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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149135681571346 5.8327e-08  
a 2.647197682162515 1.8858e-08 au
q 1.813559214455421 1.5751e-07 au
i 6.376864497072572 7.5491e-06 deg
node 61.47544731173603 5.7235e-05 deg
peri 294.9570393237423 9.626e-05 deg
M 39.68650134239499 4.2402e-05 deg
tp 2458427.072365186806
(2018-Nov-04.57236519)
0.0001859 TDB
period 1573.178446598291
4.31
1.6811e-05
4.603e-08
d
yr
n .2288360870811787 2.4453e-09 deg/d
Q 3.480836149869609 2.4797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      6230 days (17.06 yr)  
   first obs. used      2001-08-26  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57271  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:10:25  

Additional Information
 Earth MOID = .820143 au 
 Jupiter MOID = 1.99622 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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