🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 8.5

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 8.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,089,707 km

• M1: 105,766 km (0.103 R)
• M2: 419,173 km (0.114 R)
• M3: 702,661 km (0.081 R)
• M4: 1,045,540 km (0.07 R)
• M5: 1,512,135 km (0.093 R)
• M6: 1,787,246 km (0.087 R)
• M7: 2,112,172 km (0.066 R)
• M8: 2,539,573 km (0.094 R)
• M9: 2,862,406 km (0.103 R)
• M10: 3,223,385 km (0.095 R)
• M11: 3,743,986 km (0.101 R)
• M12: 4,267,130 km (0.053 R)
• M13: 4,642,321 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 13.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 13.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,089,707 km

• M1: 171,589 km (0.069 R)
• M2: 627,264 km (0.1 R)
• M3: 1,193,342 km (0.058 R)
• M4: 1,791,734 km (0.106 R)
• M5: 2,313,082 km (0.095 R)
• M6: 2,792,543 km (0.113 R)
• M7: 3,373,133 km (0.066 R)
• M8: 3,804,274 km (0.099 R)
• M9: 4,591,607 km (0.104 R)
• M10: 5,201,069 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 13.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.2 AU - 1.48 AU

Year: 1052 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,089,707 km

• M1: 162,912 km (0.057 R)
• M2: 609,013 km (0.072 R)
• M3: 1,086,829 km (0.117 R)
• M4: 1,539,960 km (0.067 R)
• M5: 2,027,051 km (0.1 R)
• M6: 3,549,658 km (0.088 R)
• M7: 4,070,558 km (0.086 R)
• M8: 4,625,716 km (0.075 R)
• M9: 5,141,529 km (0.049 R)
• M10: 6,147,126 km (0.082 R)
• M11: 6,580,362 km (0.067 R)
• M12: 7,167,234 km (0.048 R)
• M13: 8,521,843 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 10.3

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.7 AU - 2.42 AU

Year: 2005 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,089,707 km

• M1: 128,056 km (0.095 R)
• M2: 551,119 km (0.116 R)
• M3: 1,110,166 km (0.068 R)
• M4: 1,656,348 km (0.119 R)
• M5: 2,168,421 km (0.098 R)
• M6: 3,013,500 km (0.118 R)
• M7: 3,442,397 km (0.09 R)
• M8: 3,836,737 km (0.055 R)
• M9: 4,526,832 km (0.107 R)
• M10: 6,256,931 km (0.1 R)
• M11: 6,655,310 km (0.103 R)
• M12: 7,212,861 km (0.116 R)
• M13: 7,771,310 km (0.109 R)
• M14: 8,138,573 km (0.111 R)
• M15: 8,485,341 km (0.084 R)
• M16: 9,481,962 km (0.1 R)
• M17: 10,854,074 km (0.12 R)
• M18: 11,906,495 km (0.118 R)
• M19: 13,370,160 km (0.073 R)
• M20: 14,624,837 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 12.4

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.51 AU - 2.93 AU

Year: 3043 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,089,707 km

• M1: 156,928 km (0.111 R)
• M2: 697,425 km (0.1 R)
• M3: 1,428,809 km (0.034 R)
• M4: 2,424,233 km (0.115 R)
• M5: 2,813,338 km (0.031 R)
• M6: 3,350,394 km (0.073 R)
• M7: 3,758,796 km (0.101 R)
• M8: 4,179,765 km (0.051 R)
• M9: 4,882,127 km (0.099 R)
• M10: 5,286,490 km (0.095 R)
• M11: 7,074,483 km (0.116 R)
• M12: 7,719,998 km (0.085 R)
• M13: 8,106,260 km (0.119 R)
• M14: 9,164,366 km (0.077 R)
• M15: 10,197,339 km (0.111 R)
• M16: 11,932,824 km (0.082 R)
• M17: 13,346,673 km (0.104 R)
• M18: 14,333,421 km (0.105 R)
• M19: 17,420,971 km (0.105 R)
• M20: 18,484,612 km (0.12 R)
• M21: 18,887,330 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 9.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.96 AU - 4.76 AU

Year: 6175 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,089,707 km

• M1: 128,804 km (0.076 R)
• M2: 578,495 km (0.06 R)
• M3: 968,048 km (0.098 R)
• M4: 1,425,219 km (0.05 R)
• M5: 1,765,704 km (0.072 R)
• M6: 2,145,084 km (0.095 R)
• M7: 2,874,074 km (0.07 R)
• M8: 3,317,632 km (0.119 R)
• M9: 3,783,181 km (0.099 R)
• M10: 4,497,361 km (0.078 R)
• M11: 4,818,248 km (0.089 R)
• M12: 5,269,735 km (0.114 R)
• M13: 6,727,267 km (0.059 R)
• M14: 8,198,711 km (0.116 R)
• M15: 11,126,342 km (0.12 R)
• M16: 11,665,941 km (0.111 R)
• M17: 12,325,967 km (0.115 R)
• M18: 14,284,053 km (0.11 R)
• M19: 15,397,211 km (0.064 R)
• M20: 15,821,471 km (0.117 R)
• M21: 17,012,719 km (0.099 R)
• M22: 17,531,674 km (0.112 R)
• M23: 19,432,015 km (0.113 R)
• M24: 20,944,599 km (0.107 R)
• M25: 26,813,623 km (0.107 R)
• M26: 27,163,682 km (0.058 R)
• M27: 28,322,617 km (0.064 R)
• M28: 31,508,752 km (0.113 R)
• M29: 31,996,741 km (0.067 R)
• M30: 32,987,677 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.6

