🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 8.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.93 AU - 0.99 AU

Year: 661 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,100,753 km

• M1: 103,223 km (0.107 R)
• M2: 609,911 km (0.105 R)
• M3: 1,237,474 km (0.085 R)
• M4: 1,594,713 km (0.062 R)
• M5: 2,242,921 km (0.112 R)
• M6: 2,758,884 km (0.111 R)
• M7: 3,454,514 km (0.088 R)
• M8: 3,776,000 km (0.099 R)
• M9: 4,451,733 km (0.047 R)
• M10: 4,732,229 km (0.114 R)
• M11: 5,039,354 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 13.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.97 AU - 1.13 AU

Year: 756 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,100,753 km

• M1: 172,935 km (0.044 R)
• M2: 701,764 km (0.117 R)
• M3: 1,144,873 km (0.056 R)
• M4: 1,728,304 km (0.089 R)
• M5: 2,858,367 km (0.064 R)
• M6: 3,369,094 km (0.118 R)
• M7: 4,235,265 km (0.046 R)
• M8: 4,770,676 km (0.12 R)
• M9: 5,902,384 km (0.104 R)
• M10: 6,390,372 km (0.085 R)
• M11: 7,184,139 km (0.045 R)
• M12: 7,833,393 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 8.8

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.84 AU - 2.66 AU

Year: 2372 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,100,753 km

• M1: 159,621 km (0.087 R)
• M2: 627,114 km (0.091 R)
• M3: 1,175,091 km (0.08 R)
• M4: 1,513,332 km (0.101 R)
• M5: 2,334,176 km (0.111 R)
• M6: 2,764,120 km (0.115 R)
• M7: 3,124,950 km (0.106 R)
• M8: 4,250,524 km (0.115 R)
• M9: 5,677,688 km (0.049 R)
• M10: 6,181,234 km (0.085 R)
• M11: 7,066,255 km (0.11 R)
• M12: 8,098,930 km (0.091 R)
• M13: 8,702,856 km (0.112 R)
• M14: 9,336,553 km (0.119 R)
• M15: 12,312,503 km (0.071 R)
• M16: 15,157,855 km (0.107 R)
• M17: 16,126,650 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 12.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.24 AU - 3.3 AU

Year: 4157 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,100,753 km

• M1: 156,629 km (0.113 R)
• M2: 844,630 km (0.111 R)
• M3: 1,455,886 km (0.102 R)
• M4: 2,686,030 km (0.113 R)
• M5: 3,639,716 km (0.049 R)
• M6: 4,774,566 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 11.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.17 AU - 4.75 AU

Year: 5539 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,100,753 km

• M1: 192,084 km (0.116 R)
• M2: 565,031 km (0.077 R)
• M3: 995,125 km (0.065 R)
• M4: 2,172,759 km (0.069 R)
• M5: 2,541,668 km (0.068 R)
• M6: 3,145,594 km (0.116 R)
• M7: 3,556,689 km (0.104 R)
• M8: 4,615,693 km (0.098 R)
• M9: 5,843,742 km (0.118 R)
• M10: 7,891,288 km (0.109 R)
• M11: 8,421,762 km (0.038 R)
• M12: 10,648,825 km (0.119 R)
• M13: 11,016,238 km (0.098 R)
• M14: 11,535,193 km (0.08 R)
• M15: 12,930,342 km (0.118 R)
• M16: 13,993,534 km (0.108 R)
• M17: 15,874,129 km (0.118 R)
• M18: 16,968,288 km (0.116 R)
• M19: 18,372,862 km (0.096 R)
• M20: 20,907,798 km (0.115 R)
• M21: 26,661,781 km (0.092 R)
• M22: 27,598,563 km (0.102 R)
• M23: 28,205,931 km (0.088 R)
• M24: 31,566,048 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 15

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.12 AU - 4.94 AU

Year: 5687 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,100,753 km

• M1: 186,549 km (0.073 R)
• M2: 1,095,056 km (0.091 R)
• M3: 2,067,592 km (0.104 R)
• M4: 2,902,947 km (0.041 R)
• M5: 4,375,289 km (0.11 R)
• M6: 5,076,604 km (0.112 R)
• M7: 7,198,500 km (0.117 R)
• M8: 8,620,129 km (0.101 R)
• M9: 9,161,822 km (0.091 R)
• M10: 10,084,991 km (0.068 R)
• M11: 13,229,987 km (0.05 R)
• M12: 13,839,598 km (0.099 R)
• M13: 14,877,658 km (0.115 R)
• M14: 18,168,811 km (0.101 R)
• M15: 18,784,107 km (0.036 R)
• M16: 20,787,971 km (0.044 R)
• M17: 21,461,311 km (0.036 R)
• M18: 22,226,504 km (0.073 R)
• M19: 23,328,292 km (0.072 R)
• M20: 24,881,417 km (0.086 R)
• M21: 27,205,869 km (0.114 R)
• M22: 29,484,244 km (0.101 R)
• M23: 33,186,941 km (0.064 R)
• M24: 34,521,953 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 11.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.41 AU - 4.69 AU

Year: 5729 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,100,753 km

• M1: 147,354 km (0.098 R)
• M2: 670,498 km (0.074 R)
• M3: 1,332,767 km (0.117 R)
• M4: 2,317,720 km (0.114 R)
• M5: 3,135,871 km (0.051 R)
• M6: 4,699,617 km (0.066 R)
• M7: 5,607,676 km (0.109 R)
• M8: 6,428,819 km (0.114 R)
• M9: 7,007,763 km (0.068 R)
• M10: 9,854,760 km (0.044 R)
• M11: 10,303,404 km (0.116 R)
• M12: 11,387,390 km (0.074 R)
• M13: 11,881,811 km (0.091 R)
• M14: 12,287,670 km (0.11 R)
• M15: 14,514,733 km (0.119 R)
• M16: 16,182,450 km (0.037 R)
• M17: 18,781,564 km (0.049 R)
• M18: 21,572,462 km (0.108 R)
• M19: 22,561,304 km (0.061 R)
• M20: 26,047,532 km (0.044 R)
• M21: 30,535,020 km (0.062 R)
• M22: 33,763,791 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.6

Radius: 7.9

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.65 AU - 7.79 AU

Year: 12245 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,100,753 km

• M1: 98,286 km (0.04 R)
• M2: 344,823 km (0.043 R)
• M3: 785,688 km (0.094 R)
• M4: 1,557,164 km (0.083 R)
• M5: 1,826,141 km (0.088 R)
• M6: 4,582,332 km (0.085 R)
• M7: 4,872,552 km (0.087 R)
• M8: 6,314,526 km (0.094 R)
• M9: 8,881,027 km (0.089 R)
• M10: 10,896,559 km (0.082 R)
• M11: 11,650,981 km (0.114 R)
• M12: 13,199,020 km (0.094 R)
• M13: 13,590,069 km (0.095 R)
• M14: 15,303,264 km (0.088 R)
• M15: 16,027,168 km (0.098 R)
• M16: 17,778,660 km (0.085 R)
• M17: 19,738,392 km (0.113 R)
• M18: 20,945,796 km (0.084 R)
• M19: 24,665,996 km (0.073 R)
• M20: 25,559,993 km (0.083 R)
• M21: 40,713,210 km (0.055 R)
• M22: 43,951,555 km (0.1 R)
• M23: 45,264,127 km (0.118 R)
• M24: 46,004,487 km (0.048 R)
• M25: 49,514,651 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 13,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit