🌌 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: 492.3

Radius: 14.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.59 AU - 0.89 AU

Year: 418 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,733,375 km

• M1: 182,061 km (0.038 R)
• M2: 285,732 km (0.093 R)
• M3: 394,340 km (0.116 R)
• M4: 522,545 km (0.102 R)
• M5: 635,342 km (0.03 R)
• M6: 772,972 km (0.037 R)
• M7: 906,413 km (0.077 R)
• M8: 1,073,664 km (0.084 R)
• M9: 1,163,722 km (0.094 R)
• M10: 1,389,465 km (0.115 R)
• M11: 1,512,883 km (0.112 R)
• M12: 1,715,289 km (0.041 R)
• M13: 1,822,551 km (0.113 R)
• M14: 1,916,498 km (0.07 R)
• M15: 2,017,477 km (0.071 R)
• M16: 2,208,513 km (0.115 R)
• M17: 2,348,687 km (0.03 R)
• M18: 2,544,211 km (0.088 R)
• M19: 2,709,517 km (0.115 R)
• M20: 2,921,198 km (0.103 R)
• M21: 3,100,865 km (0.072 R)
• M22: 3,220,693 km (0.049 R)
• M23: 3,380,613 km (0.062 R)
• M24: 3,576,287 km (0.034 R)
• M25: 3,768,969 km (0.068 R)
• M26: 3,944,746 km (0.06 R)
• M27: 4,047,370 km (0.098 R)
• M28: 4,269,374 km (0.077 R)
• M29: 4,452,781 km (0.03 R)
• M30: 4,624,519 km (0.08 R)
• M31: 4,856,994 km (0.037 R)
• M32: 4,974,578 km (0.112 R)
• M33: 5,115,649 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 9.2

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.7 AU - 0.94 AU

Year: 487 Days

Day: 7.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 59,733,375 km

• M1: 115,041 km (0.08 R)
• M2: 200,162 km (0.079 R)
• M3: 289,173 km (0.095 R)
• M4: 347,366 km (0.079 R)
• M5: 410,945 km (0.045 R)
• M6: 486,791 km (0.042 R)
• M7: 556,205 km (0.099 R)
• M8: 629,508 km (0.077 R)
• M9: 689,197 km (0.088 R)
• M10: 759,808 km (0.101 R)
• M11: 967,749 km (0.094 R)
• M12: 1,032,824 km (0.102 R)
• M13: 1,242,710 km (0.097 R)
• M14: 1,313,918 km (0.054 R)
• M15: 1,542,055 km (0.085 R)
• M16: 1,666,969 km (0.046 R)
• M17: 1,746,106 km (0.073 R)
• M18: 1,839,007 km (0.081 R)
• M19: 1,920,837 km (0.086 R)
• M20: 2,042,759 km (0.039 R)
• M21: 2,207,167 km (0.043 R)
• M22: 2,301,114 km (0.043 R)
• M23: 2,486,167 km (0.079 R)
• M24: 2,591,185 km (0.095 R)
• M25: 2,704,879 km (0.03 R)
• M26: 2,952,015 km (0.118 R)
• M27: 3,040,876 km (0.1 R)
• M28: 3,123,304 km (0.103 R)
• M29: 3,206,481 km (0.114 R)
• M30: 3,267,367 km (0.084 R)
• M31: 3,374,928 km (0.11 R)
• M32: 3,507,172 km (0.092 R)
• M33: 3,601,569 km (0.098 R)
• M34: 3,776,748 km (0.116 R)
• M35: 3,906,000 km (0.088 R)
• M36: 4,003,987 km (0.064 R)
• M37: 4,086,116 km (0.1 R)
• M38: 4,177,221 km (0.101 R)
• M39: 4,243,942 km (0.065 R)
• M40: 4,412,240 km (0.074 R)
• M41: 4,514,415 km (0.1 R)
• M42: 4,703,507 km (0.05 R)
• M43: 4,833,956 km (0.034 R)
• M44: 5,063,140 km (0.115 R)
• M45: 5,187,905 km (0.056 R)
• M46: 5,422,474 km (0.089 R)
• M47: 5,568,482 km (0.095 R)
• M48: 5,780,911 km (0.093 R)
• M49: 5,986,458 km (0.103 R)
• M50: 6,071,280 km (0.093 R)
• M51: 6,175,400 km (0.112 R)
• M52: 6,299,417 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 11.7

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.89 AU - 1.21 AU

Year: 706 Days

Day: 13.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,733,375 km

• M1: 169,046 km (0.065 R)
• M2: 292,763 km (0.064 R)
• M3: 419,472 km (0.082 R)
• M4: 623,674 km (0.088 R)
• M5: 794,664 km (0.117 R)
• M6: 897,737 km (0.11 R)
• M7: 995,574 km (0.041 R)
• M8: 1,156,840 km (0.08 R)
• M9: 1,246,300 km (0.083 R)
• M10: 1,584,541 km (0.039 R)
• M11: 1,717,384 km (0.081 R)
• M12: 1,968,858 km (0.091 R)
• M13: 2,051,136 km (0.113 R)
• M14: 2,130,124 km (0.098 R)
• M15: 2,291,241 km (0.118 R)
• M16: 2,382,496 km (0.093 R)
• M17: 2,479,734 km (0.097 R)
• M18: 2,559,470 km (0.04 R)
• M19: 2,882,003 km (0.118 R)
• M20: 3,015,893 km (0.116 R)
• M21: 3,294,893 km (0.055 R)
• M22: 3,461,246 km (0.118 R)
• M23: 3,609,049 km (0.04 R)
• M24: 3,721,247 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 14

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.05 AU - 1.15 AU

Year: 757 Days

Day: 5.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,733,375 km

• M1: 268,977 km (0.112 R)
• M2: 378,034 km (0.118 R)
• M3: 486,492 km (0.119 R)
• M4: 620,532 km (0.053 R)
• M5: 726,447 km (0.091 R)
• M6: 823,536 km (0.055 R)
• M7: 922,420 km (0.091 R)
• M8: 1,032,824 km (0.034 R)
• M9: 1,126,173 km (0.117 R)
• M10: 1,256,772 km (0.094 R)
• M11: 1,377,048 km (0.102 R)
• M12: 1,550,732 km (0.1 R)
• M13: 1,646,923 km (0.04 R)
• M14: 1,827,787 km (0.06 R)
• M15: 1,925,325 km (0.055 R)
• M16: 2,020,170 km (0.045 R)
• M17: 2,135,061 km (0.088 R)
• M18: 2,309,492 km (0.114 R)
• M19: 2,415,557 km (0.034 R)
• M20: 2,543,164 km (0.063 R)
• M21: 2,738,688 km (0.082 R)
• M22: 3,012,752 km (0.046 R)
• M23: 3,193,316 km (0.092 R)
• M24: 3,632,535 km (0.044 R)
• M25: 3,745,482 km (0.099 R)
• M26: 3,894,033 km (0.088 R)
• M27: 4,056,197 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 14.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.82 AU - 1.9 AU

Year: 1664 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,733,375 km

• M1: 313,707 km (0.075 R)
• M2: 428,000 km (0.089 R)
• M3: 568,173 km (0.108 R)
• M4: 759,658 km (0.05 R)
• M5: 985,551 km (0.069 R)
• M6: 1,115,402 km (0.094 R)
• M7: 1,218,325 km (0.093 R)
• M8: 1,370,765 km (0.054 R)
• M9: 1,464,414 km (0.109 R)
• M10: 1,615,208 km (0.08 R)
• M11: 1,868,029 km (0.109 R)
• M12: 1,999,376 km (0.077 R)
• M13: 2,120,400 km (0.078 R)
• M14: 2,292,887 km (0.115 R)
• M15: 2,391,621 km (0.112 R)
• M16: 2,622,600 km (0.089 R)
• M17: 3,217,252 km (0.044 R)
• M18: 3,400,509 km (0.054 R)
• M19: 3,636,874 km (0.087 R)
• M20: 3,828,210 km (0.047 R)
• M21: 4,117,233 km (0.113 R)
• M22: 4,387,257 km (0.118 R)
• M23: 4,546,728 km (0.071 R)
• M24: 4,645,014 km (0.104 R)
• M25: 4,825,878 km (0.087 R)
• M26: 4,981,459 km (0.088 R)
• M27: 5,082,887 km (0.083 R)
• M28: 5,185,212 km (0.076 R)
• M29: 5,354,108 km (0.075 R)
• M30: 5,591,669 km (0.035 R)
• M31: 5,852,269 km (0.027 R)
• M32: 6,077,413 km (0.055 R)
• M33: 6,285,504 km (0.097 R)
• M34: 6,821,364 km (0.075 R)
• M35: 6,924,137 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 8.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.28 AU - 4.56 AU

Year: 6096 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 59,733,375 km

• M1: 113,096 km (0.116 R)
• M2: 169,794 km (0.096 R)
• M3: 249,230 km (0.115 R)
• M4: 725,400 km (0.093 R)
• M5: 979,417 km (0.115 R)
• M6: 1,044,044 km (0.098 R)
• M7: 1,110,315 km (0.109 R)
• M8: 1,177,934 km (0.12 R)
• M9: 1,289,234 km (0.08 R)
• M10: 1,930,561 km (0.111 R)
• M11: 2,029,594 km (0.088 R)
• M12: 2,336,719 km (0.045 R)
• M13: 2,424,682 km (0.088 R)
• M14: 2,825,006 km (0.092 R)
• M15: 2,881,255 km (0.04 R)
• M16: 3,207,079 km (0.053 R)
• M17: 3,444,042 km (0.1 R)
• M18: 3,625,804 km (0.106 R)
• M19: 3,789,912 km (0.119 R)
• M20: 4,104,218 km (0.104 R)
• M21: 4,892,748 km (0.099 R)
• M22: 5,005,994 km (0.1 R)
• M23: 5,120,137 km (0.091 R)
• M24: 5,258,216 km (0.11 R)
• M25: 5,538,113 km (0.036 R)
• M26: 6,406,828 km (0.081 R)
• M27: 6,530,845 km (0.068 R)
• M28: 6,831,836 km (0.103 R)
• M29: 6,933,113 km (0.028 R)
• M30: 7,034,989 km (0.092 R)
• M31: 7,240,088 km (0.059 R)
• M32: 7,447,281 km (0.075 R)
• M33: 7,656,419 km (0.047 R)
• M34: 8,187,641 km (0.106 R)
• M35: 8,322,279 km (0.106 R)
• M36: 8,512,119 km (0.072 R)
• M37: 9,257,565 km (0.117 R)
• M38: 9,595,656 km (0.082 R)
• M39: 9,794,771 km (0.093 R)
• M40: 9,937,787 km (0.072 R)
• M41: 10,081,550 km (0.105 R)
• M42: 10,139,295 km (0.098 R)
• M43: 10,371,172 km (0.067 R)
• M44: 11,436,159 km (0.092 R)
• M45: 11,647,241 km (0.111 R)
• M46: 11,738,047 km (0.109 R)
• M47: 11,859,670 km (0.1 R)
• M48: 12,134,631 km (0.091 R)
• M49: 12,442,653 km (0.101 R)
• M50: 12,722,102 km (0.108 R)
• M51: 12,815,750 km (0.069 R)
• M52: 12,972,230 km (0.088 R)
• M53: 13,066,476 km (0.099 R)
• M54: 13,160,873 km (0.04 R)
• M55: 14,409,417 km (0.12 R)
• M56: 14,637,553 km (0.078 R)
• M57: 16,064,717 km (0.098 R)
• M58: 16,402,958 km (0.072 R)
• M59: 16,914,732 km (0.104 R)
• M60: 17,189,843 km (0.106 R)
• M61: 18,269,790 km (0.051 R)
• M62: 18,481,321 km (0.109 R)
• M63: 19,228,114 km (0.085 R)
• M64: 19,659,404 km (0.077 R)
• M65: 19,731,510 km (0.083 R)
• M66: 20,021,132 km (0.111 R)
• M67: 21,193,530 km (0.077 R)
• M68: 21,490,183 km (0.069 R)
• M69: 22,614,710 km (0.091 R)
• M70: 24,104,855 km (0.089 R)
• M71: 24,220,793 km (0.12 R)
• M72: 24,375,627 km (0.104 R)
• M73: 24,492,014 km (0.044 R)
• M74: 24,842,222 km (0.077 R)
• M75: 25,076,642 km (0.093 R)
• M76: 25,194,226 km (0.037 R)
• M77: 25,587,220 km (0.102 R)
• M78: 25,942,515 km (0.102 R)
• M79: 26,021,802 km (0.043 R)
• M80: 26,379,191 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.4

Radius: 7.3

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.72 AU - 11.58 AU

Year: 19665 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 59,733,375 km

• M1: 100,979 km (0.03 R)
• M2: 204,051 km (0.109 R)
• M3: 659,727 km (0.038 R)
• M4: 821,741 km (0.105 R)
• M5: 907,610 km (0.101 R)
• M6: 1,208,003 km (0.039 R)
• M7: 1,331,720 km (0.109 R)
• M8: 1,727,407 km (0.033 R)
• M9: 1,924,277 km (0.111 R)
• M10: 2,526,110 km (0.042 R)
• M11: 2,685,282 km (0.091 R)
• M12: 3,148,437 km (0.055 R)
• M13: 3,354,433 km (0.063 R)
• M14: 4,147,451 km (0.088 R)
• M15: 4,720,112 km (0.11 R)
• M16: 5,195,983 km (0.029 R)
• M17: 5,357,997 km (0.076 R)
• M18: 6,022,960 km (0.093 R)
• M19: 6,107,782 km (0.109 R)
• M20: 6,365,090 km (0.089 R)
• M21: 6,495,091 km (0.045 R)
• M22: 7,429,180 km (0.06 R)
• M23: 7,749,918 km (0.092 R)
• M24: 8,028,469 km (0.083 R)
• M25: 8,452,280 km (0.058 R)
• M26: 8,980,360 km (0.07 R)
• M27: 10,219,779 km (0.083 R)
• M28: 11,354,030 km (0.084 R)
• M29: 11,670,279 km (0.111 R)
• M30: 11,776,494 km (0.112 R)
• M31: 11,989,521 km (0.12 R)
• M32: 12,043,077 km (0.112 R)
• M33: 12,854,646 km (0.092 R)
• M34: 13,350,114 km (0.094 R)
• M35: 13,405,615 km (0.107 R)
• M36: 13,572,416 km (0.102 R)
• M37: 13,907,964 km (0.072 R)
• M38: 13,964,213 km (0.091 R)
• M39: 14,359,750 km (0.088 R)
• M40: 14,473,444 km (0.072 R)
• M41: 14,587,438 km (0.107 R)
• M42: 15,451,964 km (0.054 R)
• M43: 17,169,946 km (0.088 R)
• M44: 17,230,234 km (0.113 R)
• M45: 18,204,864 km (0.118 R)
• M46: 18,760,919 km (0.085 R)
• M47: 19,636,964 km (0.053 R)
• M48: 20,016,494 km (0.072 R)
• M49: 21,234,221 km (0.073 R)
• M50: 23,405,634 km (0.042 R)
• M51: 23,539,524 km (0.043 R)
• M52: 23,942,690 km (0.079 R)
• M53: 25,028,771 km (0.078 R)
• M54: 26,548,386 km (0.052 R)
• M55: 28,596,531 km (0.098 R)
• M56: 29,026,624 km (0.11 R)
• M57: 29,531,218 km (0.1 R)
• M58: 29,603,474 km (0.117 R)
• M59: 29,893,245 km (0.03 R)
• M60: 30,038,504 km (0.115 R)
• M61: 30,914,998 km (0.104 R)
• M62: 31,725,819 km (0.108 R)
• M63: 32,394,372 km (0.107 R)
• M64: 33,443,651 km (0.114 R)
• M65: 34,656,441 km (0.089 R)
• M66: 35,344,891 km (0.076 R)
• M67: 36,424,838 km (0.113 R)
• M68: 36,735,403 km (0.1 R)
• M69: 37,672,334 km (0.099 R)
• M70: 37,986,340 km (0.105 R)
• M71: 38,065,029 km (0.083 R)
• M72: 38,301,244 km (0.045 R)
• M73: 39,013,030 km (0.065 R)
• M74: 39,330,776 km (0.092 R)
• M75: 39,489,948 km (0.093 R)
• M76: 39,888,926 km (0.12 R)
• M77: 40,932,221 km (0.097 R)
• M78: 41,255,203 km (0.117 R)
• M79: 43,703,372 km (0.117 R)
• M80: 46,030,517 km (0.115 R)
• M81: 47,040,302 km (0.105 R)
• M82: 48,227,362 km (0.117 R)
• M83: 48,910,126 km (0.111 R)
• M84: 49,854,238 km (0.052 R)
• M85: 52,634,515 km (0.088 R)
• M86: 53,690,077 km (0.109 R)
• M87: 53,778,340 km (0.057 R)
• M88: 54,308,964 km (0.06 R)
• M89: 56,898,353 km (0.062 R)
• M90: 57,078,469 km (0.097 R)
• M91: 58,980,457 km (0.115 R)
• M92: 59,345,027 km (0.077 R)
• M93: 60,168,264 km (0.108 R)
• M94: 61,087,393 km (0.094 R)
• M95: 61,733,506 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.4

Radius: 7.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9 AU - 11.94 AU

Year: 22224 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 59,733,375 km

• M1: 108,010 km (0.111 R)
• M2: 157,826 km (0.094 R)
• M3: 242,199 km (0.064 R)
• M4: 348,264 km (0.116 R)
• M5: 825,930 km (0.081 R)
• M6: 1,550,133 km (0.065 R)
• M7: 1,655,001 km (0.115 R)
• M8: 2,273,888 km (0.116 R)
• M9: 2,765,466 km (0.117 R)
• M10: 3,289,358 km (0.078 R)
• M11: 4,614,496 km (0.086 R)
• M12: 5,037,110 km (0.071 R)
• M13: 5,472,290 km (0.069 R)
• M14: 6,293,882 km (0.112 R)
• M15: 6,547,899 km (0.09 R)
• M16: 8,372,095 km (0.105 R)
• M17: 8,464,846 km (0.1 R)
• M18: 9,123,974 km (0.027 R)
• M19: 9,363,331 km (0.112 R)
• M20: 12,182,802 km (0.044 R)
• M21: 12,872,298 km (0.032 R)
• M22: 12,925,854 km (0.077 R)
• M23: 13,847,676 km (0.081 R)
• M24: 14,344,192 km (0.115 R)
• M25: 15,582,563 km (0.079 R)
• M26: 17,562,940 km (0.064 R)
• M27: 17,980,318 km (0.116 R)
• M28: 18,220,422 km (0.101 R)
• M29: 18,885,983 km (0.112 R)
• M30: 20,303,124 km (0.033 R)
• M31: 22,202,568 km (0.086 R)
• M32: 22,653,905 km (0.109 R)
• M33: 24,888,747 km (0.117 R)
• M34: 25,964,506 km (0.087 R)
• M35: 26,644,578 km (0.103 R)
• M36: 27,537,527 km (0.103 R)
• M37: 29,211,378 km (0.116 R)
• M38: 29,423,059 km (0.052 R)
• M39: 30,203,062 km (0.108 R)
• M40: 30,274,271 km (0.108 R)
• M41: 32,073,783 km (0.04 R)
• M42: 32,437,905 km (0.058 R)
• M43: 33,390,843 km (0.088 R)
• M44: 33,464,445 km (0.058 R)
• M45: 34,800,055 km (0.079 R)
• M46: 34,874,704 km (0.094 R)
• M47: 35,174,050 km (0.115 R)
• M48: 35,700,036 km (0.117 R)
• M49: 36,911,928 km (0.119 R)
• M50: 38,137,284 km (0.083 R)
• M51: 41,972,076 km (0.115 R)
• M52: 42,689,697 km (0.076 R)
• M53: 43,491,841 km (0.109 R)
• M54: 43,894,708 km (0.116 R)
• M55: 45,682,103 km (0.088 R)
• M56: 48,157,649 km (0.11 R)
• M57: 49,748,024 km (0.096 R)
• M58: 49,832,098 km (0.071 R)
• M59: 50,084,918 km (0.095 R)
• M60: 50,591,906 km (0.091 R)
• M61: 51,100,538 km (0.11 R)
• M62: 51,440,574 km (0.061 R)
• M63: 52,893,918 km (0.086 R)
• M64: 56,191,354 km (0.069 R)
• M65: 58,041,879 km (0.077 R)
• M66: 58,485,437 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 11,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit