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120204 (2004 EY13)
Classification: Main-belt Asteroid          SPK-ID: 2120204
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976021837875491 4.0603e-08  
a 3.095998138711904 2.7408e-08 au
q 2.484222145500245 1.2849e-07 au
i 11.81854357365952 7.0191e-06 deg
node 156.6687770951731 2.5622e-05 deg
peri 109.3186786389245 3.2413e-05 deg
M 284.2788104670996 2.0074e-05 deg
tp 2459419.018240012298
(2021-Jul-23.51824001)		 0.00011321 TDB
period 1989.754351903882
5.45		 2.6422e-05
7.234e-08		 d
yr
n .1809268564511678 2.4026e-09 deg/d
Q 3.707774131923563 3.2824e-08 au
   Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7575 days (20.74 yr)  
   first obs. used      1999-05-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:16:34  

Additional Information
 Earth MOID = 1.49942 au 
 Jupiter MOID = 1.62035 au 
 T_jup = 3.161 
[ 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 15.0   n/a MPO436580  
diameter diameter 5.146 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

120204 (2004 EY13)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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