🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,493,744 km

• M1: 99,483 km (0.053 R)
• M2: 453,431 km (0.092 R)
• M3: 842,984 km (0.114 R)
• M4: 1,172,698 km (0.07 R)
• M5: 1,862,045 km (0.108 R)
• M6: 2,658,504 km (0.08 R)
• M7: 3,486,977 km (0.104 R)
• M8: 3,931,282 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 11.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.59 AU - 0.91 AU

Year: 441 Days

Day: 5.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,493,744 km

• M1: 145,559 km (0.083 R)
• M2: 663,167 km (0.114 R)
• M3: 1,058,106 km (0.099 R)
• M4: 1,459,178 km (0.118 R)
• M5: 1,956,291 km (0.107 R)
• M6: 2,779,678 km (0.09 R)
• M7: 3,651,534 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.3

Radius: 14.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.82 AU - 0.86 AU

Year: 522 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,493,744 km

• M1: 182,809 km (0.106 R)
• M2: 740,360 km (0.084 R)
• M3: 1,306,289 km (0.105 R)
• M4: 2,001,470 km (0.075 R)
• M5: 2,509,803 km (0.115 R)
• M6: 3,162,499 km (0.114 R)
• M7: 3,637,921 km (0.117 R)
• M8: 4,508,431 km (0.077 R)
• M9: 4,969,940 km (0.108 R)
• M10: 5,827,735 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 11.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.6 AU - 3.14 AU

Year: 3298 Days

Day: 9.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,493,744 km

• M1: 160,668 km (0.071 R)
• M2: 545,135 km (0.038 R)
• M3: 976,126 km (0.063 R)
• M4: 1,418,038 km (0.112 R)
• M5: 1,947,615 km (0.096 R)
• M6: 2,480,632 km (0.059 R)
• M7: 2,997,941 km (0.106 R)
• M8: 3,861,570 km (0.11 R)
• M9: 4,372,746 km (0.103 R)
• M10: 4,752,724 km (0.06 R)
• M11: 5,751,290 km (0.109 R)
• M12: 6,527,254 km (0.109 R)
• M13: 8,130,046 km (0.104 R)
• M14: 9,695,737 km (0.092 R)
• M15: 10,531,241 km (0.047 R)
• M16: 11,975,459 km (0.058 R)
• M17: 13,109,710 km (0.098 R)
• M18: 14,314,422 km (0.097 R)
• M19: 14,920,144 km (0.09 R)
• M20: 15,542,920 km (0.091 R)
• M21: 15,984,084 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.3

Radius: 13.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.35 AU - 3.89 AU

Year: 3738 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,493,744 km

• M1: 165,006 km (0.081 R)
• M2: 649,554 km (0.117 R)
• M3: 1,203,814 km (0.111 R)
• M4: 3,192,718 km (0.069 R)
• M5: 5,434,591 km (0.103 R)
• M6: 6,627,634 km (0.119 R)
• M7: 7,602,564 km (0.076 R)
• M8: 9,158,531 km (0.082 R)
• M9: 9,630,064 km (0.09 R)
• M10: 12,075,540 km (0.073 R)
• M11: 13,485,350 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76

Radius: 11.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.61 AU - 4.09 AU

Year: 4159 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,493,744 km

• M1: 138,079 km (0.094 R)
• M2: 2,261,621 km (0.108 R)
• M3: 3,192,867 km (0.09 R)
• M4: 4,455,025 km (0.103 R)
• M5: 7,396,568 km (0.103 R)
• M6: 8,268,873 km (0.101 R)
• M7: 10,581,207 km (0.107 R)
• M8: 11,090,887 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931

Radius: 4.3

Gravity: 50.35 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.02 AU - 10.56 AU

Year: 17676 Days

Day: 24 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,493,744 km

• M1: 53,556 km (0.1 R)
• M2: 204,949 km (0.071 R)
• M3: 560,693 km (0.081 R)
• M4: 1,849,030 km (0.095 R)
• M5: 2,147,777 km (0.051 R)
• M6: 3,582,719 km (0.099 R)
• M7: 6,438,094 km (0.092 R)
• M8: 10,897,008 km (0.109 R)
• M9: 11,997,899 km (0.117 R)
• M10: 14,569,785 km (0.081 R)
• M11: 28,287,013 km (0.114 R)
• M12: 32,776,594 km (0.069 R)
• M13: 33,968,740 km (0.105 R)
• M14: 38,733,731 km (0.1 R)
• M15: 41,888,900 km (0.062 R)
• M16: 42,508,534 km (0.109 R)
• M17: 46,521,347 km (0.093 R)
• M18: 49,907,794 km (0.057 R)
• M19: 54,367,157 km (0.037 R)
• M20: 54,919,473 km (0.06 R)
• M21: 58,890,997 km (0.071 R)
• M22: 59,279,054 km (0.069 R)
• M23: 59,864,131 km (0.081 R)
• M24: 61,244,321 km (0.055 R)
• M25: 61,443,137 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.3

Radius: 3.9

Gravity: 56.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.7 AU - 10.58 AU

Year: 20301 Days

Day: 16.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,493,744 km

• M1: 57,146 km (0.077 R)
• M2: 210,185 km (0.108 R)
• M3: 344,973 km (0.093 R)
• M4: 515,365 km (0.088 R)
• M5: 871,108 km (0.066 R)
• M6: 1,420,881 km (0.099 R)
• M7: 2,490,505 km (0.063 R)
• M8: 3,104,754 km (0.058 R)
• M9: 3,506,724 km (0.1 R)
• M10: 4,626,165 km (0.034 R)
• M11: 6,492,398 km (0.051 R)
• M12: 6,814,482 km (0.047 R)
• M13: 8,000,195 km (0.07 R)
• M14: 9,031,523 km (0.108 R)
• M15: 11,552,696 km (0.103 R)
• M16: 17,483,204 km (0.11 R)
• M17: 18,105,830 km (0.102 R)
• M18: 18,743,117 km (0.105 R)
• M19: 19,207,319 km (0.086 R)
• M20: 19,966,080 km (0.09 R)
• M21: 23,094,919 km (0.069 R)
• M22: 23,844,105 km (0.081 R)
• M23: 28,074,584 km (0.102 R)
• M24: 30,302,545 km (0.119 R)
• M25: 49,456,906 km (0.056 R)
• M26: 50,699,466 km (0.118 R)
• M27: 58,201,201 km (0.088 R)
• M28: 58,397,623 km (0.111 R)
• M29: 60,386,676 km (0.105 R)
• M30: 77,711,157 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.5

Radius: 7.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.34 AU - 12.22 AU

Year: 22355 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,493,744 km

• M1: 88,412 km (0.118 R)
• M2: 343,926 km (0.091 R)
• M3: 1,906,475 km (0.074 R)
• M4: 3,530,959 km (0.1 R)
• M5: 5,420,828 km (0.12 R)
• M6: 9,619,143 km (0.079 R)
• M7: 10,342,150 km (0.097 R)
• M8: 13,777,964 km (0.052 R)
• M9: 15,458,846 km (0.086 R)
• M10: 17,835,357 km (0.092 R)
• M11: 21,556,604 km (0.099 R)
• M12: 25,402,167 km (0.097 R)
• M13: 30,286,089 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 13,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit