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(2017 RW2)
Classification: Apollo [NEO]          SPK-ID: 3781411
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 2458014.5 (2017-Sep-18.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6366354153100326 0.0014994  
a 2.490540533076513 0.0099464 au
q .9049742264548772 0.00012011 au
i .990535438171022 0.001975 deg
node 338.2133223062919 0.0035107 deg
peri 70.74522234871583 0.002421 deg
M 349.8249211027642 0.065962 deg
tp 2458055.076457895212
(2017-Oct-28.57645790)
0.019972 TDB
period 1435.617845306795
3.93
8.6001
0.02355
d
yr
n .2507631130226492 0.0015022 deg/d
Q 4.076106839698149 0.016279 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      9 days  
   first obs. used      2017-09-15  
   last obs. used      2017-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .49978  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 06:21:57  

Additional Information
 Earth MOID = .00854922 au 
 Jupiter MOID = 1.33814 au 
 T_jup = 3.156 
[ 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 25.3   n/a MPO435135  

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