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394006 (2005 VK4)
Classification: Main-belt Asteroid          SPK-ID: 2394006
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262962011766206 1.0895e-07  
a 3.104772331293408 5.2286e-08 au
q 2.28833515298044 3.2202e-07 au
i 17.2817857318111 8.0741e-06 deg
node 267.1859308292366 3.1613e-05 deg
peri 76.91508817005847 3.6591e-05 deg
M 276.1069881892382 2.8288e-05 deg
tp 2459466.157231090432
(2021-Sep-08.65723109)
0.00016715 TDB
period 1998.218916859189
5.47
5.0476e-05
1.382e-07
d
yr
n .1801604403614844 4.551e-09 deg/d
Q 3.921209509606375 6.6035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7234 days (19.81 yr)  
   first obs. used      1999-07-12  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:56:29  

Additional Information
 Earth MOID = 1.35228 au 
 Jupiter MOID = 1.85066 au 
 T_jup = 3.099 
[ 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 15.0   n/a MPO190467  
diameter diameter 3.938 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

394006 (2005 VK4)          Discovered 2005-Nov-06 by Lowe, A. at Mayhill
Reference: Last Updated: 2014-05-15

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