NEODyS-2
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NEODyS ∴ Objects ∴ 2009SY ∴ Observational info
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2009SY
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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
7680
days
Unobserved
371
days
Astrometry summary
Optical
RMS of residuals
0.719760
First observation
2002-09-13.45566
Last observation
2023-09-23.25030
Number (Discarded)
63 (1)
Get the observational details
Optical observations
(ASCII file)
Note.
The ASCII file is in a format suitable for
OrbFit
input.