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437379 (2013 WR18)
Classification: Main-belt Asteroid          SPK-ID: 2437379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09084479021895631 6.6987e-08  
a 2.269695563663242 3.5473e-08 au
q 2.063505546321359 1.7072e-07 au
i 8.800283043395829 6.9224e-06 deg
node 104.540584366588 5.1207e-05 deg
peri 309.9613715635749 7.7533e-05 deg
M 339.6142188700461 6.5027e-05 deg
tp 2459071.225283407177
(2020-Aug-09.72528341)
0.00022676 TDB
period 1248.963768632461
3.42
2.928e-05
8.016e-08
d
yr
n .2882389457895788 6.7573e-09 deg/d
Q 2.475885581005125 3.8695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5643 days (15.45 yr)  
   first obs. used      2004-01-22  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:33  

Additional Information
 Earth MOID = 1.08795 au 
 Jupiter MOID = 2.77981 au 
 T_jup = 3.592 
[ 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 17.5   n/a MPO437696  

437379 (2013 WR18)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 WR18 = 2004 BN65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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