🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.43 AU - 0.71 AU

Year: 282 Days

Day: 40.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.7

Radius: 10

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.58 AU - 2.24 AU

Year: 1732 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,758,815 km

• M1: 124,316 km (0.116 R)
• M2: 486,642 km (0.097 R)
• M3: 813,962 km (0.109 R)
• M4: 1,164,919 km (0.102 R)
• M5: 1,618,350 km (0.07 R)
• M6: 2,089,882 km (0.073 R)
• M7: 3,038,333 km (0.094 R)
• M8: 3,377,920 km (0.061 R)
• M9: 3,851,996 km (0.092 R)
• M10: 4,762,149 km (0.103 R)
• M11: 5,200,022 km (0.093 R)
• M12: 5,617,101 km (0.092 R)
• M13: 6,258,726 km (0.116 R)
• M14: 7,571,148 km (0.088 R)
• M15: 8,862,776 km (0.089 R)
• M16: 9,459,073 km (0.053 R)
• M17: 10,188,513 km (0.048 R)
• M18: 10,768,952 km (0.044 R)
• M19: 14,453,847 km (0.043 R)
• M20: 15,001,375 km (0.066 R)
• M21: 15,562,816 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 12

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.83 AU - 2.05 AU

Year: 1773 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,758,815 km

• M1: 149,897 km (0.087 R)
• M2: 974,331 km (0.083 R)
• M3: 1,356,553 km (0.09 R)
• M4: 1,916,947 km (0.039 R)
• M5: 2,314,429 km (0.106 R)
• M6: 2,767,561 km (0.102 R)
• M7: 3,679,060 km (0.092 R)
• M8: 4,456,820 km (0.052 R)
• M9: 4,906,361 km (0.066 R)
• M10: 5,707,458 km (0.091 R)
• M11: 6,697,945 km (0.118 R)
• M12: 8,733,374 km (0.113 R)
• M13: 9,774,126 km (0.076 R)
• M14: 10,751,150 km (0.106 R)
• M15: 12,023,480 km (0.111 R)
• M16: 14,466,114 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 10.6

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.62 AU - 2.72 AU

Year: 2862 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,758,815 km

• M1: 132,394 km (0.115 R)
• M2: 532,868 km (0.096 R)
• M3: 987,645 km (0.038 R)
• M4: 1,399,338 km (0.06 R)
• M5: 1,791,435 km (0.112 R)
• M6: 2,173,956 km (0.118 R)
• M7: 2,565,005 km (0.095 R)
• M8: 3,071,992 km (0.098 R)
• M9: 3,415,020 km (0.116 R)
• M10: 3,864,861 km (0.108 R)
• M11: 4,510,974 km (0.114 R)
• M12: 6,442,582 km (0.051 R)
• M13: 7,607,800 km (0.093 R)
• M14: 8,552,510 km (0.096 R)
• M15: 9,802,550 km (0.116 R)
• M16: 11,813,145 km (0.056 R)
• M17: 12,799,893 km (0.092 R)
• M18: 13,840,496 km (0.057 R)
• M19: 16,360,023 km (0.102 R)
• M20: 16,798,644 km (0.098 R)
• M21: 17,132,696 km (0.102 R)
• M22: 17,699,373 km (0.104 R)
• M23: 20,154,274 km (0.052 R)
• M24: 22,489,796 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 11.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.81 AU - 3.23 AU

Year: 3443 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,758,815 km

• M1: 146,756 km (0.111 R)
• M2: 609,163 km (0.053 R)
• M3: 1,160,131 km (0.105 R)
• M4: 1,619,696 km (0.113 R)
• M5: 2,362,599 km (0.081 R)
• M6: 2,779,080 km (0.105 R)
• M7: 3,825,367 km (0.098 R)
• M8: 4,788,628 km (0.114 R)
• M9: 5,169,654 km (0.082 R)
• M10: 5,681,428 km (0.076 R)
• M11: 6,527,853 km (0.043 R)
• M12: 7,591,194 km (0.076 R)
• M13: 8,040,437 km (0.09 R)
• M14: 8,507,481 km (0.092 R)
• M15: 9,300,350 km (0.096 R)
• M16: 11,610,590 km (0.035 R)
• M17: 12,538,396 km (0.091 R)
• M18: 13,315,706 km (0.063 R)
• M19: 17,157,978 km (0.119 R)
• M20: 18,608,330 km (0.091 R)
• M21: 19,046,352 km (0.05 R)
• M22: 19,555,434 km (0.113 R)
• M23: 20,008,266 km (0.098 R)
• M24: 23,522,021 km (0.085 R)
• M25: 24,034,394 km (0.103 R)
• M26: 25,233,570 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.07 AU - 4.17 AU

Year: 4518 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,758,815 km

• M1: 168,298 km (0.117 R)
• M2: 932,294 km (0.093 R)
• M3: 1,935,647 km (0.089 R)
• M4: 2,647,434 km (0.095 R)
• M5: 5,340,943 km (0.104 R)
• M6: 7,201,193 km (0.053 R)
• M7: 8,278,896 km (0.055 R)
• M8: 9,145,815 km (0.084 R)
• M9: 11,149,828 km (0.108 R)
• M10: 11,739,543 km (0.108 R)
• M11: 13,230,436 km (0.103 R)
• M12: 14,575,321 km (0.096 R)
• M13: 16,066,662 km (0.064 R)
• M14: 17,840,294 km (0.112 R)
• M15: 19,093,176 km (0.097 R)
• M16: 21,634,246 km (0.103 R)
• M17: 24,772,809 km (0.096 R)
• M18: 26,093,459 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.2

Radius: 7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.21 AU - 10.27 AU

Year: 18425 Days

Day: 16.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,758,815 km

• M1: 87,216 km (0.084 R)
• M2: 528,978 km (0.08 R)
• M3: 1,069,475 km (0.116 R)
• M4: 1,397,244 km (0.052 R)
• M5: 2,115,613 km (0.073 R)
• M6: 2,926,733 km (0.036 R)
• M7: 3,597,530 km (0.11 R)
• M8: 3,851,098 km (0.106 R)
• M9: 6,081,901 km (0.091 R)
• M10: 8,378,678 km (0.111 R)
• M11: 9,242,007 km (0.065 R)
• M12: 9,526,692 km (0.102 R)
• M13: 9,817,061 km (0.082 R)
• M14: 11,304,961 km (0.11 R)
• M15: 14,402,385 km (0.108 R)
• M16: 15,638,064 km (0.071 R)
• M17: 23,237,785 km (0.052 R)
• M18: 23,853,231 km (0.07 R)
• M19: 28,568,705 km (0.058 R)
• M20: 32,870,841 km (0.07 R)
• M21: 36,632,629 km (0.034 R)
• M22: 37,107,303 km (0.063 R)
• M23: 44,189,416 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.7

Radius: 4.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.93 AU - 10.55 AU

Year: 21496 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,758,815 km

• M1: 169,794 km (0.093 R)
• M2: 431,739 km (0.106 R)
• M3: 2,505,316 km (0.096 R)
• M4: 2,913,419 km (0.118 R)
• M5: 5,844,190 km (0.092 R)
• M6: 7,091,837 km (0.072 R)
• M7: 16,393,683 km (0.097 R)
• M8: 18,762,266 km (0.086 R)
• M9: 22,010,784 km (0.033 R)
• M10: 25,064,525 km (0.097 R)
• M11: 26,930,309 km (0.065 R)
• M12: 29,899,528 km (0.116 R)
• M13: 41,488,875 km (0.046 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 15,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit