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Location: Alphen aan den Rijn
(52.1277°N, 4.6689°E)
Time: 10:56:37


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, 18:51:45
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, 13:00:00152,45313.2-49.2°343.4°0h 8.0m-12° 25'Cetus37.5°
Sep 22, 13:30:00140,87113.1-51.2°354.7°0h 7.4m-13° 29'Cetus38.0°
Sep 22, 14:00:00129,21212.9-52.4°6.8°0h 6.8m-14° 45'Cetus37.7°
Sep 22, 14:30:00117,48212.7-52.8°19.3°0h 6.0m-16° 17'Cetus36.7°
Sep 22, 15:00:00105,69112.5-52.6°32.0°0h 4.9m-18° 11'Cetus34.9°
Sep 22, 15:30:0093,85812.2-51.8°44.6°0h 3.6m-20° 33'Cetus32.6°
Sep 22, 16:00:0082,01812.0-50.6°57.3°0h 1.7m-23° 38'Cetus29.7°
Sep 22, 16:30:0070,23511.7-49.3°70.4°23h 58.8m-27° 46'Sculptor26.3°
Sep 22, 17:00:0058,63311.3-48.3°84.7°23h 54.3m-33° 35'Sculptor22.5°
Sep 22, 17:30:0047,47910.9-48.0°101.9°23h 46.2m-42° 15'Phoenix18.5°
Sep 22, 18:00:0037,38110.5-48.2°125.6°23h 27.3m-55° 52'Phoenix14.2°
Sep 22, 18:30:0029,77210.2-46.8°161.1°21h 50.3m-76° 45'Octans9.8°
Sep 22, 19:00:0027,23510.5-37.8°204.1°13h 27.8m-67° 52'Musca5.2°
Sep 22, 19:30:0031,19011.4-24.9°237.5°12h 32.2m-39° 7'Centaurus0.6°
Sep 22, 20:00:0039,59112.6-16.8°259.2°12h 16.1m-19° 37'Corvus-4.0°
Sep 22, 20:30:0050,05214.1-13.3°274.5°12h 8.1m-7° 41'Virgo-8.5°
Sep 22, 21:00:0061,38817.0-12.5°286.3°12h 3.3m-0° 3'Virgo-13.0°
Sep 22, 21:30:0073,10215.4-13.0°296.3°12h 0.2m5° 8'Virgo-17.3°
Sep 22, 22:00:0084,97415.2-14.1°305.3°11h 58.0m8° 53'Virgo-21.4°
Sep 22, 22:30:0096,89815.1-15.3°313.8°11h 56.5m11° 42'Leo-25.3°
Sep 22, 23:00:00108,81915.2-16.6°321.9°11h 55.3m13° 54'Leo-28.7°
Sep 22, 23:30:00120,70615.3-17.6°329.9°11h 54.5m15° 40'Leo-31.8°
Sep 23, 00:00:00132,54115.4-18.2°337.8°11h 53.8m17° 7'Leo-34.3°
Sep 23, 00:30:00144,31315.5-18.5°345.6°11h 53.3m18° 21'Leo-36.2°
Sep 23, 01:00:00156,01615.6-18.3°353.2°11h 52.9m19° 23'Leo-37.4°