🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.55 AU - 0.59 AU

Year: 278 Days

Day: 27.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 12.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.66 AU - 0.9 AU

Year: 445 Days

Day: 8.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,618,268 km

• M1: 164,258 km (0.079 R)
• M2: 273,764 km (0.1 R)
• M3: 391,797 km (0.079 R)
• M4: 472,131 km (0.119 R)
• M5: 673,789 km (0.092 R)
• M6: 812,167 km (0.098 R)
• M7: 919,429 km (0.053 R)
• M8: 1,143,526 km (0.029 R)
• M9: 1,497,026 km (0.087 R)
• M10: 1,648,868 km (0.09 R)
• M11: 1,732,044 km (0.042 R)
• M12: 1,968,259 km (0.116 R)
• M13: 2,131,770 km (0.104 R)
• M14: 2,342,703 km (0.058 R)
• M15: 2,452,657 km (0.072 R)
• M16: 2,540,471 km (0.112 R)
• M17: 2,710,863 km (0.096 R)
• M18: 2,944,236 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 9.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.68 AU - 0.96 AU

Year: 479 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 57,618,268 km

• M1: 123,568 km (0.066 R)
• M2: 188,493 km (0.101 R)
• M3: 248,781 km (0.104 R)
• M4: 349,461 km (0.097 R)
• M5: 427,700 km (0.101 R)
• M6: 520,451 km (0.078 R)
• M7: 582,833 km (0.093 R)
• M8: 720,314 km (0.113 R)
• M9: 787,034 km (0.119 R)
• M10: 1,000,810 km (0.072 R)
• M11: 1,139,188 km (0.103 R)
• M12: 1,284,148 km (0.06 R)
• M13: 1,456,784 km (0.12 R)
• M14: 1,648,419 km (0.096 R)
• M15: 1,721,722 km (0.115 R)
• M16: 1,784,553 km (0.088 R)
• M17: 1,859,950 km (0.076 R)
• M18: 1,924,577 km (0.071 R)
• M19: 2,092,575 km (0.055 R)
• M20: 2,278,076 km (0.053 R)
• M21: 2,456,247 km (0.113 R)
• M22: 2,553,486 km (0.05 R)
• M23: 2,658,803 km (0.093 R)
• M24: 2,873,625 km (0.116 R)
• M25: 2,969,518 km (0.115 R)
• M26: 3,031,601 km (0.119 R)
• M27: 3,115,226 km (0.095 R)
• M28: 3,199,599 km (0.12 R)
• M29: 3,277,689 km (0.067 R)
• M30: 3,596,333 km (0.104 R)
• M31: 3,729,475 km (0.098 R)
• M32: 3,841,823 km (0.078 R)
• M33: 3,932,479 km (0.082 R)
• M34: 4,131,444 km (0.096 R)
• M35: 4,547,177 km (0.071 R)
• M36: 4,635,140 km (0.068 R)
• M37: 4,756,165 km (0.112 R)
• M38: 4,894,394 km (0.081 R)
• M39: 4,968,295 km (0.081 R)
• M40: 5,075,407 km (0.086 R)
• M41: 5,250,287 km (0.101 R)
• M42: 5,351,116 km (0.079 R)
• M43: 5,452,693 km (0.111 R)
• M44: 5,683,373 km (0.088 R)
• M45: 5,743,661 km (0.085 R)
• M46: 5,925,871 km (0.102 R)

Asteroid Belt

Center: 1.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 13

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.57 AU - 1.59 AU

Year: 1282 Days

Day: 12.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 127.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,618,268 km

• M1: 164,857 km (0.11 R)
• M2: 259,403 km (0.097 R)
• M3: 423,063 km (0.055 R)
• M4: 541,245 km (0.093 R)
• M5: 699,819 km (0.093 R)
• M6: 813,812 km (0.043 R)
• M7: 913,594 km (0.078 R)
• M8: 1,108,520 km (0.061 R)
• M9: 1,197,232 km (0.072 R)
• M10: 1,332,618 km (0.086 R)
• M11: 1,427,612 km (0.076 R)
• M12: 1,582,446 km (0.039 R)
• M13: 1,781,561 km (0.051 R)
• M14: 1,966,314 km (0.047 R)
• M15: 2,104,692 km (0.093 R)
• M16: 2,210,907 km (0.058 R)
• M17: 2,355,119 km (0.111 R)
• M18: 2,666,133 km (0.079 R)
• M19: 3,184,789 km (0.034 R)
• M20: 3,266,320 km (0.104 R)
• M21: 3,543,525 km (0.074 R)
• M22: 4,002,940 km (0.069 R)
• M23: 4,277,302 km (0.089 R)
• M24: 4,743,300 km (0.118 R)
• M25: 4,946,902 km (0.032 R)
• M26: 5,033,968 km (0.056 R)
• M27: 5,209,596 km (0.077 R)
• M28: 5,354,856 km (0.076 R)
• M29: 5,542,302 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.3

Radius: 9.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.63 AU - 1.69 AU

Year: 1381 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 57,618,268 km

• M1: 116,686 km (0.098 R)
• M2: 199,863 km (0.111 R)
• M3: 285,134 km (0.071 R)
• M4: 372,349 km (0.105 R)
• M5: 467,493 km (0.101 R)
• M6: 560,992 km (0.072 R)
• M7: 681,568 km (0.111 R)
• M8: 747,391 km (0.119 R)
• M9: 833,111 km (0.073 R)
• M10: 895,194 km (0.093 R)
• M11: 968,197 km (0.1 R)
• M12: 1,081,892 km (0.117 R)
• M13: 1,185,114 km (0.069 R)
• M14: 1,291,628 km (0.1 R)
• M15: 1,354,160 km (0.065 R)
• M16: 1,417,589 km (0.093 R)
• M17: 1,487,601 km (0.095 R)
• M18: 1,592,021 km (0.044 R)
• M19: 1,676,244 km (0.067 R)
• M20: 1,785,301 km (0.079 R)
• M21: 1,861,147 km (0.11 R)
• M22: 2,034,531 km (0.071 R)
• M23: 2,095,567 km (0.08 R)
• M24: 2,238,433 km (0.116 R)
• M25: 2,442,484 km (0.107 R)
• M26: 2,540,321 km (0.07 R)
• M27: 2,646,087 km (0.046 R)
• M28: 2,787,158 km (0.045 R)
• M29: 3,105,053 km (0.079 R)
• M30: 3,268,414 km (0.081 R)
• M31: 3,420,107 km (0.118 R)
• M32: 3,618,623 km (0.108 R)
• M33: 3,693,123 km (0.093 R)
• M34: 3,835,989 km (0.074 R)
• M35: 4,019,246 km (0.114 R)
• M36: 4,119,626 km (0.09 R)
• M37: 4,275,806 km (0.108 R)
• M38: 4,346,716 km (0.111 R)
• M39: 4,433,931 km (0.032 R)
• M40: 4,577,994 km (0.101 R)
• M41: 4,739,859 km (0.095 R)
• M42: 4,895,441 km (0.08 R)
• M43: 4,986,247 km (0.108 R)
• M44: 5,144,521 km (0.12 R)
• M45: 5,245,350 km (0.105 R)
• M46: 5,560,254 km (0.034 R)
• M47: 5,655,099 km (0.117 R)
• M48: 5,724,363 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76

Radius: 14.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.45 AU - 2.05 AU

Year: 1495 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 96.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,618,268 km

• M1: 183,856 km (0.072 R)
• M2: 355,893 km (0.048 R)
• M3: 458,069 km (0.102 R)
• M4: 609,163 km (0.071 R)
• M5: 729,888 km (0.075 R)
• M6: 891,903 km (0.097 R)
• M7: 1,047,634 km (0.104 R)
• M8: 1,350,869 km (0.105 R)
• M9: 1,465,910 km (0.114 R)
• M10: 1,624,782 km (0.108 R)
• M11: 1,886,579 km (0.108 R)
• M12: 2,022,862 km (0.091 R)
• M13: 2,391,771 km (0.049 R)
• M14: 2,499,182 km (0.069 R)
• M15: 2,601,507 km (0.056 R)
• M16: 2,761,277 km (0.1 R)
• M17: 2,960,392 km (0.105 R)
• M18: 3,245,675 km (0.055 R)
• M19: 3,387,943 km (0.105 R)
• M20: 3,486,528 km (0.12 R)
• M21: 3,640,315 km (0.085 R)
• M22: 3,930,534 km (0.119 R)
• M23: 4,212,227 km (0.111 R)
• M24: 4,326,819 km (0.085 R)
• M25: 4,517,407 km (0.089 R)
• M26: 4,727,742 km (0.117 R)
• M27: 4,932,691 km (0.058 R)
• M28: 5,088,422 km (0.053 R)
• M29: 5,245,799 km (0.093 R)
• M30: 5,736,929 km (0.108 R)
• M31: 6,487,162 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 11

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.63 AU - 2.33 AU

Year: 1799 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 137.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 57,618,268 km

• M1: 141,071 km (0.089 R)
• M2: 273,315 km (0.095 R)
• M3: 381,475 km (0.089 R)
• M4: 458,368 km (0.111 R)
• M5: 527,632 km (0.084 R)
• M6: 668,553 km (0.094 R)
• M7: 766,390 km (0.118 R)
• M8: 846,126 km (0.092 R)
• M9: 965,654 km (0.105 R)
• M10: 1,149,360 km (0.109 R)
• M11: 1,222,215 km (0.107 R)
• M12: 1,457,831 km (0.063 R)
• M13: 1,530,087 km (0.09 R)
• M14: 1,769,444 km (0.097 R)
• M15: 1,862,493 km (0.075 R)
• M16: 2,005,060 km (0.115 R)
• M17: 2,301,563 km (0.117 R)
• M18: 2,394,912 km (0.097 R)
• M19: 2,559,470 km (0.107 R)
• M20: 2,665,236 km (0.051 R)
• M21: 2,772,647 km (0.09 R)
• M22: 2,872,279 km (0.065 R)
• M23: 3,038,034 km (0.073 R)
• M24: 3,112,683 km (0.117 R)
• M25: 3,456,608 km (0.086 R)
• M26: 3,593,790 km (0.117 R)
• M27: 3,843,169 km (0.085 R)
• M28: 3,995,460 km (0.095 R)
• M29: 4,358,833 km (0.106 R)
• M30: 4,550,019 km (0.056 R)
• M31: 5,017,662 km (0.11 R)
• M32: 5,274,223 km (0.117 R)
• M33: 5,375,799 km (0.09 R)
• M34: 5,546,640 km (0.118 R)
• M35: 5,684,569 km (0.082 R)
• M36: 5,777,171 km (0.085 R)
• M37: 5,963,869 km (0.12 R)
• M38: 6,046,148 km (0.058 R)
• M39: 6,890,179 km (0.116 R)
• M40: 7,113,229 km (0.034 R)
• M41: 7,263,276 km (0.088 R)
• M42: 7,426,936 km (0.092 R)
• M43: 7,694,118 km (0.074 R)
• M44: 7,809,458 km (0.095 R)
• M45: 8,146,352 km (0.112 R)
• M46: 8,277,101 km (0.04 R)
• M47: 8,369,103 km (0.105 R)
• M48: 8,461,405 km (0.077 R)
• M49: 8,780,497 km (0.067 R)
• M50: 8,995,470 km (0.079 R)
• M51: 9,171,397 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 13.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.89 AU - 5.61 AU

Year: 7767 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 57,618,268 km

• M1: 300,093 km (0.066 R)
• M2: 418,874 km (0.107 R)
• M3: 985,401 km (0.096 R)
• M4: 1,093,112 km (0.117 R)
• M5: 1,186,162 km (0.115 R)
• M6: 1,586,635 km (0.066 R)
• M7: 2,122,345 km (0.106 R)
• M8: 2,410,770 km (0.063 R)
• M9: 2,712,060 km (0.041 R)
• M10: 2,867,492 km (0.113 R)
• M11: 3,269,013 km (0.107 R)
• M12: 3,688,784 km (0.046 R)
• M13: 3,861,570 km (0.069 R)
• M14: 3,978,256 km (0.079 R)
• M15: 4,125,909 km (0.069 R)
• M16: 4,215,369 km (0.099 R)
• M17: 4,734,623 km (0.081 R)
• M18: 5,081,540 km (0.064 R)
• M19: 5,306,685 km (0.033 R)
• M20: 5,600,944 km (0.079 R)
• M21: 5,766,848 km (0.094 R)
• M22: 5,867,228 km (0.056 R)
• M23: 5,968,057 km (0.09 R)
• M24: 6,103,593 km (0.04 R)
• M25: 6,274,434 km (0.116 R)
• M26: 6,481,477 km (0.032 R)
• M27: 6,796,381 km (0.1 R)
• M28: 7,296,187 km (0.109 R)
• M29: 7,477,650 km (0.113 R)
• M30: 7,660,608 km (0.059 R)
• M31: 7,956,512 km (0.091 R)
• M32: 8,407,251 km (0.081 R)
• M33: 8,597,689 km (0.116 R)
• M34: 11,620,314 km (0.095 R)
• M35: 13,354,153 km (0.107 R)
• M36: 13,710,645 km (0.043 R)
• M37: 13,800,254 km (0.102 R)
• M38: 14,205,814 km (0.097 R)
• M39: 14,661,190 km (0.059 R)
• M40: 14,798,670 km (0.11 R)
• M41: 15,213,954 km (0.062 R)
• M42: 15,679,802 km (0.105 R)
• M43: 16,673,431 km (0.054 R)
• M44: 17,638,636 km (0.113 R)
• M45: 17,736,174 km (0.067 R)
• M46: 19,673,766 km (0.1 R)
• M47: 19,774,894 km (0.07 R)
• M48: 19,977,748 km (0.093 R)
• M49: 20,899,122 km (0.104 R)
• M50: 21,105,716 km (0.094 R)
• M51: 21,939,126 km (0.083 R)
• M52: 22,096,653 km (0.113 R)
• M53: 22,518,369 km (0.09 R)
• M54: 22,889,671 km (0.097 R)
• M55: 23,102,698 km (0.087 R)
• M56: 23,316,324 km (0.067 R)
• M57: 23,476,992 km (0.086 R)
• M58: 23,584,404 km (0.088 R)
• M59: 23,745,670 km (0.118 R)
• M60: 23,961,390 km (0.097 R)
• M61: 24,177,709 km (0.071 R)
• M62: 24,286,167 km (0.042 R)
• M63: 24,994,663 km (0.073 R)
• M64: 26,823,945 km (0.114 R)
• M65: 27,556,377 km (0.079 R)
• M66: 27,953,409 km (0.061 R)
• M67: 28,409,533 km (0.092 R)
• M68: 28,581,272 km (0.084 R)
• M69: 29,734,821 km (0.067 R)
• M70: 30,492,684 km (0.091 R)
• M71: 31,316,070 km (0.059 R)
• M72: 34,437,729 km (0.099 R)
• M73: 34,987,950 km (0.069 R)
• M74: 35,418,044 km (0.064 R)
• M75: 36,656,265 km (0.041 R)
• M76: 36,968,177 km (0.098 R)
• M77: 37,908,848 km (0.114 R)
• M78: 40,391,275 km (0.051 R)
• M79: 40,713,360 km (0.059 R)
• M80: 40,907,089 km (0.1 R)
• M81: 42,729,191 km (0.097 R)
• M82: 43,452,198 km (0.066 R)
• M83: 44,113,121 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.6

Radius: 4.9

Gravity: 29.1 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.64 AU - 9.2 AU

Year: 13050 Days

Day: 15.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 57,618,268 km

• M1: 87,664 km (0.108 R)
• M2: 199,863 km (0.091 R)
• M3: 375,042 km (0.105 R)
• M4: 504,294 km (0.118 R)
• M5: 685,308 km (0.09 R)
• M6: 906,862 km (0.079 R)
• M7: 992,881 km (0.06 R)
• M8: 1,081,593 km (0.109 R)
• M9: 1,290,730 km (0.12 R)
• M10: 1,412,503 km (0.026 R)
• M11: 1,640,939 km (0.045 R)
• M12: 2,132,218 km (0.106 R)
• M13: 2,915,962 km (0.116 R)
• M14: 4,024,332 km (0.065 R)
• M15: 4,202,503 km (0.11 R)
• M16: 6,000,221 km (0.03 R)
• M17: 6,327,092 km (0.06 R)
• M18: 6,743,872 km (0.105 R)
• M19: 6,870,581 km (0.091 R)
• M20: 6,913,067 km (0.117 R)
• M21: 7,957,260 km (0.105 R)
• M22: 8,180,909 km (0.046 R)
• M23: 8,270,967 km (0.075 R)
• M24: 9,236,322 km (0.054 R)
• M25: 9,377,094 km (0.112 R)
• M26: 9,471,340 km (0.094 R)
• M27: 9,518,613 km (0.032 R)
• M28: 9,565,886 km (0.084 R)
• M29: 9,899,340 km (0.103 R)
• M30: 10,043,552 km (0.088 R)
• M31: 11,121,255 km (0.095 R)
• M32: 11,221,037 km (0.097 R)
• M33: 11,271,003 km (0.116 R)
• M34: 12,441,606 km (0.118 R)
• M35: 13,120,032 km (0.082 R)
• M36: 13,225,499 km (0.108 R)
• M37: 14,349,727 km (0.103 R)
• M38: 14,731,202 km (0.092 R)
• M39: 15,116,117 km (0.106 R)
• M40: 16,802,534 km (0.068 R)
• M41: 18,252,885 km (0.063 R)
• M42: 19,803,168 km (0.101 R)
• M43: 20,106,103 km (0.07 R)
• M44: 21,085,670 km (0.03 R)
• M45: 21,643,670 km (0.091 R)
• M46: 22,647,322 km (0.03 R)
• M47: 23,346,244 km (0.097 R)
• M48: 24,310,552 km (0.102 R)
• M49: 24,505,029 km (0.074 R)
• M50: 26,078,948 km (0.062 R)
• M51: 27,752,799 km (0.052 R)
• M52: 28,159,705 km (0.102 R)
• M53: 28,636,922 km (0.095 R)
• M54: 29,116,832 km (0.109 R)
• M55: 31,414,655 km (0.039 R)
• M56: 32,264,670 km (0.118 R)
• M57: 32,549,654 km (0.108 R)
• M58: 32,621,012 km (0.061 R)
• M59: 32,692,371 km (0.104 R)
• M60: 34,567,730 km (0.116 R)
• M61: 35,078,606 km (0.048 R)
• M62: 35,665,479 km (0.084 R)
• M63: 36,923,298 km (0.059 R)
• M64: 37,296,096 km (0.114 R)
• M65: 37,520,343 km (0.095 R)
• M66: 37,595,142 km (0.053 R)
• M67: 38,875,101 km (0.084 R)
• M68: 39,254,332 km (0.116 R)
• M69: 40,937,158 km (0.088 R)
• M70: 41,091,244 km (0.109 R)
• M71: 41,400,164 km (0.107 R)
• M72: 41,864,964 km (0.082 R)
• M73: 43,112,760 km (0.101 R)
• M74: 43,741,221 km (0.072 R)
• M75: 44,056,573 km (0.044 R)
• M76: 44,927,831 km (0.094 R)
• M77: 46,044,729 km (0.062 R)
• M78: 46,285,282 km (0.104 R)
• M79: 46,687,102 km (0.099 R)
• M80: 46,928,852 km (0.085 R)
• M81: 48,062,056 km (0.028 R)
• M82: 48,143,288 km (0.113 R)
• M83: 48,224,669 km (0.089 R)
• M84: 48,632,024 km (0.119 R)
• M85: 48,877,065 km (0.11 R)
• M86: 49,778,691 km (0.107 R)
• M87: 50,190,385 km (0.069 R)
• M88: 50,355,391 km (0.081 R)
• M89: 51,432,197 km (0.108 R)
• M90: 53,019,580 km (0.032 R)
• M91: 53,187,728 km (0.112 R)
• M92: 54,368,803 km (0.11 R)
• M93: 55,729,396 km (0.068 R)
• M94: 56,156,797 km (0.079 R)
• M95: 56,499,525 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 19,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit