🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 11.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.66 AU - 1.1 AU

Year: 533 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,514,397 km

• M1: 146,756 km (0.086 R)
• M2: 545,135 km (0.076 R)
• M3: 920,177 km (0.093 R)
• M4: 1,646,325 km (0.06 R)
• M5: 2,033,484 km (0.079 R)
• M6: 2,491,852 km (0.119 R)
• M7: 3,041,624 km (0.113 R)
• M8: 3,419,209 km (0.063 R)
• M9: 4,003,837 km (0.101 R)
• M10: 4,684,807 km (0.1 R)
• M11: 5,374,004 km (0.044 R)
• M12: 6,371,822 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 10.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.22 AU - 1.4 AU

Year: 968 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,514,397 km

• M1: 129,402 km (0.119 R)
• M2: 491,279 km (0.111 R)
• M3: 980,614 km (0.112 R)
• M4: 1,310,627 km (0.111 R)
• M5: 1,679,535 km (0.103 R)
• M6: 2,016,131 km (0.096 R)
• M7: 2,533,141 km (0.114 R)
• M8: 2,969,219 km (0.044 R)
• M9: 3,406,643 km (0.115 R)
• M10: 3,794,999 km (0.089 R)
• M11: 5,254,625 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 11.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.48 AU - 1.72 AU

Year: 1307 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,514,397 km

• M1: 148,102 km (0.073 R)
• M2: 531,222 km (0.104 R)
• M3: 924,664 km (0.078 R)
• M4: 1,731,595 km (0.119 R)
• M5: 2,199,238 km (0.108 R)
• M6: 2,899,656 km (0.06 R)
• M7: 3,639,118 km (0.117 R)
• M8: 4,037,946 km (0.071 R)
• M9: 4,870,159 km (0.084 R)
• M10: 5,298,607 km (0.048 R)
• M11: 5,772,533 km (0.11 R)
• M12: 6,715,299 km (0.112 R)
• M13: 7,487,673 km (0.083 R)
• M14: 7,984,038 km (0.092 R)
• M15: 9,321,593 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 10.2

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.95 AU - 2.31 AU

Year: 2007 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,514,397 km

• M1: 126,859 km (0.086 R)
• M2: 496,665 km (0.066 R)
• M3: 882,627 km (0.111 R)
• M4: 1,387,371 km (0.101 R)
• M5: 2,309,791 km (0.109 R)
• M6: 2,664,488 km (0.095 R)
• M7: 3,070,347 km (0.113 R)
• M8: 3,731,569 km (0.078 R)
• M9: 4,447,096 km (0.081 R)
• M10: 5,294,119 km (0.056 R)
• M11: 5,778,816 km (0.055 R)
• M12: 6,812,238 km (0.062 R)
• M13: 8,872,351 km (0.105 R)
• M14: 9,685,864 km (0.115 R)
• M15: 10,651,069 km (0.068 R)
• M16: 12,273,907 km (0.119 R)
• M17: 13,605,029 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.9

Radius: 8.2

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.13 AU - 2.71 AU

Year: 2431 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,514,397 km

• M1: 108,010 km (0.076 R)
• M2: 365,019 km (0.113 R)
• M3: 705,653 km (0.039 R)
• M4: 1,109,717 km (0.084 R)
• M5: 1,450,351 km (0.12 R)
• M6: 2,831,588 km (0.112 R)
• M7: 3,115,974 km (0.116 R)
• M8: 4,024,332 km (0.117 R)
• M9: 4,319,938 km (0.04 R)
• M10: 5,995,434 km (0.068 R)
• M11: 6,639,453 km (0.108 R)
• M12: 8,570,462 km (0.093 R)
• M13: 9,423,918 km (0.049 R)
• M14: 10,808,446 km (0.103 R)
• M15: 11,676,114 km (0.057 R)
• M16: 13,086,523 km (0.1 R)
• M17: 14,805,103 km (0.041 R)
• M18: 15,978,848 km (0.081 R)
• M19: 17,601,386 km (0.12 R)
• M20: 17,995,277 km (0.118 R)
• M21: 18,859,056 km (0.085 R)
• M22: 19,871,085 km (0.11 R)
• M23: 20,175,517 km (0.103 R)
• M24: 20,918,869 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 13.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.95 AU - 3.91 AU

Year: 4102 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,514,397 km

• M1: 167,849 km (0.104 R)
• M2: 634,744 km (0.034 R)
• M3: 1,277,865 km (0.098 R)
• M4: 1,897,200 km (0.061 R)
• M5: 2,712,509 km (0.117 R)
• M6: 3,729,325 km (0.086 R)
• M7: 4,629,306 km (0.084 R)
• M8: 5,472,141 km (0.028 R)
• M9: 6,352,823 km (0.118 R)
• M10: 7,497,546 km (0.105 R)
• M11: 7,992,266 km (0.076 R)
• M12: 9,126,517 km (0.069 R)
• M13: 10,108,927 km (0.114 R)
• M14: 12,527,326 km (0.105 R)
• M15: 13,225,798 km (0.051 R)
• M16: 14,375,907 km (0.107 R)
• M17: 20,185,689 km (0.102 R)
• M18: 21,216,269 km (0.08 R)
• M19: 21,851,163 km (0.068 R)
• M20: 25,296,402 km (0.117 R)
• M21: 26,332,367 km (0.101 R)
• M22: 27,148,124 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.4

Radius: 8.9

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.81 AU - 4.68 AU

Year: 4670 Days

Day: 7 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,514,397 km

• M1: 112,198 km (0.115 R)
• M2: 483,351 km (0.111 R)
• M3: 1,224,907 km (0.031 R)
• M4: 1,605,634 km (0.075 R)
• M5: 1,884,484 km (0.118 R)
• M6: 2,364,544 km (0.077 R)
• M7: 3,091,739 km (0.109 R)
• M8: 5,089,170 km (0.073 R)
• M9: 5,844,639 km (0.076 R)
• M10: 7,098,419 km (0.097 R)
• M11: 8,372,544 km (0.073 R)
• M12: 10,214,243 km (0.102 R)
• M13: 11,275,341 km (0.118 R)
• M14: 12,457,164 km (0.112 R)
• M15: 13,306,581 km (0.1 R)
• M16: 13,824,040 km (0.101 R)
• M17: 15,856,028 km (0.116 R)
• M18: 18,395,003 km (0.118 R)
• M19: 18,778,572 km (0.087 R)
• M20: 19,232,751 km (0.105 R)
• M21: 21,970,392 km (0.064 R)
• M22: 23,732,057 km (0.075 R)
• M23: 26,386,072 km (0.072 R)
• M24: 28,205,183 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.1

Radius: 14.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.96 AU - 6 AU

Year: 9442 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 18,514,397 km

• M1: 180,864 km (0.113 R)
• M2: 778,956 km (0.088 R)
• M3: 1,255,575 km (0.077 R)
• M4: 2,498,883 km (0.103 R)
• M5: 2,977,446 km (0.076 R)
• M6: 3,687,438 km (0.097 R)
• M7: 4,258,154 km (0.101 R)
• M8: 5,131,656 km (0.058 R)
• M9: 6,227,460 km (0.073 R)
• M10: 6,774,689 km (0.091 R)
• M11: 8,092,946 km (0.111 R)
• M12: 8,612,649 km (0.025 R)
• M13: 10,357,409 km (0.119 R)
• M14: 11,075,628 km (0.077 R)
• M15: 12,611,848 km (0.05 R)
• M16: 13,075,901 km (0.099 R)
• M17: 14,790,592 km (0.055 R)
• M18: 15,835,533 km (0.038 R)
• M19: 16,928,944 km (0.077 R)
• M20: 18,072,320 km (0.109 R)
• M21: 22,993,043 km (0.093 R)
• M22: 29,446,097 km (0.081 R)
• M23: 31,309,338 km (0.057 R)
• M24: 32,811,899 km (0.103 R)
• M25: 35,844,697 km (0.101 R)
• M26: 43,376,351 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.3

Radius: 3.9

Gravity: 59.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.82 AU - 7.32 AU

Year: 10873 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 18,514,397 km

• M1: 49,966 km (0.06 R)
• M2: 236,514 km (0.109 R)
• M3: 467,793 km (0.081 R)
• M4: 762,052 km (0.111 R)
• M5: 1,707,660 km (0.098 R)
• M6: 1,978,133 km (0.093 R)
• M7: 2,540,321 km (0.116 R)
• M8: 2,668,826 km (0.031 R)
• M9: 3,177,608 km (0.085 R)
• M10: 3,377,770 km (0.104 R)
• M11: 3,586,310 km (0.081 R)
• M12: 4,116,185 km (0.049 R)
• M13: 4,507,683 km (0.112 R)
• M14: 5,434,442 km (0.055 R)
• M15: 5,867,976 km (0.074 R)
• M16: 6,844,701 km (0.091 R)
• M17: 8,577,194 km (0.087 R)
• M18: 11,141,750 km (0.118 R)
• M19: 12,018,693 km (0.076 R)
• M20: 13,842,889 km (0.088 R)
• M21: 15,273,494 km (0.062 R)
• M22: 15,414,565 km (0.109 R)
• M23: 20,406,646 km (0.065 R)
• M24: 21,010,572 km (0.045 R)
• M25: 21,715,029 km (0.064 R)
• M26: 22,709,406 km (0.102 R)
• M27: 23,639,156 km (0.119 R)
• M28: 26,478,973 km (0.12 R)
• M29: 26,887,674 km (0.042 R)
• M30: 30,310,025 km (0.065 R)
• M31: 34,252,527 km (0.074 R)
• M32: 42,995,176 km (0.041 R)
• M33: 49,633,133 km (0.116 R)
• M34: 50,880,480 km (0.038 R)
• M35: 51,037,857 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.4

Radius: 5.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.76 AU - 11.05 AU

Year: 18608 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,514,397 km

• M1: 70,161 km (0.099 R)
• M2: 478,863 km (0.086 R)
• M3: 788,231 km (0.115 R)
• M4: 1,250,040 km (0.109 R)
• M5: 1,536,071 km (0.076 R)
• M6: 3,877,128 km (0.114 R)
• M7: 5,348,423 km (0.095 R)
• M8: 5,542,900 km (0.042 R)
• M9: 6,868,487 km (0.095 R)
• M10: 8,856,344 km (0.108 R)
• M11: 16,747,930 km (0.069 R)
• M12: 17,589,568 km (0.058 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 16,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit