🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 11.8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.65 AU - 0.73 AU

Year: 370 Days

Day: 8.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,026,422 km

• M1: 147,055 km (0.084 R)
• M2: 540,946 km (0.08 R)
• M3: 958,773 km (0.091 R)
• M4: 1,374,356 km (0.096 R)
• M5: 2,079,710 km (0.078 R)
• M6: 2,501,875 km (0.102 R)
• M7: 2,960,542 km (0.089 R)
• M8: 3,346,654 km (0.08 R)
• M9: 3,716,909 km (0.025 R)
• M10: 4,303,632 km (0.063 R)
• M11: 4,861,332 km (0.111 R)
• M12: 5,243,854 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 10.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.55 AU - 2.21 AU

Year: 1664 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,026,422 km

• M1: 126,859 km (0.053 R)
• M2: 624,870 km (0.106 R)
• M3: 1,486,704 km (0.068 R)
• M4: 2,221,528 km (0.095 R)
• M5: 3,089,046 km (0.104 R)
• M6: 3,678,163 km (0.112 R)
• M7: 4,000,097 km (0.103 R)
• M8: 4,670,146 km (0.103 R)
• M9: 5,032,472 km (0.037 R)
• M10: 5,885,330 km (0.099 R)
• M11: 6,576,322 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 13.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.37 AU - 2.77 AU

Year: 2660 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,026,422 km

• M1: 170,392 km (0.085 R)
• M2: 1,724,115 km (0.108 R)
• M3: 2,623,348 km (0.118 R)
• M4: 3,059,725 km (0.092 R)
• M5: 3,633,732 km (0.11 R)
• M6: 4,911,448 km (0.065 R)
• M7: 5,678,286 km (0.1 R)
• M8: 6,658,751 km (0.115 R)
• M9: 7,247,418 km (0.104 R)
• M10: 8,401,117 km (0.117 R)
• M11: 8,855,895 km (0.1 R)
• M12: 9,603,884 km (0.115 R)
• M13: 11,382,304 km (0.103 R)
• M14: 12,021,386 km (0.055 R)
• M15: 12,768,777 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 13.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.66 AU - 3.08 AU

Year: 3139 Days

Day: 11.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,026,422 km

• M1: 164,558 km (0.079 R)
• M2: 618,587 km (0.034 R)
• M3: 1,056,759 km (0.108 R)
• M4: 1,571,825 km (0.045 R)
• M5: 2,213,899 km (0.09 R)
• M6: 2,719,689 km (0.057 R)
• M7: 3,284,870 km (0.12 R)
• M8: 4,258,453 km (0.078 R)
• M9: 4,929,848 km (0.089 R)
• M10: 5,340,943 km (0.093 R)
• M11: 5,854,064 km (0.106 R)
• M12: 6,831,686 km (0.06 R)
• M13: 7,344,507 km (0.059 R)
• M14: 8,145,305 km (0.078 R)
• M15: 10,981,381 km (0.108 R)
• M16: 11,560,026 km (0.115 R)
• M17: 13,142,023 km (0.084 R)
• M18: 15,114,621 km (0.114 R)
• M19: 15,831,494 km (0.078 R)
• M20: 17,722,710 km (0.074 R)
• M21: 19,222,130 km (0.03 R)
• M22: 19,639,807 km (0.117 R)
• M23: 20,308,659 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.4

Radius: 9.7

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.39 AU - 3.65 AU

Year: 3389 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,026,422 km

• M1: 121,025 km (0.12 R)
• M2: 425,905 km (0.09 R)
• M3: 755,918 km (0.094 R)
• M4: 1,061,846 km (0.075 R)
• M5: 1,637,797 km (0.078 R)
• M6: 1,965,267 km (0.099 R)
• M7: 2,788,205 km (0.072 R)
• M8: 3,544,722 km (0.06 R)
• M9: 4,056,496 km (0.084 R)
• M10: 4,806,879 km (0.1 R)
• M11: 5,279,309 km (0.116 R)
• M12: 6,823,458 km (0.034 R)
• M13: 7,518,639 km (0.109 R)
• M14: 8,087,410 km (0.111 R)
• M15: 8,435,226 km (0.06 R)
• M16: 9,235,873 km (0.059 R)
• M17: 9,577,704 km (0.099 R)
• M18: 11,285,813 km (0.088 R)
• M19: 11,809,106 km (0.114 R)
• M20: 14,065,790 km (0.118 R)
• M21: 14,723,273 km (0.073 R)
• M22: 16,539,989 km (0.052 R)
• M23: 17,967,751 km (0.118 R)
• M24: 18,923,682 km (0.058 R)
• M25: 20,484,586 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 8.7

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.41 AU - 3.47 AU

Year: 4120 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,026,422 km

• M1: 141,968 km (0.118 R)
• M2: 435,180 km (0.071 R)
• M3: 717,172 km (0.112 R)
• M4: 1,491,341 km (0.096 R)
• M5: 2,335,223 km (0.098 R)
• M6: 2,622,600 km (0.081 R)
• M7: 4,245,887 km (0.102 R)
• M8: 5,739,622 km (0.116 R)
• M9: 6,117,506 km (0.114 R)
• M10: 8,153,383 km (0.109 R)
• M11: 9,011,925 km (0.092 R)
• M12: 10,305,199 km (0.028 R)
• M13: 11,353,282 km (0.082 R)
• M14: 13,456,628 km (0.092 R)
• M15: 20,222,939 km (0.09 R)
• M16: 22,071,221 km (0.091 R)
• M17: 25,397,380 km (0.096 R)
• M18: 25,943,263 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 9.6

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.42 AU - 5.26 AU

Year: 6875 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 30,026,422 km

• M1: 119,379 km (0.041 R)
• M2: 539,001 km (0.091 R)
• M3: 1,408,314 km (0.104 R)
• M4: 1,828,984 km (0.067 R)
• M5: 3,052,245 km (0.035 R)
• M6: 3,406,493 km (0.105 R)
• M7: 3,888,049 km (0.054 R)
• M8: 4,359,581 km (0.082 R)
• M9: 5,017,513 km (0.091 R)
• M10: 5,417,836 km (0.101 R)
• M11: 8,713,478 km (0.048 R)
• M12: 9,022,547 km (0.088 R)
• M13: 10,089,778 km (0.109 R)
• M14: 10,480,228 km (0.1 R)
• M15: 12,143,308 km (0.089 R)
• M16: 12,641,170 km (0.075 R)
• M17: 14,894,862 km (0.078 R)
• M18: 17,824,287 km (0.111 R)
• M19: 18,323,346 km (0.098 R)
• M20: 20,413,228 km (0.119 R)
• M21: 21,355,694 km (0.111 R)
• M22: 22,907,024 km (0.115 R)
• M23: 24,357,525 km (0.069 R)
• M24: 25,149,796 km (0.081 R)
• M25: 27,534,984 km (0.096 R)
• M26: 28,202,041 km (0.071 R)
• M27: 32,963,442 km (0.081 R)
• M28: 34,041,295 km (0.112 R)
• M29: 36,838,775 km (0.118 R)
• M30: 37,999,505 km (0.079 R)
• M31: 38,707,551 km (0.054 R)
• M32: 41,131,187 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 8.4

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.66 AU - 5.64 AU

Year: 7546 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,026,422 km

• M1: 104,419 km (0.091 R)
• M2: 450,140 km (0.061 R)
• M3: 781,649 km (0.079 R)
• M4: 1,130,661 km (0.09 R)
• M5: 1,475,484 km (0.083 R)
• M6: 1,738,926 km (0.108 R)
• M7: 2,117,109 km (0.119 R)
• M8: 2,686,628 km (0.118 R)
• M9: 3,040,128 km (0.109 R)
• M10: 3,616,529 km (0.088 R)
• M11: 3,918,118 km (0.096 R)
• M12: 4,402,067 km (0.087 R)
• M13: 7,088,845 km (0.109 R)
• M14: 9,579,649 km (0.09 R)
• M15: 10,208,858 km (0.098 R)
• M16: 11,603,708 km (0.091 R)
• M17: 14,389,969 km (0.075 R)
• M18: 14,957,992 km (0.093 R)
• M19: 15,871,137 km (0.091 R)
• M20: 19,209,115 km (0.032 R)
• M21: 24,915,675 km (0.105 R)
• M22: 25,459,613 km (0.057 R)
• M23: 26,104,230 km (0.076 R)
• M24: 27,521,969 km (0.087 R)
• M25: 29,390,746 km (0.114 R)
• M26: 35,502,567 km (0.115 R)
• M27: 39,279,464 km (0.115 R)
• M28: 39,769,696 km (0.108 R)
• M29: 42,410,398 km (0.082 R)
• M30: 42,796,959 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.8

Radius: 12.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.46 AU - 5.68 AU

Year: 8488 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,026,422 km

• M1: 157,975 km (0.087 R)
• M2: 591,660 km (0.035 R)
• M3: 1,250,489 km (0.109 R)
• M4: 3,678,911 km (0.081 R)
• M5: 4,433,632 km (0.069 R)
• M6: 4,964,256 km (0.101 R)
• M7: 7,300,675 km (0.064 R)
• M8: 7,954,867 km (0.083 R)
• M9: 12,652,390 km (0.062 R)
• M10: 13,387,962 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.3

Radius: 4.6

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.26 AU - 7.32 AU

Year: 10186 Days

Day: 21.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,026,422 km

• M1: 57,296 km (0.116 R)
• M2: 276,008 km (0.114 R)
• M3: 446,101 km (0.1 R)
• M4: 1,245,552 km (0.101 R)
• M5: 1,727,706 km (0.101 R)
• M6: 2,137,903 km (0.09 R)
• M7: 2,423,336 km (0.077 R)
• M8: 5,874,409 km (0.043 R)
• M9: 8,440,312 km (0.094 R)
• M10: 9,605,829 km (0.068 R)
• M11: 14,499,026 km (0.093 R)
• M12: 15,516,740 km (0.114 R)
• M13: 16,641,866 km (0.109 R)
• M14: 17,317,450 km (0.106 R)
• M15: 21,327,271 km (0.116 R)
• M16: 22,865,287 km (0.064 R)
• M17: 23,241,974 km (0.107 R)
• M18: 24,163,198 km (0.032 R)
• M19: 25,590,062 km (0.106 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: 543 - 12,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit