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(144411) 2004EW9  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 8330 days
Unobserved 138 days

 

Astrometry summary
Optical
RMS of residuals 0.374659
First observation 2001-03-14.30078
Last observation 2024-01-03.332379
Number (Discarded) 2498 (11)
Radar
First observation 2012-07-11
Last observation 2020-06-27
Delay (Discarded) 7 (0)
Doppler (Discarded) 1 (0)
Total (Discarded) 8 (0)

 

Get the observational details
Optical observations (ASCII file)
Radar observations

 

Note. The ASCII file is in a format suitable for OrbFit input.