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117555 (2005 EP13)
Classification: Main-belt Asteroid          SPK-ID: 2117555
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03944248501825521 5.7995e-08  
a 2.918962151821523 2.2226e-08 au
q 2.803831030879449 1.7025e-07 au
i 3.073475923408616 5.4158e-06 deg
node 118.1854925303026 0.00011999 deg
peri 111.8179569224277 0.00015498 deg
M 319.9466463558209 9.9004e-05 deg
tp 2459203.164418538086
(2020-Dec-19.66441854)		 0.00050084 TDB
period 1821.550108434273
4.99		 2.0805e-05
5.696e-08		 d
yr
n .1976338714664516 2.2573e-09 deg/d
Q 3.034093272763598 2.3103e-08 au
   Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      7376 days (20.19 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:17:52  

Additional Information
 Earth MOID = 1.79475 au 
 Jupiter MOID = 1.94113 au 
 T_jup = 3.277 
[ 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 15.0   n/a MPO432680  
diameter diameter 3.168 km 0.685 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117555 (2005 EP13)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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