🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 238 Days

Day: 29.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.53 AU - 0.61 AU

Year: 274 Days

Day: 25.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,156,579 km

• M1: 288,275 km (0.038 R)
• M2: 631,602 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.57 AU - 0.65 AU

Year: 303 Days

Day: 37.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 11.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.63 AU - 0.85 AU

Year: 405 Days

Day: 10.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 32,156,579 km

• M1: 143,464 km (0.09 R)
• M2: 221,255 km (0.12 R)
• M3: 295,456 km (0.094 R)
• M4: 367,263 km (0.089 R)
• M5: 444,605 km (0.103 R)
• M6: 532,568 km (0.077 R)
• M7: 627,862 km (0.079 R)
• M8: 722,109 km (0.069 R)
• M9: 817,552 km (0.093 R)
• M10: 909,256 km (0.1 R)
• M11: 1,004,849 km (0.113 R)
• M12: 1,085,781 km (0.075 R)
• M13: 1,159,683 km (0.114 R)
• M14: 1,249,890 km (0.066 R)
• M15: 1,327,681 km (0.074 R)
• M16: 1,412,353 km (0.117 R)
• M17: 1,509,293 km (0.06 R)
• M18: 1,656,348 km (0.07 R)
• M19: 1,769,892 km (0.096 R)
• M20: 1,841,550 km (0.081 R)
• M21: 2,114,865 km (0.044 R)
• M22: 2,208,962 km (0.103 R)
• M23: 2,322,507 km (0.1 R)
• M24: 2,407,479 km (0.055 R)
• M25: 2,512,197 km (0.099 R)
• M26: 2,593,279 km (0.117 R)
• M27: 2,681,542 km (0.104 R)
• M28: 2,803,015 km (0.112 R)
• M29: 2,880,806 km (0.077 R)
• M30: 3,111,785 km (0.107 R)
• M31: 3,185,537 km (0.056 R)
• M32: 3,314,490 km (0.104 R)
• M33: 3,542,777 km (0.081 R)
• M34: 3,669,486 km (0.115 R)
• M35: 3,761,938 km (0.107 R)
• M36: 3,847,956 km (0.076 R)
• M37: 3,934,723 km (0.113 R)
• M38: 4,043,930 km (0.081 R)
• M39: 4,552,413 km (0.054 R)
• M40: 4,636,636 km (0.119 R)
• M41: 4,775,463 km (0.044 R)
• M42: 5,073,313 km (0.101 R)
• M43: 5,353,061 km (0.088 R)
• M44: 5,450,150 km (0.116 R)
• M45: 5,523,303 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 11.3

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.56 AU - 1.62 AU

Year: 1275 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 32,156,579 km

• M1: 140,921 km (0.117 R)
• M2: 278,102 km (0.059 R)
• M3: 609,462 km (0.118 R)
• M4: 700,866 km (0.112 R)
• M5: 783,444 km (0.097 R)
• M6: 929,302 km (0.112 R)
• M7: 1,052,870 km (0.05 R)
• M8: 1,343,239 km (0.107 R)
• M9: 1,493,735 km (0.055 R)
• M10: 1,659,190 km (0.069 R)
• M11: 1,734,887 km (0.064 R)
• M12: 2,018,973 km (0.107 R)
• M13: 2,110,228 km (0.078 R)
• M14: 2,244,716 km (0.101 R)
• M15: 2,318,318 km (0.073 R)
• M16: 2,544,061 km (0.06 R)
• M17: 2,867,642 km (0.091 R)
• M18: 3,408,288 km (0.099 R)
• M19: 3,715,413 km (0.093 R)
• M20: 3,916,921 km (0.1 R)
• M21: 4,095,990 km (0.107 R)
• M22: 4,173,631 km (0.092 R)
• M23: 4,422,861 km (0.077 R)
• M24: 4,676,878 km (0.118 R)
• M25: 4,826,327 km (0.055 R)
• M26: 4,991,034 km (0.084 R)
• M27: 5,101,886 km (0.094 R)
• M28: 5,340,195 km (0.111 R)
• M29: 5,726,307 km (0.071 R)
• M30: 5,915,549 km (0.108 R)
• M31: 6,077,264 km (0.116 R)
• M32: 6,165,975 km (0.098 R)
• M33: 6,390,073 km (0.101 R)
• M34: 6,540,868 km (0.087 R)
• M35: 6,723,377 km (0.088 R)
• M36: 6,907,682 km (0.109 R)
• M37: 7,000,432 km (0.11 R)
• M38: 7,093,632 km (0.119 R)
• M39: 7,171,572 km (0.107 R)
• M40: 7,375,773 km (0.072 R)
• M41: 8,113,291 km (0.05 R)
• M42: 8,824,180 km (0.112 R)
• M43: 9,127,564 km (0.028 R)
• M44: 9,229,590 km (0.096 R)
• M45: 9,366,023 km (0.076 R)
• M46: 9,451,743 km (0.104 R)
• M47: 9,831,722 km (0.098 R)
• M48: 10,006,153 km (0.106 R)
• M49: 10,146,326 km (0.071 R)
• M50: 10,731,852 km (0.079 R)
• M51: 10,803,659 km (0.07 R)
• M52: 11,237,343 km (0.062 R)
• M53: 11,328,448 km (0.115 R)
• M54: 11,401,452 km (0.117 R)
• M55: 11,493,006 km (0.04 R)
• M56: 11,750,614 km (0.12 R)
• M57: 11,935,816 km (0.083 R)
• M58: 12,084,666 km (0.064 R)
• M59: 12,478,258 km (0.096 R)
• M60: 12,610,353 km (0.081 R)
• M61: 12,819,042 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 10.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.67 AU - 2.21 AU

Year: 1718 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 32,156,579 km

• M1: 129,103 km (0.119 R)
• M2: 206,146 km (0.098 R)
• M3: 276,756 km (0.09 R)
• M4: 351,854 km (0.109 R)
• M5: 453,880 km (0.095 R)
• M6: 587,321 km (0.074 R)
• M7: 663,616 km (0.05 R)
• M8: 752,477 km (0.11 R)
• M9: 818,600 km (0.096 R)
• M10: 1,029,981 km (0.101 R)
• M11: 1,134,849 km (0.114 R)
• M12: 1,217,278 km (0.074 R)
• M13: 1,307,186 km (0.093 R)
• M14: 1,399,488 km (0.096 R)
• M15: 1,471,594 km (0.114 R)
• M16: 1,550,732 km (0.071 R)
• M17: 1,672,205 km (0.081 R)
• M18: 1,802,954 km (0.053 R)
• M19: 2,005,659 km (0.046 R)
• M20: 2,340,309 km (0.109 R)
• M21: 2,534,786 km (0.116 R)
• M22: 2,706,674 km (0.081 R)
• M23: 2,804,661 km (0.102 R)
• M24: 2,918,206 km (0.091 R)
• M25: 3,127,792 km (0.113 R)
• M26: 3,342,465 km (0.091 R)
• M27: 3,631,189 km (0.084 R)
• M28: 3,833,296 km (0.058 R)
• M29: 4,111,548 km (0.114 R)
• M30: 4,224,644 km (0.113 R)
• M31: 4,429,144 km (0.114 R)
• M32: 4,595,198 km (0.115 R)
• M33: 4,890,803 km (0.095 R)
• M34: 5,227,548 km (0.081 R)
• M35: 5,474,085 km (0.112 R)
• M36: 5,896,250 km (0.077 R)
• M37: 6,051,683 km (0.054 R)
• M38: 6,273,387 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 9.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.71 AU - 2.53 AU

Year: 1963 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 32,156,579 km

• M1: 115,789 km (0.102 R)
• M2: 316,100 km (0.104 R)
• M3: 413,937 km (0.12 R)
• M4: 481,855 km (0.107 R)
• M5: 576,251 km (0.044 R)
• M6: 740,509 km (0.076 R)
• M7: 826,079 km (0.117 R)
• M8: 893,997 km (0.096 R)
• M9: 969,394 km (0.074 R)
• M10: 1,086,679 km (0.076 R)
• M11: 1,191,098 km (0.111 R)
• M12: 1,256,622 km (0.101 R)
• M13: 1,348,176 km (0.084 R)
• M14: 1,544,448 km (0.066 R)
• M15: 1,622,987 km (0.068 R)
• M16: 1,682,826 km (0.093 R)
• M17: 1,763,759 km (0.057 R)
• M18: 2,122,495 km (0.099 R)
• M19: 2,247,259 km (0.087 R)
• M20: 2,389,527 km (0.099 R)
• M21: 2,503,969 km (0.115 R)
• M22: 2,762,474 km (0.088 R)
• M23: 2,898,908 km (0.079 R)
• M24: 2,955,904 km (0.104 R)
• M25: 3,054,190 km (0.112 R)
• M26: 3,112,234 km (0.107 R)
• M27: 3,195,560 km (0.081 R)
• M28: 3,288,161 km (0.057 R)
• M29: 3,347,552 km (0.048 R)
• M30: 3,424,445 km (0.114 R)
• M31: 3,510,613 km (0.083 R)
• M32: 3,907,347 km (0.119 R)
• M33: 4,115,587 km (0.113 R)
• M34: 4,290,467 km (0.091 R)
• M35: 4,619,133 km (0.116 R)
• M36: 5,470,944 km (0.097 R)
• M37: 5,765,652 km (0.106 R)
• M38: 5,847,781 km (0.076 R)
• M39: 6,170,164 km (0.116 R)
• M40: 6,360,004 km (0.057 R)
• M41: 6,498,232 km (0.048 R)
• M42: 6,616,115 km (0.069 R)
• M43: 6,886,439 km (0.08 R)
• M44: 6,973,804 km (0.091 R)
• M45: 7,061,468 km (0.101 R)
• M46: 7,160,502 km (0.09 R)
• M47: 7,293,345 km (0.12 R)
• M48: 7,360,066 km (0.063 R)
• M49: 7,505,325 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.3

Radius: 9.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.68 AU - 3.06 AU

Year: 3091 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 32,156,579 km

• M1: 145,409 km (0.043 R)
• M2: 271,071 km (0.083 R)
• M3: 467,493 km (0.101 R)
• M4: 559,646 km (0.094 R)
• M5: 658,679 km (0.105 R)
• M6: 1,088,474 km (0.074 R)
• M7: 1,405,023 km (0.109 R)
• M8: 1,523,654 km (0.049 R)
• M9: 1,899,594 km (0.045 R)
• M10: 2,042,460 km (0.12 R)
• M11: 2,109,629 km (0.094 R)
• M12: 2,223,324 km (0.055 R)
• M13: 2,350,631 km (0.113 R)
• M14: 2,480,482 km (0.084 R)
• M15: 2,564,407 km (0.08 R)
• M16: 2,686,030 km (0.06 R)
• M17: 3,415,020 km (0.085 R)
• M18: 3,495,205 km (0.116 R)
• M19: 3,657,518 km (0.048 R)
• M20: 4,668,202 km (0.048 R)
• M21: 5,089,469 km (0.045 R)
• M22: 5,211,990 km (0.067 R)
• M23: 6,081,453 km (0.091 R)
• M24: 6,309,889 km (0.08 R)
• M25: 6,375,712 km (0.066 R)
• M26: 6,607,888 km (0.087 R)
• M27: 6,825,852 km (0.094 R)
• M28: 7,114,725 km (0.034 R)
• M29: 7,200,445 km (0.103 R)
• M30: 7,424,842 km (0.097 R)
• M31: 7,721,793 km (0.11 R)
• M32: 7,880,666 km (0.049 R)
• M33: 7,951,576 km (0.035 R)
• M34: 8,563,132 km (0.103 R)
• M35: 8,672,637 km (0.098 R)
• M36: 9,022,397 km (0.045 R)
• M37: 9,527,589 km (0.105 R)
• M38: 9,812,124 km (0.064 R)
• M39: 10,176,694 km (0.075 R)
• M40: 10,428,617 km (0.063 R)
• M41: 10,623,842 km (0.086 R)
• M42: 11,077,573 km (0.118 R)
• M43: 11,356,872 km (0.084 R)
• M44: 11,598,024 km (0.089 R)
• M45: 11,942,697 km (0.114 R)
• M46: 12,044,723 km (0.043 R)
• M47: 12,331,801 km (0.12 R)
• M48: 12,476,313 km (0.062 R)
• M49: 12,579,835 km (0.113 R)
• M50: 12,933,933 km (0.052 R)
• M51: 13,101,632 km (0.078 R)
• M52: 13,503,003 km (0.039 R)
• M53: 14,404,629 km (0.116 R)
• M54: 14,578,462 km (0.054 R)
• M55: 14,643,836 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 12.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.08 AU - 5.92 AU

Year: 8201 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 32,156,579 km

• M1: 153,936 km (0.042 R)
• M2: 250,427 km (0.036 R)
• M3: 532,419 km (0.066 R)
• M4: 658,979 km (0.084 R)
• M5: 758,461 km (0.05 R)
• M6: 1,180,178 km (0.074 R)
• M7: 1,257,520 km (0.114 R)
• M8: 1,601,445 km (0.047 R)
• M9: 1,865,485 km (0.101 R)
• M10: 2,259,077 km (0.112 R)
• M11: 2,617,364 km (0.104 R)
• M12: 2,887,688 km (0.111 R)
• M13: 3,015,444 km (0.104 R)
• M14: 3,145,295 km (0.096 R)
• M15: 3,276,941 km (0.101 R)
• M16: 3,637,173 km (0.101 R)
• M17: 3,986,634 km (0.107 R)
• M18: 4,274,011 km (0.062 R)
• M19: 4,593,103 km (0.117 R)
• M20: 4,793,415 km (0.1 R)
• M21: 5,202,715 km (0.042 R)
• M22: 5,490,840 km (0.076 R)
• M23: 5,784,052 km (0.055 R)
• M24: 6,082,500 km (0.067 R)
• M25: 6,581,858 km (0.081 R)
• M26: 6,666,380 km (0.045 R)
• M27: 6,779,776 km (0.069 R)
• M28: 7,414,220 km (0.087 R)
• M29: 8,067,813 km (0.068 R)
• M30: 8,218,907 km (0.085 R)
• M31: 8,647,206 km (0.082 R)
• M32: 8,895,239 km (0.087 R)
• M33: 9,114,101 km (0.116 R)
• M34: 9,398,337 km (0.104 R)
• M35: 9,493,630 km (0.081 R)
• M36: 9,975,336 km (0.081 R)
• M37: 11,231,210 km (0.073 R)
• M38: 11,774,848 km (0.072 R)
• M39: 12,641,469 km (0.042 R)
• M40: 12,958,467 km (0.112 R)
• M41: 13,600,541 km (0.094 R)
• M42: 13,853,062 km (0.092 R)
• M43: 14,070,577 km (0.115 R)
• M44: 14,656,552 km (0.095 R)
• M45: 14,989,707 km (0.098 R)
• M46: 15,475,301 km (0.088 R)
• M47: 15,739,042 km (0.106 R)
• M48: 16,808,368 km (0.056 R)
• M49: 17,625,771 km (0.116 R)
• M50: 18,019,662 km (0.112 R)
• M51: 18,695,844 km (0.079 R)
• M52: 19,178,148 km (0.08 R)
• M53: 19,339,863 km (0.072 R)
• M54: 19,542,568 km (0.101 R)
• M55: 19,705,331 km (0.115 R)
• M56: 21,608,664 km (0.117 R)
• M57: 22,199,576 km (0.082 R)
• M58: 22,624,883 km (0.072 R)
• M59: 23,009,948 km (0.075 R)
• M60: 23,267,854 km (0.048 R)
• M61: 23,354,172 km (0.099 R)
• M62: 23,483,575 km (0.071 R)
• M63: 23,613,276 km (0.119 R)
• M64: 23,743,276 km (0.105 R)
• M65: 23,830,043 km (0.081 R)
• M66: 25,543,388 km (0.112 R)
• M67: 25,765,989 km (0.117 R)
• M68: 26,123,379 km (0.109 R)
• M69: 26,257,717 km (0.115 R)
• M70: 27,296,226 km (0.056 R)
• M71: 29,506,235 km (0.03 R)
• M72: 30,020,852 km (0.09 R)
• M73: 30,585,584 km (0.108 R)
• M74: 30,774,526 km (0.082 R)
• M75: 31,773,241 km (0.092 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: 361 - 17,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit