🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.2

Radius: 11.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.42 AU - 0.7 AU

Year: 295 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 79,450,875 km

• M1: 141,819 km (0.099 R)
• M2: 691,890 km (0.09 R)
• M3: 1,122,582 km (0.112 R)
• M4: 1,491,192 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 9.2

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.76 AU - 1.78 AU

Year: 1655 Days

Day: 5.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,450,875 km

• M1: 114,442 km (0.037 R)
• M2: 427,401 km (0.098 R)
• M3: 856,149 km (0.114 R)
• M4: 1,162,974 km (0.114 R)
• M5: 1,669,662 km (0.076 R)
• M6: 2,268,203 km (0.091 R)
• M7: 3,377,920 km (0.11 R)
• M8: 3,783,330 km (0.091 R)
• M9: 4,071,456 km (0.117 R)
• M10: 4,794,612 km (0.03 R)
• M11: 5,089,619 km (0.107 R)
• M12: 6,048,691 km (0.087 R)
• M13: 7,565,015 km (0.077 R)
• M14: 7,966,236 km (0.117 R)
• M15: 8,291,163 km (0.116 R)
• M16: 9,094,952 km (0.088 R)
• M17: 10,396,753 km (0.073 R)
• M18: 11,001,427 km (0.065 R)
• M19: 11,330,842 km (0.099 R)
• M20: 12,048,313 km (0.068 R)
• M21: 13,531,726 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.4

Radius: 8.6

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.71 AU - 2.19 AU

Year: 1914 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,450,875 km

• M1: 107,262 km (0.086 R)
• M2: 389,852 km (0.12 R)
• M3: 727,943 km (0.063 R)
• M4: 1,080,545 km (0.109 R)
• M5: 1,507,498 km (0.111 R)
• M6: 2,477,790 km (0.054 R)
• M7: 3,618,025 km (0.044 R)
• M8: 4,394,886 km (0.1 R)
• M9: 5,165,016 km (0.103 R)
• M10: 5,654,201 km (0.039 R)
• M11: 6,022,361 km (0.096 R)
• M12: 6,617,761 km (0.099 R)
• M13: 7,223,483 km (0.101 R)
• M14: 7,986,432 km (0.1 R)
• M15: 9,230,039 km (0.103 R)
• M16: 9,775,922 km (0.094 R)
• M17: 11,504,525 km (0.114 R)
• M18: 12,056,541 km (0.076 R)
• M19: 12,917,477 km (0.09 R)
• M20: 13,687,607 km (0.058 R)
• M21: 14,533,433 km (0.095 R)
• M22: 14,899,798 km (0.093 R)
• M23: 15,508,362 km (0.108 R)
• M24: 15,794,693 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 11

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.53 AU - 4.05 AU

Year: 4195 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,450,875 km

• M1: 136,882 km (0.078 R)
• M2: 505,342 km (0.098 R)
• M3: 1,074,711 km (0.075 R)
• M4: 1,538,465 km (0.113 R)
• M5: 2,512,047 km (0.089 R)
• M6: 3,282,177 km (0.093 R)
• M7: 3,657,518 km (0.058 R)
• M8: 4,038,544 km (0.052 R)
• M9: 4,907,259 km (0.058 R)
• M10: 5,629,966 km (0.078 R)
• M11: 6,680,592 km (0.095 R)
• M12: 7,183,839 km (0.029 R)
• M13: 8,342,026 km (0.086 R)
• M14: 11,729,520 km (0.082 R)
• M15: 12,714,323 km (0.101 R)
• M16: 16,237,054 km (0.06 R)
• M17: 17,711,042 km (0.034 R)
• M18: 28,389,637 km (0.101 R)
• M19: 29,890,253 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 9.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.15 AU - 4.37 AU

Year: 5125 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,450,875 km

• M1: 114,442 km (0.074 R)
• M2: 408,851 km (0.061 R)
• M3: 899,532 km (0.09 R)
• M4: 1,322,595 km (0.066 R)
• M5: 1,631,066 km (0.068 R)
• M6: 2,575,926 km (0.079 R)
• M7: 3,366,700 km (0.059 R)
• M8: 3,828,958 km (0.107 R)
• M9: 4,976,074 km (0.092 R)
• M10: 5,576,859 km (0.038 R)
• M11: 6,773,492 km (0.099 R)
• M12: 7,322,217 km (0.062 R)
• M13: 7,639,664 km (0.064 R)
• M14: 9,183,963 km (0.103 R)
• M15: 10,087,833 km (0.093 R)
• M16: 10,641,794 km (0.086 R)
• M17: 11,853,686 km (0.113 R)
• M18: 13,720,818 km (0.094 R)
• M19: 14,699,337 km (0.1 R)
• M20: 16,040,033 km (0.109 R)
• M21: 16,904,709 km (0.066 R)
• M22: 17,460,615 km (0.07 R)
• M23: 21,119,330 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.4

Radius: 4.9

Gravity: 27.59 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.63 AU - 8.27 AU

Year: 14294 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 155.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,450,875 km

• M1: 60,886 km (0.092 R)
• M2: 215,421 km (0.06 R)
• M3: 372,050 km (0.116 R)
• M4: 541,544 km (0.108 R)
• M5: 709,543 km (0.118 R)
• M6: 891,603 km (0.044 R)
• M7: 1,296,864 km (0.092 R)
• M8: 2,464,475 km (0.048 R)
• M9: 2,681,542 km (0.045 R)
• M10: 3,280,382 km (0.104 R)
• M11: 3,597,829 km (0.052 R)
• M12: 3,849,004 km (0.088 R)
• M13: 6,915,610 km (0.1 R)
• M14: 7,173,218 km (0.099 R)
• M15: 8,078,285 km (0.093 R)
• M16: 9,840,997 km (0.051 R)
• M17: 11,246,918 km (0.027 R)
• M18: 11,424,191 km (0.111 R)
• M19: 14,105,434 km (0.066 R)
• M20: 14,589,682 km (0.098 R)
• M21: 14,942,284 km (0.063 R)
• M22: 15,885,798 km (0.073 R)
• M23: 16,637,976 km (0.116 R)
• M24: 16,945,400 km (0.076 R)
• M25: 18,213,242 km (0.088 R)
• M26: 18,953,601 km (0.071 R)
• M27: 20,936,222 km (0.059 R)
• M28: 21,839,793 km (0.098 R)
• M29: 22,487,552 km (0.114 R)
• M30: 34,790,481 km (0.087 R)
• M31: 46,543,787 km (0.055 R)
• M32: 50,125,908 km (0.107 R)
• M33: 50,606,267 km (0.098 R)
• M34: 52,888,682 km (0.104 R)
• M35: 57,832,742 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.3

Radius: 7.6

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.46 AU - 9.58 AU

Year: 19042 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,450,875 km

• M1: 97,089 km (0.096 R)
• M2: 484,398 km (0.094 R)
• M3: 1,219,223 km (0.116 R)
• M4: 1,931,608 km (0.076 R)
• M5: 2,390,574 km (0.072 R)
• M6: 3,131,682 km (0.041 R)
• M7: 3,644,803 km (0.106 R)
• M8: 4,179,615 km (0.079 R)
• M9: 5,097,547 km (0.099 R)
• M10: 5,444,615 km (0.103 R)
• M11: 6,581,558 km (0.119 R)
• M12: 7,668,536 km (0.119 R)
• M13: 9,203,859 km (0.096 R)
• M14: 16,063,371 km (0.092 R)
• M15: 19,468,667 km (0.062 R)
• M16: 21,289,871 km (0.055 R)
• M17: 21,988,493 km (0.041 R)
• M18: 22,394,502 km (0.044 R)
• M19: 24,391,933 km (0.119 R)
• M20: 35,761,670 km (0.11 R)
• M21: 38,923,870 km (0.08 R)
• M22: 62,292,254 km (0.052 R)
• M23: 70,523,578 km (0.065 R)
• M24: 71,628,657 km (0.077 R)
• M25: 74,100,313 km (0.073 R)
• M26: 75,933,186 km (0.098 R)
• M27: 77,561,559 km (0.079 R)
• M28: 78,738,745 km (0.113 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: 189 - 16,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit