Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A flyby anomaly for Juno? Not from standard physics   An empirical formula recently appeared in the literature to explain the
observed anomalies of about $\Delta\dot\rho\approx 1-10$ mm s$^{-1}$ in the
geocentric range-rates $\dot\rho$ of the Galileo, NEAR and Rosetta spacecraft
at some of their past perigee passages along unbound, hyperbolic trajectories.
It predicts an anomaly of the order of $6$ mm s$^{-1}$ for the recent flyby of
Juno, occurred on 9 October 2013. Data analyses to confirm or disproof it are
currently ongoing. We numerically calculate the impact on the geocentric Juno's
range rate of some classical and general relativistic dynamical effects which
are either unmodelled or mismodelled to a certain level in the software used to
process the data. They are: a) The first even zonal harmonic coefficient $J_2$
of the multipolar expansion of the terrestrial gravitational potential causing
orbital perturbations both at the $\left.{\rm a}^{'}\right)$ Newtonian ($J_2$)
and at the $\left. {\rm a}^{''}\right)$ first post-Newtonian level ($J_2
c^{-2}$) b) The post-Newtonian gravitoelectric (GE) Schwarschild-like component
of the Earth's gravitational field c) The post-Newtonian gravitomagnetic (GM)
Lense-Thirring effect. The magnitudes of their mismodeled and nominal
range-rate signatures are: $\left. {\rm a}^{'}\right)$
$\Delta\dot\rho_{\sigma_{J_2}} \approx 1$ $\mu$m s$^{-1}$ $\left. {\rm
a}^{''}\right)$ $\Delta\dot\rho_{J_2 c^{-2}} \approx 0.015$ $\mu$m s$^{-1}$ b)
$\Delta\dot\rho_{\rm GE} \approx 25$ $\mu$m s$^{-1}$ c) $\Delta\dot\rho_{\rm
GM} \approx 0.05$ $\mu$m s$^{-1}$. If a flyby anomaly as large as a few mm
s$^{-1}$ will be finally found also for Juno, it will not be due to any of
these standard gravitational effects. (Abridged)

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The categories of this paper are: plasm-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: chem-ph
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The categories of this paper are: math
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The categories of this paper are: econ
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The categories of this paper are: ao-sci
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ex
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: cond-mat
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The categories of this paper are: patt-sol
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The categories of this paper are: q-fin
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The categories of this paper are: hep-lat
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The categories of this paper are: math-ph
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The categories of this paper are: eess