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437214 (2012 WE17)
Classification: Main-belt Asteroid          SPK-ID: 2437214
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189458871325148 6.8888e-08  
a 2.550606643303433 3.6415e-08 au
q 2.06737158746874 1.8211e-07 au
i 11.0812366366074 1.0595e-05 deg
node 53.33648549469959 2.6373e-05 deg
peri 308.212593285409 3.8452e-05 deg
M 346.5747218027968 2.9723e-05 deg
tp 2459055.986131875561
(2020-Jul-25.48613188)
0.00012335 TDB
period 1487.865441727929
4.07
3.1863e-05
8.724e-08
d
yr
n .2419573638204237 5.1816e-09 deg/d
Q 3.033841699138126 4.3314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      3877 days (10.61 yr)  
   first obs. used      2008-11-18  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:09:06  

Additional Information
 Earth MOID = 1.08659 au 
 Jupiter MOID = 2.47689 au 
 T_jup = 3.389 
[ 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 17.0   n/a MPO477050  

437214 (2012 WE17)          Discovered 2008-Nov-18 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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