🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.1

Radius: 10.4

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.67 AU - 0.77 AU

Year: 414 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,063,979 km

• M1: 129,552 km (0.091 R)
• M2: 473,328 km (0.12 R)
• M3: 832,512 km (0.06 R)
• M4: 1,203,664 km (0.112 R)
• M5: 1,549,535 km (0.112 R)
• M6: 2,232,299 km (0.036 R)
• M7: 2,947,078 km (0.095 R)
• M8: 3,537,242 km (0.095 R)
• M9: 3,860,971 km (0.1 R)
• M10: 5,310,724 km (0.107 R)
• M11: 5,807,389 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 11.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.7 AU - 0.94 AU

Year: 504 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 163.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,063,979 km

• M1: 141,819 km (0.091 R)
• M2: 499,208 km (0.077 R)
• M3: 969,095 km (0.107 R)
• M4: 1,344,735 km (0.117 R)
• M5: 2,067,891 km (0.036 R)
• M6: 2,573,831 km (0.119 R)
• M7: 3,279,634 km (0.119 R)
• M8: 3,836,587 km (0.12 R)
• M9: 4,500,502 km (0.1 R)
• M10: 5,526,145 km (0.094 R)
• M11: 6,223,720 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 13.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.18 AU - 1.52 AU

Year: 1064 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,063,979 km

• M1: 166,353 km (0.115 R)
• M2: 1,153,549 km (0.047 R)
• M3: 1,749,996 km (0.09 R)
• M4: 2,239,181 km (0.119 R)
• M5: 2,708,918 km (0.095 R)
• M6: 3,172,672 km (0.08 R)
• M7: 3,723,641 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 8.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.79 AU - 2.19 AU

Year: 1904 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,063,979 km

• M1: 108,159 km (0.116 R)
• M2: 463,753 km (0.049 R)
• M3: 1,012,927 km (0.12 R)
• M4: 1,397,394 km (0.084 R)
• M5: 1,757,925 km (0.089 R)
• M6: 2,319,365 km (0.058 R)
• M7: 2,655,362 km (0.1 R)
• M8: 3,052,694 km (0.031 R)
• M9: 3,568,508 km (0.059 R)
• M10: 5,052,818 km (0.082 R)
• M11: 5,405,869 km (0.114 R)
• M12: 6,115,262 km (0.114 R)
• M13: 7,745,579 km (0.078 R)
• M14: 9,490,788 km (0.12 R)
• M15: 9,868,972 km (0.065 R)
• M16: 10,290,090 km (0.062 R)
• M17: 10,790,644 km (0.095 R)
• M18: 12,242,342 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 10.4

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2 AU - 2.92 AU

Year: 2617 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,063,979 km

• M1: 145,559 km (0.044 R)
• M2: 551,867 km (0.075 R)
• M3: 1,147,416 km (0.12 R)
• M4: 1,874,162 km (0.117 R)
• M5: 2,724,925 km (0.057 R)
• M6: 3,756,403 km (0.053 R)
• M7: 4,415,531 km (0.098 R)
• M8: 4,773,219 km (0.077 R)
• M9: 5,223,060 km (0.12 R)
• M10: 5,572,521 km (0.115 R)
• M11: 6,318,715 km (0.049 R)
• M12: 8,715,273 km (0.105 R)
• M13: 9,608,821 km (0.108 R)
• M14: 10,212,149 km (0.099 R)
• M15: 10,641,495 km (0.069 R)
• M16: 11,164,339 km (0.075 R)
• M17: 13,198,871 km (0.099 R)
• M18: 14,039,760 km (0.07 R)
• M19: 17,047,575 km (0.11 R)
• M20: 18,101,193 km (0.068 R)
• M21: 19,080,311 km (0.108 R)
• M22: 20,645,404 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 11.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.8 AU - 3.26 AU

Year: 3577 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,063,979 km

• M1: 144,512 km (0.08 R)
• M2: 655,388 km (0.059 R)
• M3: 1,131,110 km (0.098 R)
• M4: 1,703,770 km (0.077 R)
• M5: 3,264,076 km (0.062 R)
• M6: 3,707,035 km (0.041 R)
• M7: 4,353,148 km (0.058 R)
• M8: 6,722,031 km (0.082 R)
• M9: 8,278,597 km (0.03 R)
• M10: 8,802,638 km (0.112 R)
• M11: 9,279,257 km (0.098 R)
• M12: 10,284,405 km (0.105 R)
• M13: 10,698,641 km (0.083 R)
• M14: 11,926,241 km (0.086 R)
• M15: 12,809,617 km (0.085 R)
• M16: 13,245,545 km (0.115 R)
• M17: 15,476,797 km (0.043 R)
• M18: 18,002,009 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.4

Radius: 13.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.94 AU - 4.92 AU

Year: 6324 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,063,979 km

• M1: 179,368 km (0.102 R)
• M2: 719,566 km (0.094 R)
• M3: 1,287,290 km (0.112 R)
• M4: 1,894,956 km (0.101 R)
• M5: 2,423,336 km (0.058 R)
• M6: 4,928,502 km (0.116 R)
• M7: 6,437,346 km (0.078 R)
• M8: 7,141,204 km (0.054 R)
• M9: 7,812,749 km (0.027 R)
• M10: 12,006,426 km (0.047 R)
• M11: 13,431,346 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.1

