NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001CB21 ∴ Observational info
Contact »
(138971) 2001CB21  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 8407 days
Unobserved 49 days

 

Astrometry summary
Optical
RMS of residuals 0.453400
First observation 2001-02-02.47394
Last observation 2024-02-09.373366
Number (Discarded) 2071 (14)
Radar
First observation 2006-10-02
Last observation 2006-10-02
Delay (Discarded) 1 (0)
Doppler (Discarded) 1 (0)
Total (Discarded) 2 (0)

 

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

 

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