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49367 (1998 WK19)
Classification: Main-belt Asteroid          SPK-ID: 2049367
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234530393391729 3.1583e-08  
a 2.57629076408068 1.0048e-08 au
q 2.25823983903348 8.0974e-08 au
i 12.90237650633125 3.4269e-06 deg
node 277.9006975264006 2.4483e-05 deg
peri 164.1457406996913 3.6314e-05 deg
M 87.81194909615056 2.578e-05 deg
tp 2458632.081136969092
(2019-May-28.58113697)
0.00010795 TDB
period 1510.395704187156
4.14
8.8363e-06
2.419e-08
d
yr
n .2383481355263387 1.3944e-09 deg/d
Q 2.894341689127879 1.1289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2124  
   data-arc span      13582 days (37.19 yr)  
   first obs. used      1983-05-10  
   last obs. used      2020-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:01  

Additional Information
 Earth MOID = 1.27698 au 
 Jupiter MOID = 2.32182 au 
 T_jup = 3.381 
[ 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 13.0   n/a MPO459188  
diameter diameter 5.522 km 0.498 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.439   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

49367 (1998 WK19)          Discovered 1998-Nov-23 by LINEAR at Socorro
Reference: 20021120/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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