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NEODyS ∴ Objects ∴ 1998YM4 ∴ Observational info
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(480822) 1998YM4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7063 days
Unobserved 2190 days

 

Astrometry summary
Optical
RMS of residuals 0.581579
First observation 1998-12-19.62087
Last observation 2018-04-21.19206
Number (Discarded) 228 (2)

 

Get the observational details
Optical observations (ASCII file)

 

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