19139 Apian

19139 Apian
Discovery[1]
Discovered byF. Börngen
Discovery siteKarl Schwarzschild Obs.
Discovery date6 April 1989
Designations
(19139) Apian
Named after
Petrus Apianus[2][3]
(German humanist)
1989 GJ8 · 1999 XP18
main-belt · (middle)
background[4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc28.09 yr (10,261 days)
Aphelion2.7824 AU
Perihelion2.3841 AU
2.5832 AU
Eccentricity0.0771
4.15 yr (1,516 days)
105.06°
0° 14m 14.64s / day
Inclination8.0241°
48.222°
336.68°
Physical characteristics
Dimensions5.643±0.089 km[5]
0.265±0.039[5]
13.5[1]

19139 Apian (provisional designation 1989 GJ8) is a bright background asteroid from the central regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 6 April 1989, by German astronomer Freimut Börngen at the Karl Schwarzschild Observatory in Tautenburg, Eastern Germany. The asteroid was named for medieval German humanist Petrus Apianus.[2][3]

  1. ^ a b c 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 Cite error: The named reference MPC-object 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. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).