🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 12.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.28 AU - 1.72 AU

Year: 1186 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,478,137 km

• M1: 157,975 km (0.065 R)
• M2: 735,274 km (0.086 R)
• M3: 2,067,592 km (0.12 R)
• M4: 2,649,827 km (0.119 R)
• M5: 3,720,499 km (0.079 R)
• M6: 4,420,767 km (0.12 R)
• M7: 5,762,211 km (0.061 R)
• M8: 7,173,517 km (0.076 R)
• M9: 7,667,639 km (0.081 R)
• M10: 8,646,009 km (0.043 R)
• M11: 9,233,629 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.1

Radius: 8.8

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.57 AU - 1.57 AU

Year: 1270 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,478,137 km

• M1: 109,506 km (0.117 R)
• M2: 445,951 km (0.105 R)
• M3: 797,955 km (0.083 R)
• M4: 1,124,378 km (0.07 R)
• M5: 1,628,373 km (0.101 R)
• M6: 2,186,971 km (0.042 R)
• M7: 2,462,979 km (0.051 R)
• M8: 2,881,255 km (0.093 R)
• M9: 3,527,368 km (0.097 R)
• M10: 3,811,604 km (0.034 R)
• M11: 4,872,103 km (0.114 R)
• M12: 6,887,785 km (0.098 R)
• M13: 8,012,462 km (0.09 R)
• M14: 9,615,403 km (0.112 R)
• M15: 9,984,910 km (0.114 R)
• M16: 10,851,082 km (0.057 R)
• M17: 11,353,431 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 10.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.86 AU - 2.58 AU

Year: 2136 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,478,137 km

• M1: 130,599 km (0.068 R)
• M2: 506,838 km (0.041 R)
• M3: 928,554 km (0.11 R)
• M4: 1,331,421 km (0.067 R)
• M5: 1,894,657 km (0.095 R)
• M6: 2,852,981 km (0.089 R)
• M7: 3,268,265 km (0.074 R)
• M8: 4,088,510 km (0.072 R)
• M9: 5,149,907 km (0.059 R)
• M10: 6,385,735 km (0.104 R)
• M11: 6,829,891 km (0.071 R)
• M12: 8,596,043 km (0.101 R)
• M13: 11,386,792 km (0.073 R)
• M14: 12,357,682 km (0.117 R)
• M15: 15,094,276 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.6

Radius: 12.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.74 AU - 2.8 AU

Year: 2977 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,478,137 km

• M1: 154,385 km (0.033 R)
• M2: 585,077 km (0.118 R)
• M3: 1,139,637 km (0.107 R)
• M4: 1,684,173 km (0.09 R)
• M5: 2,329,089 km (0.098 R)
• M6: 3,272,902 km (0.111 R)
• M7: 4,136,531 km (0.096 R)
• M8: 4,724,301 km (0.099 R)
• M9: 5,243,854 km (0.11 R)
• M10: 7,556,936 km (0.103 R)
• M11: 11,577,678 km (0.117 R)
• M12: 12,973,277 km (0.116 R)
• M13: 13,385,269 km (0.032 R)
• M14: 15,374,173 km (0.086 R)
• M15: 15,835,832 km (0.059 R)
• M16: 17,386,863 km (0.101 R)
• M17: 19,095,719 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 14.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.7 AU - 3.34 AU

Year: 3389 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,478,137 km

• M1: 180,265 km (0.092 R)
• M2: 958,773 km (0.103 R)
• M3: 1,435,242 km (0.042 R)
• M4: 1,918,593 km (0.064 R)
• M5: 2,484,073 km (0.115 R)
• M6: 3,279,036 km (0.11 R)
• M7: 5,046,684 km (0.112 R)
• M8: 5,525,098 km (0.106 R)
• M9: 6,827,198 km (0.062 R)
• M10: 7,845,062 km (0.094 R)
• M11: 8,656,331 km (0.117 R)
• M12: 9,739,420 km (0.1 R)
• M13: 10,408,721 km (0.046 R)
• M14: 11,029,253 km (0.113 R)
• M15: 13,624,776 km (0.082 R)
• M16: 14,749,752 km (0.112 R)
• M17: 16,604,466 km (0.083 R)
• M18: 17,345,275 km (0.028 R)
• M19: 18,052,873 km (0.082 R)
• M20: 19,642,200 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 11

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.84 AU - 3.56 AU

Year: 3696 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,478,137 km

• M1: 136,732 km (0.036 R)
• M2: 669,600 km (0.064 R)
• M3: 1,333,515 km (0.094 R)
• M4: 1,840,652 km (0.098 R)
• M5: 2,979,242 km (0.096 R)
• M6: 5,043,543 km (0.11 R)
• M7: 5,401,830 km (0.118 R)
• M8: 6,084,295 km (0.105 R)
• M9: 6,461,282 km (0.076 R)
• M10: 6,915,760 km (0.068 R)
• M11: 7,359,018 km (0.067 R)
• M12: 9,174,538 km (0.102 R)
• M13: 10,845,397 km (0.055 R)
• M14: 11,664,296 km (0.104 R)
• M15: 12,993,173 km (0.108 R)
• M16: 15,732,460 km (0.05 R)
• M17: 17,410,051 km (0.114 R)
• M18: 17,876,796 km (0.04 R)
• M19: 18,472,195 km (0.081 R)
• M20: 21,581,886 km (0.084 R)
• M21: 22,188,805 km (0.075 R)
• M22: 23,015,782 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 8

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.53 AU - 3.87 AU

Year: 3696 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,478,137 km

• M1: 100,231 km (0.031 R)
• M2: 415,732 km (0.072 R)
• M3: 695,481 km (0.062 R)
• M4: 1,005,148 km (0.069 R)
• M5: 1,287,439 km (0.12 R)
• M6: 1,704,069 km (0.069 R)
• M7: 2,222,426 km (0.104 R)
• M8: 2,758,585 km (0.074 R)
• M9: 4,196,220 km (0.098 R)
• M10: 4,558,247 km (0.065 R)
• M11: 7,090,490 km (0.086 R)
• M12: 8,178,516 km (0.106 R)
• M13: 9,954,392 km (0.107 R)
• M14: 10,558,468 km (0.09 R)
• M15: 12,062,675 km (0.046 R)
• M16: 13,078,295 km (0.107 R)
• M17: 16,970,083 km (0.082 R)
• M18: 19,517,436 km (0.105 R)
• M19: 20,784,829 km (0.119 R)
• M20: 22,581,649 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 12.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.94 AU - 4.44 AU

Year: 5538 Days

Day: 13.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,478,137 km

• M1: 151,692 km (0.115 R)
• M2: 974,181 km (0.086 R)
• M3: 2,384,590 km (0.085 R)
• M4: 2,818,723 km (0.041 R)
• M5: 3,326,309 km (0.104 R)
• M6: 3,803,077 km (0.059 R)
• M7: 4,300,490 km (0.089 R)
• M8: 4,761,102 km (0.056 R)
• M9: 6,345,194 km (0.117 R)
• M10: 8,217,261 km (0.102 R)
• M11: 10,164,128 km (0.069 R)
• M12: 10,569,389 km (0.06 R)
• M13: 11,703,341 km (0.061 R)
• M14: 12,812,609 km (0.037 R)
• M15: 18,418,490 km (0.054 R)
• M16: 18,819,562 km (0.114 R)
• M17: 21,422,565 km (0.068 R)
• M18: 22,467,356 km (0.115 R)
• M19: 23,389,627 km (0.105 R)
• M20: 25,391,995 km (0.096 R)
• M21: 27,246,410 km (0.092 R)
• M22: 29,918,527 km (0.072 R)
• M23: 30,846,782 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.9

Radius: 12.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.54 AU - 6.74 AU

Year: 8648 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,478,137 km

• M1: 154,983 km (0.066 R)
• M2: 608,714 km (0.065 R)
• M3: 1,059,003 km (0.086 R)
• M4: 1,444,966 km (0.101 R)
• M5: 1,837,511 km (0.118 R)
• M6: 3,358,622 km (0.111 R)
• M7: 3,783,480 km (0.096 R)
• M8: 4,433,782 km (0.064 R)
• M9: 5,693,246 km (0.102 R)
• M10: 6,300,913 km (0.11 R)
• M11: 7,331,941 km (0.112 R)
• M12: 8,302,532 km (0.113 R)
• M13: 9,821,549 km (0.052 R)
• M14: 13,994,881 km (0.062 R)
• M15: 16,005,476 km (0.043 R)
• M16: 19,372,326 km (0.089 R)
• M17: 21,062,782 km (0.044 R)
• M18: 25,267,230 km (0.116 R)
• M19: 29,800,644 km (0.053 R)
• M20: 30,707,207 km (0.116 R)
• M21: 31,115,908 km (0.027 R)
• M22: 32,469,619 km (0.091 R)
• M23: 32,893,879 km (0.074 R)
• M24: 34,408,109 km (0.058 R)
• M25: 35,294,027 km (0.087 R)
• M26: 35,968,414 km (0.098 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.5

Radius: 6.6

Gravity: 18.81 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.75 AU - 7.31 AU

Year: 10774 Days

Day: 21.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,478,137 km

• M1: 82,578 km (0.054 R)
• M2: 353,799 km (0.037 R)
• M3: 792,869 km (0.027 R)
• M4: 1,751,043 km (0.073 R)
• M5: 2,470,908 km (0.101 R)
• M6: 2,897,860 km (0.086 R)
• M7: 4,568,869 km (0.081 R)
• M8: 5,950,405 km (0.104 R)
• M9: 6,480,131 km (0.111 R)
• M10: 6,756,588 km (0.025 R)
• M11: 11,104,351 km (0.074 R)
• M12: 12,321,629 km (0.091 R)
• M13: 23,153,562 km (0.088 R)
• M14: 24,081,218 km (0.051 R)
• M15: 24,364,257 km (0.105 R)
• M16: 26,911,460 km (0.074 R)
• M17: 38,234,523 km (0.103 R)
• M18: 43,588,182 km (0.07 R)
• M19: 45,430,181 km (0.119 R)
• M20: 49,572,695 km (0.112 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: 300 - 18,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit