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This object named 2007 HA was discovered first on April 16, 2007 by the automatiy search system Lincoln Near Earth Asteroid Research (LINEAR).
The asteroid with a size of about 300 meters passed Earth on April 17, 2007 at 04h UTC (=06 MESZ) at a close distance of 2.5 million kilometers. This distance is equivalent to 0.017 astronomical units (AU). Thus the Asteroid flew far from the Earth-Moon system and there was no danger for our planet in this flyby during the year 2007.
But it is remarkable that this object could be discovered first only few hours before the Earth fly by.
The Ephemerides table was calculated with Minor Planet & Comets Ephemeris Service exactly for the position: 15.2360° East, 48.7871° North and 550m MSL.
Ephemerides- and visibility table 2007 HA
April 14 - April 28, 2007
The path of Asteroid 2007 HA from April 17 to April 19, 2007
Starmap created with Guide 8 from Bill J Gray.
| The observation of 2007 HA beside our house - Image (JPG-56kB) | |||||||
| 1 | 2007-04-17 | Asteroid path 21:00-22:00 UTC Image (JPG-22kB) | Time lapse video (60x) 21:06:09 - 21:49:23 UTC WAT-120N, single image It=2.56s MPEG-4 Video 2.6MB At 21:46:03 UTC very close to star GSC 3456 2007, +13.7mag | Equipment setup Diagram | |||
| 2 | 2007-04-17 | Asteroid path 22:00-23:00 UTC Image (JPG-36kB) | Time lapse video (60x) 21:50:38 - 23:04:07 UTC WAT-120N, single image It=2.56s MPEG-4 Video 2.6MB From 22:51:09 to 22:51:29 UTC pass of SL-4R/B, Norad #29669U in distance of 14436 km to Earth | Equipment setup Diagram | |||
| 3 | 2007-04-17 | Asteroid path 23:00-00:00 UTC Image (JPG-43kB) | Time lapse video (60x) 23:07:24 - 23:48:06 UTC WAT-120N, single image It=2.56s MPEG-4 Video 2.5MB Asteroid 2007 HA gets more faintly Some moving clouds and windy | Equipment setup Diagram | |||
19 April 2007 |
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