🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843

Radius: 11.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 5.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,644,321 km

• M1: 147,952 km (0.08 R)
• M2: 589,266 km (0.112 R)
• M3: 1,045,091 km (0.1 R)
• M4: 1,467,854 km (0.065 R)
• M5: 1,911,711 km (0.06 R)
• M6: 2,463,877 km (0.097 R)
• M7: 4,725,647 km (0.084 R)
• M8: 5,463,464 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.3

Radius: 11.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 13 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,644,321 km

• M1: 139,276 km (0.119 R)
• M2: 582,534 km (0.094 R)
• M3: 937,829 km (0.069 R)
• M4: 1,688,212 km (0.112 R)
• M5: 2,584,303 km (0.114 R)
• M6: 2,981,486 km (0.114 R)
• M7: 3,685,344 km (0.117 R)
• M8: 4,397,878 km (0.055 R)
• M9: 4,847,121 km (0.078 R)
• M10: 5,279,010 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 15

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.76 AU - 1.22 AU

Year: 657 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,644,321 km

• M1: 186,549 km (0.063 R)
• M2: 721,810 km (0.111 R)
• M3: 1,288,038 km (0.096 R)
• M4: 1,993,092 km (0.025 R)
• M5: 2,492,749 km (0.091 R)
• M6: 3,023,074 km (0.041 R)
• M7: 5,212,289 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.7

Radius: 9.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.02 AU - 1.24 AU

Year: 801 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,644,321 km

• M1: 124,017 km (0.116 R)
• M2: 645,365 km (0.11 R)
• M3: 1,286,691 km (0.119 R)
• M4: 1,836,763 km (0.12 R)
• M5: 2,199,238 km (0.083 R)
• M6: 2,888,585 km (0.06 R)
• M7: 3,211,866 km (0.089 R)
• M8: 4,315,749 km (0.095 R)
• M9: 4,631,700 km (0.059 R)
• M10: 5,060,447 km (0.082 R)
• M11: 5,961,475 km (0.095 R)
• M12: 6,335,171 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 13.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.56 AU - 2.1 AU

Year: 1651 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,644,321 km

• M1: 164,109 km (0.098 R)
• M2: 613,800 km (0.096 R)
• M3: 1,067,082 km (0.094 R)
• M4: 1,520,064 km (0.112 R)
• M5: 2,409,423 km (0.09 R)
• M6: 2,873,476 km (0.074 R)
• M7: 3,545,769 km (0.11 R)
• M8: 4,549,570 km (0.101 R)
• M9: 5,070,171 km (0.109 R)
• M10: 6,209,359 km (0.058 R)
• M11: 7,043,068 km (0.109 R)
• M12: 7,613,933 km (0.081 R)
• M13: 8,377,780 km (0.112 R)
• M14: 10,527,352 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.7

Radius: 10.8

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.07 AU - 2.07 AU

Year: 1986 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,644,321 km

• M1: 134,339 km (0.112 R)
• M2: 561,441 km (0.098 R)
• M3: 1,208,302 km (0.064 R)
• M4: 1,823,149 km (0.089 R)
• M5: 2,509,205 km (0.066 R)
• M6: 4,052,756 km (0.075 R)
• M7: 4,816,453 km (0.048 R)
• M8: 5,291,127 km (0.044 R)
• M9: 5,649,115 km (0.073 R)
• M10: 6,360,901 km (0.115 R)
• M11: 6,849,488 km (0.06 R)
• M12: 8,025,028 km (0.095 R)
• M13: 9,399,234 km (0.097 R)
• M14: 10,659,447 km (0.071 R)
• M15: 11,467,724 km (0.057 R)
• M16: 13,957,781 km (0.07 R)
• M17: 15,353,080 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 12.1

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.86 AU - 5.22 AU

Year: 6451 Days

Day: 5.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,644,321 km

• M1: 150,495 km (0.117 R)
• M2: 900,729 km (0.12 R)
• M3: 1,287,589 km (0.088 R)
• M4: 2,166,776 km (0.088 R)
• M5: 2,673,015 km (0.115 R)
• M6: 3,130,036 km (0.109 R)
• M7: 4,466,394 km (0.094 R)
• M8: 5,232,934 km (0.078 R)
• M9: 5,888,322 km (0.102 R)
• M10: 7,138,810 km (0.093 R)
• M11: 7,631,436 km (0.071 R)
• M12: 8,187,342 km (0.064 R)
• M13: 9,203,261 km (0.116 R)
• M14: 9,650,559 km (0.095 R)
• M15: 12,484,242 km (0.103 R)
• M16: 12,922,114 km (0.101 R)
• M17: 15,020,823 km (0.105 R)
• M18: 15,516,441 km (0.096 R)
• M19: 17,883,229 km (0.114 R)
• M20: 19,809,750 km (0.097 R)
• M21: 20,481,594 km (0.089 R)
• M22: 21,245,740 km (0.114 R)
• M23: 22,267,643 km (0.116 R)
• M24: 24,494,258 km (0.071 R)
• M25: 25,355,343 km (0.112 R)
• M26: 25,970,041 km (0.042 R)
• M27: 27,046,996 km (0.108 R)
• M28: 29,675,430 km (0.064 R)
• M29: 32,060,170 km (0.111 R)
• M30: 33,090,600 km (0.111 R)
• M31: 37,546,971 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 9.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.71 AU - 5.57 AU

Year: 6665 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,644,321 km

• M1: 120,725 km (0.074 R)
• M2: 596,447 km (0.12 R)
• M3: 1,540,559 km (0.106 R)
• M4: 2,228,260 km (0.079 R)
• M5: 3,757,749 km (0.087 R)
• M6: 4,178,867 km (0.045 R)
• M7: 4,659,076 km (0.09 R)
• M8: 5,386,571 km (0.076 R)
• M9: 5,826,089 km (0.075 R)
• M10: 6,777,083 km (0.034 R)
• M11: 7,289,904 km (0.111 R)
• M12: 7,671,828 km (0.101 R)
• M13: 8,269,770 km (0.093 R)
• M14: 9,246,644 km (0.075 R)
• M15: 10,682,784 km (0.082 R)
• M16: 11,176,158 km (0.072 R)
• M17: 13,303,739 km (0.086 R)
• M18: 15,437,752 km (0.089 R)
• M19: 16,782,787 km (0.091 R)
• M20: 17,996,624 km (0.104 R)
• M21: 18,766,604 km (0.079 R)
• M22: 19,485,571 km (0.108 R)
• M23: 20,222,790 km (0.115 R)
• M24: 21,831,266 km (0.113 R)
• M25: 27,623,995 km (0.119 R)
• M26: 28,931,929 km (0.082 R)
• M27: 30,280,703 km (0.091 R)
• M28: 31,069,982 km (0.112 R)
• M29: 34,685,463 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.1

Radius: 13.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.79 AU - 4.97 AU

Year: 7189 Days

Day: 13.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,644,321 km

• M1: 165,455 km (0.057 R)
• M2: 659,577 km (0.108 R)
• M3: 1,088,325 km (0.111 R)
• M4: 2,085,544 km (0.118 R)
• M5: 3,647,346 km (0.074 R)
• M6: 5,187,306 km (0.037 R)
• M7: 6,397,104 km (0.114 R)
• M8: 8,320,484 km (0.056 R)
• M9: 8,834,502 km (0.093 R)
• M10: 9,324,136 km (0.12 R)
• M11: 9,879,144 km (0.048 R)
• M12: 10,554,279 km (0.112 R)
• M13: 11,783,375 km (0.116 R)
• M14: 13,862,187 km (0.086 R)
• M15: 15,335,128 km (0.108 R)
• M16: 17,877,095 km (0.093 R)
• M17: 20,073,491 km (0.117 R)
• M18: 22,526,447 km (0.087 R)
• M19: 24,820,232 km (0.083 R)
• M20: 26,069,224 km (0.117 R)
• M21: 28,211,316 km (0.118 R)
• M22: 32,107,742 km (0.113 R)
• M23: 34,130,156 km (0.102 R)
• M24: 35,339,206 km (0.057 R)
• M25: 36,690,374 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.1

Radius: 4.9

Gravity: 37.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.27 AU - 7.49 AU

Year: 13369 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,644,321 km

• M1: 61,036 km (0.112 R)
• M2: 497,114 km (0.093 R)
• M3: 896,690 km (0.026 R)
• M4: 1,298,659 km (0.036 R)
• M5: 1,709,904 km (0.084 R)
• M6: 2,029,445 km (0.068 R)
• M7: 3,281,579 km (0.076 R)
• M8: 3,717,806 km (0.079 R)
• M9: 4,671,493 km (0.052 R)
• M10: 5,294,717 km (0.106 R)
• M11: 5,739,921 km (0.09 R)
• M12: 6,620,304 km (0.04 R)
• M13: 13,795,018 km (0.066 R)
• M14: 14,141,188 km (0.096 R)
• M15: 14,923,285 km (0.074 R)
• M16: 18,675,349 km (0.109 R)
• M17: 21,963,660 km (0.115 R)
• M18: 22,530,935 km (0.054 R)
• M19: 23,991,609 km (0.025 R)
• M20: 24,999,749 km (0.103 R)
• M21: 28,975,911 km (0.113 R)
• M22: 33,106,458 km (0.09 R)
• M23: 35,118,848 km (0.086 R)
• M24: 35,375,857 km (0.116 R)
• M25: 36,285,861 km (0.118 R)
• M26: 38,834,111 km (0.073 R)
• M27: 39,524,057 km (0.029 R)
• M28: 40,928,182 km (0.08 R)
• M29: 59,905,121 km (0.087 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: 168 - 15,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit