🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 14

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,451,896 km

• M1: 174,132 km (0.066 R)
• M2: 712,684 km (0.118 R)
• M3: 1,776,924 km (0.105 R)
• M4: 2,216,442 km (0.044 R)
• M5: 2,900,104 km (0.099 R)
• M6: 4,180,662 km (0.074 R)
• M7: 5,296,961 km (0.096 R)
• M8: 6,024,456 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 12.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.86 AU - 0.9 AU

Year: 570 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,451,896 km

• M1: 153,039 km (0.106 R)
• M2: 590,762 km (0.114 R)
• M3: 1,081,293 km (0.11 R)
• M4: 1,511,238 km (0.077 R)
• M5: 1,936,395 km (0.06 R)
• M6: 2,363,048 km (0.083 R)
• M7: 2,954,408 km (0.071 R)
• M8: 3,410,383 km (0.112 R)
• M9: 4,330,410 km (0.089 R)
• M10: 4,824,980 km (0.063 R)
• M11: 5,584,489 km (0.079 R)
• M12: 6,480,729 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.5

Radius: 10.4

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.72 AU - 1.76 AU

Year: 1584 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,451,896 km

• M1: 132,843 km (0.085 R)
• M2: 618,438 km (0.112 R)
• M3: 1,174,493 km (0.037 R)
• M4: 1,822,401 km (0.088 R)
• M5: 2,334,325 km (0.098 R)
• M6: 2,793,890 km (0.083 R)
• M7: 3,968,832 km (0.096 R)
• M8: 4,565,877 km (0.051 R)
• M9: 4,982,207 km (0.074 R)
• M10: 5,538,263 km (0.094 R)
• M11: 5,891,463 km (0.05 R)
• M12: 7,261,929 km (0.025 R)
• M13: 7,947,985 km (0.06 R)
• M14: 8,521,394 km (0.093 R)
• M15: 9,784,598 km (0.107 R)
• M16: 10,765,811 km (0.087 R)
• M17: 11,094,776 km (0.107 R)
• M18: 11,849,797 km (0.106 R)
• M19: 12,841,481 km (0.072 R)
• M20: 13,801,900 km (0.089 R)
• M21: 14,146,872 km (0.048 R)
• M22: 14,541,960 km (0.039 R)
• M23: 15,125,542 km (0.071 R)
• M24: 15,538,731 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 8.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.49 AU - 3.03 AU

Year: 3165 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,451,896 km

• M1: 103,971 km (0.079 R)
• M2: 402,418 km (0.083 R)
• M3: 894,745 km (0.079 R)
• M4: 2,537,778 km (0.055 R)
• M5: 3,026,365 km (0.09 R)
• M6: 3,471,568 km (0.097 R)
• M7: 4,270,271 km (0.083 R)
• M8: 4,896,488 km (0.054 R)
• M9: 7,430,676 km (0.103 R)
• M10: 7,874,383 km (0.116 R)
• M11: 8,685,204 km (0.086 R)
• M12: 10,146,775 km (0.115 R)
• M13: 11,924,147 km (0.091 R)
• M14: 12,823,679 km (0.118 R)
• M15: 15,987,076 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 11.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.54 AU - 5.58 AU

Year: 7857 Days

Day: 14.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,451,896 km

• M1: 144,362 km (0.092 R)
• M2: 622,926 km (0.082 R)
• M3: 999,463 km (0.062 R)
• M4: 1,778,868 km (0.09 R)
• M5: 2,381,299 km (0.073 R)
• M6: 2,819,621 km (0.086 R)
• M7: 3,558,036 km (0.077 R)
• M8: 5,733,937 km (0.093 R)
• M9: 7,256,694 km (0.103 R)
• M10: 7,747,823 km (0.098 R)
• M11: 9,896,049 km (0.027 R)
• M12: 10,282,011 km (0.079 R)
• M13: 10,722,727 km (0.092 R)
• M14: 13,221,460 km (0.067 R)
• M15: 14,116,354 km (0.093 R)
• M16: 14,995,092 km (0.08 R)
• M17: 18,812,830 km (0.05 R)
• M18: 19,607,045 km (0.086 R)
• M19: 20,012,605 km (0.106 R)
• M20: 22,490,394 km (0.039 R)
• M21: 23,841,413 km (0.084 R)
• M22: 24,614,834 km (0.082 R)
• M23: 27,286,502 km (0.114 R)
• M24: 28,562,721 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 12.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.72 AU - 5.52 AU

Year: 7997 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,451,896 km

• M1: 164,109 km (0.067 R)
• M2: 565,929 km (0.057 R)
• M3: 1,070,223 km (0.106 R)
• M4: 2,709,217 km (0.097 R)
• M5: 3,360,567 km (0.118 R)
• M6: 4,064,275 km (0.107 R)
• M7: 6,157,299 km (0.08 R)
• M8: 6,812,837 km (0.117 R)
• M9: 7,362,908 km (0.056 R)
• M10: 10,097,258 km (0.111 R)
• M11: 10,571,184 km (0.12 R)
• M12: 13,791,278 km (0.111 R)
• M13: 14,257,275 km (0.095 R)
• M14: 15,844,808 km (0.11 R)
• M15: 16,291,657 km (0.12 R)
• M16: 19,008,953 km (0.118 R)
• M17: 25,325,723 km (0.098 R)
• M18: 27,372,371 km (0.115 R)
• M19: 33,227,333 km (0.104 R)
• M20: 37,789,769 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.8

Radius: 5.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.28 AU - 5.88 AU

Year: 9098 Days

Day: 23.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,451,896 km

• M1: 73,752 km (0.036 R)
• M2: 381,624 km (0.092 R)
• M3: 1,539,811 km (0.049 R)
• M4: 1,823,897 km (0.115 R)
• M5: 2,180,090 km (0.041 R)
• M6: 2,553,486 km (0.029 R)
• M7: 4,027,773 km (0.117 R)
• M8: 5,112,208 km (0.118 R)
• M9: 9,932,551 km (0.115 R)
• M10: 13,505,845 km (0.09 R)
• M11: 14,347,034 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.4

Radius: 5.4

Gravity: 28.03 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.32 AU - 8.76 AU

Year: 12893 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,451,896 km

• M1: 67,169 km (0.056 R)
• M2: 555,756 km (0.104 R)
• M3: 962,812 km (0.081 R)
• M4: 2,410,919 km (0.094 R)
• M5: 2,713,406 km (0.105 R)
• M6: 5,696,687 km (0.045 R)
• M7: 5,884,881 km (0.088 R)
• M8: 7,408,087 km (0.112 R)
• M9: 9,074,457 km (0.053 R)
• M10: 10,296,373 km (0.095 R)
• M11: 11,504,226 km (0.111 R)
• M12: 13,323,486 km (0.115 R)
• M13: 14,967,267 km (0.061 R)
• M14: 16,818,541 km (0.073 R)
• M15: 18,405,325 km (0.083 R)
• M16: 19,319,219 km (0.086 R)
• M17: 21,147,454 km (0.081 R)
• M18: 25,958,372 km (0.103 R)
• M19: 27,532,291 km (0.096 R)
• M20: 29,280,342 km (0.073 R)
• M21: 35,470,403 km (0.054 R)
• M22: 41,064,765 km (0.028 R)
• M23: 46,002,692 km (0.057 R)
• M24: 47,373,008 km (0.102 R)
• M25: 47,990,847 km (0.117 R)
• M26: 55,143,870 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 5.1

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.72 AU - 11.84 AU

Year: 22751 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,451,896 km

• M1: 63,429 km (0.081 R)
• M2: 233,821 km (0.074 R)
• M3: 426,504 km (0.09 R)
• M4: 590,912 km (0.115 R)
• M5: 1,029,383 km (0.092 R)
• M6: 1,411,007 km (0.061 R)
• M7: 1,806,095 km (0.086 R)
• M8: 2,315,925 km (0.118 R)
• M9: 4,150,294 km (0.1 R)
• M10: 4,419,570 km (0.093 R)
• M11: 6,826,001 km (0.08 R)
• M12: 7,640,562 km (0.116 R)
• M13: 7,994,061 km (0.097 R)
• M14: 8,625,514 km (0.05 R)
• M15: 12,288,567 km (0.113 R)
• M16: 15,473,057 km (0.118 R)
• M17: 17,469,890 km (0.116 R)
• M18: 17,730,938 km (0.042 R)
• M19: 19,725,826 km (0.038 R)
• M20: 20,103,859 km (0.083 R)
• M21: 23,621,205 km (0.099 R)
• M22: 24,370,690 km (0.093 R)
• M23: 24,806,020 km (0.12 R)
• M24: 26,143,275 km (0.104 R)
• M25: 26,599,399 km (0.077 R)
• M26: 27,410,519 km (0.076 R)
• M27: 27,999,934 km (0.105 R)
• M28: 38,027,928 km (0.078 R)
• M29: 41,169,334 km (0.097 R)
• M30: 49,683,248 km (0.12 R)
• M31: 50,032,409 km (0.091 R)
• M32: 54,164,452 km (0.119 R)
• M33: 59,298,502 km (0.091 R)
• M34: 62,084,014 km (0.081 R)
• M35: 65,791,947 km (0.083 R)
• M36: 68,344,236 km (0.11 R)
• M37: 78,739,493 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 10,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit