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JPL Small-Body Database Browser
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56028 (1998 WA14)
Classification: Main-belt Asteroid          SPK-ID: 2056028
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978827172394016 3.5439e-08  
a 2.343093137795659 8.3717e-09 au
q 1.879435500943659 8.4697e-08 au
i .4338370765762444 3.9104e-06 deg
node 17.59811373095824 0.00051966 deg
peri 95.2117329906559 0.00051976 deg
M 211.0565102265305 1.1496e-05 deg
tp 2459142.503111232997
(2020-Oct-20.00311123)
4.3379e-05 TDB
period 1310.034566402612
3.59
7.021e-06
1.922e-08
d
yr
n .2748019092263871 1.4728e-09 deg/d
Q 2.80675077464766 1.0028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:11:12  

Additional Information
 Earth MOID = .896306 au 
 Jupiter MOID = 2.30449 au 
 T_jup = 3.536 
[ 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 15.7   n/a MPO417209  
diameter diameter 1.569 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.343   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56028 (1998 WA14)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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