1985 Hopmann

1985 Hopmann
Shape of Hopmann modeled from its lightcurve
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date13 January 1929
Designations
(1985) Hopmann
Named after
Josef Hopmann
(German astronomer)[2]
1929 AE · 1951 CA2
1951 CP · 1952 KE
1964 PJ · 1973 AA4
main-belt · (outer)[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc88.16 yr (32,201 days)
Aphelion3.6021 AU
Perihelion2.6408 AU
3.1214 AU
Eccentricity0.1540
5.51 yr (2,014 days)
334.27°
0° 10m 43.32s / day
Inclination17.159°
305.15°
234.25°
Physical characteristics
35.47 km (derived)[3]
35.51±3.1 km (IRAS:6)[1]
44.33±3.53 km[4]
17.476±0.003 h[5]
17.478±0.004 h[6]
17.4787±0.0001 h[7]
17.480±0.002 h[8]
0.039±0.007 (IRAS:6)[4]
0.0613 (derived)[3]
C[3]
10.75±0.19[9] · 10.9[1][3] · 10.91[4]

1985 Hopmann (prov. designation: 1929 AE) is a dark background asteroid in the outer regions of the asteroid belt. It was discovered on 13 January 1929, by astronomer Karl Reinmuth at Landessternwarte Heidelberg-Königstuhl in southern Germany.[10] The asteroid has a rotation period of 17.5 hours and measures approximately 36 kilometers (22 miles) in diameter. It was later named after German astronomer Josef Hopmann (1890–1975).[2]

  1. ^ a b c d Cite error: The named reference jpldata 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 Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Aymami-2012b was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Moravec-2012 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Durech-2016 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Stephens-2012d was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference MPC-Hopmann was invoked but never defined (see the help page).

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