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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229766300972142 4.3586e-08  
a 2.285569500436773 1.0689e-08 au
q 2.004497865420086 9.7491e-08 au
i 1.711417411043544 4.2271e-06 deg
node 249.4398674798725 0.00016105 deg
peri 345.0015064500448 0.00016214 deg
M 88.14184248390089 1.9575e-05 deg
tp 2458291.492017383220
(2018-Jun-21.99201738)
6.8198e-05 TDB
period 1262.089271192162
3.46
8.8534e-06
2.424e-08
d
yr
n .2852413123359698 2.0009e-09 deg/d
Q 2.566641135453461 1.2003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      11843 days (32.42 yr)  
   first obs. used      1987-05-30  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54795  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:27:49  

Additional Information
 Earth MOID = .9931 au 
 Jupiter MOID = 2.42764 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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