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226623 (2004 EY7)
Classification: Main-belt Asteroid          SPK-ID: 2226623
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227094632010081 4.2597e-08  
a 2.286087849181087 1.0454e-08 au
q 2.005563236377729 9.5509e-08 au
i 1.71134704201612 4.1779e-06 deg
node 249.4413248044984 0.00015615 deg
peri 345.0498320302031 0.00015721 deg
M 202.1743594585024 1.956e-05 deg
tp 2459553.993926485319
(2021-Dec-05.49392649)
6.9782e-05 TDB
period 1262.518643048519
3.46
8.6604e-06
2.371e-08
d
yr
n .2851443041908135 1.956e-09 deg/d
Q 2.566612461984446 1.1737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      12176 days (33.34 yr)  
   first obs. used      1987-05-30  
   last obs. used      2020-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:31:38  

Additional Information
 Earth MOID = .994203 au 
 Jupiter MOID = 2.42718 au 
 T_jup = 3.591 
[ 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 16.9   n/a MPO437074  
diameter diameter 2.388 km 0.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226623 (2004 EY7)          Discovered 2004-Mar-13 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 EY7 = 1987 KH3 = 1995 WS10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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