🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.43 AU - 0.59 AU

Year: 239 Days

Day: 45.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.46 AU - 0.66 AU

Year: 275 Days

Day: 36 Hours

Environment

Temp: -116 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.58 AU - 0.62 AU

Year: 305 Days

Day: 16.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,628,357 km

• M1: 201,060 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 13.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.64 AU - 0.86 AU

Year: 426 Days

Day: 5.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,628,357 km

• M1: 181,013 km (0.068 R)
• M2: 308,471 km (0.072 R)
• M3: 447,298 km (0.054 R)
• M4: 544,835 km (0.089 R)
• M5: 639,381 km (0.105 R)
• M6: 761,902 km (0.072 R)
• M7: 882,179 km (0.084 R)
• M8: 968,347 km (0.1 R)
• M9: 1,076,057 km (0.097 R)
• M10: 1,210,396 km (0.111 R)
• M11: 1,357,451 km (0.055 R)
• M12: 1,466,059 km (0.053 R)
• M13: 1,563,447 km (0.05 R)
• M14: 1,659,639 km (0.069 R)
• M15: 1,747,004 km (0.091 R)
• M16: 1,918,892 km (0.107 R)
• M17: 2,010,895 km (0.036 R)
• M18: 2,167,823 km (0.067 R)
• M19: 2,263,865 km (0.1 R)
• M20: 2,382,047 km (0.081 R)
• M21: 2,493,946 km (0.051 R)
• M22: 2,599,263 km (0.071 R)
• M23: 2,688,872 km (0.12 R)
• M24: 2,783,867 km (0.11 R)
• M25: 2,897,711 km (0.099 R)
• M26: 2,999,587 km (0.067 R)
• M27: 3,084,858 km (0.11 R)
• M28: 3,198,253 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 10.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.73 AU - 1.03 AU

Year: 542 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 86,628,357 km

• M1: 141,071 km (0.113 R)
• M2: 228,885 km (0.113 R)
• M3: 334,950 km (0.105 R)
• M4: 432,338 km (0.089 R)
• M5: 564,882 km (0.077 R)
• M6: 769,531 km (0.104 R)
• M7: 892,950 km (0.057 R)
• M8: 1,150,408 km (0.073 R)
• M9: 1,261,260 km (0.079 R)
• M10: 1,359,097 km (0.073 R)
• M11: 1,459,776 km (0.054 R)
• M12: 1,592,170 km (0.104 R)
• M13: 1,710,652 km (0.069 R)
• M14: 1,795,324 km (0.091 R)
• M15: 1,887,776 km (0.118 R)
• M16: 2,032,736 km (0.12 R)
• M17: 2,142,242 km (0.046 R)
• M18: 2,240,527 km (0.104 R)
• M19: 2,374,118 km (0.08 R)
• M20: 2,448,768 km (0.105 R)
• M21: 2,621,254 km (0.118 R)
• M22: 2,733,751 km (0.092 R)
• M23: 2,833,683 km (0.1 R)
• M24: 2,956,503 km (0.085 R)
• M25: 3,073,937 km (0.113 R)
• M26: 3,162,948 km (0.094 R)
• M27: 3,320,774 km (0.099 R)
• M28: 3,442,995 km (0.101 R)
• M29: 3,660,211 km (0.118 R)
• M30: 3,770,614 km (0.1 R)
• M31: 3,850,200 km (0.111 R)
• M32: 4,141,168 km (0.06 R)
• M33: 4,523,540 km (0.087 R)
• M34: 4,667,753 km (0.099 R)
• M35: 4,848,018 km (0.077 R)
• M36: 4,925,959 km (0.058 R)
• M37: 5,039,354 km (0.103 R)
• M38: 5,233,233 km (0.091 R)
• M39: 5,322,243 km (0.067 R)
• M40: 5,465,558 km (0.102 R)
• M41: 5,546,790 km (0.038 R)
• M42: 5,673,948 km (0.09 R)
• M43: 5,747,101 km (0.092 R)
• M44: 5,820,404 km (0.071 R)
• M45: 6,136,056 km (0.092 R)
• M46: 6,305,401 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.5

Radius: 9.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.94 AU - 2.72 AU

Year: 2333 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 86,628,357 km

• M1: 144,661 km (0.118 R)
• M2: 209,886 km (0.105 R)
• M3: 377,735 km (0.12 R)
• M4: 440,865 km (0.053 R)
• M5: 558,299 km (0.058 R)
• M6: 632,799 km (0.041 R)
• M7: 784,641 km (0.102 R)
• M8: 861,085 km (0.066 R)
• M9: 922,271 km (0.098 R)
• M10: 1,134,700 km (0.057 R)
• M11: 1,467,106 km (0.07 R)
• M12: 1,806,693 km (0.083 R)
• M13: 2,256,085 km (0.071 R)
• M14: 2,330,286 km (0.03 R)
• M15: 2,519,228 km (0.088 R)
• M16: 2,661,197 km (0.064 R)
• M17: 2,832,187 km (0.09 R)
• M18: 2,912,521 km (0.057 R)
• M19: 3,130,186 km (0.1 R)
• M20: 3,523,927 km (0.102 R)
• M21: 3,770,764 km (0.062 R)
• M22: 3,859,326 km (0.1 R)
• M23: 3,993,366 km (0.05 R)
• M24: 4,053,354 km (0.113 R)
• M25: 4,189,638 km (0.089 R)
• M26: 4,466,843 km (0.103 R)
• M27: 4,702,459 km (0.11 R)
• M28: 4,813,910 km (0.118 R)
• M29: 4,893,945 km (0.046 R)
• M30: 5,006,742 km (0.09 R)
• M31: 5,235,177 km (0.091 R)
• M32: 5,334,062 km (0.038 R)
• M33: 5,567,434 km (0.069 R)
• M34: 5,651,508 km (0.055 R)
• M35: 6,009,496 km (0.068 R)
• M36: 6,200,084 km (0.078 R)
• M37: 6,269,796 km (0.114 R)
• M38: 6,551,489 km (0.103 R)
• M39: 6,765,564 km (0.089 R)
• M40: 6,891,525 km (0.115 R)
• M41: 7,403,000 km (0.113 R)
• M42: 7,495,751 km (0.028 R)
• M43: 8,021,587 km (0.091 R)
• M44: 8,135,880 km (0.102 R)
• M45: 8,327,515 km (0.084 R)
• M46: 8,520,796 km (0.068 R)
• M47: 8,695,825 km (0.061 R)
• M48: 9,408,210 km (0.075 R)
• M49: 9,670,156 km (0.082 R)
• M50: 9,730,893 km (0.104 R)
• M51: 10,036,671 km (0.082 R)
• M52: 10,532,588 km (0.109 R)
• M53: 10,595,120 km (0.069 R)
• M54: 11,036,433 km (0.112 R)
• M55: 11,163,592 km (0.108 R)
• M56: 11,398,161 km (0.107 R)
• M57: 11,526,666 km (0.116 R)
• M58: 12,264,482 km (0.119 R)
• M59: 12,639,075 km (0.079 R)
• M60: 12,883,518 km (0.078 R)
• M61: 12,950,388 km (0.103 R)
• M62: 13,084,578 km (0.103 R)
• M63: 13,241,805 km (0.04 R)
• M64: 13,671,600 km (0.08 R)
• M65: 13,762,555 km (0.077 R)
• M66: 13,831,071 km (0.059 R)
• M67: 14,014,029 km (0.11 R)
• M68: 14,964,724 km (0.045 R)
• M69: 15,247,015 km (0.104 R)
• M70: 15,960,148 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 13

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.96 AU - 4.96 AU

Year: 7247 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,628,357 km

• M1: 187,297 km (0.052 R)
• M2: 322,234 km (0.104 R)
• M3: 477,068 km (0.088 R)
• M4: 663,317 km (0.099 R)
• M5: 807,380 km (0.058 R)
• M6: 1,045,390 km (0.066 R)
• M7: 1,306,887 km (0.076 R)
• M8: 1,417,739 km (0.116 R)
• M9: 1,945,820 km (0.117 R)
• M10: 2,117,109 km (0.031 R)
• M11: 2,259,975 km (0.064 R)
• M12: 2,888,436 km (0.057 R)
• M13: 2,998,390 km (0.068 R)
• M14: 4,355,093 km (0.112 R)
• M15: 6,270,544 km (0.086 R)
• M16: 6,802,066 km (0.062 R)
• M17: 7,098,120 km (0.091 R)
• M18: 7,314,588 km (0.091 R)
• M19: 7,516,395 km (0.048 R)
• M20: 8,167,595 km (0.099 R)
• M21: 8,429,690 km (0.111 R)
• M22: 8,801,292 km (0.034 R)
• M23: 9,214,630 km (0.116 R)
• M24: 9,396,242 km (0.098 R)
• M25: 9,487,497 km (0.061 R)
• M26: 10,247,155 km (0.11 R)
• M27: 10,549,043 km (0.044 R)
• M28: 10,834,626 km (0.106 R)
• M29: 11,374,674 km (0.108 R)
• M30: 11,805,067 km (0.119 R)
• M31: 13,271,725 km (0.048 R)
• M32: 13,787,089 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.6

Radius: 6.7

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.65 AU - 13.21 AU

Year: 23705 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 86,628,357 km

• M1: 86,019 km (0.12 R)
• M2: 258,505 km (0.101 R)
• M3: 425,456 km (0.056 R)
• M4: 650,003 km (0.075 R)
• M5: 699,220 km (0.094 R)
• M6: 775,665 km (0.109 R)
• M7: 854,952 km (0.078 R)
• M8: 937,231 km (0.038 R)
• M9: 1,050,925 km (0.078 R)
• M10: 1,199,625 km (0.092 R)
• M11: 1,860,848 km (0.091 R)
• M12: 2,190,262 km (0.114 R)
• M13: 3,636,126 km (0.091 R)
• M14: 4,423,908 km (0.079 R)
• M15: 4,616,889 km (0.09 R)
• M16: 4,861,781 km (0.093 R)
• M17: 4,911,298 km (0.11 R)
• M18: 5,364,580 km (0.081 R)
• M19: 5,831,175 km (0.095 R)
• M20: 6,692,560 km (0.09 R)
• M21: 7,138,062 km (0.096 R)
• M22: 7,478,398 km (0.086 R)
• M23: 7,708,329 km (0.096 R)
• M24: 8,352,498 km (0.119 R)
• M25: 8,711,084 km (0.105 R)
• M26: 8,952,984 km (0.113 R)
• M27: 9,197,127 km (0.031 R)
• M28: 9,319,947 km (0.108 R)
• M29: 9,942,574 km (0.05 R)
• M30: 10,005,554 km (0.107 R)
• M31: 11,096,721 km (0.113 R)
• M32: 11,162,096 km (0.114 R)
• M33: 11,557,034 km (0.073 R)
• M34: 12,564,127 km (0.029 R)
• M35: 12,632,194 km (0.082 R)
• M36: 13,879,690 km (0.086 R)
• M37: 14,518,025 km (0.052 R)
• M38: 14,876,760 km (0.109 R)
• M39: 14,948,866 km (0.101 R)
• M40: 15,970,470 km (0.073 R)
• M41: 16,118,273 km (0.039 R)
• M42: 17,014,514 km (0.073 R)
• M43: 17,089,911 km (0.099 R)
• M44: 17,392,697 km (0.046 R)
• M45: 18,080,399 km (0.12 R)
• M46: 19,798,680 km (0.062 R)
• M47: 21,324,129 km (0.117 R)
• M48: 21,568,423 km (0.101 R)
• M49: 21,650,103 km (0.111 R)
• M50: 22,886,978 km (0.1 R)
• M51: 23,977,397 km (0.119 R)
• M52: 24,999,001 km (0.11 R)
• M53: 25,774,367 km (0.064 R)
• M54: 26,295,715 km (0.029 R)
• M55: 27,969,566 km (0.046 R)
• M56: 29,859,137 km (0.1 R)
• M57: 30,865,332 km (0.078 R)
• M58: 32,723,188 km (0.084 R)
• M59: 32,816,986 km (0.05 R)
• M60: 34,808,133 km (0.09 R)
• M61: 35,384,235 km (0.066 R)
• M62: 36,254,296 km (0.043 R)
• M63: 40,205,325 km (0.111 R)
• M64: 40,406,385 km (0.116 R)
• M65: 41,315,491 km (0.081 R)
• M66: 43,979,680 km (0.068 R)
• M67: 44,394,365 km (0.117 R)
• M68: 46,066,420 km (0.095 R)
• M69: 46,276,905 km (0.078 R)
• M70: 46,698,621 km (0.101 R)
• M71: 49,149,034 km (0.075 R)
• M72: 52,078,460 km (0.078 R)
• M73: 52,517,230 km (0.116 R)
• M74: 57,197,699 km (0.109 R)
• M75: 58,673,332 km (0.116 R)
• M76: 59,587,674 km (0.109 R)
• M77: 60,967,864 km (0.076 R)
• M78: 61,314,482 km (0.113 R)
• M79: 61,893,875 km (0.036 R)
• M80: 62,707,837 km (0.056 R)
• M81: 63,876,944 km (0.119 R)
• M82: 66,474,113 km (0.105 R)
• M83: 68,384,627 km (0.113 R)
• M84: 69,467,118 km (0.118 R)
• M85: 69,950,169 km (0.088 R)
• M86: 71,405,607 km (0.12 R)
• M87: 71,892,997 km (0.11 R)
• M88: 73,239,078 km (0.1 R)
• M89: 73,730,657 km (0.076 R)
• M90: 75,211,676 km (0.088 R)
• M91: 77,201,776 km (0.054 R)
• M92: 78,580,022 km (0.115 R)
• M93: 80,472,435 km (0.114 R)
• M94: 81,997,286 km (0.067 R)
• M95: 84,817,355 km (0.085 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: 458 - 11,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit