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78345 (2002 PW93)
Classification: Main-belt Asteroid          SPK-ID: 2078345
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06187286903387766 3.8521e-08  
a 3.172914368452255 2.65e-08 au
q 2.9765970532773 1.1997e-07 au
i 15.9618473678908 4.2753e-06 deg
node 121.6775425851123 1.7763e-05 deg
peri 175.6483825767353 4.8585e-05 deg
M 85.12275133777835 4.3308e-05 deg
tp 2458512.377186736222
(2019-Jan-28.87718674)
0.00024925 TDB
period 2064.362464949743
5.65
2.5862e-05
7.081e-08
d
yr
n .1743879798787003 2.1847e-09 deg/d
Q 3.36923168362721 2.8139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      2000-02-03  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:13  

Additional Information
 Earth MOID = 1.96109 au 
 Jupiter MOID = 1.87169 au 
 T_jup = 3.139 
[ 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 14.2   n/a MPO449493  
diameter diameter 8.080 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78345 (2002 PW93)          Discovered 2002-Aug-11 by NEAT at Haleakala
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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