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NEODyS ∴ Objects ∴ 2004ET21 ∴ Observational info
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2004ET21
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OBSERVATIONAL INFORMATION
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Summary
Ephemerides
Obs prediction
Orbital info
MOID
Proper elements
Observational info
Close approaches
Physical info
Arc information
Arc length
2039
days
Unobserved
5308
days
Astrometry summary
Optical
RMS of residuals
0.574934
First observation
2004-03-15.38336
Last observation
2009-10-14.11510
Number (Discarded)
42 (0)
Get the observational details
Optical observations
(ASCII file)
Note.
The ASCII file is in a format suitable for
OrbFit
input.