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(2019 WB7)
Classification: Aten [NEO]          SPK-ID: 3939968
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 .2936252888997183 0.00070086  
a .8019530790055419 0.00030421 au
q .566479374498521 0.00077695 au
i 1.615082172194659 0.0062612 deg
node 261.4890013778348 0.014042 deg
peri 339.3450462332164 0.0086077 deg
M 90.37120301881829 0.17841 deg
tp 2458934.650962939708
(2020-Mar-26.15096294)
0.092532 TDB
period 262.3142389370295
0.72
0.14926
0.0004087
d
yr
n 1.372399765482882 0.00078091 deg/d
Q 1.037426783512563 0.00039354 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      23 days  
   first obs. used      2019-11-28  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:07:01  

Additional Information
 Earth MOID = .00431611 au 
 Jupiter MOID = 3.96471 au 
 T_jup = 7.239 
[ 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 24.4   .16661 E2019Y43 autocmod 2.8

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