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10348 Poelchau (1992 HL4)
Classification: Main-belt Asteroid          SPK-ID: 2010348
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13983922532569 3.7513e-08  
a 2.28889705927872 8.4549e-09 au
q 1.968819467658934 8.7822e-08 au
i 8.202266155039158 4.4937e-06 deg
node 24.0096747272862 2.6549e-05 deg
peri 208.1979050921039 3.2075e-05 deg
M 268.9662425788895 2.0681e-05 deg
tp 2458920.343689471305
(2020-Mar-11.84368947)
7.3516e-05 TDB
period 1264.846486309795
3.46
7.0083e-06
1.919e-08
d
yr
n .2846195201524449 1.577e-09 deg/d
Q 2.608974650898506 9.6372e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1918  
   data-arc span      14475 days (39.63 yr)  
   first obs. used      1979-09-20  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:48:25  

Additional Information
 Earth MOID = .963018 au 
 Jupiter MOID = 2.38775 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO358731  
diameter diameter 4.902 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.31 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.321   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

10348 Poelchau           Discovered 1992 Apr. 29 by F. Borngen at Tautenburg.
As a chaplain at the penitentiaries of Tegel, Plötzensee and Brandenburg-Görden in Berlin during 1933-1945, protestant theologian Harald Poelchau (1903-1972) comforted more than a thousand people condemned to death by the nazi regime.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1992 HL4 = 1979 SS13 = 1983 VS2 = 1993 TP44 = 2016 FO6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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