🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 9.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 13.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,420,168 km

• M1: 115,639 km (0.086 R)
• M2: 429,047 km (0.107 R)
• M3: 775,067 km (0.079 R)
• M4: 1,095,356 km (0.051 R)
• M5: 1,442,572 km (0.041 R)
• M6: 1,856,659 km (0.066 R)
• M7: 2,487,214 km (0.04 R)
• M8: 2,973,258 km (0.112 R)
• M9: 3,274,249 km (0.095 R)
• M10: 3,692,973 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 12.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.83 AU - 0.99 AU

Year: 589 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,420,168 km

• M1: 156,779 km (0.088 R)
• M2: 573,558 km (0.116 R)
• M3: 977,323 km (0.079 R)
• M4: 1,451,548 km (0.111 R)
• M5: 2,240,228 km (0.08 R)
• M6: 2,694,108 km (0.064 R)
• M7: 3,111,037 km (0.102 R)
• M8: 3,584,814 km (0.086 R)
• M9: 4,210,881 km (0.09 R)
• M10: 4,959,469 km (0.065 R)
• M11: 5,775,974 km (0.051 R)
• M12: 6,742,526 km (0.114 R)
• M13: 7,188,477 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 10.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.24 AU - 1.4 AU

Year: 1029 Days

Day: 6.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,420,168 km

• M1: 129,402 km (0.052 R)
• M2: 470,934 km (0.097 R)
• M3: 822,788 km (0.071 R)
• M4: 1,254,977 km (0.101 R)
• M5: 1,592,918 km (0.118 R)
• M6: 2,257,731 km (0.089 R)
• M7: 2,984,777 km (0.119 R)
• M8: 3,655,723 km (0.102 R)
• M9: 4,230,628 km (0.093 R)
• M10: 4,952,886 km (0.114 R)
• M11: 5,278,710 km (0.091 R)
• M12: 6,449,164 km (0.114 R)
• M13: 7,243,828 km (0.093 R)
• M14: 7,760,838 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 10.8

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.31 AU - 2.03 AU

Year: 1464 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,420,168 km

• M1: 134,788 km (0.115 R)
• M2: 591,360 km (0.098 R)
• M3: 1,189,602 km (0.119 R)
• M4: 1,696,739 km (0.068 R)
• M5: 2,186,373 km (0.086 R)
• M6: 2,577,272 km (0.092 R)
• M7: 3,518,542 km (0.11 R)
• M8: 4,900,527 km (0.089 R)
• M9: 6,288,496 km (0.108 R)
• M10: 7,303,518 km (0.042 R)
• M11: 7,665,245 km (0.115 R)
• M12: 8,698,817 km (0.112 R)
• M13: 11,005,317 km (0.092 R)
• M14: 12,872,747 km (0.052 R)
• M15: 13,319,446 km (0.086 R)

Asteroid Belt

Center: 1.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 13.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.04 AU - 2.32 AU

Year: 2183 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,420,168 km

• M1: 171,888 km (0.12 R)
• M2: 676,930 km (0.053 R)
• M3: 1,117,496 km (0.117 R)
• M4: 1,673,402 km (0.058 R)
• M5: 2,277,777 km (0.115 R)
• M6: 3,190,175 km (0.047 R)
• M7: 3,970,926 km (0.075 R)
• M8: 6,228,507 km (0.11 R)
• M9: 7,007,015 km (0.06 R)
• M10: 8,038,642 km (0.087 R)
• M11: 8,996,666 km (0.086 R)
• M12: 12,330,006 km (0.113 R)
• M13: 13,288,480 km (0.101 R)
• M14: 13,786,042 km (0.062 R)
• M15: 14,296,021 km (0.093 R)
• M16: 15,751,309 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.7

Radius: 14.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.19 AU - 2.51 AU

Year: 2443 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,420,168 km

• M1: 179,069 km (0.101 R)
• M2: 788,381 km (0.098 R)
• M3: 1,433,148 km (0.103 R)
• M4: 1,932,505 km (0.104 R)
• M5: 2,788,205 km (0.113 R)
• M6: 3,436,712 km (0.034 R)
• M7: 3,884,758 km (0.115 R)
• M8: 5,109,366 km (0.036 R)
• M9: 5,696,687 km (0.118 R)
• M10: 6,438,692 km (0.082 R)
• M11: 7,184,587 km (0.094 R)
• M12: 8,051,806 km (0.041 R)
• M13: 9,626,922 km (0.046 R)
• M14: 11,317,827 km (0.107 R)
• M15: 12,148,843 km (0.086 R)
• M16: 12,623,068 km (0.108 R)
• M17: 15,885,798 km (0.11 R)
• M18: 17,575,057 km (0.11 R)
• M19: 19,792,247 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.32 AU - 2.92 AU

Year: 2876 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,420,168 km

• M1: 99,483 km (0.115 R)
• M2: 417,079 km (0.103 R)
• M3: 666,159 km (0.093 R)
• M4: 1,103,434 km (0.104 R)
• M5: 1,556,117 km (0.082 R)
• M6: 2,525,661 km (0.087 R)
• M7: 3,132,131 km (0.119 R)
• M8: 3,757,749 km (0.112 R)
• M9: 4,505,738 km (0.049 R)
• M10: 5,049,676 km (0.069 R)
• M11: 5,443,867 km (0.108 R)
• M12: 5,908,817 km (0.09 R)
• M13: 6,241,822 km (0.074 R)
• M14: 6,696,300 km (0.088 R)
• M15: 7,144,046 km (0.095 R)
• M16: 7,552,000 km (0.058 R)
• M17: 11,009,356 km (0.104 R)
• M18: 11,279,530 km (0.117 R)
• M19: 12,446,244 km (0.118 R)
• M20: 13,037,454 km (0.091 R)
• M21: 13,383,624 km (0.104 R)
• M22: 14,184,870 km (0.088 R)
• M23: 14,459,083 km (0.038 R)
• M24: 16,628,851 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 9.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.79 AU - 3.27 AU

Year: 3577 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,420,168 km

• M1: 119,379 km (0.1 R)
• M2: 447,896 km (0.061 R)
• M3: 1,118,094 km (0.064 R)
• M4: 1,640,640 km (0.065 R)
• M5: 2,096,764 km (0.089 R)
• M6: 2,879,909 km (0.098 R)
• M7: 3,665,447 km (0.115 R)
• M8: 4,360,180 km (0.104 R)
• M9: 4,870,308 km (0.088 R)
• M10: 6,945,081 km (0.115 R)
• M11: 7,256,245 km (0.103 R)
• M12: 8,109,252 km (0.106 R)
• M13: 8,524,685 km (0.114 R)
• M14: 8,918,127 km (0.09 R)
• M15: 9,249,038 km (0.113 R)
• M16: 10,251,044 km (0.096 R)
• M17: 12,561,284 km (0.082 R)
• M18: 14,786,403 km (0.064 R)
• M19: 18,008,891 km (0.081 R)
• M20: 18,538,467 km (0.114 R)
• M21: 22,070,024 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 8.9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.76 AU - 5.44 AU

Year: 6692 Days

Day: 8.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,420,168 km

• M1: 110,702 km (0.117 R)
• M2: 488,437 km (0.092 R)
• M3: 930,948 km (0.105 R)
• M4: 1,864,289 km (0.118 R)
• M5: 2,220,182 km (0.08 R)
• M6: 3,132,579 km (0.114 R)
• M7: 3,662,006 km (0.041 R)
• M8: 3,948,636 km (0.074 R)
• M9: 5,189,401 km (0.072 R)
• M10: 6,672,215 km (0.103 R)
• M11: 8,751,326 km (0.086 R)
• M12: 9,983,863 km (0.115 R)
• M13: 11,328,448 km (0.102 R)
• M14: 12,627,706 km (0.119 R)
• M15: 13,736,376 km (0.118 R)
• M16: 15,273,045 km (0.107 R)
• M17: 17,451,340 km (0.074 R)
• M18: 18,336,361 km (0.08 R)
• M19: 19,901,753 km (0.065 R)
• M20: 28,336,081 km (0.102 R)
• M21: 29,748,584 km (0.082 R)
• M22: 35,545,651 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.3

Radius: 5.7

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.06 AU - 10.38 AU

Year: 22160 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,420,168 km

• M1: 70,909 km (0.113 R)
• M2: 254,616 km (0.08 R)
• M3: 654,640 km (0.079 R)
• M4: 1,292,675 km (0.098 R)
• M5: 1,590,375 km (0.066 R)
• M6: 1,932,954 km (0.088 R)
• M7: 2,412,116 km (0.05 R)
• M8: 3,722,893 km (0.101 R)
• M9: 4,565,129 km (0.117 R)
• M10: 5,647,020 km (0.119 R)
• M11: 6,269,198 km (0.093 R)
• M12: 6,708,567 km (0.115 R)
• M13: 7,747,375 km (0.076 R)
• M14: 8,835,101 km (0.119 R)
• M15: 9,671,951 km (0.087 R)
• M16: 11,437,505 km (0.038 R)
• M17: 12,294,701 km (0.094 R)
• M18: 12,982,552 km (0.062 R)
• M19: 14,509,946 km (0.054 R)
• M20: 15,044,759 km (0.119 R)
• M21: 18,621,494 km (0.104 R)
• M22: 23,136,956 km (0.103 R)
• M23: 25,701,513 km (0.059 R)
• M24: 26,371,113 km (0.098 R)
• M25: 26,823,945 km (0.1 R)
• M26: 27,397,204 km (0.039 R)
• M27: 31,387,279 km (0.083 R)
• M28: 36,163,490 km (0.076 R)
• M29: 39,308,486 km (0.075 R)
• M30: 40,646,041 km (0.06 R)
• M31: 44,840,316 km (0.115 R)
• M32: 45,647,397 km (0.11 R)
• M33: 48,464,025 km (0.106 R)
• M34: 66,988,580 km (0.108 R)
• M35: 69,537,578 km (0.067 R)
• M36: 70,835,938 km (0.03 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: 439 - 16,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit