🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

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: 626.5

Radius: 13

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.61 AU - 0.75 AU

Year: 362 Days

Day: 8.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,165,092 km

• M1: 161,715 km (0.115 R)
• M2: 596,148 km (0.09 R)
• M3: 1,174,343 km (0.109 R)
• M4: 1,933,852 km (0.08 R)
• M5: 2,465,672 km (0.064 R)
• M6: 2,900,104 km (0.096 R)
• M7: 3,792,007 km (0.091 R)
• M8: 4,256,807 km (0.074 R)
• M9: 5,003,899 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.1

Radius: 13.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.7 AU - 2.08 AU

Year: 1678 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,165,092 km

• M1: 164,408 km (0.116 R)
• M2: 703,708 km (0.092 R)
• M3: 1,219,223 km (0.109 R)
• M4: 1,976,936 km (0.11 R)
• M5: 2,671,220 km (0.102 R)
• M6: 3,815,344 km (0.1 R)
• M7: 4,352,251 km (0.075 R)
• M8: 6,149,370 km (0.064 R)
• M9: 6,758,533 km (0.093 R)
• M10: 7,661,805 km (0.04 R)
• M11: 11,335,180 km (0.036 R)
• M12: 13,014,267 km (0.12 R)
• M13: 13,637,342 km (0.091 R)
• M14: 14,675,701 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 8.9

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.48 AU - 3.72 AU

Year: 3524 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,165,092 km

• M1: 111,002 km (0.095 R)
• M2: 414,685 km (0.072 R)
• M3: 1,105,229 km (0.107 R)
• M4: 1,706,164 km (0.062 R)
• M5: 1,990,998 km (0.117 R)
• M6: 2,917,308 km (0.097 R)
• M7: 3,820,580 km (0.067 R)
• M8: 4,197,866 km (0.114 R)
• M9: 5,991,993 km (0.066 R)
• M10: 6,595,770 km (0.093 R)
• M11: 7,042,170 km (0.092 R)
• M12: 8,802,937 km (0.09 R)
• M13: 10,926,628 km (0.047 R)
• M14: 11,370,934 km (0.092 R)
• M15: 12,631,446 km (0.055 R)
• M16: 14,190,704 km (0.051 R)
• M17: 16,793,408 km (0.08 R)
• M18: 17,206,448 km (0.06 R)
• M19: 17,747,543 km (0.101 R)
• M20: 18,800,563 km (0.065 R)
• M21: 20,092,041 km (0.058 R)
• M22: 25,774,367 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 11.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.4 AU - 4.58 AU

Year: 6143 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,165,092 km

• M1: 148,850 km (0.111 R)
• M2: 570,117 km (0.098 R)
• M3: 1,003,503 km (0.073 R)
• M4: 1,702,424 km (0.091 R)
• M5: 2,384,590 km (0.081 R)
• M6: 3,158,011 km (0.09 R)
• M7: 3,707,334 km (0.094 R)
• M8: 5,230,690 km (0.056 R)
• M9: 5,654,052 km (0.106 R)
• M10: 7,172,620 km (0.107 R)
• M11: 7,734,958 km (0.096 R)
• M12: 9,689,155 km (0.096 R)
• M13: 10,423,980 km (0.106 R)
• M14: 10,999,183 km (0.063 R)
• M15: 12,530,168 km (0.112 R)
• M16: 13,683,418 km (0.069 R)
• M17: 15,513,449 km (0.064 R)
• M18: 20,089,947 km (0.086 R)
• M19: 25,409,348 km (0.096 R)
• M20: 28,530,259 km (0.028 R)
• M21: 31,204,321 km (0.081 R)
• M22: 31,998,087 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.4

Radius: 13.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.88 AU - 5.56 AU

Year: 6621 Days

Day: 11.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,165,092 km

• M1: 168,746 km (0.044 R)
• M2: 603,478 km (0.097 R)
• M3: 1,395,299 km (0.114 R)
• M4: 2,210,757 km (0.096 R)
• M5: 3,092,637 km (0.084 R)
• M6: 3,778,992 km (0.092 R)
• M7: 4,222,849 km (0.112 R)
• M8: 5,040,850 km (0.038 R)
• M9: 5,769,391 km (0.114 R)
• M10: 6,395,010 km (0.088 R)
• M11: 7,065,657 km (0.093 R)
• M12: 9,362,433 km (0.108 R)
• M13: 10,041,607 km (0.107 R)
• M14: 11,047,504 km (0.084 R)
• M15: 12,926,902 km (0.099 R)
• M16: 14,411,062 km (0.115 R)
• M17: 15,503,276 km (0.106 R)
• M18: 16,519,794 km (0.11 R)
• M19: 19,111,726 km (0.09 R)
• M20: 20,806,221 km (0.102 R)
• M21: 23,822,115 km (0.092 R)
• M22: 25,261,396 km (0.063 R)
• M23: 26,578,904 km (0.112 R)
• M24: 29,350,504 km (0.084 R)
• M25: 30,511,234 km (0.106 R)
• M26: 31,302,008 km (0.089 R)
• M27: 32,309,550 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 11.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.21 AU - 5.59 AU

Year: 8102 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,165,092 km

• M1: 152,590 km (0.112 R)
• M2: 553,213 km (0.115 R)
• M3: 1,186,910 km (0.073 R)
• M4: 2,218,836 km (0.118 R)
• M5: 4,426,152 km (0.107 R)
• M6: 8,230,576 km (0.118 R)
• M7: 12,199,108 km (0.042 R)
• M8: 13,448,998 km (0.072 R)
• M9: 19,917,012 km (0.114 R)
• M10: 21,325,027 km (0.047 R)
• M11: 22,548,289 km (0.105 R)
• M12: 28,588,452 km (0.063 R)
• M13: 30,581,545 km (0.107 R)
• M14: 31,925,682 km (0.08 R)
• M15: 36,998,845 km (0.114 R)
• M16: 39,363,239 km (0.104 R)
• M17: 39,969,709 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.4

Radius: 7.3

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.11 AU - 8.35 AU

Year: 11273 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,165,092 km

• M1: 90,806 km (0.043 R)
• M2: 381,624 km (0.034 R)
• M3: 629,059 km (0.041 R)
• M4: 1,197,381 km (0.088 R)
• M5: 2,303,059 km (0.079 R)
• M6: 2,741,830 km (0.116 R)
• M7: 4,426,451 km (0.104 R)
• M8: 5,537,365 km (0.103 R)
• M9: 7,599,721 km (0.075 R)
• M10: 9,571,571 km (0.094 R)
• M11: 10,074,968 km (0.092 R)
• M12: 10,333,174 km (0.066 R)
• M13: 10,970,909 km (0.102 R)
• M14: 12,149,741 km (0.061 R)
• M15: 12,981,056 km (0.115 R)
• M16: 15,224,725 km (0.096 R)
• M17: 18,782,461 km (0.09 R)
• M18: 19,016,732 km (0.117 R)
• M19: 21,468,342 km (0.091 R)
• M20: 21,896,491 km (0.088 R)
• M21: 23,756,890 km (0.072 R)
• M22: 27,287,100 km (0.108 R)
• M23: 27,890,728 km (0.113 R)
• M24: 28,916,371 km (0.083 R)
• M25: 39,946,222 km (0.112 R)
• M26: 42,578,995 km (0.09 R)
• M27: 47,316,460 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 7.8

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.49 AU - 8.49 AU

Year: 11932 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,165,092 km

• M1: 97,089 km (0.057 R)
• M2: 372,349 km (0.087 R)
• M3: 690,993 km (0.044 R)
• M4: 1,015,919 km (0.089 R)
• M5: 1,883,736 km (0.07 R)
• M6: 2,244,716 km (0.063 R)
• M7: 2,713,257 km (0.113 R)
• M8: 5,667,216 km (0.059 R)
• M9: 6,054,824 km (0.106 R)
• M10: 6,766,012 km (0.041 R)
• M11: 7,742,587 km (0.118 R)
• M12: 8,088,158 km (0.109 R)
• M13: 8,856,493 km (0.101 R)
• M14: 14,650,718 km (0.096 R)
• M15: 14,979,983 km (0.081 R)
• M16: 15,928,284 km (0.103 R)
• M17: 17,498,313 km (0.098 R)
• M18: 18,626,281 km (0.106 R)
• M19: 20,123,756 km (0.095 R)
• M20: 20,860,376 km (0.105 R)
• M21: 23,000,822 km (0.063 R)
• M22: 23,356,267 km (0.096 R)
• M23: 25,472,329 km (0.075 R)
• M24: 27,215,144 km (0.081 R)
• M25: 33,143,707 km (0.099 R)
• M26: 34,285,738 km (0.059 R)
• M27: 45,211,917 km (0.034 R)
• M28: 48,048,592 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.1

Radius: 3.6

Gravity: 26.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.97 AU - 11.61 AU

Year: 21313 Days

Day: 19.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,165,092 km

• M1: 45,029 km (0.119 R)
• M2: 707,748 km (0.084 R)
• M3: 1,259,764 km (0.077 R)
• M4: 1,475,334 km (0.115 R)
• M5: 1,732,044 km (0.079 R)
• M6: 1,888,972 km (0.111 R)
• M7: 3,618,772 km (0.071 R)
• M8: 4,556,153 km (0.094 R)
• M9: 5,240,413 km (0.069 R)
• M10: 5,720,323 km (0.106 R)
• M11: 9,178,428 km (0.078 R)
• M12: 10,094,864 km (0.097 R)
• M13: 13,610,713 km (0.039 R)
• M14: 15,015,437 km (0.116 R)
• M15: 20,155,620 km (0.084 R)
• M16: 31,521,468 km (0.079 R)
• M17: 31,640,698 km (0.118 R)
• M18: 32,849,598 km (0.067 R)
• M19: 39,358,302 km (0.093 R)
• M20: 43,796,871 km (0.103 R)
• M21: 45,448,731 km (0.096 R)
• M22: 45,600,872 km (0.086 R)
• M23: 46,213,026 km (0.117 R)
• M24: 51,144,370 km (0.116 R)
• M25: 56,590,631 km (0.077 R)
• M26: 61,104,896 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 17,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit