🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.4

Radius: 9.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.75 AU - 1.09 AU

Year: 588 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,153,383 km

• M1: 118,482 km (0.05 R)
• M2: 439,967 km (0.109 R)
• M3: 885,320 km (0.1 R)
• M4: 1,331,421 km (0.067 R)
• M5: 1,681,330 km (0.047 R)
• M6: 2,164,831 km (0.091 R)
• M7: 2,635,166 km (0.107 R)
• M8: 3,400,360 km (0.053 R)
• M9: 3,745,332 km (0.078 R)
• M10: 4,190,236 km (0.071 R)
• M11: 4,560,341 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 12

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.18 AU - 1.92 AU

Year: 1287 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,153,383 km

• M1: 149,299 km (0.1 R)
• M2: 543,190 km (0.082 R)
• M3: 1,092,064 km (0.033 R)
• M4: 1,557,912 km (0.111 R)
• M5: 2,272,242 km (0.049 R)
• M6: 2,834,580 km (0.1 R)
• M7: 3,666,943 km (0.111 R)
• M8: 4,096,289 km (0.09 R)
• M9: 5,568,332 km (0.045 R)
• M10: 5,974,640 km (0.098 R)
• M11: 6,646,185 km (0.078 R)
• M12: 9,368,417 km (0.098 R)
• M13: 9,750,191 km (0.092 R)
• M14: 10,819,816 km (0.113 R)
• M15: 11,205,030 km (0.059 R)
• M16: 12,040,235 km (0.033 R)
• M17: 12,799,743 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 12

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.77 AU - 1.81 AU

Year: 1597 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,153,383 km

• M1: 151,094 km (0.077 R)
• M2: 548,725 km (0.117 R)
• M3: 1,024,745 km (0.093 R)
• M4: 1,729,651 km (0.094 R)
• M5: 2,692,313 km (0.111 R)
• M6: 3,153,972 km (0.094 R)
• M7: 3,558,485 km (0.117 R)
• M8: 4,162,112 km (0.108 R)
• M9: 5,055,211 km (0.107 R)
• M10: 5,631,013 km (0.087 R)
• M11: 6,330,982 km (0.073 R)
• M12: 6,765,414 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 9.7

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.94 AU - 1.94 AU

Year: 1802 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,153,383 km

• M1: 120,875 km (0.116 R)
• M2: 445,652 km (0.045 R)
• M3: 889,210 km (0.055 R)
• M4: 1,911,412 km (0.027 R)
• M5: 2,897,112 km (0.073 R)
• M6: 4,886,465 km (0.106 R)
• M7: 5,231,138 km (0.098 R)
• M8: 7,256,993 km (0.087 R)
• M9: 8,516,756 km (0.062 R)
• M10: 11,394,122 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 13.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.61 AU - 2.65 AU

Year: 2844 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,153,383 km

• M1: 164,109 km (0.113 R)
• M2: 614,997 km (0.091 R)
• M3: 1,194,689 km (0.052 R)
• M4: 1,922,482 km (0.088 R)
• M5: 2,769,954 km (0.07 R)
• M6: 3,578,531 km (0.12 R)
• M7: 4,319,938 km (0.106 R)
• M8: 6,064,249 km (0.082 R)
• M9: 7,196,406 km (0.054 R)
• M10: 9,107,518 km (0.077 R)
• M11: 11,865,954 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 10.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.53 AU - 4.43 AU

Year: 5295 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,153,383 km

• M1: 127,906 km (0.045 R)
• M2: 522,845 km (0.066 R)
• M3: 878,439 km (0.118 R)
• M4: 1,270,834 km (0.114 R)
• M5: 2,734,799 km (0.03 R)
• M6: 3,315,388 km (0.036 R)
• M7: 3,860,223 km (0.116 R)
• M8: 5,046,235 km (0.094 R)
• M9: 5,559,655 km (0.114 R)
• M10: 5,890,267 km (0.118 R)
• M11: 8,707,194 km (0.1 R)
• M12: 9,489,143 km (0.106 R)
• M13: 11,383,500 km (0.12 R)
• M14: 11,918,762 km (0.061 R)
• M15: 12,419,765 km (0.093 R)
• M16: 13,463,958 km (0.05 R)
• M17: 15,254,944 km (0.043 R)
• M18: 16,268,469 km (0.088 R)
• M19: 16,822,879 km (0.115 R)
• M20: 19,031,841 km (0.074 R)
• M21: 19,578,472 km (0.1 R)
• M22: 19,925,389 km (0.088 R)
• M23: 22,319,105 km (0.11 R)
• M24: 22,850,476 km (0.074 R)
• M25: 23,235,092 km (0.099 R)
• M26: 25,552,364 km (0.091 R)
• M27: 29,719,412 km (0.117 R)
• M28: 31,109,176 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 12

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5 AU - 6.24 AU

Year: 8885 Days

Day: 8.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,153,383 km

• M1: 150,346 km (0.111 R)
• M2: 637,736 km (0.062 R)
• M3: 1,608,327 km (0.057 R)
• M4: 2,191,908 km (0.087 R)
• M5: 2,644,292 km (0.099 R)
• M6: 3,531,258 km (0.116 R)
• M7: 5,029,780 km (0.057 R)
• M8: 5,665,571 km (0.074 R)
• M9: 6,808,199 km (0.095 R)
• M10: 8,058,538 km (0.117 R)
• M11: 8,549,369 km (0.07 R)
• M12: 9,016,712 km (0.111 R)
• M13: 10,095,762 km (0.095 R)
• M14: 10,474,095 km (0.116 R)
• M15: 11,512,454 km (0.089 R)
• M16: 13,168,951 km (0.115 R)
• M17: 17,894,299 km (0.077 R)
• M18: 18,802,358 km (0.12 R)
• M19: 19,814,238 km (0.067 R)
• M20: 22,104,581 km (0.069 R)
• M21: 24,481,392 km (0.049 R)
• M22: 26,394,600 km (0.065 R)
• M23: 28,971,423 km (0.104 R)
• M24: 31,110,373 km (0.06 R)
• M25: 32,730,668 km (0.106 R)
• M26: 33,352,546 km (0.113 R)
• M27: 34,300,249 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.9

Radius: 3.5

Gravity: 61.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.64 AU - 7.16 AU

Year: 10797 Days

Day: 18 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,153,383 km

• M1: 44,131 km (0.105 R)
• M2: 212,429 km (0.072 R)
• M3: 540,048 km (0.064 R)
• M4: 719,865 km (0.115 R)
• M5: 848,070 km (0.117 R)
• M6: 1,035,367 km (0.109 R)
• M7: 1,224,608 km (0.108 R)
• M8: 1,507,498 km (0.076 R)
• M9: 2,183,381 km (0.084 R)
• M10: 2,556,777 km (0.095 R)
• M11: 2,902,947 km (0.098 R)
• M12: 3,767,922 km (0.111 R)
• M13: 4,157,774 km (0.07 R)
• M14: 4,362,424 km (0.065 R)
• M15: 6,325,596 km (0.091 R)
• M16: 9,542,399 km (0.037 R)
• M17: 9,693,942 km (0.113 R)
• M18: 12,343,021 km (0.069 R)
• M19: 14,026,446 km (0.101 R)
• M20: 14,354,215 km (0.115 R)
• M21: 15,998,595 km (0.102 R)
• M22: 16,212,669 km (0.041 R)
• M23: 17,688,452 km (0.106 R)
• M24: 19,737,494 km (0.077 R)
• M25: 25,735,770 km (0.078 R)
• M26: 26,029,581 km (0.063 R)
• M27: 26,424,818 km (0.035 R)
• M28: 26,623,783 km (0.083 R)
• M29: 28,356,875 km (0.072 R)
• M30: 32,271,851 km (0.117 R)
• M31: 38,031,668 km (0.068 R)
• M32: 41,019,138 km (0.029 R)
• M33: 49,239,242 km (0.028 R)
• M34: 50,912,793 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 13,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit