (0.104 R)
• M13: 11,090,438 km (0.096 R)
• M14: 12,619,927 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.7

Radius: 4

Gravity: 56.36 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.28 AU - 8.46 AU

Year: 13811 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,993,843 km

• M1: 49,816 km (0.039 R)
• M2: 311,463 km (0.066 R)
• M3: 555,008 km (0.107 R)
• M4: 1,621,043 km (0.071 R)
• M5: 2,699,793 km (0.111 R)
• M6: 5,189,401 km (0.105 R)
• M7: 11,604,905 km (0.107 R)
• M8: 20,699,708 km (0.109 R)
• M9: 22,378,345 km (0.114 R)
• M10: 24,448,780 km (0.059 R)
• M11: 28,739,097 km (0.096 R)
• M12: 28,965,888 km (0.069 R)
• M13: 30,001,255 km (0.099 R)
• M14: 30,705,113 km (0.026 R)
• M15: 36,074,180 km (0.116 R)
• M16: 36,338,071 km (0.069 R)
• M17: 37,137,522 km (0.092 R)
• M18: 37,948,641 km (0.057 R)
• M19: 41,023,925 km (0.105 R)
• M20: 42,916,936 km (0.045 R)
• M21: 44,563,560 km (0.09 R)
• M22: 49,755,354 km (0.032 R)
• M23: 61,319,419 km (0.027 R)
• M24: 62,451,725 km (0.089 R)
• M25: 64,952,553 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.6

Radius: 6.6

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.72 AU - 9.3 AU

Year: 14206 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,993,843 km

• M1: 82,428 km (0.064 R)
• M2: 1,441,525 km (0.058 R)
• M3: 1,681,031 km (0.076 R)
• M4: 2,378,606 km (0.11 R)
• M5: 2,918,355 km (0.093 R)
• M6: 3,457,955 km (0.049 R)
• M7: 4,799,100 km (0.065 R)
• M8: 7,281,826 km (0.064 R)
• M9: 7,765,476 km (0.113 R)
• M10: 9,143,571 km (0.082 R)
• M11: 10,130,319 km (0.097 R)
• M12: 10,566,397 km (0.091 R)
• M13: 12,009,867 km (0.068 R)
• M14: 15,071,237 km (0.096 R)
• M15: 20,109,095 km (0.091 R)
• M16: 21,059,790 km (0.036 R)
• M17: 21,324,279 km (0.091 R)
• M18: 22,587,633 km (0.055 R)
• M19: 22,864,688 km (0.113 R)
• M20: 23,520,076 km (0.04 R)
• M21: 26,676,292 km (0.118 R)
• M22: 30,327,378 km (0.071 R)
• M23: 30,551,924 km (0.109 R)
• M24: 31,461,479 km (0.101 R)
• M25: 32,859,322 km (0.114 R)
• M26: 33,453,824 km (0.094 R)
• M27: 35,903,639 km (0.034 R)
• M28: 36,788,660 km (0.084 R)
• M29: 37,688,042 km (0.114 R)
• M30: 38,470,588 km (0.112 R)
• M31: 41,570,705 km (0.113 R)
• M32: 42,687,004 km (0.078 R)
• M33: 43,110,666 km (0.074 R)
• M34: 44,254,192 km (0.09 R)
• M35: 50,433,930 km (0.111 R)
• M36: 51,384,026 km (0.031 R)
• M37: 52,345,791 km (0.071 R)
• M38: 56,993,797 km (0.111 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: 250 - 18,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit