33 Polyhymnia

33 Polyhymnia
Orbit of 33 Polyhymnia (1 Jan 2009)
Discovery[1]
Discovered byJ. Chacornac
Discovery dateOctober 28, 1854
Designations
(33) Polyhymnia
Pronunciation/pɒliˈhɪmniə/[2]
Named after
Polyhymnia
A887 HA; 1938 FE;
1953 AK; 1957 YL;
1963 DG; 1976 YT7
Main belt
Orbital characteristics[3]
Epoch April 18, 2013 (JD 2456400.5)
Aphelion573.518 Gm (3.83373 AU)
Perihelion284.409 Gm (1.90116 AU)
428.964 Gm (2.86745 AU)
Eccentricity0.33698
1,773.541 d (4.86 a)
256.476°
Inclination1.869°
8.595°
338.123°
Physical characteristics
Dimensions54.39±11.84 km (infrared)[4]
53.98±0.91 km[5]
64±6 km (occultation)[6]
18.60888±0.00029 h[7]
S[3] or Sq[8]
8.55[3]

33 Polyhymnia is a main belt asteroid that was discovered by French astronomer Jean Chacornac on October 28, 1854[1] and named after Polyhymnia, the Greek Muse of sacred hymns.

  1. ^ a b Cite error: The named reference IAU_MPC was invoked but never defined (see the help page).
  2. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  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 Nugent2016 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Carry2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Broughton2018-diameters was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Franco2020 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Bus2002 was invoked but never defined (see the help page).