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AstDyS ∴ Objects ∴ 1998DR9 ∴ Observational info
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(100737) 1998DR9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9211.29 days
Unobserved 350 days

 

Astrometry summary
Optical
RMS of residuals 0.55
First observation 1998-02-23.008
Last observation 2023-05-14.294
Number (Discarded) 461 (4)

 

Get the observational details
ASCII file

 

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