🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 14

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1 AU - 1 AU

Year: 656 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,598,072 km

• M1: 174,431 km (0.081 R)
• M2: 609,911 km (0.03 R)
• M3: 1,180,477 km (0.058 R)
• M4: 1,644,829 km (0.056 R)
• M5: 2,431,115 km (0.068 R)
• M6: 2,995,697 km (0.043 R)
• M7: 3,469,623 km (0.065 R)
• M8: 3,966,438 km (0.105 R)
• M9: 4,406,854 km (0.106 R)
• M10: 5,269,884 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.16 AU - 1.56 AU

Year: 1040 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,598,072 km

• M1: 100,979 km (0.06 R)
• M2: 401,521 km (0.119 R)
• M3: 815,458 km (0.083 R)
• M4: 1,094,009 km (0.109 R)
• M5: 1,752,838 km (0.119 R)
• M6: 2,734,799 km (0.088 R)
• M7: 3,093,684 km (0.054 R)
• M8: 4,346,267 km (0.032 R)
• M9: 4,818,996 km (0.105 R)
• M10: 5,381,933 km (0.073 R)
• M11: 6,360,004 km (0.089 R)
• M12: 6,835,875 km (0.083 R)
• M13: 7,288,857 km (0.1 R)
• M14: 8,030,414 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 13.1

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.13 AU - 1.85 AU

Year: 1193 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,598,072 km

• M1: 162,912 km (0.079 R)
• M2: 633,248 km (0.092 R)
• M3: 1,101,489 km (0.112 R)
• M4: 1,514,230 km (0.095 R)
• M5: 2,208,962 km (0.08 R)
• M6: 3,022,775 km (0.1 R)
• M7: 4,203,700 km (0.102 R)
• M8: 5,826,388 km (0.107 R)
• M9: 6,308,393 km (0.101 R)
• M10: 7,352,735 km (0.087 R)
• M11: 9,751,537 km (0.037 R)
• M12: 10,267,949 km (0.101 R)
• M13: 10,734,844 km (0.105 R)
• M14: 11,180,945 km (0.092 R)
• M15: 12,184,148 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 14

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.28 AU - 2.14 AU

Year: 1467 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,598,072 km

• M1: 174,132 km (0.094 R)
• M2: 886,367 km (0.096 R)
• M3: 1,616,854 km (0.084 R)
• M4: 2,186,971 km (0.083 R)
• M5: 2,675,109 km (0.096 R)
• M6: 3,791,259 km (0.117 R)
• M7: 4,317,245 km (0.101 R)
• M8: 4,832,161 km (0.111 R)
• M9: 5,782,406 km (0.119 R)
• M10: 6,338,163 km (0.044 R)
• M11: 7,083,010 km (0.108 R)
• M12: 9,962,321 km (0.11 R)
• M13: 10,458,387 km (0.103 R)
• M14: 11,005,467 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.5

Radius: 10.4

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.24 AU - 2.52 AU

Year: 2409 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,598,072 km

• M1: 129,402 km (0.102 R)
• M2: 506,389 km (0.051 R)
• M3: 993,180 km (0.108 R)
• M4: 1,575,864 km (0.095 R)
• M5: 2,082,552 km (0.074 R)
• M6: 2,417,053 km (0.056 R)
• M7: 2,946,629 km (0.053 R)
• M8: 3,282,925 km (0.066 R)
• M9: 3,816,690 km (0.1 R)
• M10: 4,515,462 km (0.061 R)
• M11: 5,035,016 km (0.079 R)
• M12: 5,419,482 km (0.077 R)
• M13: 6,302,409 km (0.056 R)
• M14: 6,721,283 km (0.087 R)
• M15: 7,069,696 km (0.098 R)
• M16: 8,220,852 km (0.057 R)
• M17: 9,492,583 km (0.103 R)
• M18: 12,122,215 km (0.06 R)
• M19: 14,956,945 km (0.066 R)
• M20: 18,039,259 km (0.087 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 13.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.42 AU - 4.16 AU

Year: 4840 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,598,072 km

• M1: 173,384 km (0.069 R)
• M2: 627,413 km (0.037 R)
• M3: 1,327,232 km (0.06 R)
• M4: 1,916,050 km (0.08 R)
• M5: 2,482,128 km (0.089 R)
• M6: 3,265,273 km (0.033 R)
• M7: 3,749,521 km (0.099 R)
• M8: 4,823,933 km (0.058 R)
• M9: 5,791,981 km (0.064 R)
• M10: 7,660,608 km (0.074 R)
• M11: 9,416,737 km (0.09 R)
• M12: 10,203,173 km (0.119 R)
• M13: 11,068,597 km (0.119 R)
• M14: 11,537,586 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.2

Radius: 8

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.99 AU - 4.21 AU

Year: 5446 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,598,072 km

• M1: 104,569 km (0.114 R)
• M2: 353,949 km (0.111 R)
• M3: 702,512 km (0.106 R)
• M4: 962,513 km (0.074 R)
• M5: 1,400,834 km (0.075 R)
• M6: 1,686,866 km (0.099 R)
• M7: 2,042,161 km (0.117 R)
• M8: 3,163,696 km (0.115 R)
• M9: 3,504,629 km (0.102 R)
• M10: 4,013,412 km (0.049 R)
• M11: 5,869,921 km (0.108 R)
• M12: 7,109,788 km (0.1 R)
• M13: 10,325,843 km (0.105 R)
• M14: 12,958,168 km (0.081 R)
• M15: 14,630,971 km (0.045 R)
• M16: 15,159,650 km (0.119 R)
• M17: 19,929,578 km (0.114 R)
• M18: 28,052,593 km (0.11 R)
• M19: 29,886,962 km (0.032 R)
• M20: 30,263,200 km (0.08 R)
• M21: 33,996,864 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 9.1

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.69 AU - 4.93 AU

Year: 5870 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,598,072 km

• M1: 113,545 km (0.062 R)
• M2: 498,909 km (0.1 R)
• M3: 953,686 km (0.112 R)
• M4: 1,545,944 km (0.102 R)
• M5: 2,110,676 km (0.089 R)
• M6: 2,882,751 km (0.064 R)
• M7: 3,199,001 km (0.107 R)
• M8: 3,604,710 km (0.052 R)
• M9: 4,677,626 km (0.095 R)
• M10: 5,287,836 km (0.04 R)
• M11: 5,918,989 km (0.089 R)
• M12: 6,837,520 km (0.054 R)
• M13: 7,331,193 km (0.107 R)
• M14: 9,896,049 km (0.036 R)
• M15: 10,527,950 km (0.118 R)
• M16: 10,995,593 km (0.087 R)
• M17: 11,772,604 km (0.067 R)
• M18: 12,276,600 km (0.091 R)
• M19: 13,273,669 km (0.087 R)
• M20: 15,191,365 km (0.046 R)
• M21: 15,910,182 km (0.058 R)
• M22: 16,777,252 km (0.037 R)
• M23: 17,872,009 km (0.084 R)
• M24: 18,538,019 km (0.106 R)
• M25: 24,392,681 km (0.054 R)
• M26: 28,854,288 km (0.105 R)
• M27: 30,800,556 km (0.036 R)
• M28: 31,372,319 km (0.096 R)
• M29: 32,931,727 km (0.032 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 14.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.67 AU - 5.03 AU

Year: 7007 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,598,072 km

• M1: 176,675 km (0.066 R)
• M2: 769,232 km (0.088 R)
• M3: 1,254,977 km (0.066 R)
• M4: 1,739,075 km (0.117 R)
• M5: 2,488,710 km (0.092 R)
• M6: 3,040,726 km (0.064 R)
• M7: 5,604,834 km (0.069 R)
• M8: 6,120,498 km (0.035 R)
• M9: 6,667,727 km (0.117 R)
• M10: 7,900,563 km (0.073 R)
• M11: 9,502,756 km (0.102 R)
• M12: 11,824,814 km (0.11 R)
• M13: 12,951,286 km (0.116 R)
• M14: 16,048,112 km (0.082 R)
• M15: 17,974,633 km (0.096 R)
• M16: 19,173,361 km (0.104 R)
• M17: 20,651,088 km (0.111 R)
• M18: 22,683,974 km (0.041 R)
• M19: 26,423,472 km (0.093 R)
• M20: 29,388,651 km (0.117 R)
• M21: 29,871,254 km (0.109 R)
• M22: 32,672,025 km (0.025 R)
• M23: 34,562,494 km (0.112 R)
• M24: 35,972,454 km (0.09 R)
• M25: 37,646,753 km (0.105 R)
• M26: 38,445,456 km (0.096 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.5

Radius: 10.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.58 AU - 5.16 AU

Year: 7050 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,598,072 km

• M1: 129,851 km (0.089 R)
• M2: 526,734 km (0.097 R)
• M3: 1,379,741 km (0.093 R)
• M4: 1,714,990 km (0.088 R)
• M5: 2,168,122 km (0.117 R)
• M6: 2,851,036 km (0.027 R)
• M7: 3,717,507 km (0.102 R)
• M8: 4,224,943 km (0.096 R)
• M9: 4,669,099 km (0.067 R)
• M10: 5,173,244 km (0.104 R)
• M11: 6,357,162 km (0.103 R)
• M12: 7,048,752 km (0.096 R)
• M13: 8,913,041 km (0.098 R)
• M14: 10,653,463 km (0.118 R)
• M15: 12,242,192 km (0.077 R)
• M16: 13,869,817 km (0.117 R)
• M17: 14,443,226 km (0.106 R)
• M18: 14,794,631 km (0.062 R)
• M19: 15,698,501 km (0.039 R)
• M20: 19,188,470 km (0.093 R)
• M21: 23,005,310 km (0.118 R)
• M22: 23,646,636 km (0.117 R)
• M23: 26,857,306 km (0.112 R)
• M24: 30,539,209 km (0.083 R)
• M25: 31,313,976 km (0.073 R)
• M26: 31,903,541 km (0.054 R)
• M27: 34,858,398 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 18,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit