🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.7

Radius: 11.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.45 AU - 0.67 AU

Year: 279 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,387,297 km

• M1: 139,276 km (0.089 R)
• M2: 568,322 km (0.119 R)
• M3: 928,554 km (0.098 R)
• M4: 1,319,752 km (0.099 R)
• M5: 1,920,687 km (0.074 R)
• M6: 2,277,478 km (0.117 R)
• M7: 2,931,071 km (0.112 R)
• M8: 3,344,560 km (0.101 R)
• M9: 3,901,812 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 14.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,387,297 km

• M1: 179,069 km (0.091 R)
• M2: 640,728 km (0.054 R)
• M3: 1,099,993 km (0.06 R)
• M4: 1,792,631 km (0.041 R)
• M5: 2,266,408 km (0.084 R)
• M6: 2,903,395 km (0.107 R)
• M7: 4,070,558 km (0.052 R)
• M8: 4,623,173 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 10.1

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.86 AU - 1.2 AU

Year: 697 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,387,297 km

• M1: 125,961 km (0.1 R)
• M2: 621,878 km (0.097 R)
• M3: 1,094,907 km (0.116 R)
• M4: 1,638,545 km (0.081 R)
• M5: 2,069,238 km (0.118 R)
• M6: 2,541,069 km (0.071 R)
• M7: 3,148,586 km (0.082 R)
• M8: 4,079,983 km (0.092 R)
• M9: 4,466,992 km (0.107 R)
• M10: 4,967,547 km (0.051 R)
• M11: 5,352,911 km (0.099 R)
• M12: 5,758,321 km (0.092 R)
• M13: 6,696,449 km (0.025 R)
• M14: 7,400,008 km (0.096 R)
• M15: 8,027,272 km (0.116 R)
• M16: 8,430,738 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 12.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.2 AU - 1.56 AU

Year: 1081 Days

Day: 10.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,387,297 km

• M1: 160,519 km (0.108 R)
• M2: 579,841 km (0.072 R)
• M3: 1,150,258 km (0.083 R)
• M4: 1,567,636 km (0.084 R)
• M5: 1,989,203 km (0.112 R)
• M6: 2,568,595 km (0.113 R)
• M7: 3,002,878 km (0.113 R)
• M8: 3,694,170 km (0.101 R)
• M9: 4,284,633 km (0.076 R)
• M10: 5,455,086 km (0.052 R)
• M11: 6,029,991 km (0.055 R)
• M12: 7,521,631 km (0.05 R)
• M13: 7,975,362 km (0.051 R)
• M14: 8,393,937 km (0.114 R)
• M15: 9,190,246 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 11.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.73 AU - 2.85 AU

Year: 2311 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,387,297 km

• M1: 146,905 km (0.098 R)
• M2: 516,561 km (0.03 R)
• M3: 1,084,285 km (0.101 R)
• M4: 1,491,640 km (0.093 R)
• M5: 1,905,727 km (0.061 R)
• M6: 2,844,005 km (0.092 R)
• M7: 4,108,406 km (0.107 R)
• M8: 4,531,020 km (0.104 R)
• M9: 5,514,178 km (0.057 R)
• M10: 6,777,083 km (0.115 R)
• M11: 7,492,310 km (0.073 R)
• M12: 8,590,807 km (0.104 R)
• M13: 9,501,110 km (0.092 R)
• M14: 10,320,458 km (0.106 R)
• M15: 10,826,548 km (0.118 R)
• M16: 11,308,253 km (0.037 R)
• M17: 12,271,663 km (0.112 R)
• M18: 15,541,424 km (0.075 R)
• M19: 17,430,845 km (0.079 R)
• M20: 19,410,324 km (0.026 R)
• M21: 19,942,593 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 8.8

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.42 AU - 3.16 AU

Year: 3108 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,387,297 km

• M1: 112,198 km (0.102 R)
• M2: 464,950 km (0.107 R)
• M3: 815,159 km (0.082 R)
• M4: 1,332,618 km (0.119 R)
• M5: 1,762,861 km (0.085 R)
• M6: 2,382,196 km (0.041 R)
• M7: 3,298,334 km (0.081 R)
• M8: 3,670,085 km (0.042 R)
• M9: 4,111,398 km (0.076 R)
• M10: 4,388,603 km (0.069 R)
• M11: 4,956,925 km (0.098 R)
• M12: 5,446,110 km (0.088 R)
• M13: 5,755,030 km (0.038 R)
• M14: 6,102,696 km (0.095 R)
• M15: 6,929,224 km (0.06 R)
• M16: 7,604,658 km (0.112 R)
• M17: 8,629,852 km (0.093 R)
• M18: 9,157,783 km (0.112 R)
• M19: 9,857,303 km (0.097 R)
• M20: 10,791,242 km (0.097 R)
• M21: 12,879,479 km (0.049 R)
• M22: 15,580,169 km (0.076 R)
• M23: 15,994,556 km (0.063 R)
• M24: 18,120,940 km (0.116 R)
• M25: 19,400,001 km (0.091 R)
• M26: 21,050,964 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 11.2

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.86 AU - 4.3 AU

Year: 5496 Days

Day: 12.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,387,297 km

• M1: 139,276 km (0.085 R)
• M2: 852,109 km (0.117 R)
• M3: 1,332,917 km (0.069 R)
• M4: 1,948,063 km (0.055 R)
• M5: 2,355,568 km (0.09 R)
• M6: 2,801,220 km (0.091 R)
• M7: 5,841,498 km (0.03 R)
• M8: 6,460,085 km (0.051 R)
• M9: 8,540,094 km (0.096 R)
• M10: 9,380,983 km (0.054 R)
• M11: 11,474,157 km (0.077 R)
• M12: 13,805,340 km (0.081 R)
• M13: 14,667,622 km (0.115 R)
• M14: 15,996,800 km (0.103 R)
• M15: 16,818,989 km (0.111 R)
• M16: 18,616,557 km (0.117 R)
• M17: 20,834,346 km (0.036 R)
• M18: 21,207,892 km (0.101 R)
• M19: 21,968,447 km (0.12 R)
• M20: 22,433,397 km (0.093 R)
• M21: 23,705,578 km (0.1 R)
• M22: 24,442,048 km (0.106 R)
• M23: 29,277,799 km (0.119 R)
• M24: 29,746,789 km (0.099 R)
• M25: 32,968,678 km (0.077 R)
• M26: 34,092,457 km (0.103 R)
• M27: 35,136,052 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 10.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.77 AU - 5.21 AU

Year: 7433 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,387,297 km

• M1: 126,859 km (0.104 R)
• M2: 477,217 km (0.103 R)
• M3: 853,905 km (0.118 R)
• M4: 1,262,456 km (0.044 R)
• M5: 1,585,737 km (0.054 R)
• M6: 2,169,768 km (0.034 R)
• M7: 3,279,185 km (0.104 R)
• M8: 3,879,522 km (0.106 R)
• M9: 4,501,101 km (0.087 R)
• M10: 5,822,200 km (0.108 R)
• M11: 8,650,796 km (0.117 R)
• M12: 8,968,392 km (0.119 R)
• M13: 11,653,525 km (0.085 R)
• M14: 12,041,432 km (0.047 R)
• M15: 12,588,960 km (0.085 R)
• M16: 13,627,020 km (0.057 R)
• M17: 14,112,315 km (0.063 R)
• M18: 15,521,078 km (0.114 R)
• M19: 17,332,858 km (0.074 R)
• M20: 18,946,870 km (0.111 R)
• M21: 24,309,355 km (0.102 R)
• M22: 25,833,757 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 13.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.23 AU - 5.25 AU

Year: 7999 Days

Day: 7.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,387,297 km

• M1: 168,896 km (0.099 R)
• M2: 611,107 km (0.106 R)
• M3: 1,482,216 km (0.032 R)
• M4: 2,095,866 km (0.057 R)
• M5: 3,293,547 km (0.117 R)
• M6: 3,885,206 km (0.069 R)
• M7: 4,374,840 km (0.105 R)
• M8: 6,696,898 km (0.057 R)
• M9: 7,830,850 km (0.117 R)
• M10: 11,621,361 km (0.094 R)
• M11: 13,255,568 km (0.103 R)
• M12: 14,263,409 km (0.09 R)
• M13: 15,608,743 km (0.116 R)
• M14: 17,846,278 km (0.117 R)
• M15: 18,615,959 km (0.096 R)
• M16: 22,725,562 km (0.047 R)
• M17: 23,936,706 km (0.098 R)
• M18: 24,401,806 km (0.027 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.6

Radius: 4.4

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.61 AU - 7.45 AU

Year: 12430 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,387,297 km

• M1: 54,753 km (0.059 R)
• M2: 209,287 km (0.114 R)
• M3: 517,908 km (0.092 R)
• M4: 1,097,899 km (0.032 R)
• M5: 3,191,072 km (0.114 R)
• M6: 3,420,406 km (0.102 R)
• M7: 3,963,895 km (0.071 R)
• M8: 4,256,359 km (0.103 R)
• M9: 5,972,695 km (0.067 R)
• M10: 7,935,718 km (0.119 R)
• M11: 9,475,679 km (0.05 R)
• M12: 9,616,301 km (0.035 R)
• M13: 11,203,983 km (0.118 R)
• M14: 16,387,848 km (0.105 R)
• M15: 17,842,388 km (0.104 R)
• M16: 18,200,975 km (0.086 R)
• M17: 18,418,490 km (0.063 R)
• M18: 35,779,472 km (0.081 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: 403 - 16,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit