🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 14.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.95 AU - 1.07 AU

Year: 655 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,711,217 km

• M1: 177,872 km (0.109 R)
• M2: 626,965 km (0.069 R)
• M3: 1,139,337 km (0.105 R)
• M4: 1,932,356 km (0.087 R)
• M5: 3,023,074 km (0.115 R)
• M6: 4,143,711 km (0.114 R)
• M7: 5,851,371 km (0.083 R)
• M8: 6,354,170 km (0.09 R)
• M9: 7,128,937 km (0.115 R)
• M10: 7,774,452 km (0.102 R)
• M11: 8,283,982 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.2

Radius: 11

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.25 AU - 1.91 AU

Year: 1282 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,711,217 km

• M1: 136,882 km (0.041 R)
• M2: 481,406 km (0.082 R)
• M3: 859,290 km (0.11 R)
• M4: 1,297,163 km (0.114 R)
• M5: 1,883,587 km (0.052 R)
• M6: 2,256,235 km (0.108 R)
• M7: 3,305,215 km (0.048 R)
• M8: 4,542,390 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 13.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.94 AU - 2.62 AU

Year: 2223 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,711,217 km

• M1: 173,982 km (0.111 R)
• M2: 1,000,211 km (0.078 R)
• M3: 1,599,650 km (0.109 R)
• M4: 2,158,548 km (0.108 R)
• M5: 2,589,090 km (0.084 R)
• M6: 3,243,880 km (0.055 R)
• M7: 3,883,860 km (0.112 R)
• M8: 4,509,628 km (0.075 R)
• M9: 5,551,727 km (0.05 R)
• M10: 6,748,659 km (0.118 R)
• M11: 7,463,139 km (0.103 R)
• M12: 8,082,175 km (0.114 R)
• M13: 8,583,776 km (0.07 R)
• M14: 9,552,422 km (0.055 R)
• M15: 10,523,163 km (0.104 R)
• M16: 11,086,399 km (0.116 R)
• M17: 12,120,569 km (0.085 R)
• M18: 12,583,126 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 14.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.19 AU - 3.51 AU

Year: 3959 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,711,217 km

• M1: 212,429 km (0.1 R)
• M2: 822,489 km (0.114 R)
• M3: 1,565,392 km (0.117 R)
• M4: 2,172,610 km (0.066 R)
• M5: 3,040,876 km (0.093 R)
• M6: 5,821,601 km (0.033 R)
• M7: 6,367,933 km (0.11 R)
• M8: 7,075,231 km (0.097 R)
• M9: 8,251,669 km (0.107 R)
• M10: 10,651,219 km (0.08 R)
• M11: 12,380,570 km (0.115 R)
• M12: 14,086,136 km (0.036 R)
• M13: 14,705,471 km (0.061 R)
• M14: 19,122,647 km (0.064 R)
• M15: 19,627,241 km (0.059 R)
• M16: 20,400,662 km (0.101 R)
• M17: 23,627,338 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 10.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.12 AU - 3.94 AU

Year: 4282 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,711,217 km

• M1: 141,520 km (0.081 R)
• M2: 693,536 km (0.09 R)
• M3: 1,115,851 km (0.098 R)
• M4: 2,332,231 km (0.113 R)
• M5: 3,412,627 km (0.069 R)
• M6: 4,483,448 km (0.083 R)
• M7: 4,996,270 km (0.107 R)
• M8: 8,170,886 km (0.088 R)
• M9: 10,285,602 km (0.099 R)
• M10: 10,951,462 km (0.072 R)
• M11: 13,950,151 km (0.099 R)
• M12: 15,661,850 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.2

Radius: 8.4

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.67 AU - 4.07 AU

Year: 4916 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,711,217 km

• M1: 105,018 km (0.048 R)
• M2: 407,654 km (0.118 R)
• M3: 681,568 km (0.12 R)
• M4: 992,283 km (0.087 R)
• M5: 1,667,119 km (0.085 R)
• M6: 2,120,550 km (0.064 R)
• M7: 3,111,037 km (0.119 R)
• M8: 3,509,117 km (0.066 R)
• M9: 4,382,170 km (0.111 R)
• M10: 4,774,715 km (0.086 R)
• M11: 5,937,539 km (0.076 R)
• M12: 6,452,007 km (0.101 R)
• M13: 6,720,086 km (0.088 R)
• M14: 7,171,872 km (0.058 R)
• M15: 8,893,444 km (0.092 R)
• M16: 9,567,083 km (0.082 R)
• M17: 9,828,431 km (0.115 R)
• M18: 10,139,145 km (0.105 R)
• M19: 11,111,083 km (0.108 R)
• M20: 12,605,565 km (0.086 R)
• M21: 14,117,102 km (0.103 R)
• M22: 14,456,091 km (0.065 R)
• M23: 20,287,566 km (0.111 R)
• M24: 24,399,114 km (0.098 R)
• M25: 24,724,190 km (0.063 R)
• M26: 25,716,472 km (0.084 R)
• M27: 29,216,464 km (0.094 R)
• M28: 29,860,034 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.9

Radius: 10.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.04 AU - 4.98 AU

Year: 5185 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,711,217 km

• M1: 132,993 km (0.12 R)
• M2: 467,045 km (0.099 R)
• M3: 1,305,690 km (0.097 R)
• M4: 1,845,439 km (0.091 R)
• M5: 2,562,761 km (0.072 R)
• M6: 2,949,472 km (0.113 R)
• M7: 4,231,376 km (0.076 R)
• M8: 5,281,254 km (0.116 R)
• M9: 5,735,283 km (0.11 R)
• M10: 6,308,243 km (0.078 R)
• M11: 6,657,105 km (0.087 R)
• M12: 7,086,002 km (0.092 R)
• M13: 7,498,294 km (0.077 R)
• M14: 8,183,752 km (0.094 R)
• M15: 8,522,890 km (0.119 R)
• M16: 9,555,564 km (0.096 R)
• M17: 11,537,287 km (0.112 R)
• M18: 12,649,547 km (0.059 R)
• M19: 13,360,735 km (0.072 R)
• M20: 14,586,690 km (0.083 R)
• M21: 15,368,788 km (0.104 R)
• M22: 16,237,502 km (0.035 R)
• M23: 17,695,184 km (0.089 R)
• M24: 19,906,989 km (0.078 R)
• M25: 20,660,513 km (0.077 R)
• M26: 21,503,946 km (0.084 R)
• M27: 21,934,189 km (0.068 R)
• M28: 23,035,080 km (0.12 R)
• M29: 25,108,955 km (0.087 R)
• M30: 27,724,525 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 9.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.23 AU - 4.77 AU

Year: 6164 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,711,217 km

• M1: 115,639 km (0.094 R)
• M2: 414,087 km (0.094 R)
• M3: 1,578,407 km (0.059 R)
• M4: 1,909,766 km (0.089 R)
• M5: 2,271,644 km (0.073 R)
• M6: 2,751,703 km (0.116 R)
• M7: 3,277,540 km (0.059 R)
• M8: 3,664,250 km (0.115 R)
• M9: 4,009,672 km (0.047 R)
• M10: 4,713,081 km (0.113 R)
• M11: 5,066,581 km (0.073 R)
• M12: 5,525,996 km (0.034 R)
• M13: 6,266,954 km (0.069 R)
• M14: 6,796,680 km (0.087 R)
• M15: 8,646,757 km (0.086 R)
• M16: 10,717,341 km (0.07 R)
• M17: 11,867,599 km (0.115 R)
• M18: 12,940,066 km (0.05 R)
• M19: 13,257,962 km (0.112 R)
• M20: 14,020,163 km (0.094 R)
• M21: 15,276,486 km (0.109 R)
• M22: 19,014,637 km (0.107 R)
• M23: 20,767,775 km (0.099 R)
• M24: 21,646,363 km (0.119 R)
• M25: 28,415,218 km (0.11 R)
• M26: 29,224,692 km (0.118 R)
• M27: 30,701,373 km (0.105 R)
• M28: 32,227,121 km (0.112 R)
• M29: 32,812,199 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 14.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.16 AU - 5.44 AU

Year: 7878 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,711,217 km

• M1: 185,501 km (0.119 R)
• M2: 667,207 km (0.044 R)
• M3: 1,656,198 km (0.067 R)
• M4: 3,542,178 km (0.116 R)
• M5: 4,065,023 km (0.105 R)
• M6: 4,531,170 km (0.11 R)
• M7: 5,120,436 km (0.106 R)
• M8: 7,427,235 km (0.11 R)
• M9: 9,575,012 km (0.103 R)
• M10: 10,218,283 km (0.108 R)
• M11: 11,489,266 km (0.1 R)
• M12: 12,808,570 km (0.114 R)
• M13: 14,226,758 km (0.046 R)
• M14: 16,256,053 km (0.073 R)
• M15: 17,508,636 km (0.117 R)
• M16: 18,402,184 km (0.039 R)
• M17: 19,689,324 km (0.049 R)
• M18: 21,731,484 km (0.069 R)
• M19: 24,754,708 km (0.08 R)
• M20: 26,590,124 km (0.107 R)
• M21: 29,081,228 km (0.06 R)
• M22: 34,630,860 km (0.055 R)
• M23: 37,597,386 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283

Radius: 7

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.99 AU - 9.01 AU

Year: 17433 Days

Day: 24 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,711,217 km

• M1: 87,216 km (0.111 R)
• M2: 435,629 km (0.116 R)
• M3: 1,026,241 km (0.049 R)
• M4: 1,892,114 km (0.068 R)
• M5: 6,310,487 km (0.11 R)
• M6: 6,854,874 km (0.079 R)
• M7: 7,816,339 km (0.104 R)
• M8: 8,770,026 km (0.101 R)
• M9: 12,812,010 km (0.105 R)
• M10: 14,264,307 km (0.092 R)
• M11: 14,594,020 km (0.1 R)
• M12: 15,475,002 km (0.09 R)
• M13: 16,535,202 km (0.055 R)
• M14: 21,261,897 km (0.106 R)
• M15: 23,108,533 km (0.103 R)
• M16: 24,491,266 km (0.1 R)
• M17: 35,507,952 km (0.056 R)
• M18: 47,348,923 km (0.108 R)
• M19: 47,641,536 km (0.105 R)
• M20: 47,935,347 km (0.064 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 18,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit