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4510 Shawna (1930 XK)
Classification: Main-belt Asteroid          SPK-ID: 2004510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391619448130927 3.1347e-08  
a 2.360730131937393 6.1647e-09 au
q 2.032206335598117 7.5772e-08 au
i 7.044594826484035 3.2854e-06 deg
node 3.426688075731686 2.5594e-05 deg
peri 338.361117308992 2.7713e-05 deg
M 312.0101611041468 1.085e-05 deg
tp 2459177.109773304494
(2020-Nov-23.60977330)
4.0049e-05 TDB
period 1324.85375763809
3.63
5.1895e-06
1.421e-08
d
yr
n .2717281042715216 1.0644e-09 deg/d
Q 2.68925392827667 7.0226e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2673  
   data-arc span      32791 days (89.78 yr)  
   first obs. used      1930-12-13  
   last obs. used      2020-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:52:59  

Additional Information
 Earth MOID = 1.02637 au 
 Jupiter MOID = 2.70428 au 
 T_jup = 3.528 
[ 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 12.9   n/a MPO384793  
diameter diameter 6.821 km 0.487 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.316   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4510 Shawna (1930 XK)          Discovered 1930-Dec-13 by Tombaugh, C. W. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 XK = 1966 UC1 = 1977 TY3 = 1987 MJ1 = 1988 VP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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