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351616 (2005 WQ98)
Classification: Main-belt Asteroid          SPK-ID: 2351616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101735693060004 3.8934e-08  
a 2.285395036552698 1.2125e-08 au
q 1.8050654044462 8.7668e-08 au
i 5.44051159762361 4.6351e-06 deg
node 278.2282787366999 5.8281e-05 deg
peri 125.3325133081676 6.1191e-05 deg
M 95.16217503900774 1.7e-05 deg
tp 2458666.918309195789
(2019-Jul-02.41830920)
5.8784e-05 TDB
period 1261.944765767389
3.46
1.0043e-05
2.75e-08
d
yr
n .2852739753479494 2.2703e-09 deg/d
Q 2.765724668659195 1.4674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      10295 days (28.19 yr)  
   first obs. used      1991-11-28  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:55:53  

Additional Information
 Earth MOID = .820849 au 
 Jupiter MOID = 2.64768 au 
 T_jup = 3.567 
[ 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 17.3   n/a MPO494832  

351616 (2005 WQ98)          Discovered 2005-Nov-28 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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