🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 9.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.62 AU - 0.86 AU

Year: 432 Days

Day: 8.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,550,530 km

• M1: 120,576 km (0.044 R)
• M2: 650,751 km (0.119 R)
• M3: 983,008 km (0.066 R)
• M4: 1,674,449 km (0.104 R)
• M5: 2,745,271 km (0.067 R)
• M6: 4,170,789 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 8.4

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.93 AU - 1.05 AU

Year: 668 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,550,530 km

• M1: 104,419 km (0.073 R)
• M2: 467,194 km (0.107 R)
• M3: 852,708 km (0.088 R)
• M4: 1,164,470 km (0.081 R)
• M5: 1,444,517 km (0.064 R)
• M6: 1,903,483 km (0.073 R)
• M7: 2,316,373 km (0.063 R)
• M8: 2,982,533 km (0.08 R)
• M9: 4,154,482 km (0.082 R)
• M10: 4,517,407 km (0.104 R)
• M11: 4,835,901 km (0.102 R)
• M12: 5,169,354 km (0.075 R)
• M13: 6,341,005 km (0.111 R)
• M14: 7,073,287 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.9

Radius: 12

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.9 AU - 1.24 AU

Year: 751 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,550,530 km

• M1: 149,299 km (0.099 R)
• M2: 540,647 km (0.096 R)
• M3: 1,129,464 km (0.091 R)
• M4: 1,514,230 km (0.119 R)
• M5: 1,943,725 km (0.076 R)
• M6: 2,382,645 km (0.055 R)
• M7: 2,887,837 km (0.112 R)
• M8: 3,531,108 km (0.119 R)
• M9: 4,252,619 km (0.095 R)
• M10: 4,731,182 km (0.088 R)
• M11: 5,516,571 km (0.096 R)
• M12: 5,911,809 km (0.111 R)
• M13: 7,059,972 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 9.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.91 AU - 1.47 AU

Year: 880 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,550,530 km

• M1: 118,182 km (0.104 R)
• M2: 424,858 km (0.08 R)
• M3: 956,678 km (0.12 R)
• M4: 1,922,482 km (0.056 R)
• M5: 2,571,887 km (0.091 R)
• M6: 2,895,467 km (0.077 R)
• M7: 3,360,866 km (0.065 R)
• M8: 3,749,072 km (0.048 R)
• M9: 5,702,970 km (0.101 R)
• M10: 6,237,483 km (0.074 R)
• M11: 7,144,794 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 9.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.32 AU - 1.8 AU

Year: 1322 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,550,530 km

• M1: 122,521 km (0.088 R)
• M2: 452,384 km (0.108 R)
• M3: 767,287 km (0.077 R)
• M4: 1,151,305 km (0.096 R)
• M5: 1,522,607 km (0.106 R)
• M6: 1,922,931 km (0.085 R)
• M7: 2,254,590 km (0.062 R)
• M8: 3,472,615 km (0.058 R)
• M9: 4,070,259 km (0.035 R)
• M10: 4,604,024 km (0.095 R)
• M11: 5,004,946 km (0.114 R)
• M12: 6,969,316 km (0.072 R)
• M13: 7,525,072 km (0.077 R)
• M14: 7,893,831 km (0.065 R)
• M15: 8,413,534 km (0.076 R)
• M16: 8,753,570 km (0.104 R)
• M17: 10,724,223 km (0.033 R)
• M18: 11,465,330 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 9.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.14 AU - 2.74 AU

Year: 2585 Days

Day: 5.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,550,530 km

• M1: 123,568 km (0.105 R)
• M2: 620,083 km (0.088 R)
• M3: 1,097,450 km (0.061 R)
• M4: 1,585,887 km (0.077 R)
• M5: 2,000,124 km (0.07 R)
• M6: 2,837,722 km (0.109 R)
• M7: 3,419,807 km (0.032 R)
• M8: 3,766,575 km (0.062 R)
• M9: 4,390,548 km (0.064 R)
• M10: 5,059,849 km (0.062 R)
• M11: 5,652,556 km (0.105 R)
• M12: 6,240,176 km (0.1 R)
• M13: 6,548,946 km (0.039 R)
• M14: 7,141,802 km (0.084 R)
• M15: 8,037,445 km (0.038 R)
• M16: 9,569,477 km (0.069 R)
• M17: 11,401,153 km (0.086 R)
• M18: 12,786,429 km (0.103 R)
• M19: 13,498,365 km (0.117 R)
• M20: 15,047,003 km (0.09 R)
• M21: 15,983,336 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 10.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.09 AU - 5.69 AU

Year: 7334 Days

Day: 9 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,550,530 km

• M1: 130,150 km (0.098 R)
• M2: 695,630 km (0.079 R)
• M3: 1,170,603 km (0.087 R)
• M4: 1,641,837 km (0.092 R)
• M5: 3,837,485 km (0.055 R)
• M6: 4,413,436 km (0.081 R)
• M7: 5,233,981 km (0.09 R)
• M8: 5,595,110 km (0.091 R)
• M9: 6,812,537 km (0.04 R)
• M10: 7,871,242 km (0.05 R)
• M11: 9,888,569 km (0.113 R)
• M12: 13,579,747 km (0.053 R)
• M13: 14,318,012 km (0.071 R)
• M14: 18,480,573 km (0.1 R)
• M15: 23,015,483 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 5.7

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.13 AU - 6.69 AU

Year: 11007 Days

Day: 24.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,550,530 km

• M1: 71,059 km (0.041 R)
• M2: 349,760 km (0.06 R)
• M3: 770,130 km (0.112 R)
• M4: 1,110,315 km (0.12 R)
• M5: 4,169,143 km (0.093 R)
• M6: 8,105,063 km (0.037 R)
• M7: 11,667,886 km (0.115 R)
• M8: 19,091,231 km (0.033 R)
• M9: 24,468,078 km (0.119 R)
• M10: 31,556,324 km (0.067 R)
• M11: 32,453,014 km (0.114 R)
• M12: 34,927,064 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.2

Radius: 6.5

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.59 AU - 10.93 AU

Year: 20681 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,550,530 km

• M1: 80,783 km (0.047 R)
• M2: 429,645 km (0.112 R)
• M3: 934,388 km (0.064 R)
• M4: 1,272,330 km (0.107 R)
• M5: 3,648,393 km (0.115 R)
• M6: 4,021,490 km (0.112 R)
• M7: 4,954,083 km (0.076 R)
• M8: 5,897,298 km (0.076 R)
• M9: 6,108,081 km (0.103 R)
• M10: 6,323,801 km (0.101 R)
• M11: 6,725,023 km (0.066 R)
• M12: 7,048,752 km (0.078 R)
• M13: 7,677,363 km (0.109 R)
• M14: 7,928,986 km (0.077 R)
• M15: 11,327,700 km (0.074 R)
• M16: 12,880,825 km (0.083 R)
• M17: 13,236,420 km (0.106 R)
• M18: 13,967,056 km (0.084 R)
• M19: 14,266,850 km (0.096 R)
• M20: 15,508,662 km (0.047 R)
• M21: 19,200,737 km (0.062 R)
• M22: 20,136,322 km (0.075 R)
• M23: 24,291,253 km (0.062 R)
• M24: 28,501,237 km (0.07 R)
• M25: 30,463,512 km (0.115 R)
• M26: 31,993,001 km (0.066 R)
• M27: 33,306,021 km (0.118 R)
• M28: 35,620,151 km (0.097 R)
• M29: 38,770,981 km (0.089 R)
• M30: 42,885,820 km (0.088 R)
• M31: 46,613,051 km (0.103 R)
• M32: 48,640,850 km (0.096 R)
• M33: 54,519,149 km (0.081 R)
• M34: 62,055,590 km (0.088 R)
• M35: 65,756,642 km (0.061 R)
• M36: 67,447,846 km (0.079 R)
• M37: 71,137,378 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.2

Radius: 4.8

Gravity: 40.46 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.25 AU - 11.25 AU

Year: 22258 Days

Day: 20.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,550,530 km

• M1: 61,934 km (0.087 R)
• M2: 282,291 km (0.045 R)
• M3: 488,736 km (0.109 R)
• M4: 700,118 km (0.065 R)
• M5: 959,072 km (0.082 R)
• M6: 1,204,412 km (0.065 R)
• M7: 1,423,274 km (0.087 R)
• M8: 1,921,136 km (0.082 R)
• M9: 2,652,520 km (0.055 R)
• M10: 2,861,209 km (0.054 R)
• M11: 6,160,440 km (0.09 R)
• M12: 6,811,939 km (0.081 R)
• M13: 9,099,440 km (0.051 R)
• M14: 9,514,873 km (0.098 R)
• M15: 11,168,678 km (0.025 R)
• M16: 11,922,801 km (0.111 R)
• M17: 12,637,131 km (0.099 R)
• M18: 13,839,000 km (0.08 R)
• M19: 14,229,749 km (0.117 R)
• M20: 14,627,680 km (0.029 R)
• M21: 15,033,090 km (0.073 R)
• M22: 17,533,469 km (0.093 R)
• M23: 20,297,888 km (0.051 R)
• M24: 22,258,368 km (0.116 R)
• M25: 35,990,405 km (0.046 R)
• M26: 44,505,965 km (0.079 R)
• M27: 46,565,030 km (0.043 R)
• M28: 47,089,520 km (0.057 R)
• M29: 49,046,260 km (0.043 R)
• M30: 49,226,825 km (0.104 R)
• M31: 52,741,926 km (0.113 R)
• M32: 57,416,411 km (0.081 R)
• M33: 62,783,833 km (0.088 R)
• M34: 64,284,000 km (0.05 R)
• M35: 68,701,625 km (0.119 R)
• M36: 69,154,159 km (0.063 R)
• M37: 73,553,234 km (0.03 R)
• M38: 80,120,132 km (0.056 R)
• M39: 81,630,771 km (0.037 R)
• M40: 84,190,241 km (0.119 R)
• M41: 86,539,227 km (0.096 R)
• M42: 90,279,323 km (0.055 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit