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AstDyS ∴ Objects ∴ 1998XY57 ∴ Observational info
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(74395) 1998XY57  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8970.95 days
Unobserved 296 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1998-12-15.377
Last observation 2023-07-08.331
Number (Discarded) 1077 (4)

 

Get the observational details
ASCII file

 

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