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469747 (2005 PE4)
Classification: Main-belt Asteroid          SPK-ID: 2469747
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3487971106235719 1.0763e-07  
a 3.152993974966703 4.59e-08 au
q 2.053238786684786 3.5194e-07 au
i 26.1203199457541 1.6871e-05 deg
node 97.13863958624779 2.4629e-05 deg
peri 259.4455373773712 3.8058e-05 deg
M 222.1269662289614 2.5709e-05 deg
tp 2459783.677080301182
(2022-Jul-23.17708030)
0.00015879 TDB
period 2044.95209249287
5.60
4.4654e-05
1.223e-07
d
yr
n .1760432439085392 3.8441e-09 deg/d
Q 4.25274916324862 6.1909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-07-05  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4792  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:31:17  

Additional Information
 Earth MOID = 1.21322 au 
 Jupiter MOID = 1.94234 au 
 T_jup = 2.960 
[ 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 15.5   n/a MPO472614  
diameter diameter 5.362 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469747 (2005 PE4)          Discovered 2005-Aug-06 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2016-08-22

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