🌌 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: 921.2

Radius: 13.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 8.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,716,131 km

• M1: 169,195 km (0.08 R)
• M2: 742,604 km (0.082 R)
• M3: 1,239,867 km (0.093 R)
• M4: 1,918,742 km (0.105 R)
• M5: 2,787,756 km (0.098 R)
• M6: 3,397,218 km (0.12 R)
• M7: 4,532,815 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 9.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 394 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,716,131 km

• M1: 120,725 km (0.099 R)
• M2: 437,424 km (0.067 R)
• M3: 749,785 km (0.114 R)
• M4: 1,179,579 km (0.119 R)
• M5: 1,671,607 km (0.065 R)
• M6: 2,200,585 km (0.058 R)
• M7: 2,717,745 km (0.118 R)
• M8: 3,762,686 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 11.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.68 AU - 0.94 AU

Year: 512 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,716,131 km

• M1: 146,008 km (0.042 R)
• M2: 510,428 km (0.075 R)
• M3: 937,530 km (0.064 R)
• M4: 1,332,169 km (0.112 R)
• M5: 1,856,210 km (0.063 R)
• M6: 2,377,858 km (0.099 R)
• M7: 3,111,037 km (0.08 R)
• M8: 3,705,838 km (0.098 R)
• M9: 4,345,818 km (0.101 R)
• M10: 5,058,203 km (0.108 R)
• M11: 5,864,985 km (0.086 R)
• M12: 6,366,137 km (0.065 R)
• M13: 6,735,794 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 11.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.49 AU - 2.57 AU

Year: 2829 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,716,131 km

• M1: 138,079 km (0.09 R)
• M2: 484,697 km (0.111 R)
• M3: 879,635 km (0.065 R)
• M4: 1,816,567 km (0.045 R)
• M5: 2,711,461 km (0.08 R)
• M6: 3,149,334 km (0.104 R)
• M7: 4,871,056 km (0.068 R)
• M8: 6,207,264 km (0.044 R)
• M9: 7,224,979 km (0.12 R)
• M10: 7,881,564 km (0.094 R)
• M11: 9,435,736 km (0.059 R)
• M12: 10,645,684 km (0.116 R)
• M13: 12,208,981 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.7

Radius: 12.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.7 AU - 3 AU

Year: 3382 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,716,131 km

• M1: 151,842 km (0.1 R)
• M2: 588,219 km (0.075 R)
• M3: 1,022,950 km (0.046 R)
• M4: 1,571,675 km (0.11 R)
• M5: 2,271,344 km (0.095 R)
• M6: 2,819,920 km (0.087 R)
• M7: 3,204,536 km (0.114 R)
• M8: 4,712,034 km (0.066 R)
• M9: 5,482,612 km (0.092 R)
• M10: 6,307,495 km (0.112 R)
• M11: 7,152,424 km (0.087 R)
• M12: 8,576,745 km (0.102 R)
• M13: 9,429,303 km (0.058 R)
• M14: 9,952,148 km (0.082 R)
• M15: 10,692,807 km (0.032 R)
• M16: 12,022,882 km (0.112 R)
• M17: 12,999,307 km (0.106 R)
• M18: 13,600,690 km (0.079 R)
• M19: 14,269,094 km (0.099 R)
• M20: 15,210,962 km (0.088 R)
• M21: 15,879,066 km (0.107 R)
• M22: 16,999,404 km (0.107 R)
• M23: 18,057,959 km (0.078 R)
• M24: 19,457,148 km (0.113 R)
• M25: 20,677,418 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359

Radius: 13.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.55 AU - 3.59 AU

Year: 3781 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,716,131 km

• M1: 164,109 km (0.085 R)
• M2: 628,161 km (0.108 R)
• M3: 1,334,862 km (0.1 R)
• M4: 1,848,282 km (0.057 R)
• M5: 2,822,912 km (0.101 R)
• M6: 3,837,036 km (0.089 R)
• M7: 4,407,452 km (0.119 R)
• M8: 5,320,448 km (0.119 R)
• M9: 5,900,439 km (0.115 R)
• M10: 7,277,488 km (0.111 R)
• M11: 9,675,691 km (0.074 R)
• M12: 10,121,493 km (0.104 R)
• M13: 11,959,303 km (0.032 R)
• M14: 12,560,387 km (0.084 R)
• M15: 13,181,517 km (0.079 R)
• M16: 13,776,618 km (0.108 R)
• M17: 14,485,412 km (0.079 R)
• M18: 16,130,690 km (0.099 R)
• M19: 17,786,588 km (0.065 R)
• M20: 19,028,700 km (0.111 R)
• M21: 19,967,875 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.8

Radius: 13.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.36 AU - 5.56 AU

Year: 7765 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,716,131 km

• M1: 165,455 km (0.096 R)
• M2: 588,219 km (0.117 R)
• M3: 1,064,090 km (0.047 R)
• M4: 1,707,211 km (0.092 R)
• M5: 2,639,056 km (0.107 R)
• M6: 3,911,087 km (0.07 R)
• M7: 5,004,049 km (0.103 R)
• M8: 5,784,800 km (0.108 R)
• M9: 6,573,330 km (0.089 R)
• M10: 7,668,536 km (0.111 R)
• M11: 9,328,923 km (0.068 R)
• M12: 10,075,267 km (0.041 R)
• M13: 12,334,644 km (0.119 R)
• M14: 13,005,291 km (0.096 R)
• M15: 16,329,356 km (0.046 R)
• M16: 18,187,361 km (0.056 R)
• M17: 22,981,374 km (0.044 R)
• M18: 26,669,860 km (0.091 R)
• M19: 27,697,447 km (0.047 R)
• M20: 31,143,434 km (0.111 R)
• M21: 31,969,514 km (0.11 R)
• M22: 34,098,591 km (0.102 R)
• M23: 38,519,357 km (0.119 R)
• M24: 39,112,363 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.9

Radius: 6.8

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.75 AU - 6.65 AU

Year: 9566 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,716,131 km

• M1: 84,523 km (0.077 R)
• M2: 372,947 km (0.106 R)
• M3: 645,964 km (0.089 R)
• M4: 900,430 km (0.11 R)
• M5: 1,604,587 km (0.077 R)
• M6: 1,864,139 km (0.093 R)
• M7: 2,732,106 km (0.112 R)
• M8: 3,081,716 km (0.099 R)
• M9: 3,870,695 km (0.044 R)
• M10: 4,457,269 km (0.049 R)
• M11: 5,037,559 km (0.038 R)
• M12: 5,462,865 km (0.118 R)
• M13: 6,200,084 km (0.027 R)
• M14: 7,324,761 km (0.117 R)
• M15: 7,742,288 km (0.087 R)
• M16: 7,956,961 km (0.104 R)
• M17: 8,855,895 km (0.118 R)
• M18: 10,276,925 km (0.073 R)
• M19: 10,694,453 km (0.062 R)
• M20: 13,563,740 km (0.053 R)
• M21: 15,107,590 km (0.099 R)
• M22: 16,480,898 km (0.058 R)
• M23: 17,125,216 km (0.095 R)
• M24: 20,848,258 km (0.081 R)
• M25: 21,348,514 km (0.102 R)
• M26: 21,942,268 km (0.066 R)
• M27: 22,634,307 km (0.101 R)
• M28: 23,970,815 km (0.066 R)
• M29: 30,909,164 km (0.079 R)
• M30: 32,552,347 km (0.098 R)
• M31: 35,183,624 km (0.037 R)
• M32: 38,949,900 km (0.034 R)
• M33: 41,125,203 km (0.081 R)
• M34: 42,441,814 km (0.104 R)
• M35: 43,786,399 km (0.102 R)
• M36: 46,277,802 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 16,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit