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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148140363727359 3.7206e-08  
a 3.15871692795804 2.0624e-08 au
q 2.796051887700289 1.2449e-07 au
i 11.8115192036856 4.5371e-06 deg
node 184.8916746112698 2.0353e-05 deg
peri 118.4041018924525 2.8741e-05 deg
M 328.8467141890487 2.0439e-05 deg
tp 2459573.945850237914
(2021-Dec-25.44585024)
0.00011679 TDB
period 2050.522261866615
5.61
2.0082e-05
5.498e-08
d
yr
n .1755650288196763 1.7194e-09 deg/d
Q 3.521381968215791 2.2992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:43  

Additional Information
 Earth MOID = 1.80528 au 
 Jupiter MOID = 1.84456 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 14.52   n/a MPO637229  
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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