🌌 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 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.7

Radius: 14.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.56 AU - 0.68 AU

Year: 326 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,739,669 km

• M1: 185,801 km (0.119 R)
• M2: 653,593 km (0.092 R)
• M3: 1,233,285 km (0.093 R)
• M4: 1,709,904 km (0.072 R)
• M5: 2,347,490 km (0.101 R)
• M6: 2,871,830 km (0.11 R)
• M7: 3,349,945 km (0.108 R)
• M8: 5,162,473 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 15

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.74 AU - 0.9 AU

Year: 495 Days

Day: 5.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,739,669 km

• M1: 186,549 km (0.097 R)
• M2: 806,333 km (0.1 R)
• M3: 1,317,957 km (0.088 R)
• M4: 2,195,498 km (0.119 R)
• M5: 2,799,724 km (0.103 R)
• M6: 3,603,663 km (0.089 R)
• M7: 4,246,186 km (0.114 R)
• M8: 5,144,222 km (0.114 R)
• M9: 6,412,662 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 14.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.01 AU - 1.25 AU

Year: 801 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,739,669 km

• M1: 176,376 km (0.082 R)
• M2: 676,781 km (0.047 R)
• M3: 1,127,669 km (0.071 R)
• M4: 1,664,426 km (0.038 R)
• M5: 2,152,713 km (0.106 R)
• M6: 2,917,009 km (0.093 R)
• M7: 3,732,317 km (0.096 R)
• M8: 4,743,300 km (0.084 R)
• M9: 5,507,894 km (0.075 R)
• M10: 6,043,156 km (0.099 R)
• M11: 7,027,061 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 9.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.11 AU - 1.69 AU

Year: 1105 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,739,669 km

• M1: 117,135 km (0.082 R)
• M2: 507,436 km (0.115 R)
• M3: 990,637 km (0.089 R)
• M4: 1,297,014 km (0.05 R)
• M5: 1,764,507 km (0.091 R)
• M6: 2,119,203 km (0.055 R)
• M7: 2,784,465 km (0.115 R)
• M8: 5,159,780 km (0.104 R)
• M9: 5,627,423 km (0.036 R)
• M10: 6,469,510 km (0.088 R)
• M11: 6,990,409 km (0.045 R)
• M12: 7,345,106 km (0.087 R)
• M13: 8,271,565 km (0.086 R)
• M14: 9,472,388 km (0.079 R)
• M15: 9,848,626 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 8.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.06 AU - 3.34 AU

Year: 2959 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,739,669 km

• M1: 167,250 km (0.099 R)
• M2: 722,109 km (0.052 R)
• M3: 1,971,700 km (0.116 R)
• M4: 3,499,094 km (0.092 R)
• M5: 3,984,539 km (0.063 R)
• M6: 5,691,900 km (0.101 R)
• M7: 7,728,376 km (0.11 R)
• M8: 9,123,226 km (0.11 R)
• M9: 9,465,207 km (0.059 R)
• M10: 12,631,446 km (0.089 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309

Radius: 12.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.08 AU - 4.1 AU

Year: 4536 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,739,669 km

• M1: 156,779 km (0.093 R)
• M2: 562,189 km (0.104 R)
• M3: 959,521 km (0.069 R)
• M4: 1,764,357 km (0.056 R)
• M5: 2,213,151 km (0.089 R)
• M6: 2,676,007 km (0.104 R)
• M7: 3,760,890 km (0.117 R)
• M8: 4,360,479 km (0.111 R)
• M9: 4,787,281 km (0.102 R)
• M10: 5,266,743 km (0.065 R)
• M11: 5,992,143 km (0.098 R)
• M12: 7,868,100 km (0.066 R)
• M13: 9,577,405 km (0.082 R)
• M14: 10,031,285 km (0.083 R)
• M15: 13,481,910 km (0.078 R)
• M16: 14,640,096 km (0.104 R)
• M17: 15,706,879 km (0.067 R)
• M18: 16,879,277 km (0.102 R)
• M19: 18,109,271 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.2

Radius: 11.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.48 AU - 4.02 AU

Year: 4843 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,739,669 km

• M1: 139,276 km (0.088 R)
• M2: 808,726 km (0.097 R)
• M3: 1,290,431 km (0.082 R)
• M4: 1,726,210 km (0.079 R)
• M5: 2,670,023 km (0.086 R)
• M6: 3,058,229 km (0.104 R)
• M7: 8,114,488 km (0.069 R)
• M8: 9,010,429 km (0.079 R)
• M9: 10,620,850 km (0.098 R)
• M10: 15,932,921 km (0.117 R)
• M11: 21,699,470 km (0.12 R)
• M12: 23,350,133 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 10.6

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.16 AU - 4.66 AU

Year: 5156 Days

Day: 7.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,739,669 km

• M1: 131,796 km (0.059 R)
• M2: 461,360 km (0.071 R)
• M3: 952,041 km (0.09 R)
• M4: 1,407,417 km (0.091 R)
• M5: 1,891,067 km (0.055 R)
• M6: 2,861,957 km (0.095 R)
• M7: 3,968,383 km (0.102 R)
• M8: 6,294,330 km (0.105 R)
• M9: 8,146,502 km (0.094 R)
• M10: 9,888,120 km (0.118 R)
• M11: 10,474,245 km (0.109 R)
• M12: 10,846,444 km (0.115 R)
• M13: 11,469,968 km (0.081 R)
• M14: 12,321,180 km (0.096 R)
• M15: 14,952,457 km (0.073 R)
• M16: 16,649,345 km (0.071 R)
• M17: 17,544,240 km (0.073 R)
• M18: 21,896,940 km (0.118 R)
• M19: 23,441,837 km (0.037 R)
• M20: 24,565,616 km (0.053 R)
• M21: 25,809,223 km (0.047 R)
• M22: 29,330,159 km (0.067 R)
• M23: 31,014,182 km (0.117 R)
• M24: 31,686,325 km (0.111 R)
• M25: 33,158,966 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.8

Radius: 7.5

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.34 AU - 7.16 AU

Year: 9195 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,739,669 km

• M1: 93,349 km (0.111 R)
• M2: 333,304 km (0.087 R)
• M3: 620,682 km (0.089 R)
• M4: 921,672 km (0.087 R)
• M5: 1,480,570 km (0.12 R)
• M6: 1,798,466 km (0.094 R)
• M7: 2,388,031 km (0.118 R)
• M8: 2,669,125 km (0.027 R)
• M9: 2,972,210 km (0.076 R)
• M10: 4,259,201 km (0.081 R)
• M11: 4,703,207 km (0.096 R)
• M12: 5,177,582 km (0.066 R)
• M13: 5,651,060 km (0.052 R)
• M14: 6,468,163 km (0.111 R)
• M15: 7,092,884 km (0.057 R)
• M16: 7,478,846 km (0.109 R)
• M17: 9,164,366 km (0.065 R)
• M18: 13,152,046 km (0.092 R)
• M19: 14,579,808 km (0.116 R)
• M20: 17,669,752 km (0.085 R)
• M21: 19,330,139 km (0.068 R)
• M22: 21,971,140 km (0.09 R)
• M23: 24,667,791 km (0.111 R)
• M24: 25,285,780 km (0.101 R)
• M25: 26,369,168 km (0.12 R)
• M26: 26,644,877 km (0.082 R)
• M27: 27,671,866 km (0.104 R)
• M28: 29,114,738 km (0.114 R)
• M29: 32,780,783 km (0.108 R)
• M30: 36,061,764 km (0.106 R)
• M31: 38,366,768 km (0.057 R)
• M32: 40,523,670 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.1

Radius: 3.6

Gravity: 68.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.01 AU - 7.29 AU

Year: 10170 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 52,739,669 km

• M1: 45,478 km (0.094 R)
• M2: 1,453,343 km (0.064 R)
• M3: 1,938,489 km (0.084 R)
• M4: 2,402,243 km (0.05 R)
• M5: 2,565,304 km (0.077 R)
• M6: 2,845,950 km (0.078 R)
• M7: 3,218,897 km (0.058 R)
• M8: 3,341,867 km (0.058 R)
• M9: 3,519,440 km (0.109 R)
• M10: 3,756,851 km (0.099 R)
• M11: 4,089,856 km (0.117 R)
• M12: 4,382,170 km (0.107 R)
• M13: 5,342,888 km (0.054 R)
• M14: 5,480,817 km (0.056 R)
• M15: 6,206,367 km (0.068 R)
• M16: 6,790,995 km (0.081 R)
• M17: 10,062,551 km (0.054 R)
• M18: 10,220,227 km (0.091 R)
• M19: 10,648,526 km (0.057 R)
• M20: 11,370,037 km (0.045 R)
• M21: 12,302,031 km (0.096 R)
• M22: 12,971,631 km (0.079 R)
• M23: 14,516,080 km (0.091 R)
• M24: 15,681,447 km (0.096 R)
• M25: 20,042,674 km (0.093 R)
• M26: 20,543,976 km (0.088 R)
• M27: 20,797,694 km (0.072 R)
• M28: 22,543,202 km (0.103 R)
• M29: 23,821,666 km (0.07 R)
• M30: 24,008,065 km (0.081 R)
• M31: 26,621,839 km (0.078 R)
• M32: 27,431,313 km (0.064 R)
• M33: 33,096,135 km (0.042 R)
• M34: 33,561,684 km (0.074 R)
• M35: 34,744,554 km (0.06 R)
• M36: 36,077,471 km (0.1 R)
• M37: 36,200,291 km (0.086 R)
• M38: 37,318,386 km (0.053 R)
• M39: 37,444,048 km (0.075 R)
• M40: 38,716,079 km (0.108 R)
• M41: 38,973,836 km (0.065 R)
• M42: 45,653,381 km (0.118 R)
• M43: 48,286,902 km (0.054 R)
• M44: 50,097,634 km (0.046 R)
• M45: 51,329,722 km (0.054 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: 415 - 11,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit