🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 11

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.14 AU - 1.28 AU

Year: 888 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,340,026 km

• M1: 136,882 km (0.051 R)
• M2: 544,835 km (0.09 R)
• M3: 958,474 km (0.095 R)
• M4: 1,757,625 km (0.054 R)
• M5: 2,363,198 km (0.075 R)
• M6: 2,705,777 km (0.044 R)
• M7: 3,516,448 km (0.096 R)
• M8: 4,094,344 km (0.113 R)
• M9: 4,649,203 km (0.114 R)
• M10: 5,041,598 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 10.8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.08 AU - 1.56 AU

Year: 1011 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,340,026 km

• M1: 136,284 km (0.101 R)
• M2: 478,564 km (0.058 R)
• M3: 1,050,626 km (0.072 R)
• M4: 1,725,013 km (0.056 R)
• M5: 2,101,401 km (0.101 R)
• M6: 2,569,493 km (0.114 R)
• M7: 3,106,400 km (0.066 R)
• M8: 3,654,078 km (0.107 R)
• M9: 4,213,125 km (0.101 R)
• M10: 4,641,573 km (0.081 R)
• M11: 5,338,849 km (0.102 R)
• M12: 6,941,790 km (0.048 R)
• M13: 7,439,203 km (0.046 R)
• M14: 8,175,224 km (0.083 R)
• M15: 8,901,672 km (0.06 R)
• M16: 9,489,143 km (0.074 R)
• M17: 10,482,921 km (0.098 R)
• M18: 10,840,161 km (0.047 R)
• M19: 11,579,025 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 12.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.33 AU - 1.79 AU

Year: 1299 Days

Day: 13.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,340,026 km

• M1: 160,369 km (0.067 R)
• M2: 609,611 km (0.097 R)
• M3: 1,319,603 km (0.12 R)
• M4: 2,301,264 km (0.032 R)
• M5: 2,876,617 km (0.097 R)
• M6: 3,332,293 km (0.116 R)
• M7: 4,355,093 km (0.088 R)
• M8: 4,803,588 km (0.119 R)
• M9: 5,428,608 km (0.102 R)
• M10: 6,646,933 km (0.055 R)
• M11: 7,091,238 km (0.12 R)
• M12: 7,502,932 km (0.103 R)
• M13: 8,067,514 km (0.119 R)
• M14: 9,041,695 km (0.049 R)
• M15: 9,464,908 km (0.047 R)
• M16: 10,781,668 km (0.104 R)
• M17: 11,431,671 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 13.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.11 AU - 4.23 AU

Year: 4688 Days

Day: 13.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,340,026 km

• M1: 177,124 km (0.051 R)
• M2: 912,397 km (0.095 R)
• M3: 1,413,251 km (0.058 R)
• M4: 2,977,446 km (0.049 R)
• M5: 4,069,660 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 8.8

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.77 AU - 5.91 AU

Year: 8229 Days

Day: 14.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,340,026 km

• M1: 109,506 km (0.097 R)
• M2: 406,757 km (0.107 R)
• M3: 720,613 km (0.094 R)
• M4: 1,310,926 km (0.072 R)
• M5: 2,007,903 km (0.074 R)
• M6: 3,061,670 km (0.1 R)
• M7: 4,818,547 km (0.047 R)
• M8: 7,296,786 km (0.102 R)
• M9: 8,581,233 km (0.113 R)
• M10: 15,186,877 km (0.041 R)
• M11: 16,611,946 km (0.102 R)
• M12: 17,206,149 km (0.104 R)
• M13: 19,009,850 km (0.106 R)
• M14: 20,257,796 km (0.104 R)
• M15: 21,559,596 km (0.095 R)
• M16: 23,876,568 km (0.116 R)
• M17: 24,404,798 km (0.106 R)
• M18: 26,274,772 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 14.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.97 AU - 6.03 AU

Year: 8601 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,340,026 km

• M1: 177,872 km (0.114 R)
• M2: 643,720 km (0.103 R)
• M3: 1,419,085 km (0.086 R)
• M4: 2,312,783 km (0.101 R)
• M5: 3,579,428 km (0.069 R)
• M6: 4,564,829 km (0.103 R)
• M7: 6,272,938 km (0.106 R)
• M8: 7,364,853 km (0.078 R)
• M9: 8,334,845 km (0.08 R)
• M10: 11,356,124 km (0.111 R)
• M11: 15,780,032 km (0.044 R)
• M12: 16,798,644 km (0.071 R)
• M13: 17,257,910 km (0.102 R)
• M14: 20,339,476 km (0.102 R)
• M15: 22,010,335 km (0.059 R)
• M16: 23,120,201 km (0.051 R)
• M17: 24,854,639 km (0.078 R)
• M18: 25,365,815 km (0.112 R)
• M19: 25,884,022 km (0.093 R)
• M20: 29,520,896 km (0.04 R)
• M21: 30,190,645 km (0.05 R)
• M22: 31,362,296 km (0.085 R)
• M23: 32,564,165 km (0.115 R)
• M24: 33,279,393 km (0.117 R)
• M25: 34,529,582 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 14.7

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.64 AU - 5.64 AU

Year: 8932 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 79.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,340,026 km

• M1: 182,958 km (0.102 R)
• M2: 879,635 km (0.103 R)
• M3: 1,540,559 km (0.091 R)
• M4: 2,468,215 km (0.096 R)
• M5: 3,261,383 km (0.117 R)
• M6: 4,443,655 km (0.035 R)
• M7: 5,358,297 km (0.09 R)
• M8: 7,040,076 km (0.056 R)
• M9: 7,896,224 km (0.053 R)
• M10: 10,728,860 km (0.086 R)
• M11: 14,244,859 km (0.041 R)
• M12: 14,952,008 km (0.116 R)
• M13: 17,577,151 km (0.114 R)
• M14: 19,777,437 km (0.086 R)
• M15: 28,774,402 km (0.068 R)
• M16: 32,918,862 km (0.087 R)
• M17: 33,589,958 km (0.062 R)
• M18: 35,191,403 km (0.119 R)
• M19: 35,775,433 km (0.114 R)
• M20: 42,634,944 km (0.108 R)
• M21: 43,835,168 km (0.095 R)
• M22: 44,920,800 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 3

Gravity: 80.76 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.18 AU - 8.96 AU

Year: 13889 Days

Day: 21.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,340,026 km

• M1: 37,250 km (0.055 R)
• M2: 467,793 km (0.053 R)
• M3: 1,302,249 km (0.106 R)
• M4: 1,780,065 km (0.064 R)
• M5: 3,244,628 km (0.072 R)
• M6: 3,959,108 km (0.095 R)
• M7: 4,198,614 km (0.072 R)
• M8: 6,596,967 km (0.041 R)
• M9: 8,738,161 km (0.088 R)
• M10: 11,600,118 km (0.087 R)
• M11: 13,306,581 km (0.05 R)
• M12: 13,572,865 km (0.075 R)
• M13: 14,253,984 km (0.093 R)
• M14: 14,392,961 km (0.097 R)
• M15: 24,884,110 km (0.079 R)
• M16: 25,799,200 km (0.075 R)
• M17: 25,902,273 km (0.113 R)
• M18: 30,828,980 km (0.039 R)
• M19: 35,446,617 km (0.029 R)
• M20: 35,701,681 km (0.046 R)
• M21: 53,178,453 km (0.074 R)
• M22: 56,237,131 km (0.104 R)
• M23: 56,584,048 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.4

Radius: 3.7

Gravity: 26.54 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.21 AU - 8.97 AU

Year: 13944 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,340,026 km

• M1: 55,501 km (0.107 R)
• M2: 205,996 km (0.117 R)
• M3: 612,005 km (0.114 R)
• M4: 1,154,297 km (0.108 R)
• M5: 1,275,621 km (0.089 R)
• M6: 2,303,508 km (0.092 R)
• M7: 2,916,111 km (0.09 R)
• M8: 4,167,647 km (0.108 R)
• M9: 4,664,162 km (0.11 R)
• M10: 6,655,011 km (0.095 R)
• M11: 9,148,807 km (0.072 R)
• M12: 9,932,850 km (0.073 R)
• M13: 12,789,421 km (0.105 R)
• M14: 13,580,644 km (0.073 R)
• M15: 16,219,102 km (0.075 R)
• M16: 18,561,057 km (0.107 R)
• M17: 24,541,680 km (0.105 R)
• M18: 25,005,583 km (0.098 R)
• M19: 26,529,387 km (0.057 R)
• M20: 29,865,719 km (0.061 R)
• M21: 30,929,210 km (0.085 R)
• M22: 32,128,088 km (0.064 R)
• M23: 34,967,305 km (0.108 R)
• M24: 36,267,909 km (0.03 R)
• M25: 36,748,717 km (0.118 R)
• M26: 40,362,553 km (0.05 R)
• M27: 44,616,967 km (0.098 R)
• M28: 46,005,384 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.1

Radius: 7.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.72 AU - 12.22 AU

Year: 22592 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,340,026 km

• M1: 93,349 km (0.098 R)
• M2: 1,038,060 km (0.08 R)
• M3: 3,952,974 km (0.101 R)
• M4: 5,468,700 km (0.075 R)
• M5: 8,694,329 km (0.025 R)
• M6: 17,986,002 km (0.097 R)
• M7: 18,271,136 km (0.052 R)
• M8: 26,237,073 km (0.052 R)
• M9: 31,278,222 km (0.086 R)
• M10: 32,738,148 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 16,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit