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Location: Pensacola
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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, 06:00:00147,17713.23.2°254.0°0h 0.6m-12° 9'Cetus-8.9°
Sep 22, 06:30:00136,25413.0-4.0°257.2°23h 58.3m-13° 10'Cetus-2.4°
Sep 22, 07:00:00125,33112.8-11.5°260.1°23h 55.8m-14° 22'Aquarius4.0°
Sep 22, 07:30:00114,39812.6-19.2°262.7°23h 53.0m-15° 48'Aquarius10.5°
Sep 22, 08:00:00103,44612.4-27.1°264.9°23h 49.7m-17° 32'Aquarius16.9°
Sep 22, 08:30:0092,47312.2-35.4°266.6°23h 45.7m-19° 41'Aquarius23.2°
Sep 22, 09:00:0081,48711.9-44.0°267.4°23h 40.7m-22° 25'Aquarius29.4°
Sep 22, 09:30:0070,51311.7-53.0°266.4°23h 34.1m-26° 1'Sculptor35.4°
Sep 22, 10:00:0059,61911.3-62.6°260.9°23h 24.6m-30° 55'Sculptor41.1°
Sep 22, 10:30:0048,95611.0-71.5°240.7°23h 9.2m-37° 58'Grus46.5°
Sep 22, 11:00:0038,89110.6-71.5°191.4°22h 38.5m-48° 32'Grus51.2°
Sep 22, 11:30:0030,34010.2-53.4°162.0°21h 9.0m-63° 38'Pavo55.2°
Sep 22, 12:00:0025,44810.2-21.5°156.5°16h 6.7m-67° 3'Triangulum Australe58.1°
Sep 22, 12:30:0026,87110.914.0°160.7°13h 29.3m-41° 44'Centaurus59.5°
Sep 22, 13:00:0033,88512.139.2°171.9°12h 44.2m-19° 51'Corvus59.3°
Sep 22, 13:30:0043,75113.752.6°189.9°12h 23.4m-6° 26'Virgo57.5°
Sep 22, 14:00:0054,85715.357.3°211.8°12h 11.4m1° 48'Virgo54.3°
Sep 22, 14:30:0066,53814.956.3°231.6°12h 3.5m7° 12'Virgo50.1°
Sep 22, 15:00:0078,51614.852.2°246.4°11h 58.0m10° 57'Leo45.2°
Sep 22, 15:30:0090,66014.846.7°257.0°11h 54.0m13° 40'Leo39.7°
Sep 22, 16:00:00102,90514.940.6°264.7°11h 51.0m15° 45'Leo33.9°
Sep 22, 16:30:00115,21015.134.4°270.9°11h 48.8m17° 22'Leo27.9°
Sep 22, 17:00:00127,55115.228.1°276.0°11h 47.1m18° 40'Leo21.6°
Sep 22, 17:30:00139,90815.421.9°280.6°11h 45.8m19° 43'Leo15.3°
Sep 22, 18:00:00152,26615.515.7°284.9°11h 44.9m20° 36'Leo8.9°
 

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