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JPL Small-Body Database Browser
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17393 (1981 EA41)
Classification: Main-belt Asteroid          SPK-ID: 2017393
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04561334783990795 4.2629e-08  
a 3.13720921314936 2.3692e-08 au
q 2.994110598063415 1.3665e-07 au
i 6.293324528057322 5.5625e-06 deg
node 182.8791091170465 3.702e-05 deg
peri 316.9240096374946 6.6828e-05 deg
M 349.1066874716928 5.5868e-05 deg
tp 2458661.914527147922
(2019-Jun-27.41452715)		 0.00031512 TDB
period 2029.614932629457
5.56		 2.2991e-05
6.295e-08		 d
yr
n .1773735471750811 2.0093e-09 deg/d
Q 3.280307828235306 2.4772e-08 au
   Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      14768 days (40.43 yr)  
   first obs. used      1978-10-03  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:19:08  

Additional Information
 Earth MOID = 2.01054 au 
 Jupiter MOID = 1.72116 au 
 T_jup = 3.201 
[ 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 14.3   n/a MPO467892  
diameter diameter 7.446 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17393 (1981 EA41)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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