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90285 (2003 EV9)
Classification: Main-belt Asteroid          SPK-ID: 2090285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145517708178489 3.8566e-08  
a 3.158925463831761 2.452e-08 au
q 2.797064958068238 1.2631e-07 au
i 11.81059625709188 5.241e-06 deg
node 184.8916730557535 2.081e-05 deg
peri 118.3027977560731 3.1297e-05 deg
M 259.39401441325 2.4954e-05 deg
tp 2459573.597896052009
(2021-Dec-25.09789605)
0.00014508 TDB
period 2050.725325888516
5.61
2.3877e-05
6.537e-08
d
yr
n .1755476442677779 2.044e-09 deg/d
Q 3.520785969595284 2.7329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:30:17  

Additional Information
 Earth MOID = 1.80688 au 
 Jupiter MOID = 1.84609 au 
 T_jup = 3.162 
[ 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 14.5   n/a MPO436404  
diameter diameter 6.318 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90285 (2003 EV9)          Discovered 2003-Mar-06 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 EV9 = 1999 NO59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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