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2021BS3
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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
4010
days
Unobserved
518
days
Astrometry summary
Optical
RMS of residuals
0.712297
First observation
2012-01-28.516602
Last observation
2023-01-20.255265
Number (Discarded)
143 (0)
Get the observational details
Optical observations
(ASCII file)
Note.
The ASCII file is in a format suitable for
OrbFit
input.