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(2018 RW)
Classification: Aten [NEO]          SPK-ID: 3827168
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2423151071577448 6.9346e-05  
a .8938285279107935 3.5634e-05 au
q .6772403723894402 8.8701e-05 au
i .6992725768697694 0.00019254 deg
node 167.4240426699642 0.0013219 deg
peri 310.5814671523206 0.004366 deg
M 265.9274124647566 0.044096 deg
tp 2459081.156678496240
(2020-Aug-19.65667850)
0.042624 TDB
period 308.6595683122707
0.85
0.018458
5.054e-05
d
yr
n 1.166333517436233 6.9748e-05 deg/d
Q 1.110416683432147 4.4269e-05 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      1 day  
   first obs. used      2018-09-07  
   last obs. used      2018-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40791  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-09 07:02:08  

Additional Information
 Earth MOID = .00045516 au 
 Jupiter MOID = 3.94873 au 
 T_jup = 6.626 
[ 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 30.6   .71816 MPO452091 autocmod 2.6n

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