618 Elfriede

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618 Elfriede
Discovery
Discovered by K. Lohnert
Discovery site Heidelberg
Discovery date 17 October 1906
Designations
1906 VZ
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 109.50 yr (39996 d)
Aphelion 3.4223 AU (511.97 Gm)
Perihelion 2.9551 AU (442.08 Gm)
3.1887 AU (477.02 Gm)
Eccentricity 0.073271
5.69 yr (2079.8 d)
142.019°
0° 10m 23.124s / day
Inclination 17.037°
111.070°
228.138°
Earth MOID 1.96828 AU (294.450 Gm)
Jupiter MOID 1.88412 AU (281.860 Gm)
Jupiter Tisserand parameter 3.125
Physical characteristics
Mean radius
60.145±2.5 km
14.795 h (0.6165 d)
0.0606±0.005
8.3

618 Elfriede is a minor planet orbiting the Sun. On July 24, 2013, it occulted the magnitude 12.8 star 2UCAC 23949304, over parts of Mexico and southwestern United States.[2]

Photometric observations of this asteroid collected during 2008 show a rotation period of 14.85 ± 0.01 hours with a brightness variation of 0.12 ± 0.02 magnitude.[3]

References[edit]

  1. ^ "618 Elfriede (1906 VZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016. 
  2. ^ Asteroid Occultation - (618) Elfriede
  3. ^ Carbo, Landy; et al. (July 2009), "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory and Oakley Observatory: 2008 September and October", The Minor Planet Bulletin, 36 (3): 91–94, Bibcode:2009MPBu...36...91C. 

External links[edit]