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(2016 WR8)
Classification: Apollo [NEO]          SPK-ID: 3764838
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09341919766777343 0.00022272  
a 1.092258489190199 0.00030196 au
q .9902205774842365 3.0556e-05 au
i 22.00911027573094 0.022197 deg
node 244.5678590226939 0.00016089 deg
peri 212.5071934998583 0.054487 deg
M 359.309350491502 0.40085 deg
tp 2459001.299911197691
(2020-May-31.79991120)
0.4646 TDB
period 416.9524883829383
1.14
0.1729
0.0004734
d
yr
n .8634077263723345 0.00035804 deg/d
Q 1.194296400896162 0.00033017 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      3 days  
   first obs. used      2016-11-26  
   last obs. used      2016-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-17 06:11:41  

Additional Information
 Earth MOID = .0172127 au 
 Jupiter MOID = 3.95154 au 
 T_jup = 5.610 
[ 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 27.4   n/a MPO477878  

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