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344766 (2003 WE87)
Classification: Main-belt Asteroid          SPK-ID: 2344766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733992668362089 4.2458e-08  
a 2.722734223887612 2.3438e-08 au
q 1.978340683286885 1.1929e-07 au
i 13.26079306428149 5.9132e-06 deg
node 1.024211350151704 2.5081e-05 deg
peri 58.2326167705479 3.0753e-05 deg
M 258.2516997322188 1.9085e-05 deg
tp 2459464.300235205900
(2021-Sep-06.80023521)
9.1774e-05 TDB
period 1640.99138987774
4.49
2.1189e-05
5.801e-08
d
yr
n .2193795788452134 2.8327e-09 deg/d
Q 3.46712776448834 2.9846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6141 days (16.81 yr)  
   first obs. used      2003-11-21  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:45  

Additional Information
 Earth MOID = 1.02378 au 
 Jupiter MOID = 2.11595 au 
 T_jup = 3.266 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO476592  

344766 (2003 WE87)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 WE87 = 2007 RM246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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