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344546 (2002 VK78)
Classification: Main-belt Asteroid          SPK-ID: 2344546
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 .1794708625124493 5.5057e-08  
a 2.920765501515907 3.5212e-08 au
q 2.396573197762241 1.6869e-07 au
i 24.81546162619944 8.1015e-06 deg
node 62.74125908020171 1.1625e-05 deg
peri 277.9107087414922 2.6701e-05 deg
M 240.6721950088971 2.6965e-05 deg
tp 2459604.841771841957
(2022-Jan-25.34177184)
0.00014097 TDB
period 1823.238413539291
4.99
3.2971e-05
9.027e-08
d
yr
n .1974508639828205 3.5706e-09 deg/d
Q 3.444957805269574 4.1532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      6410 days (17.55 yr)  
   first obs. used      2002-11-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:27  

Additional Information
 Earth MOID = 1.5334 au 
 Jupiter MOID = 2.2386 au 
 T_jup = 3.119 
[ 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 MPO339099  
diameter diameter 3.835 km 0.761 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344546 (2002 VK78)          Discovered 2002-Nov-07 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2002 VK78 = 2007 VP224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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