🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 11.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.84 AU - 1.38 AU

Year: 780 Days

Day: 14.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,524,499 km

• M1: 138,079 km (0.066 R)
• M2: 639,830 km (0.117 R)
• M3: 1,600,996 km (0.099 R)
• M4: 1,967,810 km (0.076 R)
• M5: 2,832,785 km (0.107 R)
• M6: 3,400,360 km (0.097 R)
• M7: 4,015,356 km (0.112 R)
• M8: 5,827,735 km (0.095 R)
• M9: 6,239,877 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 11.3

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.62 AU - 2.06 AU

Year: 1664 Days

Day: 8.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,524,499 km

• M1: 140,622 km (0.1 R)
• M2: 505,342 km (0.094 R)
• M3: 938,727 km (0.1 R)
• M4: 1,316,461 km (0.11 R)
• M5: 2,170,067 km (0.091 R)
• M6: 3,377,022 km (0.119 R)
• M7: 3,735,010 km (0.116 R)
• M8: 4,408,649 km (0.04 R)
• M9: 5,499,517 km (0.095 R)
• M10: 6,245,711 km (0.044 R)
• M11: 7,112,930 km (0.06 R)
• M12: 7,561,424 km (0.07 R)
• M13: 9,118,589 km (0.087 R)
• M14: 9,480,765 km (0.098 R)
• M15: 10,806,501 km (0.107 R)
• M16: 12,133,584 km (0.088 R)
• M17: 13,271,276 km (0.093 R)
• M18: 13,694,339 km (0.064 R)
• M19: 14,082,695 km (0.103 R)
• M20: 14,567,541 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 11.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.66 AU - 2.08 AU

Year: 1705 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,524,499 km

• M1: 148,102 km (0.081 R)
• M2: 650,003 km (0.079 R)
• M3: 1,593,517 km (0.088 R)
• M4: 2,267,006 km (0.089 R)
• M5: 3,765,827 km (0.059 R)
• M6: 4,439,317 km (0.082 R)
• M7: 4,925,061 km (0.076 R)
• M8: 5,957,885 km (0.116 R)
• M9: 6,648,578 km (0.118 R)
• M10: 7,052,193 km (0.064 R)
• M11: 8,713,926 km (0.081 R)
• M12: 10,121,493 km (0.086 R)
• M13: 10,555,027 km (0.107 R)
• M14: 11,820,925 km (0.05 R)
• M15: 12,414,978 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 13.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.83 AU - 2.97 AU

Year: 2479 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,524,499 km

• M1: 170,392 km (0.112 R)
• M2: 646,562 km (0.088 R)
• M3: 1,083,537 km (0.072 R)
• M4: 1,986,061 km (0.074 R)
• M5: 2,624,096 km (0.068 R)
• M6: 3,396,470 km (0.078 R)
• M7: 5,685,766 km (0.089 R)
• M8: 6,219,232 km (0.116 R)
• M9: 9,937,039 km (0.086 R)
• M10: 10,525,108 km (0.114 R)
• M11: 11,450,670 km (0.108 R)
• M12: 12,854,047 km (0.07 R)
• M13: 13,375,845 km (0.07 R)
• M14: 14,093,466 km (0.094 R)
• M15: 14,884,091 km (0.054 R)
• M16: 15,557,131 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 11.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.21 AU - 4.33 AU

Year: 5884 Days

Day: 6.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,524,499 km

• M1: 157,227 km (0.034 R)
• M2: 609,911 km (0.06 R)
• M3: 974,481 km (0.074 R)
• M4: 1,949,260 km (0.079 R)
• M5: 3,189,576 km (0.072 R)
• M6: 3,760,442 km (0.068 R)
• M7: 5,214,982 km (0.044 R)
• M8: 6,039,715 km (0.095 R)
• M9: 7,015,243 km (0.105 R)
• M10: 8,239,402 km (0.097 R)
• M11: 9,118,439 km (0.092 R)
• M12: 9,560,351 km (0.092 R)
• M13: 13,319,895 km (0.053 R)
• M14: 15,868,893 km (0.112 R)
• M15: 18,535,027 km (0.106 R)
• M16: 18,920,391 km (0.078 R)
• M17: 19,773,697 km (0.044 R)
• M18: 22,343,040 km (0.11 R)
• M19: 22,706,563 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.6

Radius: 7.8

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.64 AU - 7.62 AU

Year: 10121 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,524,499 km

• M1: 96,939 km (0.113 R)
• M2: 405,261 km (0.047 R)
• M3: 772,374 km (0.048 R)
• M4: 1,038,658 km (0.06 R)
• M5: 1,419,385 km (0.093 R)
• M6: 1,672,953 km (0.027 R)
• M7: 3,948,636 km (0.073 R)
• M8: 6,024,905 km (0.057 R)
• M9: 7,093,482 km (0.066 R)
• M10: 8,738,760 km (0.09 R)
• M11: 9,502,158 km (0.078 R)
• M12: 12,408,695 km (0.118 R)
• M13: 13,935,790 km (0.075 R)
• M14: 14,320,256 km (0.12 R)
• M15: 17,506,242 km (0.065 R)
• M16: 20,307,462 km (0.056 R)
• M17: 24,767,872 km (0.119 R)
• M18: 25,427,000 km (0.097 R)
• M19: 27,574,777 km (0.071 R)
• M20: 29,419,618 km (0.049 R)
• M21: 32,005,567 km (0.077 R)
• M22: 32,339,021 km (0.042 R)
• M23: 38,620,785 km (0.044 R)
• M24: 46,092,450 km (0.044 R)
• M25: 48,245,912 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.1

Radius: 3.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.9 AU - 9.6 AU

Year: 18760 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,524,499 km

• M1: 42,336 km (0.101 R)
• M2: 276,158 km (0.115 R)
• M3: 623,823 km (0.069 R)
• M4: 757,564 km (0.052 R)
• M5: 1,278,314 km (0.084 R)
• M6: 1,457,981 km (0.088 R)
• M7: 2,298,870 km (0.08 R)
• M8: 3,743,238 km (0.086 R)
• M9: 5,892,361 km (0.114 R)
• M10: 7,429,778 km (0.097 R)
• M11: 8,089,355 km (0.091 R)
• M12: 13,269,331 km (0.104 R)
• M13: 15,931,276 km (0.04 R)
• M14: 17,220,660 km (0.041 R)
• M15: 17,755,322 km (0.087 R)
• M16: 18,439,134 km (0.03 R)
• M17: 19,140,449 km (0.11 R)
• M18: 20,820,284 km (0.075 R)
• M19: 22,201,670 km (0.1 R)
• M20: 23,075,172 km (0.081 R)
• M21: 23,398,453 km (0.066 R)
• M22: 23,724,726 km (0.111 R)
• M23: 24,806,169 km (0.056 R)
• M24: 25,145,308 km (0.118 R)
• M25: 26,887,973 km (0.072 R)
• M26: 29,365,912 km (0.118 R)
• M27: 30,417,735 km (0.104 R)
• M28: 35,194,993 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.1

Radius: 3

Gravity: 23.46 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.74 AU - 11.28 AU

Year: 19557 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,524,499 km

• M1: 37,250 km (0.064 R)
• M2: 294,708 km (0.081 R)
• M3: 448,195 km (0.11 R)
• M4: 886,218 km (0.094 R)
• M5: 2,641,898 km (0.028 R)
• M6: 3,038,632 km (0.099 R)
• M7: 4,201,905 km (0.115 R)
• M8: 4,465,796 km (0.118 R)
• M9: 6,099,853 km (0.104 R)
• M10: 7,612,587 km (0.075 R)
• M11: 7,872,289 km (0.106 R)
• M12: 8,733,673 km (0.119 R)
• M13: 9,066,229 km (0.079 R)
• M14: 9,960,226 km (0.082 R)
• M15: 10,587,939 km (0.11 R)
• M16: 11,806,264 km (0.092 R)
• M17: 11,979,349 km (0.028 R)
• M18: 13,804,293 km (0.111 R)
• M19: 17,615,748 km (0.119 R)
• M20: 19,639,059 km (0.087 R)
• M21: 25,077,839 km (0.045 R)
• M22: 27,025,603 km (0.095 R)
• M23: 27,832,235 km (0.033 R)
• M24: 28,344,309 km (0.078 R)
• M25: 32,670,081 km (0.027 R)
• M26: 35,946,573 km (0.036 R)
• M27: 38,923,870 km (0.112 R)
• M28: 41,129,391 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.8

Radius: 5.8

Gravity: 28.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.26 AU - 10.88 AU

Year: 19742 Days

Day: 24.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,524,499 km

• M1: 75,996 km (0.112 R)
• M2: 477,516 km (0.087 R)
• M3: 1,028,785 km (0.098 R)
• M4: 1,743,713 km (0.038 R)
• M5: 1,975,589 km (0.108 R)
• M6: 3,062,867 km (0.107 R)
• M7: 3,672,927 km (0.102 R)
• M8: 4,023,285 km (0.077 R)
• M9: 4,977,720 km (0.059 R)
• M10: 5,528,240 km (0.077 R)
• M11: 5,988,403 km (0.118 R)
• M12: 6,383,640 km (0.065 R)
• M13: 6,610,730 km (0.062 R)
• M14: 7,275,244 km (0.119 R)
• M15: 8,035,500 km (0.099 R)
• M16: 8,570,911 km (0.081 R)
• M17: 9,418,383 km (0.099 R)
• M18: 10,135,405 km (0.09 R)
• M19: 12,646,406 km (0.119 R)
• M20: 13,817,757 km (0.096 R)
• M21: 14,663,733 km (0.088 R)
• M22: 15,139,604 km (0.089 R)
• M23: 15,789,906 km (0.084 R)
• M24: 18,762,565 km (0.1 R)
• M25: 24,327,307 km (0.095 R)
• M26: 26,479,721 km (0.047 R)
• M27: 28,144,595 km (0.099 R)
• M28: 28,755,703 km (0.085 R)
• M29: 29,250,872 km (0.077 R)
• M30: 33,419,566 km (0.04 R)
• M31: 39,927,372 km (0.117 R)
• M32: 40,234,647 km (0.086 R)
• M33: 50,385,610 km (0.087 R)
• M34: 55,185,907 km (0.082 R)
• M35: 70,051,447 km (0.059 R)
• M36: 76,722,914 km (0.093 R)
• M37: 78,876,225 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.1

Radius: 4.3

Gravity: 21.64 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.05 AU - 10.75 AU

Year: 22366 Days

Day: 19.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,524,499 km

• M1: 53,556 km (0.096 R)
• M2: 609,462 km (0.043 R)
• M3: 1,023,848 km (0.114 R)
• M4: 1,215,782 km (0.093 R)
• M5: 1,524,552 km (0.075 R)
• M6: 1,775,727 km (0.07 R)
• M7: 2,093,323 km (0.11 R)
• M8: 2,674,062 km (0.075 R)
• M9: 5,199,124 km (0.093 R)
• M10: 6,718,141 km (0.115 R)
• M11: 8,561,037 km (0.087 R)
• M12: 11,383,351 km (0.069 R)
• M13: 12,142,560 km (0.082 R)
• M14: 12,337,636 km (0.114 R)
• M15: 17,174,434 km (0.097 R)
• M16: 23,539,075 km (0.088 R)
• M17: 24,560,081 km (0.1 R)
• M18: 28,025,216 km (0.078 R)
• M19: 32,922,901 km (0.084 R)
• M20: 36,983,586 km (0.117 R)
• M21: 42,103,274 km (0.084 R)
• M22: 54,774,064 km (0.069 R)
• M23: 58,388,797 km (0.032 R)
• M24: 59,503,451 km (0.12 R)
• M25: 60,066,088 km (0.061 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit