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7789 Kwiatkowski (1994 XE6)
Classification: Main-belt Asteroid          SPK-ID: 2007789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624885043093161 2.9192e-08  
a 2.298145581358258 6.3885e-09 au
q 1.924723343158291 6.8092e-08 au
i 4.796800435606309 3.7531e-06 deg
node 304.8408285823464 3.528e-05 deg
peri 61.16987127586638 3.7003e-05 deg
M 148.747963207518 1.2053e-05 deg
tp 2458474.708865948921
(2018-Dec-22.20886595)
4.1953e-05 TDB
period 1272.52033692937
3.48
5.3061e-06
1.453e-08
d
yr
n .282903140761342 1.1796e-09 deg/d
Q 2.671567819558225 7.4265e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      11878 days (32.52 yr)  
   first obs. used      1987-11-12  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:25:36  

Additional Information
 Earth MOID = .928153 au 
 Jupiter MOID = 2.80491 au 
 T_jup = 3.571 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO347588  
diameter diameter 3.755 km 0.573 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.301   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

7789 Kwiatkowski           Discovered 1994 Dec. 2 by E. Bowell at Palomar.
Named in honor of Tomasz Kwiatkowski, Polish astronomer at the Astronomical Observatory of Adam Mickiewicz University in Poznan. Kwiatkowski specializes in detailed photometric observations of minor planets and the computation of shape and pole orientations from lightcurves. Name suggested by H. Rickman, citation provided by A. W. Harris.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1994 XE6 = 1987 VL1 = 1989 EJ12 = 1992 CH8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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