746 Marlu

746 Marlu
Modelled shape of Marlu from its lightcurve
Discovery [1]
Discovered byF. Kaiser
Discovery siteHeidelberg Obs.
Discovery date1 March 1913
Designations
(746) Marlu
Named after
Marie-Louise Kaiser
(Discoverer's daughter)[2]
A913 EJ · 1926 WA
1975 XN · 1913 QY
Orbital characteristics [3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc104.37 yr (38,122 d)
Aphelion3.8461 AU
Perihelion2.3728 AU
3.1094 AU
Eccentricity0.2369
5.48 yr (2,003 d)
60.352°
0° 10m 47.28s / day
Inclination17.480°
1.9385°
306.79°
Physical characteristics
Dimensions72.0 km × 65.0 km[5]
  • 69.75±4.0 km[6]
  • 71.55±1.41 km[7]
  • 74.274±1.122 km[8]
7.787 h[9][10]
  • (202.0°, −66.0°) (λ1/β1)[5]
  • (64.0°, −27.0°) (λ2/β2)[5]
  • 0.032±0.007[8]
  • 0.036±0.002[7]
  • 0.0363±0.005[6]

746 Marlu (prov. designation: A913 EJ or 1913 QY) is a dark and large background asteroid from the outer regions of the asteroid belt, approximately 72 kilometers (45 miles) in diameter. It was discovered on 1 March 1913, by German astronomer Franz Kaiser at the Heidelberg Observatory in southwest Germany.[1] The primitive P-type asteroid has a rotation period of 7.8 hours. It was named after the discoverer's daughter, Marie-Louise Kaiser.[2]

  1. ^ a b c d Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
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  5. ^ a b c d Cite error: The named reference Ferret was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference Mainzer-2016 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Harris-1992 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Klinglesmith-2015b was invoked but never defined (see the help page).
  11. ^ a b Cite error: The named reference Lazzaro-2004 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference SDSS-Taxonomy was invoked but never defined (see the help page).