Good conditions, though some thin fog near the end of the night. Regarding the unknown [99592/21607A] seen yesterday, Mike McCants reported off-list that these observations correlate strongly with the orbit of object P 76-5 [08860/76047A], though running about 103 seconds early. As the elements of this satellites are recent, the observations can not be of P 76-5 itself, but instead may be related to an as-yet uncatalogued piece of debris of this satellite. An unknown [99593/21607B] was seen. A circular orbit indicates 570 km altitude at 70 degrees. There is a small possibility that this may have been an airplane. If it is not, it is not clear to me what this could be. OPTSAT 3000 [42900/17044A] was recovered. It was last seen 216 days ago. 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88 056B 4171 G 20210418030836645 17 25 2214043+411610 37 S ------------------------------------------------------------------ Setup: 2x(Watec 902H2 video, 50mm F/1.8, fixed mount, NTP timing) IOD format: http://www.satobs.org/position/IODformat.html ------------------------------------------------------------------ Regards, Cees _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Sun Apr 18 2021 - 03:45:05 UTC
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