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JPL Small-Body Database Browser
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(2019 WR3)
Classification: Apollo [NEO]          SPK-ID: 3893629
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2369867419957754 0.0003417  
a 1.331582664667148 0.00064645 au
q 1.016015227269627 3.8247e-05 au
i 12.64136791081971 0.013677 deg
node 253.8577542127476 0.00065779 deg
peri 192.2776440723659 0.0037774 deg
M 209.6065643644404 0.1124 deg
tp 2458834.964451215050
(2019-Dec-17.46445122)
0.0045133 TDB
period 561.2425973295639
1.54
0.40871
0.001119
d
yr
n .6414338500194179 0.0004671 deg/d
Q 1.647150102064669 0.00079965 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      10 days  
   first obs. used      2019-11-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-07 05:37:46  

Additional Information
 Earth MOID = .0349986 au 
 Jupiter MOID = 3.57193 au 
 T_jup = 4.867 
[ 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 22.828   .64953 9 autocmod 2.8

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