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17390 (1981 EZ37)
Classification: Main-belt Asteroid          SPK-ID: 2017390
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05635805998049401 4.8684e-08  
a 3.122283099067857 2.3649e-08 au
q 2.946317280894507 1.5184e-07 au
i 7.337814013239419 5.4863e-06 deg
node 190.0693193978994 3.7682e-05 deg
peri 212.4780586325996 5.7181e-05 deg
M 96.58303410012213 4.3124e-05 deg
tp 2458059.863717921003
(2017-Nov-02.36371792)
0.00024064 TDB
period 2015.147519042301
5.52
2.2895e-05
6.268e-08
d
yr
n .1786469708039489 2.0297e-09 deg/d
Q 3.298248917241206 2.4982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      14800 days (40.52 yr)  
   first obs. used      1978-10-03  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:19:03  

Additional Information
 Earth MOID = 1.95616 au 
 Jupiter MOID = 1.97995 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 7.860 km 0.411 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17390 (1981 EZ37)          Discovered 1981-Mar-01 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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