Table 1: Orbital elements and physical parameters of comet 45P/Honda-Mrkos-Pajdusakova. $[Af\rho ]$ and r_n are taken from Lamy et al. (1999), q from Rocher (see: http://www.imcce.fr/en/ephemerides/donnees/comets/FICH/CIA0028.php), $Q_{\rm H_2O}(q)$ from A'Hearn et al. (1995), and f is computed from Crifo & Rodionov (1997, Appendix A, Eq. (9)), while s is assumed.
Symbol Name Value

T epoch (JD) 2 453 833.5

a semi-major axis 3.0227318819 AU

e excentricity 0.8245702722

i inclination 4.2533061566 $(^\circ)$

$\Omega$ Long. of Asc. Node 89.114123791 $(^\circ)$

$\omega$ arg. of perihelion 326.10832699 $(^\circ)$

r_n radius of nucleus 0.34 km

q perihelion distance $0.529~ {\rm AU}$

$[Af\rho ]$ $[Af\rho ]$ at 0.97 AU from the Sun $3.7 ~ {\rm cm}$

$Q_{\rm H_2O}$ gas production rate at perihelion $4.07~ \times$ $10^{27} \: {\rm mol. s^{-1}}$

f fraction of active area at perihelion 0.2

s diff. size population index 2.5

**Table 1:** Orbital elements and physical parameters of comet 45P/Honda-Mrkos-Pajdusakova. $[Af\rho ]$ and r_n are taken from Lamy et al. (1999), q from Rocher (see: http://www.imcce.fr/en/ephemerides/donnees/comets/FICH/CIA0028.php), $Q_{\rm H_2O}(q)$ from A'Hearn et al. (1995), and f is computed from Crifo & Rodionov (1997, Appendix A, Eq. (9)), while s is assumed.
Symbol	Name	Value
T	epoch (JD)	2 453 833.5
a	semi-major axis	3.0227318819 AU
e	excentricity	0.8245702722
i	inclination	4.2533061566 $(^\circ)$
$\Omega$	Long. of Asc. Node	89.114123791 $(^\circ)$
$\omega$	arg. of perihelion	326.10832699 $(^\circ)$
r_n	radius of nucleus	0.34 km
q	perihelion distance	$0.529~ {\rm AU}$
$[Af\rho ]$	$[Af\rho ]$ at 0.97 AU from the Sun	$3.7 ~ {\rm cm}$
$Q_{\rm H_2O}$	gas production rate at perihelion	$4.07~ \times$ $10^{27} \: {\rm mol. s^{-1}}$
f	fraction of active area at perihelion	0.2
s	diff. size population index	2.5

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