🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 12.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.52 AU - 0.64 AU

Year: 310 Days

Day: 6 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,631,307 km

• M1: 159,172 km (0.116 R)
• M2: 698,921 km (0.113 R)
• M3: 1,813,126 km (0.061 R)
• M4: 2,825,006 km (0.106 R)
• M5: 4,360,180 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 9.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.63 AU - 0.85 AU

Year: 447 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,631,307 km

• M1: 121,922 km (0.119 R)
• M2: 472,280 km (0.104 R)
• M3: 956,828 km (0.101 R)
• M4: 1,263,055 km (0.057 R)
• M5: 1,669,213 km (0.111 R)
• M6: 2,043,806 km (0.072 R)
• M7: 2,395,660 km (0.052 R)
• M8: 3,097,274 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 10.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.98 AU - 1.04 AU

Year: 713 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,631,307 km

• M1: 125,812 km (0.06 R)
• M2: 442,511 km (0.107 R)
• M3: 776,712 km (0.088 R)
• M4: 1,225,805 km (0.102 R)
• M5: 1,645,876 km (0.077 R)
• M6: 2,362,300 km (0.088 R)
• M7: 2,715,501 km (0.034 R)
• M8: 3,635,079 km (0.117 R)
• M9: 4,240,651 km (0.072 R)
• M10: 4,879,434 km (0.096 R)
• M11: 5,230,839 km (0.088 R)
• M12: 5,854,213 km (0.046 R)
• M13: 6,368,381 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 11.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.07 AU - 1.59 AU

Year: 1078 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,631,307 km

• M1: 141,968 km (0.057 R)
• M2: 700,268 km (0.055 R)
• M3: 1,424,770 km (0.109 R)
• M4: 2,058,168 km (0.116 R)
• M5: 2,610,034 km (0.077 R)
• M6: 3,204,536 km (0.096 R)
• M7: 3,669,486 km (0.118 R)
• M8: 4,153,286 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 8.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.29 AU - 3.27 AU

Year: 3258 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 58 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,631,307 km

• M1: 110,702 km (0.051 R)
• M2: 589,864 km (0.119 R)
• M3: 1,062,145 km (0.06 R)
• M4: 1,616,854 km (0.091 R)
• M5: 2,635,316 km (0.06 R)
• M6: 4,438,868 km (0.099 R)
• M7: 5,486,053 km (0.072 R)
• M8: 5,800,358 km (0.089 R)
• M9: 6,465,321 km (0.073 R)
• M10: 7,313,242 km (0.109 R)
• M11: 9,260,258 km (0.044 R)
• M12: 10,068,086 km (0.045 R)
• M13: 11,098,666 km (0.069 R)
• M14: 11,384,996 km (0.093 R)
• M15: 12,464,495 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 12

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.49 AU - 3.69 AU

Year: 3818 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,631,307 km

• M1: 149,299 km (0.119 R)
• M2: 562,488 km (0.065 R)
• M3: 1,272,031 km (0.11 R)
• M4: 1,894,208 km (0.11 R)
• M5: 2,298,571 km (0.106 R)
• M6: 2,963,085 km (0.062 R)
• M7: 3,691,477 km (0.093 R)
• M8: 4,724,002 km (0.042 R)
• M9: 5,399,286 km (0.111 R)
• M10: 6,137,701 km (0.091 R)
• M11: 7,004,771 km (0.066 R)
• M12: 7,550,055 km (0.117 R)
• M13: 8,367,906 km (0.059 R)
• M14: 9,940,180 km (0.08 R)
• M15: 11,350,589 km (0.034 R)
• M16: 12,985,245 km (0.066 R)
• M17: 15,189,869 km (0.116 R)
• M18: 15,723,783 km (0.096 R)
• M19: 17,985,853 km (0.072 R)
• M20: 18,644,233 km (0.1 R)
• M21: 19,071,485 km (0.083 R)
• M22: 20,716,014 km (0.101 R)
• M23: 21,908,608 km (0.057 R)
• M24: 22,659,739 km (0.079 R)
• M25: 23,854,128 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 13.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.01 AU - 4.15 AU

Year: 4761 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,631,307 km

• M1: 168,148 km (0.112 R)
• M2: 613,052 km (0.106 R)
• M3: 1,095,206 km (0.066 R)
• M4: 1,515,576 km (0.078 R)
• M5: 2,145,084 km (0.11 R)
• M6: 2,898,160 km (0.043 R)
• M7: 3,654,975 km (0.073 R)
• M8: 4,582,482 km (0.119 R)
• M9: 5,067,927 km (0.05 R)
• M10: 7,483,484 km (0.118 R)
• M11: 9,078,496 km (0.041 R)
• M12: 9,812,124 km (0.118 R)
• M13: 11,517,540 km (0.064 R)
• M14: 12,461,951 km (0.074 R)
• M15: 13,457,376 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 14.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.96 AU - 6.3 AU

Year: 8167 Days

Day: 8.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,631,307 km

• M1: 178,021 km (0.034 R)
• M2: 888,761 km (0.063 R)
• M3: 1,671,008 km (0.113 R)
• M4: 2,663,590 km (0.097 R)
• M5: 3,476,954 km (0.114 R)
• M6: 4,046,323 km (0.112 R)
• M7: 5,279,608 km (0.067 R)
• M8: 7,481,689 km (0.047 R)
• M9: 9,011,776 km (0.109 R)
• M10: 11,631,982 km (0.104 R)
• M11: 13,859,944 km (0.106 R)
• M12: 15,625,946 km (0.114 R)
• M13: 17,823,240 km (0.107 R)
• M14: 18,921,139 km (0.08 R)
• M15: 21,658,181 km (0.038 R)
• M16: 23,942,690 km (0.093 R)
• M17: 24,560,230 km (0.087 R)
• M18: 25,735,471 km (0.042 R)
• M19: 26,947,962 km (0.113 R)
• M20: 32,501,783 km (0.055 R)
• M21: 37,579,135 km (0.113 R)
• M22: 43,422,428 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 10.7

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.17 AU - 5.67 AU

Year: 8870 Days

Day: 7.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 33,631,307 km

• M1: 135,386 km (0.063 R)
• M2: 615,446 km (0.102 R)
• M3: 1,158,336 km (0.081 R)
• M4: 2,102,299 km (0.118 R)
• M5: 2,738,239 km (0.081 R)
• M6: 3,091,141 km (0.095 R)
• M7: 3,915,126 km (0.11 R)
• M8: 4,365,415 km (0.075 R)
• M9: 5,120,885 km (0.075 R)
• M10: 7,710,723 km (0.103 R)
• M11: 10,019,317 km (0.093 R)
• M12: 10,967,319 km (0.115 R)
• M13: 11,703,490 km (0.062 R)
• M14: 15,172,066 km (0.116 R)
• M15: 15,689,825 km (0.116 R)
• M16: 16,085,810 km (0.109 R)
• M17: 16,966,942 km (0.065 R)
• M18: 20,111,190 km (0.058 R)
• M19: 20,894,634 km (0.097 R)
• M20: 22,522,259 km (0.105 R)
• M21: 23,710,814 km (0.047 R)
• M22: 24,320,575 km (0.094 R)
• M23: 27,242,071 km (0.057 R)
• M24: 27,910,924 km (0.069 R)
• M25: 28,885,554 km (0.1 R)
• M26: 31,734,944 km (0.114 R)
• M27: 32,262,875 km (0.09 R)
• M28: 33,011,762 km (0.114 R)
• M29: 34,655,394 km (0.079 R)
• M30: 37,280,537 km (0.058 R)
• M31: 39,425,472 km (0.095 R)
• M32: 40,404,590 km (0.107 R)
• M33: 41,903,710 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.7

Radius: 5

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.31 AU - 6.73 AU

Year: 9116 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,631,307 km

• M1: 62,233 km (0.095 R)
• M2: 465,249 km (0.07 R)
• M3: 708,346 km (0.046 R)
• M4: 950,545 km (0.1 R)
• M5: 1,151,904 km (0.079 R)
• M6: 1,538,764 km (0.101 R)
• M7: 2,825,305 km (0.093 R)
• M8: 3,040,278 km (0.112 R)
• M9: 4,183,205 km (0.112 R)
• M10: 5,377,595 km (0.08 R)
• M11: 6,344,595 km (0.097 R)
• M12: 6,544,458 km (0.102 R)
• M13: 7,313,092 km (0.071 R)
• M14: 9,238,566 km (0.08 R)
• M15: 9,409,407 km (0.055 R)
• M16: 9,889,766 km (0.099 R)
• M17: 10,946,675 km (0.104 R)
• M18: 11,824,964 km (0.116 R)
• M19: 12,332,549 km (0.086 R)
• M20: 14,682,133 km (0.034 R)
• M21: 15,268,557 km (0.117 R)
• M22: 16,675,974 km (0.11 R)
• M23: 17,508,636 km (0.048 R)
• M24: 17,836,255 km (0.09 R)
• M25: 18,911,714 km (0.052 R)
• M26: 20,388,095 km (0.063 R)
• M27: 20,896,878 km (0.087 R)
• M28: 21,265,337 km (0.076 R)
• M29: 21,563,336 km (0.059 R)
• M30: 24,534,051 km (0.095 R)
• M31: 25,442,409 km (0.047 R)
• M32: 32,535,592 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 16,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit