🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.68 AU - 0.84 AU

Year: 251 Days

Day: 17.3 Hours

Environment

Temp: 100 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 8

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.41 AU - 5.15 AU

Year: 3958 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,645,729 km

• M1: 99,782 km (0.075 R)
• M2: 558,449 km (0.079 R)
• M3: 855,550 km (0.074 R)
• M4: 1,161,777 km (0.039 R)
• M5: 2,279,722 km (0.074 R)
• M6: 2,807,503 km (0.1 R)
• M7: 3,063,016 km (0.065 R)
• M8: 6,178,542 km (0.113 R)
• M9: 8,223,844 km (0.072 R)
• M10: 8,484,294 km (0.095 R)
• M11: 8,750,279 km (0.075 R)
• M12: 11,218,793 km (0.041 R)
• M13: 11,493,305 km (0.098 R)
• M14: 16,697,366 km (0.051 R)
• M15: 17,541,248 km (0.073 R)
• M16: 18,539,963 km (0.104 R)
• M17: 26,699,181 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 8.9

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.99 AU - 10.71 AU

Year: 11709 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,645,729 km

• M1: 111,450 km (0.065 R)
• M2: 592,707 km (0.097 R)
• M3: 1,086,529 km (0.113 R)
• M4: 1,583,493 km (0.084 R)
• M5: 1,869,375 km (0.064 R)
• M6: 3,261,084 km (0.069 R)
• M7: 3,939,510 km (0.061 R)
• M8: 4,529,824 km (0.111 R)
• M9: 5,049,826 km (0.06 R)
• M10: 6,430,764 km (0.092 R)
• M11: 7,536,741 km (0.06 R)
• M12: 7,832,047 km (0.114 R)
• M13: 8,627,160 km (0.118 R)
• M14: 9,186,506 km (0.119 R)
• M15: 10,377,455 km (0.082 R)
• M16: 13,063,185 km (0.083 R)
• M17: 14,372,017 km (0.119 R)
• M18: 16,673,131 km (0.091 R)
• M19: 18,514,532 km (0.042 R)
• M20: 22,336,458 km (0.066 R)
• M21: 23,479,835 km (0.082 R)
• M22: 28,040,326 km (0.042 R)
• M23: 32,598,423 km (0.038 R)
• M24: 33,953,481 km (0.096 R)
• M25: 36,414,515 km (0.057 R)
• M26: 37,017,544 km (0.107 R)
• M27: 40,133,070 km (0.081 R)
• M28: 41,296,193 km (0.091 R)
• M29: 44,097,264 km (0.093 R)
• M30: 46,314,753 km (0.093 R)
• M31: 47,165,067 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.9

Radius: 10.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.81 AU - 12.11 AU

Year: 11905 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,645,729 km

• M1: 131,497 km (0.07 R)
• M2: 457,769 km (0.061 R)
• M3: 814,411 km (0.045 R)
• M4: 1,153,699 km (0.101 R)
• M5: 1,695,692 km (0.11 R)
• M6: 2,778,481 km (0.061 R)
• M7: 3,268,115 km (0.089 R)
• M8: 4,606,268 km (0.1 R)
• M9: 4,991,632 km (0.1 R)
• M10: 8,230,875 km (0.113 R)
• M11: 8,751,924 km (0.061 R)
• M12: 10,778,377 km (0.091 R)
• M13: 16,317,687 km (0.028 R)
• M14: 17,293,364 km (0.102 R)
• M15: 18,627,179 km (0.075 R)
• M16: 19,692,465 km (0.095 R)
• M17: 26,441,573 km (0.027 R)
• M18: 27,891,476 km (0.099 R)
• M19: 31,175,897 km (0.082 R)
• M20: 34,223,804 km (0.1 R)
• M21: 36,320,717 km (0.117 R)
• M22: 40,769,010 km (0.052 R)
• M23: 45,421,354 km (0.103 R)
• M24: 49,172,970 km (0.094 R)
• M25: 50,572,607 km (0.062 R)
• M26: 54,270,068 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 11.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.73 AU - 12.95 AU

Year: 13517 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,645,729 km

• M1: 148,251 km (0.11 R)
• M2: 1,339,499 km (0.087 R)
• M3: 1,869,225 km (0.059 R)
• M4: 2,475,246 km (0.118 R)
• M5: 4,437,522 km (0.097 R)
• M6: 4,813,162 km (0.078 R)
• M7: 6,328,140 km (0.068 R)
• M8: 7,243,080 km (0.066 R)
• M9: 9,072,363 km (0.112 R)
• M10: 10,074,519 km (0.038 R)
• M11: 10,685,327 km (0.109 R)
• M12: 11,582,017 km (0.058 R)
• M13: 12,161,708 km (0.107 R)
• M14: 13,427,905 km (0.077 R)
• M15: 15,892,679 km (0.118 R)
• M16: 21,235,867 km (0.105 R)
• M17: 22,377,448 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.2

Radius: 12.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 9.53 AU - 13.61 AU

Year: 14906 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,645,729 km

• M1: 173,683 km (0.107 R)
• M2: 626,067 km (0.107 R)
• M3: 1,418,786 km (0.116 R)
• M4: 1,921,136 km (0.093 R)
• M5: 2,374,866 km (0.084 R)
• M6: 3,638,370 km (0.113 R)
• M7: 6,745,518 km (0.085 R)
• M8: 9,658,787 km (0.109 R)
• M9: 12,475,864 km (0.064 R)
• M10: 13,257,962 km (0.07 R)
• M11: 14,072,373 km (0.066 R)
• M12: 16,407,745 km (0.058 R)
• M13: 24,847,758 km (0.119 R)
• M14: 32,289,653 km (0.066 R)
• M15: 42,969,894 km (0.074 R)
• M16: 50,066,518 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.8

Radius: 8

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 11.68 AU - 12.24 AU

Year: 15666 Days

Day: 21.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,645,729 km

• M1: 100,530 km (0.11 R)
• M2: 428,448 km (0.102 R)
• M3: 1,508,994 km (0.102 R)
• M4: 1,937,592 km (0.118 R)
• M5: 2,320,712 km (0.087 R)
• M6: 3,449,428 km (0.072 R)
• M7: 3,781,385 km (0.11 R)
• M8: 4,672,839 km (0.113 R)
• M9: 5,773,281 km (0.084 R)
• M10: 8,476,664 km (0.08 R)
• M11: 9,187,104 km (0.118 R)
• M12: 10,158,144 km (0.072 R)
• M13: 11,136,514 km (0.111 R)
• M14: 12,302,779 km (0.027 R)
• M15: 16,135,626 km (0.105 R)
• M16: 17,145,711 km (0.025 R)
• M17: 19,549,749 km (0.109 R)
• M18: 20,250,615 km (0.075 R)
• M19: 20,787,223 km (0.065 R)
• M20: 21,425,108 km (0.109 R)
• M21: 24,207,628 km (0.098 R)
• M22: 25,015,606 km (0.118 R)
• M23: 26,366,774 km (0.117 R)
• M24: 26,899,193 km (0.09 R)
• M25: 27,875,618 km (0.099 R)
• M26: 32,624,453 km (0.096 R)
• M27: 33,485,838 km (0.106 R)
• M28: 34,362,182 km (0.052 R)
• M29: 36,685,736 km (0.098 R)
• M30: 37,349,203 km (0.09 R)
• M31: 37,885,810 km (0.102 R)
• M32: 40,646,340 km (0.12 R)
• M33: 43,686,169 km (0.112 R)
• M34: 44,281,867 km (0.073 R)
• M35: 44,581,661 km (0.118 R)
• M36: 49,565,963 km (0.081 R)
• M37: 53,200,144 km (0.073 R)
• M38: 55,952,147 km (0.111 R)
• M39: 61,365,346 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.2

Radius: 7

Gravity: 20.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 10.78 AU - 15.04 AU

Year: 17569 Days

Day: 23.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,645,729 km

• M1: 87,066 km (0.113 R)
• M2: 561,441 km (0.106 R)
• M3: 1,470,098 km (0.116 R)
• M4: 2,066,395 km (0.096 R)
• M5: 2,593,728 km (0.078 R)
• M6: 4,683,461 km (0.096 R)
• M7: 6,213,548 km (0.09 R)
• M8: 11,279,679 km (0.096 R)
• M9: 12,069,556 km (0.065 R)
• M10: 14,055,019 km (0.103 R)
• M11: 15,125,093 km (0.111 R)
• M12: 15,599,916 km (0.103 R)
• M13: 17,773,274 km (0.11 R)
• M14: 19,114,868 km (0.078 R)
• M15: 19,763,375 km (0.096 R)
• M16: 21,998,068 km (0.113 R)
• M17: 22,505,204 km (0.067 R)
• M18: 22,813,226 km (0.08 R)
• M19: 23,332,929 km (0.044 R)
• M20: 27,309,989 km (0.064 R)
• M21: 29,092,597 km (0.113 R)
• M22: 31,205,069 km (0.093 R)
• M23: 32,494,303 km (0.036 R)
• M24: 32,756,399 km (0.079 R)
• M25: 34,222,906 km (0.097 R)
• M26: 36,433,514 km (0.116 R)
• M27: 37,286,372 km (0.093 R)
• M28: 39,179,982 km (0.034 R)
• M29: 41,136,871 km (0.065 R)
• M30: 43,792,832 km (0.099 R)
• M31: 52,083,995 km (0.086 R)
• M32: 67,129,202 km (0.079 R)
• M33: 68,625,330 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429

Radius: 7.4

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 16.83 AU - 21.07 AU

Year: 31244 Days

Day: 23.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,645,729 km

• M1: 96,042 km (0.086 R)
• M2: 430,842 km (0.117 R)
• M3: 741,257 km (0.101 R)
• M4: 1,213,837 km (0.03 R)
• M5: 2,316,972 km (0.095 R)
• M6: 2,625,293 km (0.026 R)
• M7: 3,125,399 km (0.066 R)
• M8: 3,656,172 km (0.078 R)
• M9: 3,976,012 km (0.068 R)
• M10: 4,562,885 km (0.093 R)
• M11: 5,737,527 km (0.076 R)
• M12: 7,004,771 km (0.107 R)
• M13: 8,177,169 km (0.057 R)
• M14: 8,503,442 km (0.114 R)
• M15: 9,357,347 km (0.116 R)
• M16: 10,905,386 km (0.086 R)
• M17: 13,126,764 km (0.115 R)
• M18: 15,385,692 km (0.106 R)
• M19: 16,563,775 km (0.103 R)
• M20: 17,620,385 km (0.069 R)
• M21: 18,165,370 km (0.057 R)
• M22: 19,003,567 km (0.072 R)
• M23: 20,857,683 km (0.087 R)
• M24: 21,673,291 km (0.109 R)
• M25: 24,921,659 km (0.097 R)
• M26: 33,044,374 km (0.079 R)
• M27: 33,456,816 km (0.108 R)
• M28: 37,028,764 km (0.103 R)
• M29: 37,622,817 km (0.111 R)
• M30: 40,063,207 km (0.082 R)
• M31: 41,481,246 km (0.057 R)
• M32: 43,918,494 km (0.091 R)
• M33: 53,293,643 km (0.082 R)
• M34: 53,671,378 km (0.077 R)
• M35: 70,971,773 km (0.073 R)
• M36: 73,745,018 km (0.098 R)
• M37: 77,312,180 km (0.09 R)
• M38: 78,770,609 km (0.029 R)
• M39: 85,045,342 km (0.035 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 16,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit