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35474 (1998 EA9)
Classification: Main-belt Asteroid          SPK-ID: 2035474
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241191638719763 4.8774e-08  
a 2.563029849613585 1.1362e-08 au
q 1.944848480097616 1.2518e-07 au
i 9.08795424875079 6.1112e-06 deg
node 111.2735995838973 2.2392e-05 deg
peri 159.6867548889831 2.5688e-05 deg
M 354.6437385651774 9.8859e-06 deg
tp 2458622.799143826872
(2019-May-19.29914383)
4.1124e-05 TDB
period 1498.749057595174
4.10
9.9658e-06
2.728e-08
d
yr
n .2402003178421609 1.5972e-09 deg/d
Q 3.181211219129553 1.4102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      9768 days (26.74 yr)  
   first obs. used      1992-12-17  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:45  

Additional Information
 Earth MOID = .930877 au 
 Jupiter MOID = 1.95612 au 
 T_jup = 3.375 
[ 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 14.4   n/a MPO436013  
diameter diameter 3.380 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35474 (1998 EA9)          Discovered 1998-Mar-09 by Pauwels, T. at Uccle
Reference: 20020227/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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