🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 8.6

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.42 AU

Year: 833 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,571,053 km

• M1: 106,962 km (0.079 R)
• M2: 481,855 km (0.077 R)
• M3: 810,372 km (0.095 R)
• M4: 1,262,307 km (0.066 R)
• M5: 1,725,013 km (0.097 R)
• M6: 2,103,496 km (0.118 R)
• M7: 2,733,452 km (0.065 R)
• M8: 3,611,442 km (0.079 R)
• M9: 4,430,191 km (0.074 R)
• M10: 4,717,569 km (0.115 R)
• M11: 5,330,023 km (0.084 R)
• M12: 5,773,580 km (0.114 R)
• M13: 6,346,690 km (0.048 R)
• M14: 6,734,747 km (0.094 R)
• M15: 7,230,514 km (0.073 R)
• M16: 7,654,175 km (0.092 R)
• M17: 8,269,770 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 12.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.55 AU - 2.03 AU

Year: 1597 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,571,053 km

• M1: 155,432 km (0.111 R)
• M2: 550,520 km (0.032 R)
• M3: 1,060,649 km (0.073 R)
• M4: 1,457,382 km (0.098 R)
• M5: 1,904,381 km (0.106 R)
• M6: 2,423,336 km (0.101 R)
• M7: 4,494,818 km (0.112 R)
• M8: 4,911,448 km (0.096 R)
• M9: 7,074,483 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 11.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.34 AU - 4.1 AU

Year: 4785 Days

Day: 13.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,571,053 km

• M1: 140,472 km (0.098 R)
• M2: 553,213 km (0.044 R)
• M3: 958,773 km (0.115 R)
• M4: 1,580,651 km (0.119 R)
• M5: 2,129,077 km (0.11 R)
• M6: 3,338,875 km (0.044 R)
• M7: 5,095,752 km (0.059 R)
• M8: 5,487,549 km (0.099 R)
• M9: 7,435,912 km (0.095 R)
• M10: 9,596,554 km (0.071 R)
• M11: 11,518,288 km (0.062 R)
• M12: 13,791,129 km (0.067 R)
• M13: 18,544,002 km (0.077 R)
• M14: 24,762,337 km (0.091 R)
• M15: 26,969,654 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.5

Radius: 3.3

Gravity: 29.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.26 AU - 7.08 AU

Year: 11487 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,571,053 km

• M1: 41,439 km (0.11 R)
• M2: 195,375 km (0.111 R)
• M3: 450,738 km (0.077 R)
• M4: 780,452 km (0.072 R)
• M5: 1,194,240 km (0.047 R)
• M6: 1,724,714 km (0.099 R)
• M7: 1,828,984 km (0.087 R)
• M8: 1,953,299 km (0.12 R)
• M9: 2,253,842 km (0.078 R)
• M10: 2,842,509 km (0.116 R)
• M11: 3,720,349 km (0.101 R)
• M12: 3,895,080 km (0.112 R)
• M13: 4,397,280 km (0.115 R)
• M14: 4,621,078 km (0.039 R)
• M15: 5,275,868 km (0.12 R)
• M16: 6,195,745 km (0.087 R)
• M17: 8,953,133 km (0.077 R)
• M18: 10,497,731 km (0.095 R)
• M19: 10,998,884 km (0.116 R)
• M20: 13,162,967 km (0.037 R)
• M21: 13,627,468 km (0.107 R)
• M22: 15,023,516 km (0.073 R)
• M23: 17,743,504 km (0.111 R)
• M24: 21,244,842 km (0.06 R)
• M25: 21,482,703 km (0.118 R)
• M26: 22,616,655 km (0.094 R)
• M27: 26,714,889 km (0.117 R)
• M28: 26,899,343 km (0.096 R)
• M29: 27,084,844 km (0.097 R)
• M30: 28,406,840 km (0.04 R)
• M31: 28,599,223 km (0.032 R)
• M32: 29,475,418 km (0.077 R)
• M33: 30,873,560 km (0.06 R)
• M34: 36,567,404 km (0.093 R)
• M35: 40,081,010 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.8

Radius: 3.8

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.61 AU - 7.79 AU

Year: 12883 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,571,053 km

• M1: 47,273 km (0.086 R)
• M2: 177,124 km (0.04 R)
• M3: 395,537 km (0.05 R)
• M4: 596,896 km (0.1 R)
• M5: 737,518 km (0.077 R)
• M6: 946,805 km (0.111 R)
• M7: 1,205,908 km (0.091 R)
• M8: 1,334,114 km (0.056 R)
• M9: 2,813,786 km (0.08 R)
• M10: 2,936,157 km (0.09 R)
• M11: 3,083,362 km (0.12 R)
• M12: 4,985,798 km (0.109 R)
• M13: 5,105,027 km (0.095 R)
• M14: 7,092,884 km (0.028 R)
• M15: 8,236,560 km (0.11 R)
• M16: 8,700,762 km (0.114 R)
• M17: 9,773,977 km (0.059 R)
• M18: 10,342,150 km (0.066 R)
• M19: 12,071,651 km (0.079 R)
• M20: 12,780,894 km (0.105 R)
• M21: 13,402,473 km (0.085 R)
• M22: 15,640,906 km (0.115 R)
• M23: 18,186,613 km (0.056 R)
• M24: 18,612,369 km (0.065 R)
• M25: 19,631,429 km (0.101 R)
• M26: 22,099,196 km (0.106 R)
• M27: 22,583,743 km (0.058 R)
• M28: 23,490,606 km (0.115 R)
• M29: 24,421,553 km (0.098 R)
• M30: 29,253,116 km (0.118 R)
• M31: 34,360,237 km (0.098 R)
• M32: 35,558,367 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.1

Radius: 7.7

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.79 AU - 10.17 AU

Year: 16467 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,571,053 km

• M1: 95,743 km (0.044 R)
• M2: 417,528 km (0.095 R)
• M3: 774,019 km (0.101 R)
• M4: 1,298,809 km (0.071 R)
• M5: 1,541,756 km (0.116 R)
• M6: 3,649,290 km (0.105 R)
• M7: 4,401,618 km (0.05 R)
• M8: 5,961,176 km (0.087 R)
• M9: 9,835,013 km (0.11 R)
• M10: 15,823,715 km (0.065 R)
• M11: 16,142,508 km (0.087 R)
• M12: 16,384,408 km (0.104 R)
• M13: 19,661,947 km (0.101 R)
• M14: 21,067,868 km (0.115 R)
• M15: 21,943,016 km (0.07 R)
• M16: 23,045,253 km (0.084 R)
• M17: 25,251,073 km (0.107 R)
• M18: 36,723,734 km (0.095 R)
• M19: 37,142,608 km (0.109 R)
• M20: 38,132,348 km (0.093 R)
• M21: 38,705,756 km (0.046 R)
• M22: 40,312,288 km (0.031 R)
• M23: 41,962,801 km (0.086 R)
• M24: 43,036,315 km (0.028 R)
• M25: 45,719,353 km (0.083 R)
• M26: 46,204,050 km (0.106 R)
• M27: 55,161,073 km (0.074 R)
• M28: 67,271,320 km (0.082 R)
• M29: 69,803,414 km (0.09 R)
• M30: 73,056,868 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.4

Radius: 3.9

Gravity: 26.19 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.76 AU - 9.74 AU

Year: 17260 Days

Day: 15.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,571,053 km

• M1: 48,470 km (0.039 R)
• M2: 279,748 km (0.079 R)
• M3: 474,973 km (0.09 R)
• M4: 1,465,910 km (0.075 R)
• M5: 2,732,256 km (0.087 R)
• M6: 3,702,398 km (0.111 R)
• M7: 6,610,880 km (0.072 R)
• M8: 8,956,125 km (0.093 R)
• M9: 10,813,832 km (0.067 R)
• M10: 19,610,037 km (0.085 R)
• M11: 27,768,058 km (0.03 R)
• M12: 29,279,744 km (0.099 R)
• M13: 33,778,302 km (0.116 R)
• M14: 45,280,284 km (0.087 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: 441 - 16,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit