🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 10.2

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.55 AU - 0.83 AU

Year: 376 Days

Day: 6.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,047,149 km

• M1: 126,859 km (0.032 R)
• M2: 678,875 km (0.067 R)
• M3: 1,124,228 km (0.05 R)
• M4: 1,682,378 km (0.1 R)
• M5: 2,162,288 km (0.109 R)
• M6: 2,604,948 km (0.118 R)
• M7: 3,010,358 km (0.05 R)
• M8: 3,411,131 km (0.109 R)
• M9: 3,784,677 km (0.091 R)
• M10: 4,348,212 km (0.101 R)
• M11: 5,012,127 km (0.109 R)
• M12: 5,416,341 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 8.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.61 AU - 0.85 AU

Year: 409 Days

Day: 12.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,047,149 km

• M1: 104,419 km (0.102 R)
• M2: 418,126 km (0.062 R)
• M3: 934,987 km (0.054 R)
• M4: 1,332,767 km (0.104 R)
• M5: 1,713,045 km (0.1 R)
• M6: 2,653,567 km (0.092 R)
• M7: 2,946,180 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.3

Radius: 12.6

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.12 AU - 1.8 AU

Year: 1157 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,047,149 km

• M1: 156,779 km (0.118 R)
• M2: 634,145 km (0.077 R)
• M3: 1,319,154 km (0.112 R)
• M4: 1,711,400 km (0.093 R)
• M5: 3,581,822 km (0.085 R)
• M6: 4,382,320 km (0.12 R)
• M7: 5,278,262 km (0.103 R)
• M8: 6,362,846 km (0.045 R)
• M9: 8,247,181 km (0.084 R)
• M10: 8,705,549 km (0.104 R)
• M11: 9,211,190 km (0.112 R)
• M12: 10,983,027 km (0.119 R)
• M13: 11,644,997 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.3

Radius: 9.7

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.06 AU - 2.2 AU

Year: 2039 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,047,149 km

• M1: 124,316 km (0.067 R)
• M2: 485,445 km (0.111 R)
• M3: 942,467 km (0.063 R)
• M4: 1,352,066 km (0.047 R)
• M5: 1,686,267 km (0.083 R)
• M6: 2,042,310 km (0.095 R)
• M7: 2,685,132 km (0.094 R)
• M8: 3,054,340 km (0.09 R)
• M9: 3,457,506 km (0.092 R)
• M10: 3,808,762 km (0.109 R)
• M11: 4,258,004 km (0.108 R)
• M12: 5,113,554 km (0.035 R)
• M13: 5,504,154 km (0.053 R)
• M14: 6,568,543 km (0.114 R)
• M15: 7,680,803 km (0.119 R)
• M16: 8,944,905 km (0.099 R)
• M17: 9,353,158 km (0.114 R)
• M18: 9,773,678 km (0.054 R)
• M19: 10,105,785 km (0.065 R)
• M20: 10,548,744 km (0.117 R)
• M21: 11,400,555 km (0.101 R)
• M22: 11,880,764 km (0.117 R)
• M23: 13,689,103 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 11.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.22 AU - 5.18 AU

Year: 6684 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,047,149 km

• M1: 139,276 km (0.072 R)
• M2: 820,544 km (0.115 R)
• M3: 1,184,217 km (0.097 R)
• M4: 1,566,888 km (0.112 R)
• M5: 2,111,724 km (0.06 R)
• M6: 2,665,834 km (0.104 R)
• M7: 3,967,036 km (0.051 R)
• M8: 4,564,829 km (0.06 R)
• M9: 6,654,263 km (0.096 R)
• M10: 7,050,099 km (0.115 R)
• M11: 7,731,816 km (0.047 R)
• M12: 8,624,317 km (0.09 R)
• M13: 10,089,778 km (0.081 R)
• M14: 10,565,050 km (0.095 R)
• M15: 13,113,600 km (0.108 R)
• M16: 15,167,878 km (0.073 R)
• M17: 15,792,299 km (0.101 R)
• M18: 16,239,447 km (0.029 R)
• M19: 16,959,312 km (0.112 R)
• M20: 20,276,795 km (0.097 R)
• M21: 20,729,328 km (0.112 R)
• M22: 22,446,413 km (0.084 R)
• M23: 23,175,553 km (0.104 R)
• M24: 25,896,439 km (0.051 R)
• M25: 31,660,594 km (0.056 R)
• M26: 34,893,853 km (0.09 R)
• M27: 37,092,792 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.4

Radius: 8.2

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4 AU - 6.14 AU

Year: 7489 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,047,149 km

• M1: 103,073 km (0.034 R)
• M2: 577,149 km (0.1 R)
• M3: 919,578 km (0.068 R)
• M4: 1,684,771 km (0.086 R)
• M5: 2,530,598 km (0.094 R)
• M6: 4,374,242 km (0.079 R)
• M7: 5,396,893 km (0.082 R)
• M8: 5,716,434 km (0.069 R)
• M9: 7,122,953 km (0.108 R)
• M10: 8,111,346 km (0.096 R)
• M11: 8,446,296 km (0.088 R)
• M12: 9,323,986 km (0.09 R)
• M13: 11,519,186 km (0.118 R)
• M14: 12,050,108 km (0.098 R)
• M15: 12,541,837 km (0.064 R)
• M16: 15,077,820 km (0.1 R)
• M17: 16,102,864 km (0.109 R)
• M18: 16,766,780 km (0.078 R)
• M19: 18,007,544 km (0.076 R)
• M20: 20,439,407 km (0.107 R)
• M21: 21,454,728 km (0.065 R)
• M22: 21,934,489 km (0.111 R)
• M23: 26,306,337 km (0.03 R)
• M24: 28,073,387 km (0.102 R)
• M25: 31,636,060 km (0.079 R)
• M26: 32,887,446 km (0.096 R)
• M27: 33,205,491 km (0.034 R)
• M28: 36,160,199 km (0.079 R)
• M29: 37,412,632 km (0.067 R)
• M30: 40,608,940 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 5.3

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.35 AU - 8.83 AU

Year: 15095 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,047,149 km

• M1: 66,421 km (0.054 R)
• M2: 264,339 km (0.067 R)
• M3: 477,367 km (0.056 R)
• M4: 645,515 km (0.061 R)
• M5: 969,693 km (0.114 R)
• M6: 1,605,634 km (0.064 R)
• M7: 2,143,887 km (0.111 R)
• M8: 2,887,538 km (0.102 R)
• M9: 3,331,096 km (0.077 R)
• M10: 3,875,782 km (0.035 R)
• M11: 4,573,207 km (0.096 R)
• M12: 5,315,661 km (0.092 R)
• M13: 5,715,536 km (0.111 R)
• M14: 8,547,873 km (0.075 R)
• M15: 9,668,361 km (0.106 R)
• M16: 10,044,599 km (0.084 R)
• M17: 13,746,698 km (0.082 R)
• M18: 16,920,118 km (0.1 R)
• M19: 18,593,819 km (0.082 R)
• M20: 18,841,553 km (0.112 R)
• M21: 19,683,340 km (0.105 R)
• M22: 24,173,520 km (0.028 R)
• M23: 24,567,710 km (0.095 R)
• M24: 25,571,662 km (0.049 R)
• M25: 26,917,444 km (0.045 R)
• M26: 31,470,306 km (0.107 R)
• M27: 37,421,758 km (0.067 R)
• M28: 39,697,441 km (0.072 R)
• M29: 40,245,866 km (0.116 R)
• M30: 44,965,530 km (0.109 R)
• M31: 45,711,425 km (0.047 R)
• M32: 49,881,914 km (0.038 R)
• M33: 51,003,150 km (0.074 R)
• M34: 52,305,100 km (0.118 R)
• M35: 53,795,843 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.7

Radius: 7.2

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.29 AU - 9.71 AU

Year: 16257 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,047,149 km

• M1: 89,609 km (0.048 R)
• M2: 799,002 km (0.064 R)
• M3: 1,041,800 km (0.09 R)
• M4: 1,633,609 km (0.115 R)
• M5: 2,739,287 km (0.064 R)
• M6: 3,099,069 km (0.082 R)
• M7: 3,711,822 km (0.036 R)
• M8: 5,841,498 km (0.087 R)
• M9: 8,929,497 km (0.03 R)
• M10: 9,293,469 km (0.115 R)
• M11: 11,084,753 km (0.096 R)
• M12: 11,323,811 km (0.031 R)
• M13: 13,429,251 km (0.117 R)
• M14: 14,325,941 km (0.101 R)
• M15: 14,681,236 km (0.068 R)
• M16: 17,255,217 km (0.088 R)
• M17: 18,480,872 km (0.096 R)
• M18: 19,938,853 km (0.059 R)
• M19: 21,195,924 km (0.091 R)
• M20: 23,082,203 km (0.116 R)
• M21: 25,283,237 km (0.038 R)
• M22: 26,969,355 km (0.091 R)
• M23: 27,839,865 km (0.089 R)
• M24: 29,294,255 km (0.119 R)
• M25: 30,098,044 km (0.081 R)
• M26: 31,509,949 km (0.066 R)
• M27: 31,749,455 km (0.079 R)
• M28: 32,111,033 km (0.066 R)
• M29: 33,585,021 km (0.088 R)
• M30: 35,490,150 km (0.113 R)
• M31: 36,799,580 km (0.099 R)
• M32: 37,466,188 km (0.091 R)
• M33: 37,735,016 km (0.12 R)
• M34: 38,412,844 km (0.093 R)
• M35: 39,514,333 km (0.113 R)
• M36: 43,239,469 km (0.064 R)
• M37: 53,562,470 km (0.117 R)
• M38: 59,381,379 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.8

Radius: 3.1

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.35 AU - 11.61 AU

Year: 19148 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,047,149 km

• M1: 41,139 km (0.091 R)
• M2: 168,298 km (0.086 R)
• M3: 276,457 km (0.041 R)
• M4: 1,055,413 km (0.112 R)
• M5: 1,373,907 km (0.082 R)
• M6: 1,877,304 km (0.105 R)
• M7: 2,144,485 km (0.12 R)
• M8: 2,965,778 km (0.099 R)
• M9: 3,257,494 km (0.056 R)
• M10: 3,592,742 km (0.089 R)
• M11: 4,083,872 km (0.09 R)
• M12: 5,229,343 km (0.115 R)
• M13: 7,028,706 km (0.039 R)
• M14: 8,835,101 km (0.099 R)
• M15: 9,155,838 km (0.116 R)
• M16: 9,295,563 km (0.105 R)
• M17: 10,065,244 km (0.097 R)
• M18: 10,928,573 km (0.101 R)
• M19: 12,061,777 km (0.103 R)
• M20: 15,330,491 km (0.118 R)
• M21: 21,925,662 km (0.077 R)
• M22: 22,092,314 km (0.064 R)
• M23: 25,882,975 km (0.033 R)
• M24: 26,069,224 km (0.113 R)
• M25: 28,274,596 km (0.08 R)
• M26: 30,187,654 km (0.044 R)
• M27: 43,112,461 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.9

Radius: 7.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.21 AU - 11.95 AU

Year: 20994 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,047,149 km

• M1: 96,042 km (0.055 R)
• M2: 513,569 km (0.09 R)
• M3: 876,195 km (0.049 R)
• M4: 1,157,439 km (0.077 R)
• M5: 2,164,831 km (0.105 R)
• M6: 2,946,330 km (0.103 R)
• M7: 3,438,657 km (0.034 R)
• M8: 3,796,495 km (0.058 R)
• M9: 4,293,010 km (0.059 R)
• M10: 6,190,958 km (0.112 R)
• M11: 6,839,465 km (0.065 R)
• M12: 8,497,458 km (0.113 R)
• M13: 11,828,554 km (0.112 R)
• M14: 12,585,968 km (0.099 R)
• M15: 18,895,857 km (0.07 R)
• M16: 21,253,369 km (0.095 R)
• M17: 23,437,498 km (0.063 R)
• M18: 24,630,392 km (0.072 R)
• M19: 28,657,267 km (0.072 R)
• M20: 30,880,591 km (0.064 R)
• M21: 41,717,161 km (0.077 R)
• M22: 42,250,179 km (0.1 R)
• M23: 43,466,110 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 17,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit