Table 3: Orbital and physical characteristics of 21 Lutetia.
Semimajor axis (AU) 2.435

Eccentricity 0.164

Inclination (deg) 3.064

Taxonomic type C (or M)

Synodical rotation period (h) $8.17 \pm 0.01$

Absolute magnitude 7.294

Slope parameter 0.110

IRAS D (km) $95.5 \pm 4.1$

IRAS albedo $0.221 \pm 0.20$

Pole solution from radar observations (Magri et al. 1999):

$\lambda_1=228^{\circ}\pm11^{\circ}$ $\beta_1=+13^{\circ}\pm5^{\circ}$ $\lambda_2=48^{\circ}\pm11^{\circ}$ $\beta_2=+5^{\circ}\pm5^{\circ}$

Sense of rotation Prograde

$2a \times 2b \times 2c$ 130 $\times$ 104 $\times$ 74 km

Pole solution from lightcurve analysis (Torppa et al. 2003):

$\lambda_1=220^{\circ}\pm10^{\circ}$ $\beta_1=+3^{\circ}\pm10^{\circ}$ $\lambda_2=39^{\circ}\pm10^{\circ}$ $\beta_2=+3^{\circ}\pm10^{\circ}$

a/b=1.2; b/c=1.2

**Table 3:** Orbital and physical characteristics of 21 Lutetia.
Semimajor axis (AU)	2.435
Eccentricity	0.164
Inclination (deg)	3.064
Taxonomic type	C (or M)
Synodical rotation period (h)	$8.17 \pm 0.01$
Absolute magnitude	7.294
Slope parameter	0.110
IRAS D (km)	$95.5 \pm 4.1$
IRAS albedo	$0.221 \pm 0.20$
Pole solution from radar observations (Magri et al. 1999):
$\lambda_1=228^{\circ}\pm11^{\circ}$ $\beta_1=+13^{\circ}\pm5^{\circ}$	$\lambda_2=48^{\circ}\pm11^{\circ}$ $\beta_2=+5^{\circ}\pm5^{\circ}$
Sense of rotation	Prograde
$2a \times 2b \times 2c$	130 $\times$ 104 $\times$ 74 km
Pole solution from lightcurve analysis (Torppa et al. 2003):
$\lambda_1=220^{\circ}\pm10^{\circ}$ $\beta_1=+3^{\circ}\pm10^{\circ}$	$\lambda_2=39^{\circ}\pm10^{\circ}$ $\beta_2=+3^{\circ}\pm10^{\circ}$
a/b=1.2; b/c=1.2

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Data analysis and discussion
	4 Target selection and characterization
	5 Conclusions
	References