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(21374) 1997WS22  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 18137 days
Unobserved 1 days

 

Astrometry summary
Optical
RMS of residuals 0.458514
First observation 1974-09-22.70006
Last observation 2024-05-19.88813
Number (Discarded) 1971 (7)
Radar
First observation 2014-05-07
Last observation 2014-05-07
Delay (Discarded) 1 (0)
Doppler (Discarded) 0 (0)
Total (Discarded) 1 (0)

 

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

 

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