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2020WJ4
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OBSERVATIONAL INFORMATION
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Summary
Ephemerides
Obs prediction
Orbital info
MOID
Proper elements
Observational info
Physical info
Arc information
Arc length
3104
days
Unobserved
1261
days
Astrometry summary
Optical
RMS of residuals
0.520565
First observation
2012-10-10.353583
Last observation
2021-04-10.290156
Number (Discarded)
145 (0)
Get the observational details
Optical observations
(ASCII file)
Note.
The ASCII file is in a format suitable for
OrbFit
input.