🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 116.7

Radius: 12.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.73 AU - 1.03 AU

Year: 550 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,753,497 km

• M1: 160,219 km (0.08 R)
• M2: 562,039 km (0.118 R)
• M3: 1,119,142 km (0.051 R)
• M4: 1,579,903 km (0.084 R)
• M5: 3,724,837 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 14.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.98 AU - 1.06 AU

Year: 687 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,753,497 km

• M1: 183,108 km (0.113 R)
• M2: 688,150 km (0.071 R)
• M3: 1,360,443 km (0.093 R)
• M4: 2,800,921 km (0.101 R)
• M5: 3,472,915 km (0.104 R)
• M6: 4,301,986 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 10.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.88 AU - 1.18 AU

Year: 697 Days

Day: 12.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,753,497 km

• M1: 133,142 km (0.118 R)
• M2: 486,941 km (0.109 R)
• M3: 878,588 km (0.049 R)
• M4: 1,348,326 km (0.114 R)
• M5: 2,135,360 km (0.114 R)
• M6: 2,632,175 km (0.085 R)
• M7: 4,370,352 km (0.12 R)
• M8: 6,138,001 km (0.068 R)
• M9: 6,770,500 km (0.067 R)
• M10: 8,115,834 km (0.118 R)
• M11: 8,773,766 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 14

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.92 AU - 2.44 AU

Year: 2146 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,753,497 km

• M1: 174,132 km (0.088 R)
• M2: 711,338 km (0.087 R)
• M3: 1,179,280 km (0.105 R)
• M4: 1,695,841 km (0.072 R)
• M5: 2,534,338 km (0.053 R)
• M6: 3,080,370 km (0.037 R)
• M7: 3,600,821 km (0.045 R)
• M8: 4,452,332 km (0.113 R)
• M9: 5,503,406 km (0.071 R)
• M10: 6,149,819 km (0.119 R)
• M11: 9,061,741 km (0.102 R)
• M12: 10,855,121 km (0.112 R)
• M13: 11,376,020 km (0.092 R)
• M14: 12,149,292 km (0.097 R)
• M15: 13,206,500 km (0.04 R)
• M16: 14,412,708 km (0.045 R)
• M17: 15,644,197 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 8.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.33 AU - 3.33 AU

Year: 3175 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,753,497 km

• M1: 115,340 km (0.08 R)
• M2: 660,325 km (0.053 R)
• M3: 1,094,458 km (0.055 R)
• M4: 1,613,862 km (0.111 R)
• M5: 1,960,929 km (0.113 R)
• M6: 2,769,057 km (0.062 R)
• M7: 3,313,742 km (0.097 R)
• M8: 3,767,772 km (0.096 R)
• M9: 4,437,222 km (0.1 R)
• M10: 5,105,626 km (0.064 R)
• M11: 5,382,980 km (0.094 R)
• M12: 6,077,114 km (0.1 R)
• M13: 6,434,653 km (0.06 R)
• M14: 8,274,109 km (0.055 R)
• M15: 8,939,520 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 10.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.78 AU - 4.1 AU

Year: 5215 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,753,497 km

• M1: 129,402 km (0.117 R)
• M2: 448,494 km (0.119 R)
• M3: 985,850 km (0.11 R)
• M4: 1,419,833 km (0.094 R)
• M5: 1,923,978 km (0.087 R)
• M6: 2,274,187 km (0.105 R)
• M7: 2,793,740 km (0.043 R)
• M8: 4,902,621 km (0.085 R)
• M9: 5,494,580 km (0.108 R)
• M10: 6,357,162 km (0.073 R)
• M11: 6,768,556 km (0.119 R)
• M12: 8,471,727 km (0.094 R)
• M13: 9,422,871 km (0.082 R)
• M14: 10,233,841 km (0.063 R)
• M15: 10,620,850 km (0.08 R)
• M16: 13,233,876 km (0.106 R)
• M17: 13,735,777 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 14.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.2 AU - 4.86 AU

Year: 5395 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,753,497 km

• M1: 175,329 km (0.065 R)
• M2: 740,809 km (0.086 R)
• M3: 1,272,031 km (0.106 R)
• M4: 1,740,122 km (0.104 R)
• M5: 2,577,721 km (0.107 R)
• M6: 3,946,841 km (0.034 R)
• M7: 8,461,256 km (0.095 R)
• M8: 10,570,436 km (0.098 R)
• M9: 11,329,645 km (0.109 R)
• M10: 13,171,045 km (0.083 R)
• M11: 15,323,459 km (0.116 R)
• M12: 16,110,943 km (0.08 R)
• M13: 20,387,946 km (0.059 R)
• M14: 21,192,483 km (0.084 R)
• M15: 22,787,047 km (0.119 R)
• M16: 25,704,804 km (0.114 R)
• M17: 27,341,255 km (0.097 R)
• M18: 28,590,696 km (0.116 R)
• M19: 30,820,901 km (0.091 R)
• M20: 32,272,300 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386

Radius: 3.1

Gravity: 40.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.17 AU - 7.45 AU

Year: 10570 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,753,497 km

• M1: 40,092 km (0.051 R)
• M2: 226,342 km (0.1 R)
• M3: 352,303 km (0.109 R)
• M4: 487,539 km (0.055 R)
• M5: 649,554 km (0.111 R)
• M6: 1,124,677 km (0.111 R)
• M7: 1,309,281 km (0.042 R)
• M8: 1,554,172 km (0.101 R)
• M9: 2,202,978 km (0.034 R)
• M10: 2,344,498 km (0.115 R)
• M11: 3,904,654 km (0.059 R)
• M12: 7,559,779 km (0.091 R)
• M13: 8,171,484 km (0.103 R)
• M14: 8,684,007 km (0.12 R)
• M15: 9,308,877 km (0.098 R)
• M16: 11,206,227 km (0.085 R)
• M17: 12,163,055 km (0.094 R)
• M18: 12,272,561 km (0.069 R)
• M19: 13,288,480 km (0.107 R)
• M20: 13,698,228 km (0.052 R)
• M21: 14,666,426 km (0.094 R)
• M22: 14,790,442 km (0.056 R)
• M23: 19,143,441 km (0.044 R)
• M24: 21,131,597 km (0.08 R)
• M25: 22,668,416 km (0.033 R)
• M26: 25,066,619 km (0.063 R)
• M27: 26,602,241 km (0.05 R)
• M28: 28,103,755 km (0.075 R)
• M29: 30,058,850 km (0.058 R)
• M30: 30,662,627 km (0.052 R)
• M31: 33,694,976 km (0.073 R)
• M32: 35,339,206 km (0.116 R)
• M33: 39,143,031 km (0.045 R)
• M34: 41,081,670 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.8

Radius: 3.7

Gravity: 42.72 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.05 AU - 7.57 AU

Year: 11851 Days

Day: 19.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,753,497 km

• M1: 46,076 km (0.032 R)
• M2: 228,286 km (0.055 R)
• M3: 357,838 km (0.114 R)
• M4: 766,988 km (0.071 R)
• M5: 992,731 km (0.113 R)
• M6: 2,190,113 km (0.092 R)
• M7: 2,728,964 km (0.063 R)
• M8: 3,629,992 km (0.083 R)
• M9: 3,761,788 km (0.093 R)
• M10: 4,091,053 km (0.109 R)
• M11: 5,328,078 km (0.06 R)
• M12: 5,672,452 km (0.12 R)
• M13: 7,240,986 km (0.104 R)
• M14: 9,819,305 km (0.057 R)
• M15: 12,229,925 km (0.109 R)
• M16: 13,953,442 km (0.081 R)
• M17: 14,540,165 km (0.113 R)
• M18: 15,902,403 km (0.108 R)
• M19: 17,199,118 km (0.102 R)
• M20: 21,167,800 km (0.107 R)
• M21: 22,556,217 km (0.107 R)
• M22: 23,636,464 km (0.118 R)
• M23: 24,189,377 km (0.086 R)
• M24: 25,129,899 km (0.115 R)
• M25: 25,512,870 km (0.076 R)
• M26: 26,388,765 km (0.087 R)
• M27: 28,717,705 km (0.098 R)
• M28: 29,558,894 km (0.112 R)
• M29: 33,202,649 km (0.081 R)
• M30: 33,663,710 km (0.109 R)
• M31: 38,511,279 km (0.104 R)
• M32: 43,803,753 km (0.116 R)
• M33: 47,930,111 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 6.8

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.44 AU - 8.24 AU

Year: 13261 Days

Day: 20 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,753,497 km

• M1: 84,523 km (0.114 R)
• M2: 342,878 km (0.045 R)
• M3: 688,898 km (0.12 R)
• M4: 1,479,673 km (0.108 R)
• M5: 2,701,738 km (0.064 R)
• M6: 3,593,790 km (0.06 R)
• M7: 5,798,713 km (0.086 R)
• M8: 7,646,994 km (0.096 R)
• M9: 8,494,765 km (0.114 R)
• M10: 10,375,809 km (0.109 R)
• M11: 11,357,022 km (0.107 R)
• M12: 13,820,599 km (0.114 R)
• M13: 19,611,982 km (0.115 R)
• M14: 19,937,806 km (0.071 R)
• M15: 23,307,498 km (0.094 R)
• M16: 30,599,646 km (0.081 R)
• M17: 31,703,828 km (0.025 R)
• M18: 47,533,676 km (0.105 R)
• M19: 51,289,929 km (0.104 R)
• M20: 51,753,533 km (0.092 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: 179 - 13,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit