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2004ER21  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11 days
Unobserved 7308 days

 

Astrometry summary
Optical
RMS of residuals 0.503040
First observation 2004-03-15.28742
Last observation 2004-03-25.95346
Number (Discarded) 71 (1)

 

Get the observational details
Optical observations (ASCII file)

 

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