🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.56 AU - 0.66 AU

Year: 308 Days

Day: 29.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 14

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.88 AU - 1.08 AU

Year: 626 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,722,909 km

• M1: 174,581 km (0.055 R)
• M2: 652,845 km (0.079 R)
• M3: 1,093,261 km (0.108 R)
• M4: 1,635,853 km (0.12 R)
• M5: 2,214,946 km (0.091 R)
• M6: 2,800,472 km (0.091 R)
• M7: 3,488,473 km (0.074 R)
• M8: 4,923,864 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 8.8

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.12 AU - 1.24 AU

Year: 828 Days

Day: 14.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,722,909 km

• M1: 109,506 km (0.03 R)
• M2: 393,742 km (0.052 R)
• M3: 711,039 km (0.044 R)
• M4: 1,345,782 km (0.051 R)
• M5: 1,848,880 km (0.108 R)
• M6: 2,212,104 km (0.056 R)
• M7: 2,564,407 km (0.07 R)
• M8: 3,495,953 km (0.115 R)
• M9: 4,232,573 km (0.102 R)
• M10: 4,725,498 km (0.109 R)
• M11: 5,332,416 km (0.053 R)
• M12: 5,887,424 km (0.078 R)
• M13: 7,182,493 km (0.116 R)
• M14: 7,686,339 km (0.117 R)
• M15: 8,085,915 km (0.102 R)
• M16: 8,473,074 km (0.036 R)
• M17: 9,063,237 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 10.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.41 AU - 1.93 AU

Year: 1393 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,722,909 km

• M1: 128,205 km (0.077 R)
• M2: 489,783 km (0.105 R)
• M3: 891,903 km (0.114 R)
• M4: 1,260,661 km (0.07 R)
• M5: 1,938,489 km (0.094 R)
• M6: 2,572,485 km (0.117 R)
• M7: 3,091,739 km (0.119 R)
• M8: 3,600,522 km (0.107 R)
• M9: 4,199,362 km (0.072 R)
• M10: 4,522,942 km (0.049 R)
• M11: 5,020,056 km (0.12 R)
• M12: 6,517,979 km (0.115 R)
• M13: 7,027,958 km (0.061 R)
• M14: 7,909,987 km (0.082 R)
• M15: 8,834,951 km (0.084 R)
• M16: 11,033,890 km (0.045 R)
• M17: 11,618,668 km (0.07 R)
• M18: 11,972,168 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 14

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.86 AU - 4.64 AU

Year: 4689 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,722,909 km

• M1: 177,872 km (0.104 R)
• M2: 783,743 km (0.065 R)
• M3: 1,763,759 km (0.058 R)
• M4: 2,660,897 km (0.104 R)
• M5: 3,477,851 km (0.054 R)
• M6: 4,142,664 km (0.042 R)
• M7: 5,728,551 km (0.099 R)
• M8: 7,299,628 km (0.053 R)
• M9: 7,980,598 km (0.12 R)
• M10: 9,595,058 km (0.108 R)
• M11: 10,106,533 km (0.103 R)
• M12: 10,999,483 km (0.06 R)
• M13: 13,200,965 km (0.105 R)
• M14: 15,682,345 km (0.046 R)
• M15: 16,154,027 km (0.099 R)
• M16: 18,525,452 km (0.088 R)
• M17: 19,320,415 km (0.118 R)
• M18: 20,137,968 km (0.081 R)
• M19: 20,766,129 km (0.102 R)
• M20: 21,407,306 km (0.116 R)
• M21: 22,580,003 km (0.096 R)
• M22: 24,418,561 km (0.083 R)
• M23: 25,213,375 km (0.108 R)
• M24: 29,359,929 km (0.098 R)
• M25: 30,623,432 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282

Radius: 14.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.35 AU - 4.65 AU

Year: 6164 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,722,909 km

• M1: 176,525 km (0.09 R)
• M2: 788,082 km (0.113 R)
• M3: 1,275,023 km (0.076 R)
• M4: 1,841,699 km (0.082 R)
• M5: 2,360,355 km (0.108 R)
• M6: 4,536,555 km (0.09 R)
• M7: 6,437,496 km (0.028 R)
• M8: 6,899,304 km (0.095 R)
• M9: 8,063,924 km (0.056 R)
• M10: 9,590,420 km (0.096 R)
• M11: 10,485,165 km (0.087 R)
• M12: 11,039,724 km (0.118 R)
• M13: 12,488,430 km (0.109 R)
• M14: 15,215,749 km (0.104 R)
• M15: 15,927,536 km (0.075 R)
• M16: 18,196,786 km (0.097 R)
• M17: 18,687,616 km (0.103 R)
• M18: 19,377,113 km (0.063 R)
• M19: 20,410,236 km (0.083 R)
• M20: 22,166,814 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.9

Radius: 8.5

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.81 AU - 5.53 AU

Year: 7590 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,722,909 km

• M1: 106,514 km (0.111 R)
• M2: 397,930 km (0.112 R)
• M3: 717,023 km (0.114 R)
• M4: 1,449,903 km (0.109 R)
• M5: 1,870,273 km (0.106 R)
• M6: 2,194,302 km (0.087 R)
• M7: 2,499,032 km (0.081 R)
• M8: 3,041,774 km (0.074 R)
• M9: 3,636,425 km (0.115 R)
• M10: 4,252,170 km (0.106 R)
• M11: 5,823,396 km (0.09 R)
• M12: 6,447,818 km (0.085 R)
• M13: 6,739,384 km (0.091 R)
• M14: 9,727,602 km (0.053 R)
• M15: 12,242,043 km (0.079 R)
• M16: 14,283,455 km (0.098 R)
• M17: 15,288,304 km (0.117 R)
• M18: 16,745,986 km (0.08 R)
• M19: 19,782,224 km (0.105 R)
• M20: 24,463,740 km (0.075 R)
• M21: 24,995,859 km (0.109 R)
• M22: 39,711,503 km (0.116 R)
• M23: 40,693,463 km (0.048 R)
• M24: 42,450,640 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.5

Radius: 7.5

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.52 AU - 6.78 AU

Year: 9848 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,722,909 km

• M1: 93,349 km (0.028 R)
• M2: 405,261 km (0.073 R)
• M3: 788,979 km (0.103 R)
• M4: 1,608,925 km (0.101 R)
• M5: 2,318,169 km (0.038 R)
• M6: 3,127,343 km (0.113 R)
• M7: 3,868,451 km (0.119 R)
• M8: 4,223,746 km (0.111 R)
• M9: 4,511,872 km (0.064 R)
• M10: 5,031,874 km (0.094 R)
• M11: 5,489,344 km (0.089 R)
• M12: 6,375,263 km (0.12 R)
• M13: 7,109,788 km (0.108 R)
• M14: 9,800,904 km (0.1 R)
• M15: 13,226,247 km (0.066 R)
• M16: 14,033,776 km (0.08 R)
• M17: 14,611,972 km (0.079 R)
• M18: 16,868,207 km (0.101 R)
• M19: 18,648,123 km (0.115 R)
• M20: 20,549,811 km (0.048 R)
• M21: 23,549,398 km (0.118 R)
• M22: 28,221,788 km (0.118 R)
• M23: 29,557,697 km (0.062 R)
• M24: 30,188,402 km (0.071 R)
• M25: 33,590,257 km (0.118 R)
• M26: 38,719,968 km (0.072 R)
• M27: 41,014,051 km (0.11 R)
• M28: 42,194,379 km (0.076 R)
• M29: 42,726,199 km (0.12 R)

Asteroid Belt

Center: 7.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.2

Radius: 6.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.9 AU - 10.04 AU

Year: 17346 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,722,909 km

• M1: 85,869 km (0.066 R)
• M2: 566,527 km (0.043 R)
• M3: 888,911 km (0.102 R)
• M4: 1,639,144 km (0.105 R)
• M5: 1,909,916 km (0.066 R)
• M6: 3,405,147 km (0.119 R)
• M7: 5,177,283 km (0.105 R)
• M8: 6,318,116 km (0.102 R)
• M9: 6,667,278 km (0.117 R)
• M10: 8,239,103 km (0.04 R)
• M11: 9,038,105 km (0.097 R)
• M12: 13,758,965 km (0.066 R)
• M13: 15,360,859 km (0.033 R)
• M14: 16,206,685 km (0.104 R)
• M15: 18,378,398 km (0.095 R)
• M16: 19,493,201 km (0.114 R)
• M17: 20,233,112 km (0.082 R)
• M18: 20,736,808 km (0.076 R)
• M19: 21,421,368 km (0.092 R)
• M20: 26,640,838 km (0.062 R)
• M21: 36,334,331 km (0.055 R)
• M22: 40,155,958 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.7

Radius: 7.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.46 AU - 11.12 AU

Year: 21313 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,722,909 km

• M1: 96,939 km (0.055 R)
• M2: 374,743 km (0.04 R)
• M3: 633,547 km (0.062 R)
• M4: 1,219,223 km (0.042 R)
• M5: 2,050,837 km (0.116 R)
• M6: 3,716,161 km (0.099 R)
• M7: 4,804,635 km (0.085 R)
• M8: 6,130,820 km (0.085 R)
• M9: 6,691,214 km (0.088 R)
• M10: 7,241,584 km (0.108 R)
• M11: 8,529,323 km (0.113 R)
• M12: 8,824,030 km (0.118 R)
• M13: 9,074,756 km (0.114 R)
• M14: 14,584,296 km (0.091 R)
• M15: 15,800,976 km (0.102 R)
• M16: 18,191,400 km (0.094 R)
• M17: 20,373,884 km (0.055 R)
• M18: 21,437,824 km (0.104 R)
• M19: 22,538,266 km (0.047 R)
• M20: 23,292,538 km (0.108 R)
• M21: 23,966,177 km (0.073 R)
• M22: 27,424,431 km (0.091 R)
• M23: 27,959,543 km (0.107 R)
• M24: 31,317,566 km (0.118 R)
• M25: 31,784,611 km (0.04 R)
• M26: 32,256,442 km (0.098 R)
• M27: 33,944,505 km (0.066 R)
• M28: 36,328,347 km (0.119 R)
• M29: 39,904,933 km (0.099 R)
• M30: 44,733,802 km (0.088 R)
• M31: 45,924,003 km (0.093 R)
• M32: 49,779,589 km (0.108 R)
• M33: 51,867,227 km (0.104 R)
• M34: 54,853,201 km (0.107 R)
• M35: 58,832,953 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 10,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit