AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001NT21 ∴ Observational info
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(108664) 2001NT21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9206.81 days
Unobserved 67 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1998-12-14.443
Last observation 2024-02-28.249
Number (Discarded) 1558 (8)

 

Get the observational details
ASCII file

 

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