🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 9.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.79 AU - 1.07 AU

Year: 608 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,286,822 km

• M1: 121,922 km (0.086 R)
• M2: 590,612 km (0.033 R)
• M3: 959,521 km (0.102 R)
• M4: 1,483,861 km (0.106 R)
• M5: 1,798,615 km (0.082 R)
• M6: 2,224,371 km (0.049 R)
• M7: 2,697,698 km (0.111 R)
• M8: 4,020,443 km (0.075 R)
• M9: 4,628,109 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 9

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.96 AU - 1.08 AU

Year: 699 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,286,822 km

• M1: 111,899 km (0.107 R)
• M2: 399,726 km (0.076 R)
• M3: 759,508 km (0.116 R)
• M4: 1,301,950 km (0.108 R)
• M5: 1,824,047 km (0.067 R)
• M6: 2,154,359 km (0.07 R)
• M7: 2,592,082 km (0.051 R)
• M8: 3,192,419 km (0.06 R)
• M9: 3,546,966 km (0.115 R)
• M10: 4,600,733 km (0.069 R)
• M11: 4,947,202 km (0.066 R)
• M12: 7,106,647 km (0.102 R)
• M13: 8,406,054 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.9

Radius: 13.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 858 Days

Day: 5.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 60.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,286,822 km

• M1: 169,345 km (0.088 R)
• M2: 713,582 km (0.069 R)
• M3: 1,486,255 km (0.098 R)
• M4: 2,214,796 km (0.059 R)
• M5: 3,324,513 km (0.117 R)
• M6: 4,203,551 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 14.2

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.93 AU - 1.45 AU

Year: 880 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,286,822 km

• M1: 176,675 km (0.106 R)
• M2: 1,105,528 km (0.092 R)
• M3: 1,560,007 km (0.059 R)
• M4: 2,385,039 km (0.043 R)
• M5: 4,754,819 km (0.096 R)
• M6: 7,164,392 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 8.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.7 AU - 2.44 AU

Year: 2020 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,286,822 km

• M1: 111,002 km (0.094 R)
• M2: 512,672 km (0.114 R)
• M3: 835,504 km (0.083 R)
• M4: 1,380,040 km (0.076 R)
• M5: 1,773,483 km (0.1 R)
• M6: 3,094,432 km (0.12 R)
• M7: 3,637,622 km (0.112 R)
• M8: 4,472,228 km (0.09 R)
• M9: 6,342,351 km (0.033 R)
• M10: 6,979,489 km (0.065 R)
• M11: 7,409,134 km (0.094 R)
• M12: 7,942,301 km (0.085 R)
• M13: 9,148,359 km (0.079 R)
• M14: 11,180,047 km (0.108 R)
• M15: 12,968,789 km (0.064 R)
• M16: 14,205,664 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 10.5

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.47 AU - 3.83 AU

Year: 3792 Days

Day: 14.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,286,822 km

• M1: 160,070 km (0.08 R)
• M2: 538,552 km (0.112 R)
• M3: 1,320,201 km (0.119 R)
• M4: 1,678,189 km (0.057 R)
• M5: 2,074,025 km (0.111 R)
• M6: 2,777,733 km (0.094 R)
• M7: 3,185,687 km (0.117 R)
• M8: 3,613,237 km (0.062 R)
• M9: 4,952,587 km (0.087 R)
• M10: 5,447,457 km (0.104 R)
• M11: 6,566,898 km (0.096 R)
• M12: 7,427,534 km (0.089 R)
• M13: 8,397,676 km (0.106 R)
• M14: 9,179,325 km (0.102 R)
• M15: 9,766,647 km (0.088 R)
• M16: 11,725,481 km (0.106 R)
• M17: 12,606,313 km (0.087 R)
• M18: 14,395,504 km (0.112 R)
• M19: 15,350,836 km (0.081 R)
• M20: 16,575,294 km (0.101 R)
• M21: 20,375,679 km (0.079 R)
• M22: 21,921,922 km (0.071 R)
• M23: 22,337,954 km (0.119 R)
• M24: 24,348,998 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 11.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.82 AU - 4.1 AU

Year: 4365 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,286,822 km

• M1: 139,276 km (0.03 R)
• M2: 492,327 km (0.115 R)
• M3: 1,142,928 km (0.084 R)
• M4: 1,681,929 km (0.114 R)
• M5: 2,083,001 km (0.059 R)
• M6: 2,443,980 km (0.087 R)
• M7: 3,670,833 km (0.1 R)
• M8: 4,465,347 km (0.028 R)
• M9: 5,787,194 km (0.096 R)
• M10: 6,281,166 km (0.113 R)
• M11: 7,544,221 km (0.06 R)
• M12: 8,720,209 km (0.116 R)
• M13: 9,670,006 km (0.118 R)
• M14: 10,850,334 km (0.074 R)
• M15: 11,306,308 km (0.077 R)
• M16: 12,036,196 km (0.096 R)
• M17: 12,706,095 km (0.077 R)
• M18: 13,306,581 km (0.098 R)
• M19: 14,023,005 km (0.11 R)
• M20: 14,614,366 km (0.093 R)
• M21: 16,165,845 km (0.106 R)
• M22: 16,543,131 km (0.073 R)
• M23: 17,653,746 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.4

Radius: 10.2

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.36 AU - 3.76 AU

Year: 4556 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,286,822 km

• M1: 126,859 km (0.103 R)
• M2: 508,932 km (0.029 R)
• M3: 839,094 km (0.073 R)
• M4: 1,637,049 km (0.045 R)
• M5: 2,464,326 km (0.097 R)
• M6: 3,876,081 km (0.084 R)
• M7: 4,367,510 km (0.104 R)
• M8: 4,718,018 km (0.037 R)
• M9: 5,306,835 km (0.09 R)
• M10: 7,942,600 km (0.111 R)
• M11: 10,353,220 km (0.117 R)
• M12: 11,024,765 km (0.083 R)
• M13: 11,488,518 km (0.054 R)
• M14: 13,163,117 km (0.101 R)
• M15: 17,236,068 km (0.081 R)
• M16: 18,696,443 km (0.038 R)
• M17: 19,024,511 km (0.057 R)
• M18: 20,168,785 km (0.047 R)
• M19: 20,513,907 km (0.114 R)
• M20: 20,933,380 km (0.076 R)
• M21: 22,079,748 km (0.069 R)
• M22: 23,192,008 km (0.116 R)
• M23: 25,932,043 km (0.088 R)
• M24: 27,422,038 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.4

Radius: 3.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.46 AU - 7.18 AU

Year: 9523 Days

Day: 22.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,286,822 km

• M1: 40,092 km (0.086 R)
• M2: 191,784 km (0.081 R)
• M3: 363,523 km (0.036 R)
• M4: 528,230 km (0.089 R)
• M5: 668,852 km (0.032 R)
• M6: 811,868 km (0.117 R)
• M7: 991,834 km (0.104 R)
• M8: 1,357,301 km (0.074 R)
• M9: 1,694,495 km (0.085 R)
• M10: 2,043,507 km (0.1 R)
• M11: 2,184,129 km (0.063 R)
• M12: 2,301,414 km (0.088 R)
• M13: 3,357,575 km (0.074 R)
• M14: 3,905,103 km (0.119 R)
• M15: 5,356,651 km (0.033 R)
• M16: 6,333,824 km (0.104 R)
• M17: 7,164,392 km (0.055 R)
• M18: 7,555,889 km (0.055 R)
• M19: 9,076,252 km (0.096 R)
• M20: 13,521,553 km (0.117 R)
• M21: 14,372,167 km (0.114 R)
• M22: 18,252,287 km (0.102 R)
• M23: 20,173,273 km (0.062 R)
• M24: 21,884,972 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.6

Radius: 5.2

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.12 AU - 11.26 AU

Year: 22062 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,286,822 km

• M1: 64,626 km (0.106 R)
• M2: 251,474 km (0.088 R)
• M3: 594,352 km (0.098 R)
• M4: 1,210,995 km (0.068 R)
• M5: 1,622,688 km (0.039 R)
• M6: 2,221,977 km (0.107 R)
• M7: 2,628,135 km (0.093 R)
• M8: 2,837,124 km (0.046 R)
• M9: 3,057,182 km (0.113 R)
• M10: 4,726,246 km (0.106 R)
• M11: 5,036,212 km (0.065 R)
• M12: 5,433,245 km (0.1 R)
• M13: 6,371,822 km (0.089 R)
• M14: 7,975,362 km (0.083 R)
• M15: 8,464,547 km (0.105 R)
• M16: 11,275,042 km (0.119 R)
• M17: 13,324,234 km (0.025 R)
• M18: 16,607,308 km (0.085 R)
• M19: 21,677,629 km (0.109 R)
• M20: 22,821,604 km (0.091 R)
• M21: 24,408,688 km (0.075 R)
• M22: 40,687,330 km (0.091 R)
• M23: 53,035,886 km (0.098 R)
• M24: 56,161,285 km (0.118 R)
• M25: 57,769,013 km (0.044 R)
• M26: 61,263,470 km (0.099 R)
• M27: 62,776,054 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 15,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit