🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.78 AU

Year: 341 Days

Day: 27.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 11.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.73 AU - 0.83 AU

Year: 438 Days

Day: 5.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,668,285 km

• M1: 156,629 km (0.107 R)
• M2: 245,341 km (0.082 R)
• M3: 345,571 km (0.1 R)
• M4: 447,148 km (0.049 R)
• M5: 567,874 km (0.072 R)
• M6: 661,073 km (0.083 R)
• M7: 777,909 km (0.095 R)
• M8: 864,975 km (0.096 R)
• M9: 959,670 km (0.04 R)
• M10: 1,050,177 km (0.114 R)
• M11: 1,181,225 km (0.103 R)
• M12: 1,313,769 km (0.101 R)
• M13: 1,446,911 km (0.027 R)
• M14: 1,561,503 km (0.115 R)
• M15: 1,741,768 km (0.053 R)
• M16: 1,819,858 km (0.119 R)
• M17: 2,025,256 km (0.053 R)
• M18: 2,196,396 km (0.108 R)
• M19: 2,329,239 km (0.093 R)
• M20: 2,421,092 km (0.111 R)
• M21: 2,503,371 km (0.104 R)
• M22: 2,586,398 km (0.079 R)
• M23: 2,789,701 km (0.06 R)
• M24: 2,864,500 km (0.057 R)
• M25: 3,128,540 km (0.113 R)
• M26: 3,218,449 km (0.066 R)
• M27: 3,296,987 km (0.074 R)
• M28: 3,369,991 km (0.108 R)
• M29: 3,486,977 km (0.077 R)
• M30: 3,567,760 km (0.048 R)
• M31: 3,712,122 km (0.094 R)
• M32: 3,845,712 km (0.106 R)
• M33: 3,922,905 km (0.077 R)
• M34: 4,006,979 km (0.029 R)
• M35: 4,111,249 km (0.069 R)
• M36: 4,329,512 km (0.057 R)
• M37: 4,403,114 km (0.116 R)
• M38: 4,578,592 km (0.098 R)
• M39: 4,687,948 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 14.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.35 AU - 3.13 AU

Year: 2884 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 54,668,285 km

• M1: 177,722 km (0.044 R)
• M2: 289,921 km (0.101 R)
• M3: 550,520 km (0.044 R)
• M4: 638,783 km (0.09 R)
• M5: 770,728 km (0.103 R)
• M6: 1,136,345 km (0.087 R)
• M7: 1,264,401 km (0.057 R)
• M8: 1,446,462 km (0.118 R)
• M9: 1,566,140 km (0.116 R)
• M10: 1,935,198 km (0.103 R)
• M11: 2,170,216 km (0.094 R)
• M12: 2,262,369 km (0.086 R)
• M13: 2,367,536 km (0.081 R)
• M14: 2,546,605 km (0.083 R)
• M15: 3,059,576 km (0.094 R)
• M16: 3,295,192 km (0.117 R)
• M17: 3,469,025 km (0.046 R)
• M18: 3,564,020 km (0.101 R)
• M19: 3,756,552 km (0.072 R)
• M20: 3,868,152 km (0.069 R)
• M21: 4,650,848 km (0.079 R)
• M22: 4,770,975 km (0.088 R)
• M23: 4,968,444 km (0.101 R)
• M24: 5,230,839 km (0.087 R)
• M25: 5,387,319 km (0.104 R)
• M26: 5,577,158 km (0.086 R)
• M27: 5,705,064 km (0.099 R)
• M28: 6,342,351 km (0.072 R)
• M29: 6,475,942 km (0.11 R)
• M30: 6,712,008 km (0.052 R)
• M31: 6,831,088 km (0.084 R)
• M32: 7,019,730 km (0.11 R)
• M33: 7,437,258 km (0.105 R)
• M34: 7,666,891 km (0.108 R)
• M35: 7,988,676 km (0.045 R)
• M36: 8,645,710 km (0.119 R)
• M37: 8,775,561 km (0.058 R)
• M38: 8,999,509 km (0.102 R)
• M39: 9,093,456 km (0.071 R)
• M40: 9,187,703 km (0.043 R)
• M41: 9,453,239 km (0.119 R)
• M42: 9,548,832 km (0.113 R)
• M43: 9,644,575 km (0.074 R)
• M44: 10,050,434 km (0.103 R)
• M45: 10,304,601 km (0.03 R)
• M46: 10,422,633 km (0.109 R)
• M47: 10,919,149 km (0.067 R)
• M48: 11,099,863 km (0.115 R)
• M49: 11,627,495 km (0.105 R)
• M50: 12,665,105 km (0.116 R)
• M51: 13,024,589 km (0.088 R)
• M52: 13,366,121 km (0.095 R)
• M53: 13,753,879 km (0.063 R)
• M54: 14,628,727 km (0.075 R)
• M55: 15,050,743 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 14

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.07 AU - 4.11 AU

Year: 4325 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 54,668,285 km

• M1: 186,249 km (0.113 R)
• M2: 296,503 km (0.071 R)
• M3: 457,470 km (0.093 R)
• M4: 678,726 km (0.117 R)
• M5: 810,072 km (0.083 R)
• M6: 1,075,609 km (0.107 R)
• M7: 1,219,522 km (0.072 R)
• M8: 1,356,254 km (0.091 R)
• M9: 1,586,635 km (0.11 R)
• M10: 1,799,064 km (0.062 R)
• M11: 1,972,747 km (0.061 R)
• M12: 2,185,625 km (0.043 R)
• M13: 2,337,467 km (0.106 R)
• M14: 2,814,534 km (0.118 R)
• M15: 3,149,783 km (0.052 R)
• M16: 3,439,255 km (0.105 R)
• M17: 4,023,584 km (0.105 R)
• M18: 4,380,674 km (0.113 R)
• M19: 4,836,200 km (0.105 R)
• M20: 5,013,773 km (0.052 R)
• M21: 5,193,589 km (0.113 R)
• M22: 5,284,246 km (0.113 R)
• M23: 5,398,389 km (0.112 R)
• M24: 5,863,339 km (0.066 R)
• M25: 6,268,749 km (0.119 R)
• M26: 6,365,539 km (0.101 R)
• M27: 6,511,547 km (0.098 R)
• M28: 6,634,217 km (0.071 R)
• M29: 6,782,319 km (0.094 R)
• M30: 7,081,814 km (0.063 R)
• M31: 7,182,643 km (0.096 R)
• M32: 7,590,895 km (0.058 R)
• M33: 7,771,909 km (0.11 R)
• M34: 7,954,418 km (0.104 R)
• M35: 8,563,880 km (0.084 R)
• M36: 8,698,368 km (0.106 R)
• M37: 8,915,136 km (0.076 R)
• M38: 9,243,503 km (0.119 R)
• M39: 9,464,758 km (0.106 R)
• M40: 9,687,659 km (0.094 R)
• M41: 9,884,231 km (0.11 R)
• M42: 10,338,559 km (0.086 R)
• M43: 10,510,597 km (0.084 R)
• M44: 10,654,809 km (0.12 R)
• M45: 10,799,620 km (0.1 R)
• M46: 11,951,673 km (0.103 R)
• M47: 13,422,968 km (0.037 R)
• M48: 14,339,255 km (0.108 R)
• M49: 15,570,745 km (0.075 R)
• M50: 15,735,153 km (0.099 R)
• M51: 16,032,853 km (0.091 R)
• M52: 16,199,056 km (0.114 R)
• M53: 17,344,228 km (0.061 R)
• M54: 17,617,543 km (0.062 R)
• M55: 18,515,429 km (0.088 R)
• M56: 18,655,004 km (0.103 R)
• M57: 18,934,902 km (0.118 R)
• M58: 19,216,295 km (0.107 R)
• M59: 19,641,153 km (0.104 R)
• M60: 20,104,757 km (0.086 R)
• M61: 20,825,071 km (0.071 R)
• M62: 21,480,609 km (0.111 R)
• M63: 21,590,563 km (0.105 R)
• M64: 21,737,319 km (0.081 R)
• M65: 22,179,979 km (0.107 R)
• M66: 22,476,631 km (0.074 R)
• M67: 22,774,630 km (0.116 R)
• M68: 24,132,081 km (0.094 R)
• M69: 25,167,149 km (0.095 R)
• M70: 26,295,117 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.6

Radius: 4.4

Gravity: 23.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.18 AU - 9.26 AU

Year: 14984 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 61.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 54,668,285 km

• M1: 541,694 km (0.059 R)
• M2: 576,101 km (0.051 R)
• M3: 918,381 km (0.108 R)
• M4: 1,109,867 km (0.104 R)
• M5: 1,221,616 km (0.099 R)
• M6: 1,939,536 km (0.076 R)
• M7: 2,497,387 km (0.047 R)
• M8: 4,087,163 km (0.111 R)
• M9: 4,225,392 km (0.079 R)
• M10: 4,260,248 km (0.065 R)
• M11: 4,330,110 km (0.08 R)
• M12: 4,866,419 km (0.063 R)
• M13: 5,123,877 km (0.075 R)
• M14: 5,310,425 km (0.089 R)
• M15: 5,805,893 km (0.112 R)
• M16: 6,718,291 km (0.117 R)
• M17: 6,963,482 km (0.046 R)
• M18: 7,802,127 km (0.096 R)
• M19: 8,276,801 km (0.034 R)
• M20: 8,407,849 km (0.118 R)
• M21: 8,627,908 km (0.081 R)
• M22: 9,572,469 km (0.049 R)
• M23: 10,126,729 km (0.088 R)
• M24: 10,220,227 km (0.11 R)
• M25: 10,313,876 km (0.103 R)
• M26: 10,407,823 km (0.06 R)
• M27: 10,596,616 km (0.089 R)
• M28: 11,073,683 km (0.07 R)
• M29: 11,606,401 km (0.106 R)
• M30: 11,900,361 km (0.063 R)
• M31: 12,147,347 km (0.105 R)
• M32: 12,395,979 km (0.112 R)
• M33: 13,101,183 km (0.099 R)
• M34: 13,304,935 km (0.12 R)
• M35: 13,715,881 km (0.103 R)
• M36: 14,339,853 km (0.107 R)
• M37: 14,813,929 km (0.111 R)
• M38: 14,973,101 km (0.079 R)
• M39: 15,079,615 km (0.112 R)
• M40: 15,400,353 km (0.083 R)
• M41: 18,387,224 km (0.093 R)
• M42: 18,844,545 km (0.03 R)
• M43: 19,712,063 km (0.1 R)
• M44: 21,008,029 km (0.04 R)
• M45: 21,067,569 km (0.069 R)
• M46: 21,605,972 km (0.073 R)
• M47: 21,786,536 km (0.085 R)
• M48: 22,088,574 km (0.109 R)
• M49: 24,365,753 km (0.085 R)
• M50: 25,373,444 km (0.065 R)
• M51: 26,330,272 km (0.118 R)
• M52: 26,523,104 km (0.086 R)
• M53: 27,689,818 km (0.103 R)
• M54: 29,204,796 km (0.104 R)
• M55: 29,604,371 km (0.096 R)
• M56: 29,938,723 km (0.073 R)
• M57: 30,005,743 km (0.104 R)
• M58: 30,476,377 km (0.112 R)
• M59: 32,451,967 km (0.108 R)
• M60: 33,768,578 km (0.04 R)
• M61: 35,031,782 km (0.033 R)
• M62: 35,102,392 km (0.115 R)
• M63: 35,953,754 km (0.085 R)
• M64: 36,025,112 km (0.06 R)
• M65: 38,257,112 km (0.074 R)
• M66: 39,279,614 km (0.058 R)
• M67: 39,867,982 km (0.091 R)
• M68: 40,904,695 km (0.092 R)
• M69: 41,500,992 km (0.109 R)
• M70: 41,875,137 km (0.075 R)
• M71: 42,250,478 km (0.087 R)
• M72: 42,626,866 km (0.081 R)
• M73: 43,307,237 km (0.047 R)
• M74: 44,143,639 km (0.109 R)
• M75: 44,985,277 km (0.056 R)
• M76: 45,369,743 km (0.093 R)
• M77: 47,933,551 km (0.072 R)
• M78: 50,783,690 km (0.115 R)
• M79: 50,943,610 km (0.113 R)
• M80: 52,067,988 km (0.092 R)
• M81: 52,795,033 km (0.119 R)
• M82: 54,504,488 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 14,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit