4946 Askalaphus

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Askalaphus
Discovery
Discovered by Shoemaker, C. S.
Discovery site Palomar
Discovery date 21 January 1988
Designations
MPC designation 4946
1988 BW1
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 23825 days (65.23 yr)
Aphelion 5.5891 AU (836.12 Gm)
Perihelion 5.0500 AU (755.47 Gm)
5.3196 AU (795.80 Gm)
Eccentricity 0.050665
12.27 yr (4481.37 d)
316.92°
0° 4m 49.199s / day
Inclination 21.861°
59.038°
204.439°
Earth MOID 4.04367 AU (604.924 Gm)
Jupiter MOID 0.310922 AU (46.5133 Gm)
Jupiter Tisserand parameter 2.853
Physical characteristics
Dimensions 57 km[2]
22.731 h (0.9471 d)
10.1,[2] 10.1[1]

4946 Askalaphus (1988 BW1) is a Jupiter Trojan discovered on January 21, 1988 by Shoemaker, C. S. at Palomar.

Photometric observations of this asteroid during 1992 were used to build a light curve showing a rotation period of 22.731 ± 0.018 hours with a brightness variation of 0.40 ± 0.01 magnitude.[2]

References[edit]

  1. ^ a b "4946 Askalaphus (1988 BW1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016. 
  2. ^ a b c Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; Hahn, Gerhard; Schober, Hans-Josef; Lahulla, Felix; Delbò, Marco; Lagerkvist, Claes-Ingvar (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal. 141 (5): 170. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170. 

External links[edit]