Radius: 10.8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.46 AU - 5.14 AU

Year: 7133 Days

Day: 6.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,063,979 km

• M1: 134,488 km (0.118 R)
• M2: 525,837 km (0.088 R)
• M3: 970,292 km (0.108 R)
• M4: 1,732,493 km (0.105 R)
• M5: 2,555,880 km (0.079 R)
• M6: 2,975,651 km (0.086 R)
• M7: 3,396,919 km (0.103 R)
• M8: 4,282,538 km (0.115 R)
• M9: 4,906,511 km (0.085 R)
• M10: 5,285,442 km (0.074 R)
• M11: 5,715,237 km (0.071 R)
• M12: 7,369,640 km (0.098 R)
• M13: 9,061,143 km (0.031 R)
• M14: 11,345,503 km (0.081 R)
• M15: 13,931,751 km (0.116 R)
• M16: 16,562,130 km (0.104 R)
• M17: 17,351,558 km (0.045 R)
• M18: 18,097,154 km (0.108 R)
• M19: 20,387,647 km (0.055 R)
• M20: 25,277,702 km (0.05 R)
• M21: 27,308,343 km (0.054 R)
• M22: 27,947,276 km (0.08 R)
• M23: 30,408,310 km (0.069 R)
• M24: 30,799,359 km (0.034 R)
• M25: 36,084,203 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 5.7

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.54 AU - 8.12 AU

Year: 12107 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 47,063,979 km

• M1: 89,460 km (0.082 R)
• M2: 842,086 km (0.066 R)
• M3: 1,227,151 km (0.115 R)
• M4: 1,507,647 km (0.043 R)
• M5: 2,110,078 km (0.107 R)
• M6: 2,418,250 km (0.036 R)
• M7: 2,947,078 km (0.118 R)
• M8: 3,238,943 km (0.071 R)
• M9: 3,854,539 km (0.061 R)
• M10: 4,259,650 km (0.106 R)
• M11: 4,904,566 km (0.027 R)
• M12: 7,070,444 km (0.06 R)
• M13: 8,405,755 km (0.086 R)
• M14: 9,039,751 km (0.056 R)
• M15: 10,815,477 km (0.107 R)
• M16: 11,132,625 km (0.115 R)
• M17: 11,564,963 km (0.113 R)
• M18: 12,177,566 km (0.117 R)
• M19: 12,405,553 km (0.074 R)
• M20: 13,772,728 km (0.092 R)
• M21: 14,082,695 km (0.105 R)
• M22: 15,369,386 km (0.117 R)
• M23: 17,014,514 km (0.091 R)
• M24: 19,231,704 km (0.043 R)
• M25: 19,775,343 km (0.113 R)
• M26: 20,731,273 km (0.085 R)
• M27: 21,220,458 km (0.102 R)
• M28: 21,884,822 km (0.1 R)
• M29: 23,871,931 km (0.095 R)
• M30: 24,772,360 km (0.1 R)
• M31: 25,323,329 km (0.087 R)
• M32: 27,707,022 km (0.078 R)
• M33: 32,805,317 km (0.11 R)
• M34: 33,358,231 km (0.082 R)
• M35: 35,400,391 km (0.082 R)
• M36: 37,404,105 km (0.067 R)
• M37: 38,250,680 km (0.037 R)
• M38: 40,612,980 km (0.063 R)
• M39: 42,024,136 km (0.103 R)
• M40: 43,202,818 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.9

Radius: 6.3

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.43 AU - 8.23 AU

Year: 13460 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,063,979 km

• M1: 78,389 km (0.06 R)
• M2: 385,663 km (0.098 R)
• M3: 635,193 km (0.097 R)
• M4: 1,087,876 km (0.083 R)
• M5: 1,309,281 km (0.063 R)
• M6: 3,085,456 km (0.101 R)
• M7: 3,945,943 km (0.115 R)
• M8: 4,533,414 km (0.104 R)
• M9: 4,833,058 km (0.092 R)
• M10: 7,600,918 km (0.116 R)
• M11: 8,643,017 km (0.039 R)
• M12: 9,151,351 km (0.113 R)
• M13: 10,075,716 km (0.059 R)
• M14: 11,114,523 km (0.076 R)
• M15: 18,206,809 km (0.094 R)
• M16: 18,582,898 km (0.116 R)
• M17: 18,811,035 km (0.08 R)
• M18: 20,299,533 km (0.11 R)
• M19: 25,513,767 km (0.045 R)
• M20: 27,236,536 km (0.109 R)
• M21: 28,326,656 km (0.07 R)
• M22: 33,425,550 km (0.092 R)
• M23: 39,982,275 km (0.076 R)
• M24: 43,895,905 km (0.077 R)
• M25: 44,300,866 km (0.047 R)
• M26: 45,255,301 km (0.089 R)
• M27: 47,063,939 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit