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78811 (2003 PD)
Classification: Main-belt Asteroid          SPK-ID: 2078811
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448901257058075 4.5342e-08  
a 3.116481480941787 2.4404e-08 au
q 2.664934087408311 1.3336e-07 au
i 4.974907434932493 6.0005e-06 deg
node 190.9929972184906 4.4743e-05 deg
peri 119.2326374944154 4.8661e-05 deg
M 36.26609049395726 1.9954e-05 deg
tp 2458798.061321880648
(2019-Nov-10.56132188)
0.00011048 TDB
period 2009.533509963251
5.50
2.3604e-05
6.462e-08
d
yr
n .1791460546515511 2.1043e-09 deg/d
Q 3.568028874475264 2.794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1994-01-08  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:26  

Additional Information
 Earth MOID = 1.65525 au 
 Jupiter MOID = 1.73231 au 
 T_jup = 3.195 
[ 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 15.3   n/a MPO439583  
diameter diameter 3.947 km 0.679 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78811 (2003 PD)          Discovered 2003-Aug-01 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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