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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1235287314214856 3.7299e-08  
a 2.576919823822143 1.1374e-08 au
q 2.258596187010515 9.8377e-08 au
i 12.90210301496943 3.873e-06 deg
node 277.9004443318898 2.6837e-05 deg
peri 164.2773163632148 3.8255e-05 deg
M 352.3735622057178 2.6575e-05 deg
tp 2458632.508772374993
(2019-May-29.00877238)
0.00011157 TDB
period 1510.94893393569
4.14
1.0003e-05
2.739e-08
d
yr
n .2382608650196265 1.5774e-09 deg/d
Q 2.89524346063377 1.2779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1765  
   data-arc span      13360 days (36.58 yr)  
   first obs. used      1983-05-10  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:05  

Additional Information
 Earth MOID = 1.27728 au 
 Jupiter MOID = 2.32127 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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