Radius: 4

Gravity: 53.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.55 AU - 7.39 AU

Year: 9894 Days

Day: 18.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 28,089,707 km

• M1: 49,816 km (0.086 R)
• M2: 189,989 km (0.087 R)
• M3: 400,174 km (0.077 R)
• M4: 947,553 km (0.093 R)
• M5: 1,556,865 km (0.045 R)
• M6: 1,692,550 km (0.095 R)
• M7: 1,970,204 km (0.073 R)
• M8: 2,258,778 km (0.11 R)
• M9: 2,787,008 km (0.083 R)
• M10: 3,754,009 km (0.114 R)
• M11: 4,026,875 km (0.07 R)
• M12: 5,664,075 km (0.108 R)
• M13: 5,913,753 km (0.068 R)
• M14: 7,526,568 km (0.067 R)
• M15: 9,610,167 km (0.117 R)
• M16: 10,541,414 km (0.056 R)
• M17: 11,250,358 km (0.111 R)
• M18: 11,418,357 km (0.085 R)
• M19: 11,816,885 km (0.051 R)
• M20: 12,581,480 km (0.071 R)
• M21: 13,757,469 km (0.076 R)
• M22: 15,072,584 km (0.09 R)
• M23: 15,552,045 km (0.056 R)
• M24: 16,685,847 km (0.106 R)
• M25: 18,256,176 km (0.096 R)
• M26: 20,582,872 km (0.11 R)
• M27: 22,386,125 km (0.117 R)
• M28: 24,855,686 km (0.108 R)
• M29: 25,332,006 km (0.061 R)
• M30: 25,620,879 km (0.072 R)
• M31: 27,399,598 km (0.065 R)
• M32: 29,470,781 km (0.115 R)
• M33: 30,004,396 km (0.105 R)
• M34: 33,112,292 km (0.097 R)
• M35: 33,342,074 km (0.043 R)
• M36: 33,573,053 km (0.071 R)
• M37: 42,615,048 km (0.095 R)
• M38: 43,160,182 km (0.116 R)
• M39: 50,220,005 km (0.037 R)
• M40: 50,828,121 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.8

Radius: 8

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.53 AU - 9.41 AU

Year: 15261 Days

Day: 16.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 28,089,707 km

• M1: 99,632 km (0.087 R)
• M2: 403,615 km (0.068 R)
• M3: 807,230 km (0.116 R)
• M4: 1,107,174 km (0.106 R)
• M5: 1,362,388 km (0.105 R)
• M6: 1,641,089 km (0.11 R)
• M7: 1,920,687 km (0.043 R)
• M8: 2,600,161 km (0.107 R)
• M9: 2,958,148 km (0.111 R)
• M10: 3,685,493 km (0.093 R)
• M11: 3,983,343 km (0.099 R)
• M12: 4,297,199 km (0.085 R)
• M13: 6,670,719 km (0.08 R)
• M14: 6,934,759 km (0.069 R)
• M15: 7,768,917 km (0.115 R)
• M16: 9,143,422 km (0.065 R)
• M17: 9,414,643 km (0.12 R)
• M18: 9,859,996 km (0.099 R)
• M19: 10,377,604 km (0.089 R)
• M20: 11,529,807 km (0.051 R)
• M21: 11,846,805 km (0.087 R)
• M22: 14,086,285 km (0.119 R)
• M23: 16,196,213 km (0.112 R)
• M24: 17,079,738 km (0.105 R)
• M25: 18,080,099 km (0.044 R)
• M26: 18,681,184 km (0.09 R)
• M27: 21,600,586 km (0.051 R)
• M28: 22,769,544 km (0.108 R)
• M29: 23,571,987 km (0.058 R)
• M30: 25,339,486 km (0.091 R)
• M31: 28,096,724 km (0.032 R)
• M32: 30,925,919 km (0.088 R)
• M33: 36,188,922 km (0.078 R)
• M34: 43,990,899 km (0.107 R)
• M35: 48,610,332 km (0.074 R)
• M36: 49,604,859 km (0.072 R)
• M37: 50,612,849 km (0.104 R)
• M38: 53,718,651 km (0.111 R)
• M39: 59,738,619 km (0.103 R)
• M40: 64,190,502 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.6

Radius: 5.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.21 AU - 8.37 AU

Year: 16189 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,089,707 km

• M1: 69,713 km (0.038 R)
• M2: 311,014 km (0.08 R)
• M3: 502,200 km (0.098 R)
• M4: 1,583,045 km (0.074 R)
• M5: 3,764,780 km (0.084 R)
• M6: 4,782,494 km (0.078 R)
• M7: 6,460,982 km (0.114 R)
• M8: 8,421,762 km (0.105 R)
• M9: 15,803,369 km (0.1 R)
• M10: 22,390,313 km (0.063 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: 375 - 14,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit