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JPL Small-Body Database Browser
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27864 Antongraff (1995 EA9)
Classification: Main-belt Asteroid          SPK-ID: 2027864
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448011495149366 3.6775e-08  
a 2.756108521961608 1.3963e-08 au
q 2.357020839793655 1.0168e-07 au
i 9.388596191410231 6.2525e-06 deg
node 349.1427074448617 2.378e-05 deg
peri 275.817617621251 3.336e-05 deg
M 22.45624164398783 2.2728e-05 deg
tp 2458496.249662418990
(2019-Jan-12.74966242)
0.00010565 TDB
period 1671.255685797776
4.58
1.27e-05
3.477e-08
d
yr
n .2154068961794757 1.6369e-09 deg/d
Q 3.155196204129562 1.5984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1570  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-02-24  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:08:52  

Additional Information
 Earth MOID = 1.36416 au 
 Jupiter MOID = 2.03427 au 
 T_jup = 3.309 
[ 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 13.7   n/a MPO351019  
diameter diameter 4.841 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.361   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27864 Antongraff           Discovered 1995 Mar. 5 by F. Borngen at Tautenburg.
Swiss Anton Graff (1736-1813), born in Winterthur, was a leading eighteenth-century portrait painter, teaching since 1766 at the Dresden Academy of Arts. He recorded many of the most famous of his contemporaries (Gellert, Lessing, Herder, Wieland and Schiller) and frequently also himself.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1995 EA9 = 1999 BQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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