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17396 (1981 EK45)
Classification: Main-belt Asteroid          SPK-ID: 2017396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118729292610927 4.9836e-08  
a 2.352704154154008 9.8334e-09 au
q 2.073369254208513 1.1887e-07 au
i 6.462905945869276 5.3959e-06 deg
node 332.501302764946 3.2224e-05 deg
peri 6.37233870127816 3.5869e-05 deg
M 47.8318813684307 1.6037e-05 deg
tp 2458425.368459294321
(2018-Nov-02.86845929)
5.8355e-05 TDB
period 1318.103174082047
3.61
8.2637e-06
2.262e-08
d
yr
n .2731197428840963 1.7123e-09 deg/d
Q 2.632039054099503 1.1001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      25200 days (68.99 yr)  
   first obs. used      1950-12-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:19:40  

Additional Information
 Earth MOID = 1.06341 au 
 Jupiter MOID = 2.71554 au 
 T_jup = 3.538 
[ 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 15.5   n/a MPO263502  
diameter diameter 2.411 km 0.464 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17396 (1981 EK45)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EK45 = 1995 BV10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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