743 Eugenisis

743 Eugenisis is a minor planet orbiting the Sun that was discovered by German astronomer Franz Kaiser in 1913.

743 Eugenisis
Discovery
Discovered byFranz Kaiser
Discovery siteHeidelberg
Discovery date25 February 1913
Designations
(743) Eugenisis
Pronunciation/juːˈɛnɪsɪs/[1]
1913 QV
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc103.14 yr (37,671 d)
Aphelion2.9573 AU (442.41 Gm)
Perihelion2.6303 AU (393.49 Gm)
2.7938 AU (417.95 Gm)
Eccentricity0.058524
4.67 yr (1,705.7 d)
148.01°
0° 12m 39.816s / day
Inclination4.8324°
228.976°
187.320°
Earth MOID1.64027 AU (245.381 Gm)
Jupiter MOID2.27777 AU (340.750 Gm)
TJupiter3.320
Physical characteristics
Mean radius
26.585±0.55 km
10.23 h (0.426 d)
10.23 ± 0.01[3] h
0.0625±0.003
10.3

    Photometric observations of this asteroid collected during 2004 show a rotation period of 10.23 ± 0.01 hours with a brightness variation of 0.20 ± 0.02 magnitude.[3] The spectrum of this object matches the Ch class in the SMASS taxonomy, indicating a carbonaceous surface with a hydrous component.[4]

    References

    1. "eugenesis". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
    2. "743 Eugenisis (1913 QV)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
    3. Stephens, Robert D. (June 2005), "Rotational periods of 743 Eugenisis, 995 Sternberga, 1185 Nikko 2892 Filipenko, 3144 Brosche, and 3220 Murayama", The Minor Planet Bulletin, 32 (2): 27–28, Bibcode:2005MPBu...32...27S.
    4. Bus, Schelte J.; Binzel, Richard P. (July 2002), "Phase II of the Small Main-Belt Asteroid Spectroscopic Survey. A Feature-Based Taxonomy", Icarus, 158 (1): 146–177, Bibcode:2002Icar..158..146B, doi:10.1006/icar.2002.6856.


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