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187414 (2005 VA78)
Classification: Main-belt Asteroid          SPK-ID: 2187414
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959900224904864 6.3834e-08  
a 2.574222047223121 2.1428e-08 au
q 2.069700210292356 1.7305e-07 au
i 8.555823971251476 6.9091e-06 deg
node 344.0497579041754 2.8458e-05 deg
peri 331.8245690252562 3.2529e-05 deg
M 309.2458933746719 1.5328e-05 deg
tp 2459413.184637890329
(2021-Jul-17.68463789)		 6.4017e-05 TDB
period 1508.576837057538
4.13		 1.8836e-05
5.157e-08		 d
yr
n .2386355080873282 2.9797e-09 deg/d
Q 3.078743884153887 2.5628e-08 au
   Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      16464 days (45.08 yr)  
   first obs. used      1975-04-20  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:20  

Additional Information
 Earth MOID = 1.0591 au 
 Jupiter MOID = 2.25168 au 
 T_jup = 3.385 
[ 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 15.65   n/a E2021B55  
diameter diameter 2.904 km 0.411 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.174   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187414 (2005 VA78)          Discovered 2005-Nov-06 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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