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Location: Rock Island IL
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Time: 18:20:46
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OSIRIS-REx Flyby

On September 22 2017, the interplanetary probe OSIRIS-REx will fly past the Earth. The Earth will give it a "gravity assist" and put it on a trajectory to reach the asteroid Bennu. If you know where to look and live in the right part of the world, you will have a chance to see it through binoculars or a telescope.

Click on a table row to load a finder chart corresponding to that time, or alternatively, you can go straight to a finder chart for a time near closest approach by clicking here.

Flyby data
Time of closest approachSep 22, 11:51:45
Distance of closest approach23,596 km
Speed at closest approach8.520 km/s
Speed at infinity (rel. to Earth)6.229 km/s

Position Table (click on a row of the table to load a finder chart)

Time Distance (km) Brightness Altitude Azimuth Right ascension Declination Constellation Sun altitude
Sep 22, 06:00:00147,26013.22.5°251.0°0h 1.8m-12° 32'Cetus-10.1°
Sep 22, 06:30:00136,25113.0-4.0°255.5°23h 59.6m-13° 36'Cetus-4.6°
Sep 22, 07:00:00125,25112.8-10.8°259.8°23h 57.1m-14° 51'Cetus1.0°
Sep 22, 07:30:00114,25112.6-17.9°263.8°23h 54.3m-16° 20'Aquarius6.6°
Sep 22, 08:00:00103,24712.4-25.2°267.7°23h 51.0m-18° 9'Aquarius12.2°
Sep 22, 08:30:0092,24212.2-33.0°271.2°23h 47.0m-20° 23'Aquarius17.7°
Sep 22, 09:00:0081,24911.9-41.2°274.4°23h 41.9m-23° 15'Aquarius23.0°
Sep 22, 09:30:0070,30311.7-50.2°276.8°23h 35.2m-27° 0'Sculptor28.0°
Sep 22, 10:00:0059,48411.3-60.3°277.0°23h 25.3m-32° 7'Sculptor32.8°
Sep 22, 10:30:0048,96711.0-71.7°268.8°23h 9.2m-39° 27'Grus37.2°
Sep 22, 11:00:0039,15610.6-79.6°210.5°22h 36.6m-50° 19'Grus41.1°
Sep 22, 11:30:0031,00410.3-62.8°158.6°20h 59.1m-65° 21'Pavo44.3°
Sep 22, 12:00:0026,55910.3-31.4°154.0°15h 53.2m-66° 53'Triangulum Australe46.7°
Sep 22, 12:30:0028,11411.02.3°159.2°13h 28.6m-42° 11'Centaurus48.2°
Sep 22, 13:00:0034,94212.226.7°169.2°12h 45.5m-20° 57'Corvus48.5°
Sep 22, 13:30:0044,56613.640.8°182.9°12h 25.3m-7° 36'Virgo47.8°
Sep 22, 14:00:0055,45815.347.6°199.0°12h 13.3m0° 46'Virgo46.0°
Sep 22, 14:30:0066,95515.049.5°215.4°12h 5.5m6° 18'Virgo43.3°
Sep 22, 15:00:0078,76914.848.3°230.0°11h 59.9m10° 10'Virgo39.8°
Sep 22, 15:30:0090,76414.945.2°242.1°11h 55.8m13° 1'Leo35.7°
Sep 22, 16:00:00102,86915.041.0°251.9°11h 52.7m15° 10'Leo31.1°
Sep 22, 16:30:00115,04315.136.3°260.1°11h 50.4m16° 52'Leo26.2°
Sep 22, 17:00:00127,25815.231.2°267.1°11h 48.6m18° 14'Leo21.0°
Sep 22, 17:30:00139,49615.426.0°273.4°11h 47.2m19° 21'Leo15.7°
Sep 22, 18:00:00151,74315.520.8°279.0°11h 46.1m20° 17'Leo10.2°
 

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