🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 11.8

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.81 AU

Year: 387 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,752,064 km

• M1: 146,905 km (0.107 R)
• M2: 378,183 km (0.053 R)
• M3: 831,016 km (0.055 R)
• M4: 1,053,767 km (0.074 R)
• M5: 1,757,326 km (0.041 R)
• M6: 1,982,621 km (0.115 R)
• M7: 2,381,449 km (0.07 R)
• M8: 2,614,672 km (0.065 R)
• M9: 3,073,937 km (0.084 R)
• M10: 3,663,652 km (0.117 R)
• M11: 3,935,770 km (0.03 R)
• M12: 4,479,559 km (0.096 R)
• M13: 4,780,998 km (0.109 R)
• M14: 5,213,336 km (0.069 R)
• M15: 5,527,492 km (0.074 R)
• M16: 5,874,559 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 14.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.97 AU - 1.19 AU

Year: 775 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,752,064 km

• M1: 193,280 km (0.082 R)
• M2: 480,658 km (0.088 R)
• M3: 964,158 km (0.077 R)
• M4: 1,409,960 km (0.102 R)
• M5: 1,731,595 km (0.119 R)
• M6: 2,112,621 km (0.074 R)
• M7: 2,433,359 km (0.112 R)
• M8: 2,953,960 km (0.078 R)
• M9: 3,245,077 km (0.117 R)
• M10: 4,055,897 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 10.9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.34 AU - 1.72 AU

Year: 1306 Days

Day: 11.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,752,064 km

• M1: 138,228 km (0.081 R)
• M2: 435,779 km (0.039 R)
• M3: 787,184 km (0.055 R)
• M4: 1,137,243 km (0.106 R)
• M5: 1,855,163 km (0.12 R)
• M6: 2,133,864 km (0.084 R)
• M7: 2,568,296 km (0.119 R)
• M8: 3,404,698 km (0.072 R)
• M9: 3,729,475 km (0.062 R)
• M10: 4,701,562 km (0.061 R)
• M11: 4,954,831 km (0.044 R)
• M12: 5,264,349 km (0.051 R)
• M13: 5,566,537 km (0.061 R)
• M14: 6,323,203 km (0.065 R)
• M15: 6,543,261 km (0.072 R)
• M16: 7,821,874 km (0.063 R)
• M17: 9,684,817 km (0.114 R)
• M18: 10,026,498 km (0.06 R)
• M19: 10,374,164 km (0.067 R)
• M20: 11,526,965 km (0.111 R)
• M21: 11,749,866 km (0.113 R)
• M22: 12,793,161 km (0.051 R)
• M23: 13,424,614 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 10.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.45 AU - 3.57 AU

Year: 3605 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,752,064 km

• M1: 373,247 km (0.118 R)
• M2: 606,919 km (0.1 R)
• M3: 802,742 km (0.058 R)
• M4: 1,444,367 km (0.117 R)
• M5: 1,797,718 km (0.053 R)
• M6: 2,018,524 km (0.109 R)
• M7: 3,272,154 km (0.105 R)
• M8: 3,553,249 km (0.071 R)
• M9: 4,193,228 km (0.072 R)
• M10: 4,404,311 km (0.119 R)
• M11: 4,887,811 km (0.08 R)
• M12: 5,516,571 km (0.06 R)
• M13: 6,624,643 km (0.049 R)
• M14: 7,080,467 km (0.084 R)
• M15: 7,807,513 km (0.042 R)
• M16: 9,089,417 km (0.078 R)
• M17: 9,464,758 km (0.104 R)
• M18: 10,042,206 km (0.074 R)
• M19: 10,536,627 km (0.086 R)
• M20: 11,843,065 km (0.081 R)
• M21: 12,056,392 km (0.041 R)
• M22: 12,416,324 km (0.112 R)
• M23: 13,679,828 km (0.028 R)
• M24: 13,947,608 km (0.092 R)
• M25: 17,451,489 km (0.072 R)
• M26: 18,367,178 km (0.089 R)
• M27: 19,853,732 km (0.114 R)
• M28: 20,736,060 km (0.1 R)
• M29: 22,853,468 km (0.089 R)
• M30: 23,598,915 km (0.108 R)
• M31: 24,153,324 km (0.112 R)
• M32: 26,276,417 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.2

Radius: 3.4

Gravity: 52.7 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.65 AU - 5.89 AU

Year: 9567 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,752,064 km

• M1: 982,409 km (0.12 R)
• M2: 1,116,449 km (0.076 R)
• M3: 1,259,614 km (0.063 R)
• M4: 2,949,771 km (0.089 R)
• M5: 3,497,897 km (0.104 R)
• M6: 6,329,935 km (0.091 R)
• M7: 7,124,898 km (0.106 R)
• M8: 8,425,352 km (0.113 R)
• M9: 8,580,934 km (0.031 R)
• M10: 12,460,306 km (0.092 R)
• M11: 15,344,104 km (0.079 R)
• M12: 17,788,683 km (0.036 R)
• M13: 21,453,531 km (0.105 R)
• M14: 21,764,097 km (0.1 R)
• M15: 23,028,498 km (0.055 R)
• M16: 23,934,911 km (0.091 R)
• M17: 24,262,830 km (0.077 R)
• M18: 25,732,479 km (0.085 R)
• M19: 25,936,232 km (0.093 R)
• M20: 26,897,697 km (0.087 R)
• M21: 29,814,407 km (0.106 R)
• M22: 31,741,826 km (0.094 R)
• M23: 33,574,699 km (0.109 R)
• M24: 35,698,241 km (0.11 R)
• M25: 36,582,065 km (0.107 R)
• M26: 43,511,588 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.9

Radius: 7.5

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.93 AU - 7.15 AU

Year: 11545 Days

Day: 18.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 26,752,064 km

• M1: 94,695 km (0.027 R)
• M2: 263,442 km (0.084 R)
• M3: 593,156 km (0.036 R)
• M4: 2,093,024 km (0.083 R)
• M5: 5,040,850 km (0.04 R)
• M6: 5,929,461 km (0.101 R)
• M7: 6,290,740 km (0.092 R)
• M8: 6,891,376 km (0.103 R)
• M9: 7,439,801 km (0.071 R)
• M10: 7,600,320 km (0.042 R)
• M11: 8,260,046 km (0.087 R)
• M12: 10,500,424 km (0.086 R)
• M13: 11,522,327 km (0.06 R)
• M14: 11,722,340 km (0.103 R)
• M15: 13,171,494 km (0.086 R)
• M16: 14,537,173 km (0.115 R)
• M17: 15,970,620 km (0.118 R)
• M18: 18,658,295 km (0.114 R)
• M19: 20,678,016 km (0.076 R)
• M20: 21,216,120 km (0.109 R)
• M21: 23,013,089 km (0.111 R)
• M22: 23,367,038 km (0.055 R)
• M23: 24,155,269 km (0.115 R)
• M24: 24,956,665 km (0.097 R)
• M25: 28,528,763 km (0.1 R)
• M26: 32,591,991 km (0.059 R)
• M27: 33,182,453 km (0.119 R)
• M28: 34,985,856 km (0.119 R)
• M29: 35,861,302 km (0.12 R)
• M30: 40,028,650 km (0.098 R)
• M31: 42,198,418 km (0.115 R)
• M32: 43,063,093 km (0.116 R)
• M33: 46,308,769 km (0.118 R)
• M34: 51,768,642 km (0.1 R)
• M35: 51,980,623 km (0.026 R)
• M36: 54,016,201 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.3

Radius: 3.1

Gravity: 80.88 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.89 AU - 7.85 AU

Year: 12429 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 26,752,064 km

• M1: 1,060,200 km (0.045 R)
• M2: 1,889,122 km (0.081 R)
• M3: 2,145,533 km (0.106 R)
• M4: 2,212,253 km (0.1 R)
• M5: 2,442,185 km (0.118 R)
• M6: 2,936,606 km (0.1 R)
• M7: 3,147,240 km (0.095 R)
• M8: 4,217,912 km (0.105 R)
• M9: 6,026,999 km (0.101 R)
• M10: 7,113,828 km (0.115 R)
• M11: 7,235,600 km (0.099 R)
• M12: 7,733,312 km (0.042 R)
• M13: 8,555,203 km (0.05 R)
• M14: 8,688,794 km (0.109 R)
• M15: 8,823,432 km (0.077 R)
• M16: 9,279,706 km (0.118 R)
• M17: 9,937,936 km (0.068 R)
• M18: 10,178,490 km (0.044 R)
• M19: 11,630,636 km (0.097 R)
• M20: 13,235,223 km (0.119 R)
• M21: 17,637,439 km (0.047 R)
• M22: 18,541,459 km (0.032 R)
• M23: 18,869,827 km (0.107 R)
• M24: 19,201,036 km (0.051 R)
• M25: 20,900,618 km (0.097 R)
• M26: 23,401,146 km (0.09 R)
• M27: 23,474,748 km (0.029 R)
• M28: 23,622,102 km (0.114 R)
• M29: 24,441,001 km (0.056 R)
• M30: 31,070,879 km (0.116 R)
• M31: 32,353,980 km (0.054 R)
• M32: 32,787,515 km (0.092 R)
• M33: 34,998,123 km (0.097 R)
• M34: 39,731,698 km (0.117 R)
• M35: 42,954,785 km (0.064 R)
• M36: 49,564,168 km (0.087 R)
• M37: 51,835,812 km (0.105 R)
• M38: 53,489,766 km (0.109 R)
• M39: 55,395,493 km (0.085 R)
• M40: 56,076,163 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.1

Radius: 3.2

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.65 AU - 7.21 AU

Year: 12592 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,752,064 km

• M1: 40,391 km (0.11 R)
• M2: 261,048 km (0.037 R)
• M3: 593,754 km (0.077 R)
• M4: 973,882 km (0.118 R)
• M5: 1,162,375 km (0.11 R)
• M6: 1,873,414 km (0.107 R)
• M7: 3,091,440 km (0.074 R)
• M8: 3,579,129 km (0.077 R)
• M9: 3,999,200 km (0.057 R)
• M10: 7,207,326 km (0.119 R)
• M11: 7,628,444 km (0.113 R)
• M12: 8,297,446 km (0.09 R)
• M13: 10,407,673 km (0.061 R)
• M14: 10,878,757 km (0.098 R)
• M15: 11,187,228 km (0.064 R)
• M16: 12,427,843 km (0.098 R)
• M17: 16,208,331 km (0.106 R)
• M18: 18,265,002 km (0.103 R)
• M19: 18,530,688 km (0.057 R)
• M20: 18,977,836 km (0.051 R)
• M21: 23,392,320 km (0.116 R)
• M22: 26,485,555 km (0.047 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 14,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit