🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 13.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.96 AU - 1.04 AU

Year: 667 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,190,393 km

• M1: 173,085 km (0.08 R)
• M2: 607,517 km (0.1 R)
• M3: 1,182,571 km (0.107 R)
• M4: 1,792,781 km (0.035 R)
• M5: 2,775,041 km (0.076 R)
• M6: 3,486,528 km (0.073 R)
• M7: 4,231,226 km (0.115 R)
• M8: 5,309,079 km (0.114 R)
• M9: 5,753,534 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 8.2

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.66 AU - 1.68 AU

Year: 1439 Days

Day: 14.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,190,393 km

• M1: 102,026 km (0.105 R)
• M2: 371,751 km (0.056 R)
• M3: 1,083,238 km (0.079 R)
• M4: 1,462,319 km (0.11 R)
• M5: 2,190,711 km (0.061 R)
• M6: 2,489,907 km (0.077 R)
• M7: 3,039,978 km (0.065 R)
• M8: 3,885,356 km (0.072 R)
• M9: 4,344,472 km (0.116 R)
• M10: 4,999,112 km (0.096 R)
• M11: 5,829,081 km (0.091 R)
• M12: 7,732,864 km (0.102 R)
• M13: 8,575,848 km (0.032 R)
• M14: 9,019,704 km (0.11 R)
• M15: 9,447,704 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 14.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.23 AU - 3.49 AU

Year: 3225 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,190,393 km

• M1: 179,069 km (0.047 R)
• M2: 629,059 km (0.058 R)
• M3: 1,231,789 km (0.103 R)
• M4: 2,118,904 km (0.106 R)
• M5: 2,655,063 km (0.036 R)
• M6: 3,231,613 km (0.095 R)
• M7: 4,163,758 km (0.117 R)
• M8: 4,661,320 km (0.058 R)
• M9: 5,129,262 km (0.1 R)
• M10: 6,425,528 km (0.098 R)
• M11: 7,503,979 km (0.089 R)
• M12: 8,699,864 km (0.115 R)
• M13: 9,239,912 km (0.111 R)
• M14: 10,165,624 km (0.059 R)
• M15: 12,118,624 km (0.1 R)
• M16: 12,879,629 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 10.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.83 AU - 3.53 AU

Year: 3782 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,190,393 km

• M1: 133,142 km (0.11 R)
• M2: 466,147 km (0.101 R)
• M3: 930,349 km (0.112 R)
• M4: 1,376,600 km (0.089 R)
• M5: 1,772,136 km (0.066 R)
• M6: 2,157,201 km (0.055 R)
• M7: 4,025,679 km (0.105 R)
• M8: 4,411,641 km (0.091 R)
• M9: 5,692,947 km (0.109 R)
• M10: 7,174,714 km (0.078 R)
• M11: 7,573,841 km (0.036 R)
• M12: 10,754,142 km (0.091 R)
• M13: 11,145,341 km (0.112 R)
• M14: 12,048,762 km (0.051 R)
• M15: 15,323,759 km (0.095 R)
• M16: 15,819,676 km (0.117 R)
• M17: 16,383,211 km (0.08 R)
• M18: 18,154,450 km (0.041 R)
• M19: 18,523,508 km (0.062 R)
• M20: 19,532,096 km (0.062 R)
• M21: 22,777,772 km (0.081 R)
• M22: 23,861,758 km (0.105 R)
• M23: 24,379,067 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 9.2

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.01 AU - 4.03 AU

Year: 5375 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,190,393 km

• M1: 120,277 km (0.051 R)
• M2: 407,056 km (0.072 R)
• M3: 823,237 km (0.088 R)
• M4: 1,434,195 km (0.087 R)
• M5: 1,910,514 km (0.075 R)
• M6: 3,222,039 km (0.059 R)
• M7: 4,516,509 km (0.068 R)
• M8: 6,001,867 km (0.096 R)
• M9: 7,566,062 km (0.042 R)
• M10: 7,977,157 km (0.097 R)
• M11: 8,682,062 km (0.056 R)
• M12: 9,008,485 km (0.079 R)
• M13: 9,772,780 km (0.105 R)
• M14: 12,173,527 km (0.085 R)
• M15: 15,176,106 km (0.093 R)
• M16: 17,777,613 km (0.055 R)
• M17: 22,291,878 km (0.108 R)
• M18: 23,293,884 km (0.063 R)
• M19: 23,687,327 km (0.085 R)
• M20: 25,804,286 km (0.051 R)
• M21: 28,939,708 km (0.094 R)
• M22: 31,739,432 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 11.7

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.73 AU - 4.79 AU

Year: 5863 Days

Day: 10.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,190,393 km

• M1: 145,858 km (0.112 R)
• M2: 509,680 km (0.117 R)
• M3: 973,284 km (0.066 R)
• M4: 1,504,057 km (0.077 R)
• M5: 2,528,354 km (0.118 R)
• M6: 3,099,668 km (0.12 R)
• M7: 3,969,729 km (0.09 R)
• M8: 4,744,496 km (0.109 R)
• M9: 5,315,212 km (0.087 R)
• M10: 5,835,813 km (0.108 R)
• M11: 10,534,981 km (0.047 R)
• M12: 10,917,353 km (0.098 R)
• M13: 11,811,799 km (0.105 R)
• M14: 14,319,508 km (0.08 R)
• M15: 17,559,798 km (0.094 R)
• M16: 18,996,985 km (0.076 R)
• M17: 19,997,795 km (0.037 R)
• M18: 22,574,319 km (0.087 R)
• M19: 25,707,347 km (0.065 R)
• M20: 27,919,899 km (0.117 R)
• M21: 29,025,876 km (0.109 R)
• M22: 29,400,918 km (0.075 R)
• M23: 30,065,133 km (0.098 R)
• M24: 31,521,917 km (0.089 R)
• M25: 32,720,944 km (0.097 R)
• M26: 33,331,752 km (0.083 R)
• M27: 35,529,494 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 14.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.14 AU - 6.66 AU

Year: 8368 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,190,393 km

• M1: 180,265 km (0.119 R)
• M2: 899,382 km (0.116 R)
• M3: 1,360,742 km (0.105 R)
• M4: 2,501,875 km (0.055 R)
• M5: 3,014,846 km (0.076 R)
• M6: 3,536,643 km (0.068 R)
• M7: 4,714,577 km (0.1 R)
• M8: 5,205,557 km (0.092 R)
• M9: 6,110,325 km (0.104 R)
• M10: 7,731,517 km (0.092 R)
• M11: 8,756,562 km (0.076 R)
• M12: 9,302,145 km (0.112 R)
• M13: 11,121,555 km (0.08 R)
• M14: 12,331,053 km (0.084 R)
• M15: 13,269,182 km (0.116 R)
• M16: 14,575,321 km (0.082 R)
• M17: 16,782,039 km (0.086 R)
• M18: 23,222,975 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 18,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit