🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 13.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.95 AU - 1.31 AU

Year: 844 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,660,614 km

• M1: 164,408 km (0.062 R)
• M2: 621,878 km (0.045 R)
• M3: 1,129,015 km (0.044 R)
• M4: 1,755,980 km (0.069 R)
• M5: 2,177,098 km (0.083 R)
• M6: 2,725,374 km (0.057 R)
• M7: 3,392,730 km (0.118 R)
• M8: 3,886,403 km (0.118 R)
• M9: 4,494,967 km (0.075 R)
• M10: 6,213,996 km (0.087 R)
• M11: 6,844,551 km (0.096 R)
• M12: 7,374,876 km (0.091 R)
• M13: 7,932,277 km (0.068 R)
• M14: 8,491,923 km (0.078 R)
• M15: 8,915,285 km (0.034 R)
• M16: 9,408,360 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.1

Radius: 10.4

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.66 AU - 1.68 AU

Year: 1517 Days

Day: 14.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 120.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,660,614 km

• M1: 129,552 km (0.066 R)
• M2: 502,499 km (0.062 R)
• M3: 911,799 km (0.102 R)
• M4: 1,252,284 km (0.09 R)
• M5: 1,709,455 km (0.12 R)
• M6: 2,426,926 km (0.064 R)
• M7: 3,024,271 km (0.032 R)
• M8: 3,350,244 km (0.093 R)
• M9: 5,644,178 km (0.111 R)
• M10: 6,068,886 km (0.116 R)
• M11: 6,514,688 km (0.053 R)
• M12: 7,528,214 km (0.109 R)
• M13: 8,280,093 km (0.087 R)
• M14: 9,241,109 km (0.103 R)
• M15: 9,732,089 km (0.102 R)
• M16: 11,421,049 km (0.11 R)
• M17: 12,610,801 km (0.077 R)
• M18: 14,093,915 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 11.6

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.92 AU - 3.3 AU

Year: 3855 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,660,614 km

• M1: 144,212 km (0.078 R)
• M2: 551,567 km (0.12 R)
• M3: 959,371 km (0.119 R)
• M4: 1,347,877 km (0.092 R)
• M5: 2,289,595 km (0.089 R)
• M6: 2,860,012 km (0.068 R)
• M7: 3,647,346 km (0.07 R)
• M8: 4,696,775 km (0.058 R)
• M9: 5,105,626 km (0.051 R)
• M10: 5,879,047 km (0.12 R)
• M11: 6,665,483 km (0.078 R)
• M12: 7,904,153 km (0.105 R)
• M13: 8,862,327 km (0.029 R)
• M14: 11,009,057 km (0.087 R)
• M15: 12,685,002 km (0.113 R)
• M16: 13,079,342 km (0.054 R)
• M17: 14,685,873 km (0.098 R)
• M18: 15,508,811 km (0.089 R)
• M19: 16,712,177 km (0.06 R)
• M20: 18,038,661 km (0.065 R)
• M21: 18,475,038 km (0.12 R)
• M22: 20,358,774 km (0.104 R)
• M23: 21,520,850 km (0.049 R)
• M24: 24,580,725 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.6

Radius: 10.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.75 AU - 4.27 AU

Year: 4622 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,660,614 km

• M1: 143,614 km (0.087 R)
• M2: 573,109 km (0.072 R)
• M3: 961,316 km (0.092 R)
• M4: 1,710,502 km (0.049 R)
• M5: 2,690,966 km (0.086 R)
• M6: 3,034,144 km (0.05 R)
• M7: 3,593,790 km (0.089 R)
• M8: 4,244,840 km (0.099 R)
• M9: 4,764,094 km (0.075 R)
• M10: 5,465,409 km (0.085 R)
• M11: 5,811,578 km (0.07 R)
• M12: 6,807,451 km (0.115 R)
• M13: 7,346,303 km (0.076 R)
• M14: 8,320,185 km (0.026 R)
• M15: 12,735,716 km (0.098 R)
• M16: 13,977,527 km (0.073 R)
• M17: 15,699,100 km (0.101 R)
• M18: 17,807,682 km (0.057 R)
• M19: 19,225,870 km (0.098 R)
• M20: 22,286,193 km (0.117 R)
• M21: 25,817,900 km (0.058 R)
• M22: 26,468,052 km (0.046 R)
• M23: 29,353,645 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.4

Radius: 9

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.36 AU - 5.4 AU

Year: 7578 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,660,614 km

• M1: 111,899 km (0.076 R)
• M2: 486,642 km (0.051 R)
• M3: 1,250,040 km (0.075 R)
• M4: 2,065,199 km (0.117 R)
• M5: 3,574,342 km (0.111 R)
• M6: 4,275,208 km (0.079 R)
• M7: 4,702,609 km (0.106 R)
• M8: 5,127,168 km (0.116 R)
• M9: 5,478,424 km (0.066 R)
• M10: 6,123,041 km (0.09 R)
• M11: 7,977,157 km (0.104 R)
• M12: 8,275,754 km (0.09 R)
• M13: 8,581,831 km (0.098 R)
• M14: 10,078,857 km (0.081 R)
• M15: 11,364,053 km (0.094 R)
• M16: 11,742,685 km (0.085 R)
• M17: 12,073,895 km (0.102 R)
• M18: 12,468,235 km (0.053 R)
• M19: 12,813,058 km (0.116 R)
• M20: 16,345,512 km (0.111 R)
• M21: 18,780,367 km (0.068 R)
• M22: 19,694,560 km (0.1 R)
• M23: 20,558,338 km (0.046 R)
• M24: 22,277,367 km (0.09 R)
• M25: 23,214,897 km (0.079 R)
• M26: 26,751,839 km (0.088 R)
• M27: 32,870,093 km (0.083 R)
• M28: 34,759,514 km (0.095 R)
• M29: 38,997,771 km (0.101 R)
• M30: 41,750,372 km (0.118 R)
• M31: 42,782,747 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 13.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.12 AU - 6.1 AU

Year: 8120 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 105.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,660,614 km

• M1: 162,912 km (0.12 R)
• M2: 635,791 km (0.039 R)
• M3: 2,172,909 km (0.117 R)
• M4: 2,682,290 km (0.117 R)
• M5: 3,478,599 km (0.078 R)
• M6: 4,049,315 km (0.074 R)
• M7: 5,099,043 km (0.103 R)
• M8: 5,671,704 km (0.083 R)
• M9: 6,908,729 km (0.053 R)
• M10: 8,022,186 km (0.091 R)
• M11: 8,622,073 km (0.116 R)
• M12: 9,863,736 km (0.111 R)
• M13: 10,806,651 km (0.096 R)
• M14: 11,972,617 km (0.037 R)
• M15: 13,755,674 km (0.083 R)
• M16: 14,996,289 km (0.107 R)
• M17: 16,787,723 km (0.087 R)
• M18: 18,570,182 km (0.099 R)
• M19: 22,424,272 km (0.04 R)
• M20: 23,529,950 km (0.077 R)
• M21: 26,593,864 km (0.073 R)
• M22: 30,016,065 km (0.118 R)
• M23: 30,734,135 km (0.034 R)
• M24: 31,991,804 km (0.101 R)
• M25: 32,741,140 km (0.111 R)
• M26: 37,721,851 km (0.103 R)
• M27: 39,897,453 km (0.115 R)
• M28: 41,773,410 km (0.081 R)
• M29: 42,668,753 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.4

Radius: 3.3

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.85 AU - 9.91 AU

Year: 17052 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,660,614 km

• M1: 45,029 km (0.089 R)
• M2: 174,730 km (0.108 R)
• M3: 351,854 km (0.056 R)
• M4: 458,218 km (0.113 R)
• M5: 981,212 km (0.108 R)
• M6: 1,638,246 km (0.037 R)
• M7: 1,821,803 km (0.107 R)
• M8: 2,114,566 km (0.069 R)
• M9: 2,932,268 km (0.088 R)
• M10: 3,422,650 km (0.102 R)
• M11: 5,492,785 km (0.102 R)
• M12: 5,711,796 km (0.066 R)
• M13: 7,410,031 km (0.066 R)
• M14: 9,110,660 km (0.115 R)
• M15: 9,730,893 km (0.112 R)
• M16: 9,959,029 km (0.105 R)
• M17: 12,547,821 km (0.118 R)
• M18: 15,366,693 km (0.039 R)
• M19: 25,856,646 km (0.107 R)
• M20: 26,647,869 km (0.069 R)
• M21: 36,114,123 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 10,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit