891 Gunhild

891 Gunhild
Modelled shape of Gunhild from its lightcurve
Discovery [1]
Discovered byM. F. Wolf
Discovery siteHeidelberg Obs.
Discovery date17 May 1918
Designations
(891) Gunhild
Named after
unknown [2]
A918 KB · 1977 FH
1999 CF154 · A915 VE
1918 DQ · 1915 VE
main-belt [1][3] · (outer)
background [4][5]
Orbital characteristics [3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc101.70 yr (37,145 d)
Aphelion2.9444 AU
Perihelion2.7799 AU
2.8622 AU
Eccentricity0.0287
4.84 yr (1,769 d)
232.57°
0° 12m 12.6s / day
Inclination13.559°
105.85°
292.38°
Physical characteristics
  • 51.95±5.6 km[6]
  • 55.747±0.321 km[7]
  • 63.80±0.67 km[8]
11.892±0.001 h[9]
  • 0.049±0.001[8]
  • 0.057±0.019[7]
  • 0.0718±0.018[6]
10.0[1][3]

891 Gunhild (prov. designation: A918 KB or 1918 DQ) is a large background asteroid from the outer regions of the asteroid belt, that measures approximately 58 kilometers (36 miles) in diameter. It was discovered on 17 May 1918, by astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory in southwest Germany.[1] The dark D-type asteroid has a rotation period of 11.9 hours. Any reference of the asteroid's name to a person is unknown.[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 Cite error: The named reference jpldata was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Garceran-2016 was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference Lazzaro-2004 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference SDSS-Taxonomy was invoked but never defined (see the help page).