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AstDyS ∴ Objects ∴ 2000HX21 ∴ Observational info
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(81543) 2000HX21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10333.9 days
Unobserved 294 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1995-03-24.271
Last observation 2023-07-09.166
Number (Discarded) 1628 (9)

 

Get the observational details
ASCII file

 

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