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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03944248501209513 5.7995e-08  
a 2.918962151719406 2.2268e-08 au
q 2.803831030799341 1.7025e-07 au
i 3.073475850672974 5.4246e-06 deg
node 118.1854922538314 0.00012 deg
peri 111.8179570831452 0.00015501 deg
M 319.9466464950804 9.906e-05 deg
tp 2459203.164417822817
(2020-Dec-19.66441782)
0.00050113 TDB
period 1821.550108338686
4.99
2.0845e-05
5.707e-08
d
yr
n .1976338714768226 2.2616e-09 deg/d
Q 3.034093272639472 2.3147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      7346 days (20.11 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:13:12  

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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