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213951 (2003 WK167)
Classification: Main-belt Asteroid          SPK-ID: 2213951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08040134648946007 3.3087e-08  
a 2.389247497441147 1.4793e-08 au
q 2.197148781550306 7.8941e-08 au
i 7.599586367951074 3.6315e-06 deg
node 135.5175020674112 3.2444e-05 deg
peri 322.3047655673342 4.6691e-05 deg
M 180.276833699685 3.6248e-05 deg
tp 2459873.928817747398
(2022-Oct-21.42881775)
0.00013977 TDB
period 1348.932246074269
3.69
1.2528e-05
3.43e-08
d
yr
n .2668777479726577 2.4786e-09 deg/d
Q 2.581346213331988 1.5983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      7073 days (19.36 yr)  
   first obs. used      2001-01-31  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57662  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:46  

Additional Information
 Earth MOID = 1.21902 au 
 Jupiter MOID = 2.51712 au 
 T_jup = 3.517 
[ 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 16.46   n/a E2021B55  

213951 (2003 WK167)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 WK167 = 2001 DO26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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