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JPL Small-Body Database Browser
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487561 (2014 WM143)
Classification: Main-belt Asteroid          SPK-ID: 2487561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624379659979825 1.1671e-07  
a 3.087206800675952 7.8517e-08 au
q 2.585727207359012 3.4032e-07 au
i 18.87980473358754 8.2183e-06 deg
node 65.5732045612706 2.3104e-05 deg
peri 178.0884959277108 3.23e-05 deg
M 112.8831123660664 2.4754e-05 deg
tp 2457979.239868051502
(2017-Aug-13.73986805)
0.0001373 TDB
period 1981.285267686254
5.42
7.5586e-05
2.069e-07
d
yr
n .1817002356356327 6.9318e-09 deg/d
Q 3.588686393992893 9.1272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5041 days (13.80 yr)  
   first obs. used      2006-01-06  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:47:03  

Additional Information
 Earth MOID = 1.57254 au 
 Jupiter MOID = 1.44287 au 
 T_jup = 3.124 
[ 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 15.7   n/a MPO413572  

487561 (2014 WM143)          Discovered 2011-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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