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2020HJ4
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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
3545
days
Unobserved
285
days
Astrometry summary
Optical
RMS of residuals
0.618055
First observation
2014-04-04.472493
Last observation
2023-12-18.11759
Number (Discarded)
83 (1)
Get the observational details
Optical observations
(ASCII file)
Note.
The ASCII file is in a format suitable for
OrbFit
input.