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(2016 VR4)
Classification: Apollo [NEO]          SPK-ID: 3763597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2457703.5 (2016-Nov-11.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6131517248985076 0.00090906  
a 2.448478055297053 0.0056243 au
q .9471895123155215 5.146e-05 au
i 6.178939616877801 0.0064388 deg
node 47.56073646833807 0.00013152 deg
peri 330.4709424428713 0.0050522 deg
M 6.088260267136592 0.022089 deg
tp 2457679.833531372251
(2016-Oct-18.33353137)
0.0048297 TDB
period 1399.402839589297
3.83
4.8217
0.0132
d
yr
n .2572525864715655 0.00088638 deg/d
Q 3.949766598278584 0.0090728 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      1 day  
   first obs. used      2016-11-10  
   last obs. used      2016-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .51845  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:22:15  

Additional Information
 Earth MOID = .00278067 au 
 Jupiter MOID = 1.51257 au 
 T_jup = 3.203 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.9   n/a MPO389570  

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