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226725 (2004 PP64)
Classification: Main-belt Asteroid          SPK-ID: 2226725
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428515265302606 6.2225e-08  
a 2.768790969215328 2.5905e-08 au
q 2.373264952619718 1.677e-07 au
i 6.514330817213978 6.0653e-06 deg
node 11.00519068692025 5.4245e-05 deg
peri 337.6025421748939 5.7408e-05 deg
M 141.4433369429559 1.9903e-05 deg
tp 2458339.329185742917
(2018-Aug-08.82918574)
9.1048e-05 TDB
period 1682.8045652553
4.61
2.3617e-05
6.466e-08
d
yr
n .2139285853110245 3.0023e-09 deg/d
Q 3.164316985810937 2.9605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7014 days (19.20 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:51  

Additional Information
 Earth MOID = 1.36875 au 
 Jupiter MOID = 2.26259 au 
 T_jup = 3.314 
[ 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 16.0   n/a MPO454628  
diameter diameter 3.971 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226725 (2004 PP64)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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