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(9950) ESA
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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
11848
days
Unobserved
347
days
Astrometry summary
Optical
RMS of residuals
0.475291
First observation
1990-11-08.79453
Last observation
2023-04-17.331990
Number (Discarded)
784 (5)
Get the observational details
Optical observations
(ASCII file)
Note.
The ASCII file is in a format suitable for
OrbFit
input.