🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.58 AU - 0.9 AU

Year: 235 Days

Day: 35.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 19 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.05 AU - 1.07 AU

Year: 403 Days

Day: 38.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 57,122,374 km

• M1: 197,768 km (0.12 R)
• M2: 292,913 km (0.109 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 14.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.25 AU - 8.31 AU

Year: 8791 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 57,122,374 km

• M1: 253,269 km (0.098 R)
• M2: 364,420 km (0.045 R)
• M3: 1,217,727 km (0.076 R)
• M4: 1,342,342 km (0.09 R)
• M5: 1,585,887 km (0.056 R)
• M6: 1,703,471 km (0.053 R)
• M7: 1,926,970 km (0.095 R)
• M8: 2,095,866 km (0.12 R)
• M9: 2,679,148 km (0.113 R)
• M10: 3,312,097 km (0.028 R)
• M11: 3,803,825 km (0.072 R)
• M12: 4,542,539 km (0.096 R)
• M13: 4,712,782 km (0.078 R)
• M14: 5,177,283 km (0.117 R)
• M15: 5,656,595 km (0.114 R)
• M16: 6,056,769 km (0.077 R)
• M17: 6,213,248 km (0.04 R)
• M18: 6,307,645 km (0.115 R)
• M19: 6,562,111 km (0.104 R)
• M20: 6,755,092 km (0.091 R)
• M21: 6,917,406 km (0.11 R)
• M22: 7,080,916 km (0.065 R)
• M23: 8,227,584 km (0.03 R)
• M24: 8,646,159 km (0.056 R)
• M25: 8,858,139 km (0.099 R)
• M26: 9,071,764 km (0.094 R)
• M27: 9,395,494 km (0.104 R)
• M28: 9,906,521 km (0.111 R)
• M29: 10,091,274 km (0.072 R)
• M30: 10,239,974 km (0.092 R)
• M31: 10,539,469 km (0.11 R)
• M32: 10,955,950 km (0.12 R)
• M33: 11,339,369 km (0.112 R)
• M34: 11,532,799 km (0.088 R)
• M35: 12,198,510 km (0.113 R)
• M36: 12,756,210 km (0.086 R)
• M37: 12,957,270 km (0.119 R)
• M38: 13,159,526 km (0.076 R)
• M39: 14,269,842 km (0.1 R)
• M40: 16,404,454 km (0.073 R)
• M41: 17,375,045 km (0.08 R)
• M42: 17,508,935 km (0.097 R)
• M43: 17,732,584 km (0.097 R)
• M44: 18,092,666 km (0.101 R)
• M45: 18,865,787 km (0.111 R)
• M46: 19,696,056 km (0.046 R)
• M47: 19,975,504 km (0.111 R)
• M48: 20,115,678 km (0.11 R)
• M49: 20,632,688 km (0.086 R)
• M50: 21,011,320 km (0.094 R)
• M51: 21,631,703 km (0.052 R)
• M52: 22,016,468 km (0.118 R)
• M53: 22,597,806 km (0.048 R)
• M54: 22,939,337 km (0.073 R)
• M55: 23,578,120 km (0.062 R)
• M56: 24,123,105 km (0.11 R)
• M57: 24,272,554 km (0.101 R)
• M58: 24,772,659 km (0.041 R)
• M59: 24,923,304 km (0.066 R)
• M60: 25,074,398 km (0.049 R)
• M61: 25,681,466 km (0.028 R)
• M62: 27,635,963 km (0.055 R)
• M63: 29,904,764 km (0.096 R)
• M64: 30,065,282 km (0.076 R)
• M65: 30,440,923 km (0.093 R)
• M66: 30,980,373 km (0.111 R)
• M67: 31,251,145 km (0.093 R)
• M68: 31,522,815 km (0.112 R)
• M69: 31,631,722 km (0.046 R)
• M70: 32,617,422 km (0.066 R)
• M71: 33,613,146 km (0.08 R)
• M72: 34,114,747 km (0.087 R)
• M73: 34,226,497 km (0.055 R)
• M74: 34,338,396 km (0.115 R)
• M75: 35,125,281 km (0.1 R)
• M76: 36,031,994 km (0.06 R)
• M77: 37,637,029 km (0.061 R)
• M78: 37,810,413 km (0.114 R)
• M79: 38,506,492 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 6.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 14.79 AU - 21.59 AU

