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437410 (2013 WE91)
Classification: Main-belt Asteroid          SPK-ID: 2437410
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151762069254749 6.7304e-08  
a 2.385510875676914 2.8131e-08 au
q 2.110756781436979 1.6332e-07 au
i 8.834350785992132 8.8131e-06 deg
node 59.38214897493096 4.5049e-05 deg
peri 56.53767954225224 5.7587e-05 deg
M 237.193280180278 3.6266e-05 deg
tp 2459459.581887838623
(2021-Sep-02.08188784)
0.00013689 TDB
period 1345.76902521716
3.68
2.3805e-05
6.517e-08
d
yr
n .2675050422875563 4.7318e-09 deg/d
Q 2.660264969916849 3.1371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6549 days (17.93 yr)  
   first obs. used      2000-05-04  
   last obs. used      2018-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:19  

Additional Information
 Earth MOID = 1.14155 au 
 Jupiter MOID = 2.46193 au 
 T_jup = 3.510 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO437696  

437410 (2013 WE91)          Discovered 2007-Feb-09 by CSS at Catalina
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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