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325744 (2009 WE1)
Classification: Main-belt Asteroid          SPK-ID: 2325744
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271855403297479 5.9532e-08  
a 3.057831241949344 2.9013e-08 au
q 2.668919323204833 1.8932e-07 au
i 12.37349572657159 5.6456e-06 deg
node 83.40269009267452 3.067e-05 deg
peri 268.2763911533491 3.7964e-05 deg
M 45.75260197217813 2.1726e-05 deg
tp 2458752.282730395056
(2019-Sep-25.78273039)
0.00011804 TDB
period 1953.073993739588
5.35
2.7797e-05
7.61e-08
d
yr
n .1843248136803569 2.6234e-09 deg/d
Q 3.446743160693856 3.2703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:34:35  

Additional Information
 Earth MOID = 1.7 au 
 Jupiter MOID = 2.05611 au 
 T_jup = 3.187 
[ 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 15.7   n/a MPO450275  

325744 (2009 WE1)          Discovered 2009-Nov-17 by Lowe, A. at Mayhill
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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