Year: 28624 Days

Day: 19.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 57,122,374 km

• M1: 92,751 km (0.035 R)
• M2: 158,275 km (0.029 R)
• M3: 425,307 km (0.093 R)
• M4: 985,252 km (0.064 R)
• M5: 1,117,197 km (0.114 R)
• M6: 1,349,822 km (0.097 R)
• M7: 1,422,676 km (0.115 R)
• M8: 1,546,992 km (0.112 R)
• M9: 2,912,521 km (0.057 R)
• M10: 3,007,366 km (0.119 R)
• M11: 3,265,273 km (0.07 R)
• M12: 3,396,919 km (0.108 R)
• M13: 3,496,850 km (0.106 R)
• M14: 3,597,829 km (0.112 R)
• M15: 3,699,705 km (0.109 R)
• M16: 4,081,329 km (0.102 R)
• M17: 5,146,765 km (0.119 R)
• M18: 5,261,806 km (0.065 R)
• M19: 5,769,691 km (0.053 R)
• M20: 5,969,105 km (0.041 R)
• M21: 6,416,103 km (0.084 R)
• M22: 6,747,911 km (0.109 R)
• M23: 6,789,649 km (0.113 R)
• M24: 6,958,096 km (0.101 R)
• M25: 7,601,666 km (0.039 R)
• M26: 8,625,065 km (0.102 R)
• M27: 8,853,202 km (0.096 R)
• M28: 8,991,131 km (0.049 R)
• M29: 9,129,659 km (0.081 R)
• M30: 9,315,609 km (0.107 R)
• M31: 9,928,362 km (0.08 R)
• M32: 11,641,856 km (0.113 R)
• M33: 11,742,535 km (0.062 R)
• M34: 11,944,642 km (0.08 R)
• M35: 11,995,356 km (0.076 R)
• M36: 12,147,945 km (0.109 R)
• M37: 13,129,457 km (0.047 R)
• M38: 13,656,042 km (0.092 R)
• M39: 14,243,512 km (0.038 R)
• M40: 14,948,268 km (0.063 R)
• M41: 15,553,391 km (0.115 R)
• M42: 15,831,195 km (0.107 R)
• M43: 16,730,876 km (0.066 R)
• M44: 17,474,078 km (0.093 R)
• M45: 17,647,163 km (0.116 R)
• M46: 17,994,978 km (0.085 R)
• M47: 18,345,037 km (0.116 R)
• M48: 18,520,964 km (0.064 R)
• M49: 18,933,406 km (0.049 R)
• M50: 19,111,128 km (0.091 R)
• M51: 20,431,479 km (0.091 R)
• M52: 21,842,935 km (0.085 R)
• M53: 22,153,949 km (0.11 R)
• M54: 22,591,822 km (0.077 R)
• M55: 23,539,674 km (0.116 R)
• M56: 24,307,260 km (0.088 R)
• M57: 24,436,064 km (0.052 R)
• M58: 25,213,225 km (0.116 R)
• M59: 25,278,300 km (0.041 R)
• M60: 26,130,110 km (0.076 R)
• M61: 26,460,273 km (0.041 R)
• M62: 26,658,939 km (0.109 R)
• M63: 28,605,506 km (0.109 R)
• M64: 29,974,477 km (0.116 R)
• M65: 30,875,654 km (0.112 R)
• M66: 31,294,528 km (0.082 R)
• M67: 34,351,561 km (0.067 R)
• M68: 34,640,733 km (0.084 R)
• M69: 34,713,139 km (0.111 R)
• M70: 35,076,063 km (0.098 R)
• M71: 35,952,108 km (0.115 R)
• M72: 36,835,334 km (0.115 R)
• M73: 37,651,091 km (0.071 R)
• M74: 38,098,688 km (0.066 R)
• M75: 39,451,801 km (0.037 R)
• M76: 39,678,890 km (0.09 R)
• M77: 42,514,668 km (0.088 R)
• M78: 43,448,308 km (0.104 R)
• M79: 43,917,746 km (0.061 R)
• M80: 44,310,141 km (0.052 R)
• M81: 45,019,534 km (0.114 R)
• M82: 45,098,522 km (0.028 R)
• M83: 46,210,034 km (0.054 R)
• M84: 46,769,082 km (0.057 R)
• M85: 47,009,336 km (0.078 R)
• M86: 49,597,977 km (0.11 R)
• M87: 49,924,849 km (0.118 R)
• M88: 50,252,468 km (0.057 R)
• M89: 52,066,641 km (0.112 R)
• M90: 52,898,405 km (0.116 R)
• M91: 55,758,866 km (0.12 R)
• M92: 56,098,753 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 16,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit