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413120 (2001 WB44)
Classification: Main-belt Asteroid          SPK-ID: 2413120
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3151688548067585 5.7126e-08  
a 2.6470205509076 1.8134e-08 au
q 1.812762115228097 1.5507e-07 au
i 6.376314342106808 7.4508e-06 deg
node 61.46735485125456 5.713e-05 deg
peri 294.9493850950416 8.1538e-05 deg
M 131.2135874976558 3.2104e-05 deg
tp 2458427.162028703204
(2018-Nov-04.66202870)
0.00014136 TDB
period 1573.020550714948
4.31
1.6164e-05
4.425e-08
d
yr
n .2288590570774028 2.3517e-09 deg/d
Q 3.481278986587104 2.3849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 06:58:28  

Additional Information
 Earth MOID = .820207 au 
 Jupiter MOID = 1.99932 au 
 T_jup = 3.311 
[ 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 MPO455941  

413120 (2001 WB44)          Discovered 2001-Nov-18 by LINEAR at Socorro
Reference: Last Updated: 2014-11-10

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